Patent application number | Description | Published |
20080212293 | FIXING DEVICE FOR SECURING CIRCUIT BOARD TO PLATE MEMBER - A fixing device for securing a circuit board to a plate member includes a spacer, a nut member, and a fastener. A coupling hole is defined through the spacer. A female thread is formed on a part of an interior surface of the coupling hole at an end thereof. A nut member comprises a pressing portion and a coupling portion extending from the pressing portion. A male thread is formed on a part of an exterior surface of the coupling portion at a free end thereof, corresponding to the female thread of the coupling hole of the spacer such that the coupling portion is capable of being movably retained in the coupling hole. A threaded hole is defined in the nut member. A fastener includes a head and a threaded rod extending from the head for being screwed in the threaded hole of the nut member. | 09-04-2008 |
20080225004 | WIRELESS MOUSE - A wireless mouse includes a main body, a cover disposed above the main body, a circuit board mounted in the main body, a power switch disposed on the circuit board configured for controlling power supply from a power source to the circuit board, and a trigger mounted on the cover and movable relative to the cover. When a user depresses the cover, the trigger actuates the power switch to allow the power source providing power to the wireless mouse; when the user releases the cover, the trigger releases the power switch to interrupt power to the wireless mouse. | 09-18-2008 |
20080236295 | AIRFLOW DETECTING APPARATUS - An airflow detecting apparatus for a fan includes an amplifier circuit ( | 10-02-2008 |
20080238331 | ENERGY SAVING POWER SUPPLY CIRCUIT - A power supply circuit includes a power supply input for receiving power from a power supply, a power supply output for supplying power to a load, a voltage reference circuit, and a switch circuit. The voltage reference circuit is connected between the power supply input and the power supply output for regulating voltage of the power supply circuit. The switch circuit is connected to the voltage reference circuit and the power supply output. The voltage reference circuit supplies regulated voltage to the switch circuit. The switch circuit controls current between the power supply input and the power supply output to be changed alternately at a certain frequency, thereby changing power output to the load to save electricity. | 10-02-2008 |
20080286091 | FAN DETECTING APPARATUS - A fan detecting apparatus for detecting operation of at least two fans includes at least two airflow detecting units with two signal transmitting terminals, a judging unit with at least one judging terminal, and at least two identity indicating units electrically coupled to the corresponding at least two airflow detecting units respectively. The airflow detecting units detect airflow of the fans, and output control signals to corresponding identity indicating units when airflow from corresponding fans is no longer detected. Each of the identity indicating units has an identity code corresponding to a fan which is electrically coupled to the airflow detecting unit, and transmits the identity code to the judging terminal of the judging unit when it receives the control signal. The judging unit indicates which of the fans is no longer producing detectable airflow according to the identity codes received at its judging terminal. | 11-20-2008 |
20080294943 | SATA INTERFACE TESTER AND TESTING METHOD - A serial advanced technology attachment (SATA) interface tester includes a memory, a signal converter, at least one SATA interface, and an indicator. The at least one SATA interface is adapted to connect with SATA interfaces of a motherboard, and is electrically connected to the memory via the signal converter. The signal converter receives serial signals from the motherboard via the at least one SATA interface and converts them to parallel signals and then passes the parallel signals to the memory to perform a writing process. The signal converter receives parallel signals from the memory and converts them to serial signals and passes the serial signals to the motherboard via the at least one SATA interface to perform a reading process. The indicator is electrically connected to the memory for indicating testing result of the SATA interfaces of the motherboard. | 11-27-2008 |
20080296974 | SNMP MANAGEMENT CARD CAPABLE OF SUPPLYING POWER TO NETWORK DEVICE ATTACHED THERETO - A simple network management protocol (SNMP) management card includes a processor, a network interface card (NIC) chip, a network port connected to the processor via the NIC chip, a power sourcing equipment (PSE) chip, and a power port connected to the network port via the PSE chip. The network port is configured to be connected to a network device. The PSE chip receives power from the power port and transmits the power to the network device via the network port. | 12-04-2008 |
20080297105 | POLARITY ADJUSTING APPARATUS FOR CHARGING CIRCUIT - A polarity adjusting apparatus for automatically adjusting polarity of a connection between a power supply and a charging circuit includes first˜fourth diodes, first and second input terminals configured for connecting to positive and negative terminals of the power supply, and first and second output terminals configured for respectively connecting to positive and negative input terminals of the charging circuit. The anode and cathode of the first diode are respectively connected to the first input terminal and the first output terminal. The anode and cathode of the second diode are respectively connected to the second input terminal and the first output terminal. The cathode and anode of the third diode are respectively connected to the first input terminal and the second output terminal. The cathode and anode of the fourth diode are respectively connected to the second input terminal and the second output terminal. | 12-04-2008 |
20080301344 | SYSTEM FOR EXPANDABLY CONNECTING ELECTRONIC DEVICES - An exemplary system for expandably connecting electronic devices includes a master device, a first slave device, and a second slave device. The first and second slave device each has a control chip and an address setting module. The control chip includes a bus interface connected to the master device via a common bus. The address setting module has a counter unit. The master device sets a first address for the control chip and the counter unit of the first slave device, the counter unit of the first slave device calculates the first address and sends a calculated address to the control chip and the counter unit of the second slave device as a second address of the second slave device. The first address and the second address are different from each other, thus a plurality of slave devices can connected to the master device via a common bus. | 12-04-2008 |
20080304297 | SWITCHING POWER SUPPLY WITH PROTECTION FUNCTION - A switching power supply with protection function includes a transistor controlled to be on or off by a PWM signal from a PWM controller to convert a DC voltage into a square wave signal, a filter filtering the square wave signal into an output voltage signal, the output voltage signal being fed back to the PWM controller to be compared with a predetermined voltage, and a switch device having an input terminal for receiving the output voltage signal from the filter, an output terminal for connecting to a load, and a control terminal. If the voltage of the output voltage signal from the filter is not equal to the predetermined output voltage, the PWM controller will not output a signal to the control terminal of the switch device and the switch device will be in an off state. The PWM controller adjusts the duty ratio of the PWM signal until the voltage of the output voltage signal from the filter is equal to the predetermined output voltage such that the PWM controller outputs a control signal to turn on the switch device to allow the load receiving the output voltage signal via the switch device. | 12-11-2008 |
20090095067 | AIRFLOW DETECTION APPARATUS - An airflow detection apparatus configured to detect airflow of a fan includes a first transistor, an amplifier, an A/D converter, a microprocessor, an indicating circuit, and a stabilizing circuit configured for supplying a stable current to the first transistor. The base and the collector of the first transistor are connected to a power supply. The emitter of the first transistor is connected to the amplifier and the stabilizing circuit. The amplifier receives a voltage signal from between the base and the emitter of the first transistor. The voltage signal is converted into a digital signal by the A/D converter. The microprocessor processes the digital signal and output an indicating signal to the indicating circuit to indicate airflow status of the fan. | 04-16-2009 |
20090102432 | BATTERY CHARGER - An exemplary battery charger includes an input interface arranged to connect to a DC power source, having a positive terminal and a negative terminal; an output interface arranged to connect to a battery, having a positive terminal and a negative terminal; a switch circuit connected between the positive terminals of the input interface and the output interface, comprising a control terminal; a detecting resistor connected between the negative terminals of the input interface and the output interface; a detecting circuit connected between the negative terminals of the input interface and the output interface to detect a voltage across the detecting resistor and output a digital signal; and a processor receiving the voltage signal to determine whether the battery is fully charged and generate a voltage signal to the control terminal of the switch circuit via an inverting circuit for turning off the switch circuit when the battery is fully charged. | 04-23-2009 |
20090109044 | DETECTING APPARATUS FOR DETECTING OPERATION OF FAN - A detecting apparatus for detecting operation of a fan, includes a first current module disposed at an airflow path of the fan, a second current module insulated from the airflow, and an indicating module for giving an indicating signal, having a LED, and a transistor. The first and second current modules being mirror-images of each other. When the fan does not operate, the first and second current modules operate the same. The transistor of the indicating module is turned off, and the LED to be lit. When the fan operates, current flow of the first and second modules are different from each other producing a voltage greater than zero, the transistor of the indicating module is turned on, and the LED does not light. | 04-30-2009 |
20090121892 | NETWORK STATUS INDICATING CIRCUIT - A network status indicating circuit includes a logic circuit, a switch circuit, and an indicating unit. The logic circuit includes nine input ends, a NOT gate, and two OR gates. The switch circuit includes two input ends and two output ends. The indicating unit includes two LEDs. The logic circuit is connected to the indicating unit to indicate the status of a network IC. | 05-14-2009 |
20090125657 | SERIAL PERIPHERAL INTERFACE CIRCUIT - An exemplary serial peripheral interface circuit includes a host, a plurality of slaves, and a decoder. A data output terminal, a data input terminal, and a serial clock terminal of the host are connected to a data input terminal, a data output terminal, and a serial clock terminal of each slaves respectively. A slave select terminal of the host is connected to a data receive terminal of the decoder. GPIO pins of the hot are connected to corresponding input terminals of the decoder correspondingly. A select terminal of each slave is connected to a corresponding output terminal of the decoder. The address generated by the GPIO pins controls the decoder, so that the select terminal of the host can be connected to a corresponding slave device via the decoder. | 05-14-2009 |
20090150587 | MASTER-SLAVE DEVICE COMMUNICATION CIRCUIT - A master-slave device communication circuit includes a master device, a bus, and a slave device having a bus switch connected to the master device via the bus, and a status detecting circuit. The status detecting circuit includes a power input terminal and a detecting signal output terminal. A power terminal of the master device is connected to the power input terminal of the status detecting circuit. The detecting signal output terminal is connected to the bus switch and a trigger pin of the master device. When the master device supplies power to the slave device via the power terminal thereof, the detecting signal output terminal transmits a control signal to control the bus switch to turn on the bus and trigger the master device to communicate with the slave device after a delay time. | 06-11-2009 |
20090150652 | COMPUTER MONITORING SYSTEM AND MONITORING METHOD - An exemplary computer monitoring system includes a central processing unit (CPU) connected to a computer, a first microprocessor, a second microprocessor, and a select switch connected to a terminal device. The CPU is connected to the select switch via the first microprocessor and the second microprocessor respectively for transmitting data. When one of the first and second microprocessors is halted, the other one of the first and second microprocessors is selected by the select switch under the control of the CPU. The CPU sends a reset signal to the halted microprocessor to reset it. A monitoring method using the computer monitoring system for improving stability and reliability of the computer monitoring system is disclosed. | 06-11-2009 |
20090154117 | ELECTRONIC DEVICE HAVING ELASTIC GROUNDING CLIP - An elastic grounding clip, set between a PCB and a housing of an electronic device, includes two first main pieces, a first connection piece connected between the two first main pieces, a second main piece adjacent one of the first main pieces, and a second connection piece connected between the one of the first main pieces and the second main piece. The two first main pieces and the first connection piece bound a first clamping part configured for clamping the PCB, and the corresponding first main piece, the second connection piece, and the second main piece bound a second clamping part configured for clamping a protruding portion of the housing of the electronic device. | 06-18-2009 |
20090168283 | VOLTAGE CONTROL CIRCUIT - A voltage control circuit includes first, second and third transistors, a relay, and first, second, and third resistors. The emitter of the first transistor is connected to a first power supply, the collector of the first transistor is connected to a first contact of the relay, a second contact of the relay is grounded; the collector of the third transistor is connected to the first power supply via the third resistor, and the emitter of the third transistor is grounded. The first and second resistors are connected in series between the positive electrode of the second power supply; the base of the second transistor is connected to a node between the first and second resistors, the collector of the second transistor is connected to the base of the third transistor, and the emitter of the second transistor is connected to the first power supply. | 07-02-2009 |
20090173164 | AIRFLOW DETECTION APPARATUS - An airflow detection apparatus includes an enclosure defining a through hole therein, a conductive pole received in the through hole of the enclosure, a first conductive board electrically connected to a first end of the conductive pole and an electrode of a power source, and a second conductive board electrically connected to the other electrode of the power source. The first and second conductive boards are respectively attached to a top end and a bottom plate of the enclosure. The second conductive board defines a through hole therein to make an end of the conductive pole to pass therethrough, and a diameter of the through hole of the second conductive board is greater than that of the conductive pole. When the conductive pole is driven by an airflow, it will swing to contact with a side bounding the through hole of the second conductive board. | 07-09-2009 |
20090193165 | COMMUNICATION CIRCUIT OF SERIAL PERIPHERAL INTERFACE DEVICES - A communication circuit of a serial peripheral interface (SPI) device includes a master device and a plurality of slave devices. One of the slave devices includes a plurality of general purpose input/output (GPIO) pins. The chip select terminal of the master device is connected to the control terminal of the slave device having the GPIO pins. The GPIO pins respectively are connected to the control terminals of other slave devices. The slave device having the GPIO pins receives an instruction having an address signal from the master device and compares the addresses are identical, the slave device having the GPIO pins communicates with the master device. Otherwise the slave device transmits the address signal to the control terminals of the other slave devices through the GPIO pins. The other slave devices compare the address signal with their own address. The slave device having the identical address communicates with the master device. | 07-30-2009 |
20090240859 | AUTOMATIC ADDRESS SETTING SYSTEM - An automatic address setting system and method includes a master device, first and second slave devices. Each slave device includes a peripheral interface controller (PIC), a counter, and a pulse generator. When the first slave device is connected to the master device, the pulse generator generates a first pulse signal to the master device and the corresponding counter. The counter sends an address signal to the corresponding PIC as an identification address of the PIC. When the second slave device is subsequently connected to the master device, the pulse generator generates a second pulse signal to the master device, and the counters of the first and second slave devices. The counter sends an address signal to the corresponding PIC as an identification address of the PIC. The counter of the first slave device changes the identification address of the first slave device. | 09-24-2009 |
20100295501 | SOLAR ENERGY CONTROLLER - A solar energy includes a charging control unit to output a number of charge voltages, a switch control unit, and a comparing unit. The switch control unit receives a break control signal and a charging control signal from the charging control unit to switch the charging control unit to charge the rechargeable battery, and receives a voltage detecting signal from the charging control unit to output a detect voltage corresponding to a charge voltage of the rechargeable battery. The comparing unit receives the detect voltage and correspondingly outputs a selecting signal to the charging control unit. The charging control unit determines the charge voltage of the rechargeable battery according to the selecting signal, and outputs a corresponding charge voltage to charge the rechargeable battery. | 11-25-2010 |
20100302222 | LCD AND DISPLAY PROPERTY ADJUSTING METHOD THEREOF - A liquid crystal display (LCD) includes a graphic processor, a number of sensors, an optical signal collecting unit, a property saving unit, a property comparing unit, and a property setting unit. The optical signal collecting unit receives optical analog signals generated by the number of sensors, and converts the received optical analog signals into optical digital signals. The property saving unit saves a number of predetermined display properties and a number of predetermined optical signal ranges. The property comparing unit receives the optical digital signals and compares the optical digital signals with the plurality of predetermined optical signal ranges, and correspondingly selects corresponding predetermined display properties. The property setting unit receives the selected display properties and outputs the selected display properties to the graphic processor to adjust display properties of the LCD. | 12-02-2010 |
20100325331 | CONTROL SYSTEM AND METHOD FOR DATA STORAGE - A control system for data storage includes an electronic device, and a swap device. The electronic device includes a swap device detection module, first and second swap modules, and a storage device detection module. If the swap device is inserted in the electronic device, the swap device detection module outputs a first interrupt signal, the first swap module transfers data to be written to a first storage device to the swap device instead. If the first storage device is removed and a second storage device is inserted in the electronic device, the storage device detection module sends a second interrupt signal, the second swap module transfers data written and to be written to the swap device to the second storage device instead. | 12-23-2010 |
20100328079 | PROTECTING SYSTEM AND METHOD FOR CAMERA - A protecting system is to protect a camera. When the protecting system detects heat which reaches a predetermined value, the protecting system outputs a first signal. The protecting system further magnifies the first signal to output a second signal. A controlling circuit starts a buzzer when the controlling circuit receives the second signal. | 12-30-2010 |
20100328474 | WIRELESS REMOTE CONTROL SYSTEM AND METHOD FOR CAMERAS - A remote control system is used to control a plurality of cameras. The remote control system includes a frequency identification (RFID) reader and a plurality of RFID tags. Each tag has a unique code and is embedded in a corresponding camera. Each tag stores information of the corresponding camera. The RFID reader reads the information in the tag to control the corresponding camera. | 12-30-2010 |
20110025405 | SWITCHING CIRCUIT - A switching circuit includes a first switching module, a second switching module, a first relay module, a second relay module, and a processing module. The first switching module includes a switch and a first transistor. The base of the first transistor functions as a first reset terminal. The second switching module includes a second transistor. An output terminal of the second relay module functions as a second reset terminal. Two input terminals of the processing module are connected to the first and second reset terminals respectively. The processing module resets a system with a first type or a second type according to voltages of the first and second reset terminals. | 02-03-2011 |
20110029481 | CONTROL SYSTEM AND METHOD FOR DATA STORAGE - A control system for data storage can prevent data loss while a connection between an electronic device and a storage device is disconnected. When the connection between the electronic device and the storage device is disconnected, data is stored in a backup device. When the connection between the electronic device and the storage device is reconnected, data stored in the backup device is transferred to the storage device to prevent data loss during the connection between the electronic device and the storage device was disconnected. | 02-03-2011 |
20110042122 | CABLE BINDING APPARATUS - A cable binding apparatus includes a flexible binding strip defining a column of teeth, a connection element, and a positioning element. The binding strip and the positioning element are both connected to the connection element. The positioning element includes a connection portion defining a through hole and a flexible block portion arranged in the through hole. The binding strip is operable to be bent freely, with a distal end of the binding strip inserted into the through hole of the positioning element. The block portion is operable to engage with one of the column of teeth, to bind cables via the binding strip. | 02-24-2011 |
20110047391 | ELECTRONIC DEVICE AND MOTHERBOARD THEREOF - An electrical device includes a motherboard and a daughter board. The daughter board includes a plurality of signal pins to output signals for denoting a type of the daughter board. The motherboard includes a controller and a voltage adjusting unit. The controller receives the signals from the signal pins of the daughter board to identify the type of the daughter board and outputs control signals according to the signals received from the daughter board. The voltage adjusting unit receives the control signals and adjusts a voltage from a voltage source into a work voltage according the control signal, and outputs the work voltage to the electrical element. | 02-24-2011 |
20110050898 | VIDEO MONITORING SYSTEM AND VIDEO MONITORING METHOD - A video monitoring system and a video monitoring method are provided. The video monitoring system includes at least one video camera, and a computer connected with the at least one video camera via a universal serial bus (USB) line. The at least one video camera obtains video streams, converts the video streams into USB-compatible signals, and transmits the USB-compatible signals to the computer via the USB line. The USB-compatible signals may be displayed on the computer as video images and synchronously played on a speaker of the computer as the audio. | 03-03-2011 |
20110069465 | PRINTED CIRCUIT BOARD ASSEMBLY - A printed circuit board (PCB) assembly includes two function boards which can be separated from each other. The PCB assembly can satisfy electronic devices of different dimensions, by arranging the separated function boards in appropriate available space in the electronic devices. | 03-24-2011 |
20110070473 | BATTERY OF PORTABLE ELECTRONIC DEVICE - A mobile phone battery includes a battery body and a protecting structure. The battery body includes positive and negative electric poles formed on a side wall of the battery body. The protecting structure is movably set on the battery body. The protecting structure includes a protecting piece. The protecting piece is operable to cover or expose one of the electric poles. | 03-24-2011 |
20110072898 | AIRFLOW SPEED DETECTION DEVICE - An airflow speed detection device for measuring an airflow speed includes an airflow speed switch, and a connector. The airflow speed switch includes a detection head, and an elastic piece. The connector is electrically connected to the testing the airflow speed switch to connect an indicator to indicate close and open states of the airflow speed switch. If the airflow speed is not faster than a critical value, the elastic piece contacts the detection head to close the airflow speed switch. If the airflow speed is faster than the critical value, the elastic piece is blown away from the detection head to open the airflow speed switch. | 03-31-2011 |
20110096520 | MOTHERBOARD AND RELAY DEVICE THEREON - A motherboard includes a main body and two relay devices attached on the main body. The main body includes a signal output terminal, a signal input terminal, a first connector module, and a second connector module. Each relay device includes a circuit board, a relay, and a third connector module. The input terminal outputs an input signal to the corresponding relay via the first and the third connector modules in turn. The relay corresponding to the signal input terminal outputs the input signal to the signal output terminal via the third connector module corresponding to the signal input terminal, the first connector module, the second connector module and the third connector module corresponding to the signal output terminal in turn. | 04-28-2011 |
20110099479 | INFORMATION MANAGEMENT SYSTEM AND METHOD - A method for information management using a computer communicates with a plurality of electronic devices through a network. The method establishes a communication with each of the electronic devices, and installs an application sent from one of the electronic devices that is in communication with the computer. The method further scans all of the electronic devices in the network, and obtains information monitored by the electronic devices. Additionally, the method processes the obtained information, and displays the processed information on a screen of the computer through an interface of the application. | 04-28-2011 |
20110102128 | MONITORING SYSTEM AND INPUT/OUTPUT DEVICE THEREOF - A monitoring system includes a controller, a plurality of sensors, a plurality of alarms, and a plurality of input/output devices. Each input/output device is connected between the controller and a sensor or an alarm. Each input/output device includes an input circuit, an output circuit, and a connector. The input circuit and the output circuit are connected between the controller and the connector. The connector is further selectively connected to a sensor or an alarm and a DC power in series. The controller controls a status of the input circuit and the output circuit. When the connector is connected to the alarm, the input circuit does not operate. The controller outputs a motion signal to the alarm via the output circuit. When the connector is connected to the sensor, the output circuit does not operate. The sensor outputs a detection signal to the controller via the input circuit. | 05-05-2011 |
20110102595 | NETWORK AUDIO/VIDEO CAPTURING SYSTEM AND METHOD - A network camera includes a capturing unit, a video converter, an audio converter, a microprocessor, and a signal sending unit. The capturing unit captures an analog video signal and an analog audio signal. The video converter converts the analog video signal to a digital video signal; the audio converter converts the analog audio signal to a digital audio signal. The microprocessor superposes and compresses the digital video signal and the digital audio signal and outputs a first universal serial bus (USB) signal. The signal sending unit converts the first USB signal to a wireless USB signal. | 05-05-2011 |
20110107109 | STORAGE SYSTEM AND METHOD FOR MANAGING DATA SECURITY THEREOF - A method for managing data security of a storage system includes dividing a storage unit of the storage system into a data access block and a key block. An encryption key input is used to set the encryption key, the data access block is encrypted using the set encryption key, and the set encryption key is stored in the key block. The data access block may be decrypted using the decryption key under the condition that the decryption key corresponds to the set encryption key. | 05-05-2011 |
20110107114 | ELECTRONIC DEVICE AND METHOD FOR SECURITY MONITORING THEREOF - A method for security monitoring of an electronic device includes determining whether a storage system of the electronic device is a secured storage system according to a signal of a first switch of the electronic device, determining whether an encryption key of the secured storage system is modifiable according to a detected signal of a second switch of the electronic device. Decrypting the secured storage system using a decryption key if the decryption key is the same as a preset decryption key in the secured storage system. | 05-05-2011 |
20110109466 | POWER SUPPLY SYSTEM - A power supply system can conveniently supply power to a network transmission device and a sensor. When a host sends instructions to obtain environmental readings as pulse signals to a radio frequency (RF) antenna, the RF antenna absorbs electrical energy from the pulse signals to charge an ultra-capacitor. The ultra-capacitor supplies power to the network transmission device and the sensor. | 05-12-2011 |
20110128155 | EYE PROTECTION APPARATUS AND METHOD - An eye protection apparatus includes a distance sensor, a mode selecting unit, a power supply, and a processor. The distance sensor detects a distance between a user and a monitor and sends out a distance signal. The mode selecting unit selects one of alarm modes. The processor compares the distance signal with a predetermined value. The protection apparatus alerts the user in the selected alarm mode when the distance signal is less than the predetermined value. An eye protection method is also provided. | 06-02-2011 |
20110141284 | SYSTEM AND METHOD FOR ADJUSTING IMAGE PARAMETERS OF CAMERAS - A system and method for adjusting image parameters of cameras first determines if there are disqualified cameras whose image parameters need to be adjusted according to an image quality of the captured image of each camera, outputs the captured image of each of qualified cameras whose image parameters do not need to be adjusted, determines if the image parameters of each of the disqualified cameras are adjusted through a network. The image parameters are updated by each of the disqualified cameras itself if the image parameters of the disqualified camera are not adjusted through the network, or the image parameters of each of the disqualified cameras are updated by the computer using a broadcast mode or a non-broadcast mode with user-defined values if the image parameters of the disqualified camera are adjusted through network. | 06-16-2011 |
20110148565 | MONITORING SYSTEM AND INPUT AND OUTPUT DEVICE - A monitoring system includes a controller, a number of sensors, a number of alarms, and a number of input/output devices. Each input/output device is connected between the controller and a sensor or an alarm. Each input/output device includes an input circuit, an output circuit, and a connector to selectively connect to the sensor or the alarm. The input circuit and the output circuit are connected between the controller and the connector. The controller controls status of the input circuit and the output circuit. When the connector is connected to the alarm, the controller controls the alarm to work via the output circuit. When the connector is connected to the sensor, the sensor outputs a detection signal to the controller via the input circuit. | 06-23-2011 |
20110154049 | SYSTEM AND METHOD FOR PERFORMING DATA BACKUP OF DIGITAL VIDEO RECORDER - A system and method for performing data backup of a digital video recorder determines if a second safe mechanism key stored in a secure digital (SD) card is valid when the SD card is detected by the digital video recorder, and changes a data storage path from a first hard disk of the digital video recorder to the SD card if the safe mechanism key stored in the SD card is valid. The system and method further changes the data storage path from the SD card to a second hard disk when the second hard disk is installed, and copies backup data stored in the SD card to the second hard disk. | 06-23-2011 |
20110155717 | TEMPERATURE CONTROL CIRCUIT - A temperature control circuit includes a microprocessor, a protection module, a first temperature detecting module, a second temperature detecting module, and a heating module. The first temperature detecting module includes a first thermistor and a first comparator connected to the first thermistor. The first thermistor is operable to sense a temperature to make the first comparator output a first signal to the microprocessor and the protection module. The protection module is operable to control the microprocessor to work or reset according to the first signal. The second temperature detecting module includes a second thermistor and a second comparator connected to the second thermistor. The second thermistor is operable to sense a temperature to make the second comparator output a second signal to the microprocessor. The heating module includes a heater. The microprocessor controls the heater to work or not to work according to the first and second signals. | 06-30-2011 |
20110157356 | MONITORING SYSTEM - A monitoring system applies to a long distance transmission. A number of data acquisition devices records still images and video as signals and converts the video signals into voltage signals suitable for transmission. A monitoring host connected to the number of data acquisition devices via a network cable for long distance transmission processes the voltage signals to show the video. | 06-30-2011 |
20110160931 | TEMPERATURE CONTROL CIRCUIT - A temperature control circuit includes a microprocessor, a protection module, a temperature detecting module, and a heating module. The temperature detecting module includes a thermistor and a first switch. The thermistor is operable to sense a temperature to turn on or off the first switch for outputting a detection signal to the microprocessor and the protection module. The protection module is operable to control the microprocessor to work or reset according to the detection signal. The heating module includes a heater and a second switch. The microprocessor controls the second switch to turn on or off for making the heater work or stop working according to the detection signal. | 06-30-2011 |
20110160932 | TEMPERATURE CONTROL CIRCUIT - A temperature control circuit includes a microprocessor, a temperature detecting module, and a heating module. The temperature detecting module includes a thermistor and a first switch. The thermistor is operable to sense a temperature to turn on or off the first switch for outputting a detection signal to the microprocessor. The heating module includes a heater and a second switch. The microprocessor controls the second switch to turn on or off for making the heater works or stop working according to the detection signal. | 06-30-2011 |
20110164353 | ELECTRONIC DEVICE WITH FUNCTION EXPANSION CAPABILITIES - An electronic device with function expansion capabilities includes a first connector, a second connector, and an expansion circuit. The first connector matches the second connector. The expansion circuit is connected between the first connector and the second connector. The expansion circuit of one electronic device communicates with the expansion circuit of another electronic device, in response to the first connector of one electronic device engaged with the second connector of another electronic device, so that the two expansion circuits are integrated together. | 07-07-2011 |
20110170000 | CAMERA DEVICE ADAPTING TO DIFFERENT LENS SENSORS - A camera device includes a lens cover defining a lens opening. Two positioning posts extend from the lens cover. The two positioning posts are arranged at two opposite sides of the lens opening, for selectively mounting a first circuit board having a first lens or a second circuit board having a second lens different from the first lens. The first and second circuit boards are operable to be installed on the lens cover at different positions through being mounted on different positions of the two positioning posts. | 07-14-2011 |
20110175446 | MONITORING SYSTEM AND INPUT DEVICE THEREOF - A monitoring system includes a controller, a number of input devices, a number of digital sensors, a number of analog sensors, a number of displays, and a number of alarms. Each input device includes a switching circuit, an input circuit, and a connector. The connector is connected to a digital sensor or an analog sensor. The switching circuit includes an n-channel metal-oxide-semiconductor field effect transistor (MOSFET), a p-channel MOSFET, a first resistor, and a second resistor. The input circuit includes an operational amplifier and a third resistor. | 07-21-2011 |
20110175720 | MONITORING SYSTEM AND INPUT DEVICE THEREOF - A monitoring system includes a controller, a number of input devices, a number of digital sensors, a number of analog sensors, and a number of alarms. Each input device comprises a switching circuit, an input circuit, and a connector. The connector is connected to a digital sensor or connected to an analog sensor and a first power source in series. The controller controls the switching circuit of the input device to receive a digital signal of the digital sensor or an analog signal of the analog sensor and output a corresponding detection signal. The input circuit transmits the detection signal to the controller. The controller controls the corresponding alarm to work according to the detection signal. | 07-21-2011 |
20110175721 | MONITORING SYSTEM AND INPUT DEVICE THEREOF - A monitoring system includes a controller, a number of input devices, a number of first sensors, a number of second sensors, and a number of alarms. Each input device comprises a switching circuit, an input circuit, and a connector. The connector is connected to a first sensor and a voltage source in series or connected to a second sensor and a current source in series. The controller controls the switching circuit of the input device to receive a voltage signal of the first sensor or a current signal of the second sensor and send out a corresponding detection signal. The input circuit transmits the detection signal to the controller. The controller controls the corresponding alarm to work according to the detection signal. | 07-21-2011 |
20110187867 | ACCESS POINT DEVICE AND MONITORING SYSTEM USING THE ACCESS POINT DEVICE - A monitoring system includes at least one network camera distributed in an area to be monitored, an access point device connected with the at least one network camera. The access point device includes ports, micro control units, and a central processing unit. Each micro control unit is connected to one of the ports, and the central processing unit is connected with the micro control units. The central processing unit assigns an IP pool to each micro control unit and receives captured images from the ports. Each micro control unit assigns an IP address from the IP pool to a corresponding network camera, and manages the captured images according to the IP addresses. | 08-04-2011 |
20110187871 | NETWORK CAMERA - A network camera includes a processor, a lens module, and a switch. The switch includes a first port, second port, and a third port. The first port is connected to the processor. The second port is an extension port for connecting to an external device. The third port is connected to a monitoring device, and transmits images captured by the lens module to the monitoring device. | 08-04-2011 |
20110194264 | FASTENER AND ELECTRONIC DEVICE HAVING THE SAME - A fastener includes a cylinder and a draw hook. The cylinder includes a main body, two resilient arms extending from an end of the main body, and a flange extending from a circumference of an opposite end of the main body. A number of protrusions spaced in the axial direction of the main body extends from an inside surface of each of the resilient arms. The draw hook includes a post slidably received in the cylinder, a taper-shaped engaging portion extending from an end of the post and exposed out of distal ends of the resilient arms, and a handle extending from an opposite end of the post. A diameter of the engaging portion gradually grows larger along a direction away from the post. | 08-11-2011 |
20110195594 | RJ-45 CONNECTOR AND ELECTRONIC DEVICE HAVING THE SAME - A Registered Jack-45 (RJ-45) connector includes a main body, and a cable electrically connected to a rear end of the main body. The main body includes a resilient latching piece formed on a top of the main body. Two opposite sides of the main body each define a slot adjacent to the rear end of the main body, with opposite ends of the slot extending through the top and a bottom of the main body, respectively. | 08-11-2011 |
20110197000 | MASTER-SLAVE DEVICE COMMUNICATION CIRCUIT AND ID ADDRESS SETTING METHOD THEREOF - A master-slave communication circuit includes a master device, a number of slave devices, and a bus providing communication channels between the master device and the slave devices. Each slave device includes an identification (ID) address setting unit, a plug-in detecting pin, and a plug-out detecting pin. The identification (ID) address setting unit is connected to the bus to receive an ID address setting signal transferred from the master device, and set an ID address to the corresponding slave device. The master sets the ID addresses of the slave devices according to voltage levels of the plug-in detecting pin and the plug-out detecting pin, to make the ID addresses of the slave devices connected to the bus are different. | 08-11-2011 |
20110197001 | MASTER-SLAVE DEVICE COMMUNICATION SYSTEM - A master-slave communication system includes a master device, a plurality of slave devices, and a bus providing communication channels therebetween. The master device includes a first micro control unit (MCU), a first power supply module, and an address setting module. Each slave device includes a second MCU and a second power supply module connected to the first power supply module through the address setting module. The address setting module detects a current output from the first power supply module, and outputs an ID address setting signal which is directly proportional with the current to the first MCU and the second MCU of a new slave device, the second MCU of the new slave device sets an ID address according to the ID address setting signal, the first MCU records the ID address as the ID address of the new slave device according to the ID address setting signal. | 08-11-2011 |
20110215642 | MONITORING SYSTEM AND INPUT AND OUTPUT DEVICE THEREOF - A monitoring system includes a controller, a number of input and output (I/O) devices, a number of sensors, and a number of electronic devices. Each I/O device comprises an input circuit, an output circuit, and a connector. The connector is connected to a sensor or an electronic device. The controller controls the I/O device to function as an input device or an output device. When the I/O device functions as an input device, the input circuit transmits a voltage signal to the controller. When the I/O device functions as an output device, the output circuit supplies power to the electronic device and the controller detects the voltage of the electronic device via the input circuit. | 09-08-2011 |
20110222027 | PROJECTOR WITH LENS HEIGHT ADJUSTING FUNCTION - A projector includes a projector body, a lens module with a lens, and a gear module. The lens module and the gear module are arranged in the projector body. The gear module is operable to adjust a height of the lens and keep an angle of the lens, in response to the gear module being rotated. | 09-15-2011 |
20110222028 | PROJECTOR WITH LENS HEIGHT ADJUSTING FUNCTION - A projector includes a projector body, a lens module, and a base rack. The front panel of the projector body defines a though hole. The lens module includes a lens body rotatably mounted to the projector body, a sliding bracket, and a lens extending from the lens body to extend through the through hole of the projector body, and a sliding bracket connected to the lens body via parallel connecting poles. The sliding bracket is slidably mounted to the base rack. The base rack is rotatably mounted to the projector body. A height of the lens is operable to be adjusted by changing the positions of the sliding bracket on the base rack. | 09-15-2011 |
20110224929 | MONITORING SYSTEM AND INPUT AND OUTPUT DEVICE THEREOF - A monitoring system includes a controller, a number of input and output devices, a number of sensors, and a number of electronic devices. Each input and output device includes a switching circuit, a first input circuit, a second input circuit, and a connector. The connector is connected to a sensor or an electronic device. The controller controls the switching circuit to receive a detecting signal of the sensor or supply power to the electronic device. The first input circuit and the second input circuit are connected between the switching circuit and the controller. | 09-15-2011 |
20110228093 | VIDEO CAMERA MONITORING SYSTEM AND CAMERA MONITORING METHOD THEREOF - A video camera monitoring system includes one or more cameras, a controller, a computer, a computer monitor, a video encoder, and one or more camera monitors. The cameras capture images and convert the captured images into video signals. The controller transfers the video signals to the computer. The computer monitor displays video images corresponding to the video signals. The computer selects a section of each of the video images and sends video signals corresponding to the section of each of the video images back to the controller. The controller compresses the video signals from the computer and transfers the compressed video signals to the video encoder. The video encoder encodes the compressed video signals into analog video signals. The camera monitors receive the analog video signals and display the video images of the analog video signals. | 09-22-2011 |
20110231526 | ACCESS POINT DEVICE AND MONITOR SYSTEM USING THE ACCESS POINT DEVICE - A monitor system includes at least one network camera distributed in an area to be monitored, an access point device connected to the at least one network camera. The access point device includes ports, a central processing unit (CPU), and a storage device containing an information table. Each of the ports is connected to the CPU, and the CPU is connected to the storage device. The table records a serial number, a media access control (MAC) address, and an area monitored by each camera in the system, and records an Internet protocol (IP) pool previously assigned to each monitored area. After an IP request from one of the cameras, the CPU searches an associated IP pool in the table according to the MAC address, and randomly assigns an IP address from the IP pool to a corresponding network camera. | 09-22-2011 |
20110234918 | PROJECTOR AND PROJECTING IMAGE ADJUSTING METHOD THEREOF - A projector includes an image signal interface, a micro control unit (MCU), an image output lens, a graphic processing unit (GPU), an image input lens, and an image sensor. The MCU receives image signals through the image signal interface and sets the image signals to a default image parameter configuration. The GPU processes the set image signals to project the set image signals in a configuration of an image on a certain place through the image output lens. The image input lens captures the projected image on an appropriate place. The MCU receives actual image data corresponding to the captured projected image through the image sensor. The MCU compares the actual image data with predetermined image data, and adjusts image parameters of the image signals until a difference between the actual image data and the predetermined data is equal to or less than a predetermined value. | 09-29-2011 |
20110235002 | PROJECTOR - A projector includes a housing, a lens module pivotally connected to the housing, a first adjustment mechanism adjusting a pitch of the housing, and a second adjustment mechanism adjusting a pitch of the lens module. The first adjustment mechanism includes a threaded base fixed to the housing, and a support leg extending out of the housing and comprising a threaded portion. The second adjustment mechanism includes a first gear driven by the support leg, a second gear engaging the first gear, a first threaded member fixed to the second gear, a first connecting member pivotally connected to the lens module, a second connecting member slidably connected to the first connecting member, and a second threaded member. The second threaded member is fixed to the second connecting member, and threaded on and slidable relative to the first threaded member. | 09-29-2011 |
20110236010 | ADJUSTABLE CONNECTING MECHANISM FOR CAMERA DEVICE - A adjustable connecting mechanism for a camera device includes a frame, a tubular fixing member and a locking screw The frame forms a mounting portion; the mounting portion defines a through hole. The fixing member defines a first engaging portion and a second engaging portion spaced a predetermined distance from the first engaging portion along an axis of the fixing member. The locking screw is able to pass through the though hole and selectively engage in the first engaging portion or the second engaging portion, to adjust a height of the fixing member relative to the frame. | 09-29-2011 |
20110238875 | MASTER/SLAVE DEVICE SYSTEM - A master/slave device system includes a baseboard, a master device connected to the baseboard, and at least one slave device communicatively connected to the master device. The baseboard provides a power source. A switch connects the power source and the at least one slave device. The switch is capable of being switched on when a predetermined time is reached. The at least one slave device is capable of automatically setting an address at the moment the switch is switched on. The master device is capable of identifying the at least one slave device using the address. | 09-29-2011 |
20110242408 | DIGITAL CAMERA - A digital camera includes a bezel and an extending ring. The bezel includes a convex ring and at least one fixing portion. The convex ring is positioned on a center of the bezel. The fixing portion is defined on an outer sidewall of the convex ring. The extending ring includes a sleeve, a flange, and at least one fastening portion. The sleeve is placed around the outer sidewall of the convex ring. The flange extends from an end of the sleeve and abuts the convex ring. The fastening portion cooperates with the fixing portion. | 10-06-2011 |
20110242409 | DIGITAL CAMERA - A digital camera includes a bezel and an extending ring. The bezel defines a circular-shaped recess, and N pairs of support arms are positioned on the inner sidewall of the recess. The N is an integer equaling or exceeding 2. Each of the pairs of support arms has different height and the two support arms in each of the pairs of support arms are symmetrically placed with respect to a central axis of the recess. The extending ring defines N−1 pairs of bar-shaped slots. An end of the extending ring contacts an end surface of one of the N pairs of support arms, and the N−1 pairs of bar-shaped slots are positioned corresponding to the other N−1 of the N pairs of support arms. | 10-06-2011 |
20110249418 | CHIP ADAPTER - A chip adapter used to install a chip on a first chip arranging area of a circuit board includes a board. The size of the board has the same size as the first chip arranging area of the circuit board. Edges of the chip adapter define a number of gaps corresponding to first pads of the circuit board. A second chip arranging area of the same size as the chip is arranged in a center of the chip adapter. A number of second pads are arranged around the second chip arranging area of the chip adapter corresponding to pins of the chip. Each second pad is electrically connected to a sidewall of the corresponding gap of the chip adapter. | 10-13-2011 |
20110270554 | SAMPLING RATE ADJUSTMENT SYSTEM AND METHOD - A sampling rate adjustment system includes a detecting circuit and a processor. The detecting circuit detects a frequency of an alternating current (AC) power source and outputs a detecting signal. The processor receives the detecting signal of the detecting circuit and determines whether a difference between the frequency of the AC power source and a sampling rate of a camera is less than a predetermined value. The processor outputs a control signal to the camera and changes the sampling rate of the camera when the difference between the frequency of the AC power source and the sampling rate of the camera is less than the predetermined value. | 11-03-2011 |
20110271023 | SYSTEM FOR CONNECTING ELECTRONIC DEVICES - A system includes a master device and a number of slave devices connected to the master device via a bus. Each slave device includes a control unit, a switch unit, and a lock unit. When a new slave device is connected to the system, the control unit of the new slave device transmits a request signal to the master device. The master device detects whether the master device is communicating with the already connected slave devices after receiving the request signal, and outputs an enable signal to the new slave device according to the detected result. The control unit of the new slave device controls the lock unit of the new slave device to turn on and turn off the switch unit of the new slave device according to the enable signal. | 11-03-2011 |
20110289228 | INTERNET PROTOCOL CAMERA MANAGEMENT SYSTEM AND METHOD - An Internet Protocol (IP) camera management system and method determines a MAC address of an IP camera corresponding to a communication channel, searches an IP address of the IP camera through the determined MAC address of the IP camera, then establishes connection between the IP camera management system and the IP camera through the searched IP address. Furthermore, video image data are acquired from the IP camera through the communication channel and are displayed on a display interface. | 11-24-2011 |
20110299844 | APERTURE CONTROLLING SYSTEM - An aperture controlling system includes a CMOS image sensor, a brightness encoder, an aperture and an aperture driving circuit. The brightness encoder is used for extracting brightness information sensed by the CMOS image sensor and converting the brightness information into digital codes. The aperture driving circuit includes a D/A converter, a motor coil driving circuit, an environment sensing module, a benchmark voltage generator and a motor. The motor is mechanically connected to the aperture. The motor coil driving circuit includes a voltage comparator. The input and the output of the D/A converter are respectively coupled to the brightness encoder and the inverting input of the voltage comparator. The input and the output of the benchmark voltage generator are respectively coupled to the environment sensing module and the non-inverting input of the voltage comparator. The output of voltage comparator is connected to the motor. | 12-08-2011 |
20110310360 | ADJUSTING SYSTEM AND PROJECTOR INCLUDING SAME - A projector includes a body, a support shaft, an input unit, a distance detection unit mounted on a front surface of the body, an angle detection unit mounted in the support shaft, a micro controller unit, a graphics processing unit (GPU), and an optical unit. The distance detection unit detects a distance between the distance detection unit and a light point on a screen by the distance detection unit. The angle detection unit detects a projection angle of the body. The MCU obtains a correction value according to the distance between the distance detection unit and the light point on the screen, and the projection angle of the body. The GPU corrects the images from the input unit according to the correction value. The optical unit projects the corrected images on the screen. | 12-22-2011 |
20120001931 | ADJUSTING SYSTEM, METHOD AND PROJECTOR INCLUDING THE SAME - A projector includes a body, an input unit for receiving images, a reference image storage unit for storing a reference image, a micro controller unit (MCU), a graphic processing unit (GPU), an optical unit, and a sensing unit. The reference image is processed by the MCU and the GPU, and then projected on a screen to form a projection image by the optical unit. The sensing unit is mounted on a front surface of the body to sense the projection image and transmit data of the projection image to the MCU. The MCU compares the reference image and the projection image to obtain a correction value. The GPU adjusts its calculations according to the correction value. | 01-05-2012 |
20120002179 | ADJUSTING SYSTEM AND PROJECTOR INCLUDING THE SAME - An adjusting system for a projector includes a reference point projection unit, an infrared apparatus, a micro controller unit (MCU), and a graphic processing unit (GPU). The reference point projection unit stores reference points. The reference points are projected on a screen to form projection points. The infrared apparatus includes infrared devices mounted on a front surface of a body of the projector. The infrared devices emit infrared signals to the screen and form light points on the screen. When a projection angle of the projector is 0 degrees, the light points overlap the projection points respectively. When the projection angle of the projector is a certain angle, the MCU controls the GPU to make adjustment corresponding to the infrared devices which receive the reflected infrared signals, until the projection points overlap the light points respectively. | 01-05-2012 |
20120019672 | INTERNET PROTOCOL CAMERA FOR VISUAL MONITORING SYSTEM - An Internet protocol (IP) camera includes an image capturing unit for capturing images, a distant monitoring unit for receiving the captured images as digital signals through a communication network, and a near monitoring unit receiving captured images as analog signals through a coder/encoder (CODEC) unit. The near monitoring unit is positioned near the image capturing unit, and the IP camera is operated according to the images displayed by the near monitoring unit to adjust visual monitoring parameters thereof, thereby adjusting the IP camera to a desired monitor status. | 01-26-2012 |
20120026282 | CAMERA - A camera includes a plurality of image capturing unit, a switch unit, and a processor unit. Each image capturing unit includes a lens capturing images and an image sensor transforming optical signals of the images captured by the lens into electric signals. The switch unit is electrically connected to all the image sensors. The processor unit is electrically connected to the switch unit. The image sensors of all the image capturing units are alternately connected to the processor unit to alternately transmit the electric signals generated by the image capturing units to the processor unit, and the processor unit transforms the electric signals into images respectively captured by all the image capturing units and combines the images together to form multiple images cooperatively captured by all the image capturing units. | 02-02-2012 |
20120026341 | AUTO IRIS LENS CALIBRATION DEVICE AND METHOD - An iris calibration device includes one or more groups of light sources, a microcontroller (MCU), and a display. The MCU connects to a system on chip (SoC) of a digital camera device. The digital camera device includes an iris lens. The MCU receives an “on” command or an “off” command from the SoC. The MCU turns on or turn off a group of light sources according to the “on” command or the “off” command The SoC adjusts the iris lens according to an average luminance of the one or more light sources sensed by a sensor of the digital camera device. | 02-02-2012 |
20120032593 | AUTOMOBILE LIGHT CONTROL SYSTEM - An automobile light control system includes first and second light groups, a battery, a micro control unit (MCU), a speed sensor, first and second switches, and an electronic switch. The battery is connected to the first light group through the first switch. The first light group is connected to the first terminal of the electronic switch through the second switch. The second terminal of the electronic switch is connected to the second light group. The control terminal of the electronic switch is connected to the MCU. The MCU is connected to the speed sensor to receive a speed signal. The MCU controls the electronic switch to be turned on in response to the speed signal being greater than a predetermined value. The MCU controls the electronic switch to be turned off in response to the speed signal being less than or equal to the predetermined value. | 02-09-2012 |
20120033086 | SENSOR SYSTEM DETECTION DEVICE AND DETECTION METHOD USING SAME - A sensor system detection device for detecting quality of a sensor system includes a first connector electrically connected to the sensor system, a second connector; a display unit, a controller and an encoder. A first terminal of the encoder is connected to the first connector to receive first image data from the sensor system. A second terminal of the encoder is connected to the display unit via the second connector. A third terminal of the encoder is connected to the controller. The controller controls the encoder to transform the first image into second image data matching with the display unit. The second image data is transferred to the display unit. | 02-09-2012 |
20120043998 | RESET CIRCUIT - A reset circuit includes two voltage dividing circuits, a switching circuit, a selection button, two voltage converters, and a processor. The voltage converters convert a first or second power supply for supplying power to the processor. When the first power supply supplies power to the processor the processor operates normally. When the second power supply supplies power to the processor, one of the voltage dividing circuits outputs a signal to the processor to restore an electronic device to factory settings according to the signal. | 02-23-2012 |
20120044356 | POWER SUPPLY CIRCUIT FOR INFRARED CUT REMOVABLE FILTER - A power supply circuit for an infrared cut removable (ICR) filter includes an identifying module, a supply mode module, a switching module, and a power source module. The identifying module generates a first identifying signal when the brightness of external light is higher than a preset brightness; otherwise, the identifying module generates a second identifying signal. The supply mode module generates a power supply corresponding to the power supply mode of the ICR filter. The switching module includes two connecting nodes for connecting to the ICR filter and loads the power supply generated by the supply mode module on one of the nodes correspondingly according to the first and second identifying signals. The power source module is connected to an external DC power supply and generates an operating voltage for the identifying module, the supply mode module, and the switching module. | 02-23-2012 |
20120044376 | FILTER CONVERSION DEVICE - A filter conversion device includes a first filter, a second filter, a motor, and a microswitch. The motor moves the first or second filter according to a control signal from a processor of the camera. The micorswitch is mounted adjacent to the first filter. A first terminal of the microswitch is grounded. A second terminal of the microswitch is connected to a power supply with a resistor and is connected to the processor of the camera with a connector. When the first filter contacts the microswitch, the microswitch turns on. | 02-23-2012 |
20120044566 | INFRARED CUT FILTER REMOVABLE MODULE CONTROL APPARATUS - An infrared cut filter removable (ICR) module control apparatus includes a photoresistor, first to sixth electronic switches, an ICR module, a comparator, and a central processing unit (CPU). A first terminal of the photoresistor is connected to a power supply through a resistor. A second terminal of the photoresistor is grounded, and connected to the second to fourth electronic switches and the CPU through the first electronic switch. The second electronic switch is connected to the fifth and sixth switches. A node between the third and fourth switches is connected to a first input terminal of the ICR module and the non-inverting terminal of the comparator. A node between the fifth and sixth switches is connected to a second input terminal of the ICR module and the inverting terminal of the comparator. The CPU is connected to the output terminal of the comparator and connected to the first electronic switch. | 02-23-2012 |
20120044592 | FILTER CONVERSION DEVICE - A filter conversion device includes a first filter, a second filter, a motor, and a comparator. The motor moves the first and second filters according to a control signal from a processor of the camera. Two input terminals of the comparator are respectively connected to two input terminals of the motor. An output terminal of the comparator is connected to the processor. The comparator detects the control signal transmitted to the motor and feeds back the detection result to the processor, for determining whether the control signal is correct. | 02-23-2012 |
20120062752 | POWER CONVERSION CIRCUIT AND INTERNET PROTOCOL CAMERA EMPLOYING THE SAME - A power conversion circuit for an internet protocol camera includes a voltage conversion circuit and a divider circuit electrically connected to the voltage conversion circuit. The voltage conversion circuit includes a linear voltage regulator for providing an operating voltage. The linear voltage regulator includes an input port, an output port and a feedback port. The divider circuit includes a first divider resistance and a second divider resistance. The output pot, the first divider resistance and the second divider resistance are electrically connected in series, the feedback port is electrically connected between the first divider resistance and the second divider resistance to obtain a feedback voltage. The input port is electrically a system power, and the output port outputs and provides an output voltage adjusted by the feedback voltage. | 03-15-2012 |
20120069206 | CAMERA IMAGE CORRECTION SYSTEM AND IMAGE CORRECTION METHOD EMPLOYING THE SAME - A camera image correction system includes an image correction device and an internet protocol camera intercommunicating with the image correction device. The image correction device includes an input module, a signal processing module, and a wireless communications module. The input module inputs and generates correction instructions that the signal processing module processes. The wireless communications module transmits the correction images to the internet protocol camera. The internet protocol camera includes an antenna, a system on chip, and a signal control module. The antenna receives the correction instruction; the signal control module processes the correction instructions to generate command signals. The system on chip controls the internet protocol camera according to the command signals to obtain monitoring images, the monitoring images are processed by the signal control module and transmitted to the image correction device through the antenna and the wireless communications module. | 03-22-2012 |
20120075409 | IMAGE SEGMENTATION SYSTEM AND METHOD THEREOF - An image segmentation system includes an image recording unit, an image processing unit and an image monitoring unit. The image recording unit obtains a panoramic image of a target area, and the image processing unit receives and processing image data from the image recording unit. The image processing unit divides the panoramic image into corresponding sub-images, and the sub-images are stored in the image monitoring unit. | 03-29-2012 |
20120081173 | CONTROL CIRCUIT FOR FAN - A control circuit includes a triangular wave generating circuit, a temperature sensing circuit, a first comparator, and a switching circuit. The triangular wave generating circuit outputs a triangular wave signal. The temperature sensing circuit senses a temperature surrounding a fan and outputs a temperature signal. A non-inverting terminal of the first comparator is connected to the triangular wave generating circuit. An inverting terminal of the first comparator is connected to the temperature sensing circuit. The first comparator compares the triangular wave signal with the temperature signal to output a control signal. The switching circuit is connected between a power supply and the fan. The switching circuit turns on or off according to the control signal. | 04-05-2012 |
20120086816 | SPEED DOME CAMERA - A camera includes a front portion, a rear portion and a electric brush connecting the front portion and the rear portion. The front portion includes a camera module for capturing image. The front portion further includes a wireless transmission module. The rear portion further includes a wireless receiving module. The front potion sends the image to the wireless receiving module by the wireless transmission module. | 04-12-2012 |
20120091937 | CONTROL CIRCUIT FOR FAN - A control circuit includes a current sensing circuit, an analog digital converter (ADC), an amplifying circuit, a processor, and a switching circuit. The current sensing circuit senses current supplied to an electronic device by a power supply and outputs a first voltage signal. The amplifying circuit amplifies the first voltage signal output from the current sensing circuit to a second voltage signal. The ADC converts the second voltage signal to a digital signal. The processor outputs pulse width modulation (PWM) signals according to the digital signal. The switching circuit receives the PWM signals to control a fan of the electronic device according to the PWM signals. | 04-19-2012 |
20120092061 | FAN CONTROL SYSTEM - A fan control system for controlling a fan to dissipate heat from an electronic device includes a current detection circuit having a shunt resistor to receive current, a signal amplification circuit having an operational amplifier, and a switch circuit having an npn transistor and a pnp transistor. A first terminal of the shunt resistor is connected to the electronic device, a second terminal of the shunt resistor is connected to the electronic device via a power source and is grounded. A non-inverting terminal of the operational amplifier is connected to the first terminal of the shunt resistor, an inverting terminal of the operation amplifier is connected to the second terminal of the shunt resistor via a first resistor and connected to an output terminal of the operational amplifier via a second resistor. The output terminal of the operation amplifier is grounded via a third resistor and a sixth resistor. | 04-19-2012 |
20120098438 | ILLUMINATION ADJUSTMENT CIRCUIT - An illumination adjustment circuit includes a light sensitive unit, an amplification unit, a switch unit, and a light emitting unit. The switch unit includes a plurality of electronic switches with increasing threshold voltages. The light emitting unit includes a plurality of sets of light emitting diodes corresponding to the electronic switches. Each set of the light emitting diodes is connected to the amplification unit through one of the electronic switches corresponding thereto. The light sensitive unit detects the brightness of ambient light, outputting a first voltage to the amplification unit accordingly. The amplification unit amplifies the first voltage to a second voltage and outputs the second voltage to the switch unit, so that the electronic switches with the threshold voltages lower than the second voltage are turned on, and the set of light emitting diodes connected to the electronic switch becomes luminous. | 04-26-2012 |
20120098479 | OUTDOOR MONITORING SYSTEM - An outdoor monitoring system includes a camera, a direct-current adapter, a solar cell unit and a power management unit. The power management unit includes a controller, a rechargeable power source, a first voltage detection circuit, and a second voltage detection circuit. The first voltage detection circuit detects a charging voltage of the solar cell unit for charging the rechargeable power source. The second voltage detection circuit detects an output voltage of the rechargeable power source applied to the camera. The controller selectively connects the rechargeable power source or the direct-current adapter to the camera according to the output voltage and connects or disconnects the rechargeable power source to the solar cell unit according the output voltage and the charging voltage. | 04-26-2012 |
20120104973 | LAMP CONTROL CIRCUIT - A lamp control circuit includes a first switch circuit receiving a voltage from a power supply after a control is turned on and outputs a first control signal, a count circuit receives the first control signal and outputs a second control signal, a gate circuit receives the second control signal and outputs a third control signal, a second switch circuit includes a number of electronic switches to receive the third control signal and controls the electronic switches to be turned on or turned off, and a lighting circuit including a number of light emitting diode (LED) groups. Each LED group includes an LED. When an electronic switch connected to an LED group is turned on, the LED of the corresponding LED group is lit. When an electronic switch connected to an LED group is turned off, the LED of the LED group does not light. | 05-03-2012 |
20120106097 | MOTHERBOARD - A motherboard includes a power circuit, a system power supply, and a central processor unit (CPU). The power circuit includes a direct current (DC) voltage input terminal. A first control circuit receives a direct current (DC) voltage through the DC voltage input terminal and outputs a first control signal. A second control circuit receives the first control signal and outputs a second control signal to the CPU and output a third control signal. A switching circuit includes a number of switches. The second control signal controls the corresponding switches to be on or off. A voltage converting circuit receives the third control signal and converts the DC voltage from the DC voltage input terminal, and outputs the converted DC voltage to the system power supply. The CPU receives the second control signal and controls the motherboard operation. | 05-03-2012 |
20120112663 | LIGHT-EMITTING DIODE CONTROL CIRCUIT - A light-emitting diode (LED) control circuit includes a switch, a control signal generating circuit, a voltage conversion device, and N switching circuits. The voltage conversion device converts a first direct current (DC) power supply to a second DC power supply for supplying power to the control signal generating circuit. The control signal generating circuit outputs different control signals according to the switch to turn on or off the N switching circuits, thus power is supplied to corresponding groups of LEDs. | 05-10-2012 |
20120133409 | DELAY CIRCUIT AND SCHEDULE CONTROLLER EMPLOYING THE SAME - A delay circuit used in a schedule controller includes a voltage detection unit, a timer, and a first electronic switch. The voltage detection unit receives an input voltage and compares the input voltage with a predetermined voltage. The timer is controlled by the voltage detection unit to calculate duration of an interval time. The first electronic switch is switched on or off under the control of the timer. When the input voltage substantially equals or exceeds the predetermined voltage, the timer calculates duration of the interval time, the timer generates and transmits a switch signal to the first electronic switch when the timing is reached, and the first electronic switch is switched on by the switch signal and provides an output voltage. | 05-31-2012 |
20120162418 | NETWORK CAMERA AND METHOD FOR CHANGING IMAGE SENSOR OF SAME - A network camera includes a mainboard system and an audio/video capture system. The mainboard system includes a system-on-chip. The system-on-chip is configured for encoding video files captured by the network camera. The audio/video capture system includes an image sensor, a bus switch, and a voltage level switch. The bus switch is interconnected between the system-on-chip and the image sensor. The bus switch has an on state where the system-on-chip is electrically connected to the image sensor and an off state where the system-on-chip is not electrically connected to the image sensor. The voltage level switch is electrically connected to the system-on-chip, and has a high voltage level state and a low voltage level state. The system-on-chip is capable of sending instructions to turn the bus switch on or off according to the state of the voltage level switch. | 06-28-2012 |
20120164853 | BOARD-TO-BOARD CONNECTOR - A board-to-board connector includes a double plastic pin header connector and a supporting plate. The double plastic pin header connector includes two opposite positioning plates, and a number of pin headers arranged in two rows and extending through the positioning plates. The supporting plate is placed between the two rows of pin headers, with opposite ends of the supporting plate resisting against the corresponding positioning plates. | 06-28-2012 |
20120169873 | AUDIO/VIDEO MONITORING SYSTEM AND METHOD FOR SIMULTANEOUSLY PLAYING AUDIO/VIDEO - An exemplary method for displaying audio/video includes the following. A network camera is zoomed at a first zoom ratio to capture video images, and audio signals transmitted from a first area are simultaneously received. The network camera is zoomed at a second zoom ratio, and simultaneously audio signals transmitted from a second area are received. The video images and audio signals corresponding to the sounds of the first area and the second area are stored. The audio signals of the first area with the video images captured at the first zoom ratio are synchronized, and the audio signals of the second area with the video images captured at the second zoom ratio are also synchronized. Selected of the video images and the corresponding synchronized audio signals are simultaneously played, as required by a user. | 07-05-2012 |
20120225594 | PIN HEADER CONNECTOR - A pin header connector includes a number of electrically conductive pins, two insulating plates, and a supporting body. The pins are arranged in two parallel rows. Each of the rows comprises at least three pins. Each of the insulating plates defines a number of through holes corresponding to the pins. Each of the pins extends through the corresponding through hole. The supporting body defines slots accommodating the respective pins. The supporting body is sandwiched between the insulating plates. | 09-06-2012 |
20120244731 | ELECTRONIC DEVICE FOR RECEIVING USB DEVICE - An electronic device includes an enclosure, and an operation device. The enclosure includes a first sidewall, and a second sidewall connected to a rear end of the first sidewall. A receiving recess is defined in the first sidewall and extends through the second sidewall, to receive a universal serial bus (USB) device. A USB port is installed in receiving recess away from the second sidewall, to be connected to the USB device. The operation device is pivotably connected to the receiving recess and includes two spaced arms to sandwich the USB device when the USB device is connected to the USB port. When the operation device is rotated in a predetermined direction, the arms move toward the second sidewall, to push the connected USB device to disengage from the USB port. | 09-27-2012 |
20120275111 | PORTABLE ELECTRONIC DEVICE WITH ANTI-REVERSE ENGINEERING FUNCTION - An exemplary portable electronic device includes a housing, a circuit board, starting module set on the circuit board for starting the portable electronic device, and an assembly module. The assembly module helps assembles the housing and the circuit board together and forms a part of circuitry associated with the starting module. When the assembly module is disassembled from the housing and the circuit board, the starting module cannot start the portable electronic device. | 11-01-2012 |
20120322276 | ELECTRONIC DEVICE WITH CONNECTOR - An electronic device includes a housing, a circuit board arranged in the housing, a first connector, and a second connector. The first connector includes a panel formed at a first end of the first connector and located at an outer surface of the housing. The panel defines a number of first sockets to. A number of pins extend from a second end of the first connector. The second connector includes a first connecting portion and a second connecting portion. The first connecting portion defines a number of sockets to connect the pins of the first connector. The second connecting portion includes a number of pins connected to the circuit board. | 12-20-2012 |