Patent application number | Description | Published |
20100219875 | Mixer Capable of Improving Signal Quality - A mixer includes a transduction circuit, a first and a second switch circuit, and a first and a second load circuit. The transconductor circuit is for generating a differential current signal according to a differential voltage signal. The first switch circuit and the first load circuit are connected in series, and the first switch circuit is used to regulate the differential current signal in response to a first oscillator signal. The second switch circuit and a second load circuit are connected in series, and the second switch circuit is used to regulate the differential current signal in response to a second oscillator signal. The first load circuit and the second load circuit are connected at a common node to reduce harmonic interferences. | 09-02-2010 |
20100295597 | MIXER WITH HIGH LINEARITY AND LOW OPERATING VOLTAGE - A mixer with high linearity and a low operating voltage is provided. The mixer includes a transconductor and a switch circuit. The transconductor receives a differential voltage signal and outputs a differential current signal accordingly. The transconductor includes a first resistor, a second resistor, a differential amplifier, a first current source and a second current source. The switch circuit includes a first switch, a second switch, a third switch, and a fourth switch. The first and second switches are coupled to a first input of the differential amplifier, while the third and fourth switches are coupled to a second input of the differential amplifier. The first and third switches are mutually coupled to provide an output of the mixer, while the second and fourth switched are mutually coupled to provide another output of the mixer. Each of the first, second, third and fourth switches determines whether to allow the differential current signal to pass through according to a differential control signal. | 11-25-2010 |
20100302100 | Signal Processing Apparatus for Multi-mode Satellite Positioning System and Method Thereof - A signal processing apparatus for a multi-mode satellite positioning system includes a band-pass filter, a local oscillator circuit, a first mixing circuit, a second mixing circuit, an analog-to-digital converter and a baseband circuit. By properly allocating a local frequency, radio frequency (RF) signals of a Global Positioning System (GPS), a Galileo positioning system and a Global Navigation System (GLONASS) are processed via a single signal path to save hardware cost. | 12-02-2010 |
Patent application number | Description | Published |
20100208599 | ANTICIPATIVE RECURSIVELY-ADJUSTING CO-ALLOCATION MECHANISM - An anticipative recursively-adjusting co-allocation mechanism (ARAM) includes the steps of: measuring a transmission bandwidth of a candidate server by a bandwidth measurement module; referring to the transmission bandwidth to calculate a recursive parameter value, and calculating a desired allocating file size of present round according to the recursive parameter value and an unassigned file size; allocating the desired allocating file size to the candidate server according to the transmission bandwidth and a transmission completion percentage of the candidate server at a previous round; performing the transmission and calculating the transmission completion percentage of each candidate server; examining the transmission completion percentage of the candidate sever; and examining whether or not an allocation of files is completed if any candidate server has completed a transmission, and looping to the next round if the file allocation has not been completed so as to enhance the data transmission performance effectively. | 08-19-2010 |
20130145364 | METHOD OF DYNAMIC RESOURCE ALLOCATION FOR A VIRTUAL MACHINE CLUSTER - A method of dynamic resource allocation for a virtual machine cluster is to calculate the resource usage weight of the respective virtual machine, the resource usage weight of the respective physical machine, and the average resource usage weight of the physical machines, to pick the physical machine with the greatest resource usage weight as the migration source machine, to pick the physical machine with the least resource usage weight as the migration object machine, and to move the virtual machine in the migration source machine with the resource usage weight thereof being closest to the migration difference value to the migration object machine to achieve the effect of load balancing. | 06-06-2013 |
20130145365 | METHOD FOR MANAGING GREEN POWER OF A VIRTUAL MACHINE CLUSTER - A method for managing green power determines if how many physical machines should run or be shut off with the gross occupied resource weight ratio of the virtual machine cluster. The standby physical machine in the non-running physical machines is elected and woke up to join as one of the running physical machines; one of the running physical machines is elected as a migration physical machine with the virtual machines therein being moved to other running physical machines, and then shut off. The resource allocation process is conducted to distribute loads of the running physical machines such that the total numbers of the running physical machines are capable of being dispatched flexibly to achieve the object of green power management. | 06-06-2013 |
Patent application number | Description | Published |
20080317300 | Fingerprint Sensing Circuit - A fingerprint sensing circuit for detecting a fingerprint of a user, including a signal source, at least a sensing unit, a resistor, an electrode, and a detecting circuit. The signal source provides a reference signal. The electrode is coupled to a reference level. The sensing unit generates a sensed value according to the electrode and the fingerprint of the user. The resistor is coupled between the signal source and the output node. The detecting circuit is coupled to the output node. The resistor, the sensing unit, and the electrode constitute a filter circuit to the signal source. At least a first signal is generated to the output node according to the reference signal and the sensed value, and the detecting circuit detects the first signal to generate a corresponding detected result indicative of the fingerprint. | 12-25-2008 |
20090085663 | Transconductor Having High Linearity and Programmable Gain and Mixer using the Same - A mixer having high linearity and an associated transconductor combining programmable gain amplifier and mixer functions are provided. The transconductor includes first and second resistors, a differential amplifier, first and second feedback circuits, and first and second transistors. A differential voltage signal is inputted to first and second input ends of the differential amplifier via the first and second resistors. The first and second feedback circuits are provided between a first output end and the first input end, and a second output end and the second input end of the differential amplifier, respectively. The first output end outputs a first output signal for controlling a first current passing through the first transistor. The second output end outputs a second output signal for controlling a second current passing through the second transistor. The first current and the second current determine a differential current. | 04-02-2009 |
20090303123 | Hybrid GPS Receiving Method and Associated Apparatus - A hybrid Global Positioning System (GPS) receiving method, and associated GPS receiving apparatus is provided. The GPS receiving apparatus includes an RF front-end circuit, a correlation circuit, an acquisition engine and a bidirectional interface control unit. The RF front-end receiving circuit receives a satellite signal and converts the same into a baseband signal. The acquisition engine, coupled to the correlation circuit, determines reception power of the GPS satellite signal. The interface control unit, coupled to the acquisition engine, provides a low-speed interface for transmitting GPS intermediate data that includes a code bin, a frequency bin, navigation data, a local system time and a GPS time. The interface control unit includes a memory interface unit for coupling to a memory. | 12-10-2009 |
Patent application number | Description | Published |
20090033533 | SIGMA DELTA MODULATOR AND RELATED METHOD THEREOF - A sigma-delta modulator includes a loop filter, a single bit quantizer, a single bit DAC, an adder. The loop filter is for filtering a summed signal to generate a filtered signal. The single bit quantizer is coupled to the loop filter, for performing a quantization process to the filtered signal to generate a quantized signal. The single bit DAC is coupled to the single bit quantizer, has an adjustable configuration, and is for generating a feedback signal according to the quantized signal and the configuration thereof. The adder is coupled to the loop filter and the single bit DAC, for summing an input signal and the feedback signal to generate the summed signal. | 02-05-2009 |
20090213980 | MULTI-MODULUS DIVIDER WITH EXTENDED AND CONTINUOUS DIVISION RANGE - A multi-modulus divider and a method for performing frequency dividing by utilizing a multi-modulus divider are disclosed. The multi-modulus divider comprises a multi-modulus dividing circuit, a pulse generating circuit, and a modulus signal generating circuit. The multi-modulus dividing circuit comprises several serially connected divider cells, of which a predetermined one may be bypassed. The multi-modulus dividing circuit generates an output frequency according to an input frequency and a divisor. A range of the divisor comprises a plurality of numerical intervals. The pulse generating circuit generates a pulse signal. The modulus signal generating circuit generates a determination result by determining which numerical interval the divisor belongs to, and inputs, according to the determination result, the pulse signal into the predetermined divider cell to be one of references which the predetermined divider cell refers to when outputting a modulus signal. The predetermined divider cell corresponds to the determination result. | 08-27-2009 |
Patent application number | Description | Published |
20120177231 | INTERACTIVE PLAY SYSTEM - An interactive play system including a handheld device and an insertion device is provided. An interactive application program is embedded in the handheld device. The insertion device includes a dock, an amplifier, a speaker, and a slave circuit. The dock carries the handheld device. The speaker is coupled to the amplifier and used for playing a sound. The slave circuit is coupled to the amplifier. When the handheld device is placed in the dock of the insertion device and accordingly activates the interactive application program, the handheld device displays an interactive graphical user interface, and the slave circuit and the amplifier are coupled to the handheld device, so as to guide a user to set the insertion device. The handheld device controls various functions of the slave circuit. | 07-12-2012 |
20120178399 | INTERACTIVE SYSTEM - An interactive system is provided. The interactive system includes a handheld device and an insertion device. An interactive application program is embedded into the handheld device. The insertion device has a protective case for protecting the handheld device, and the insertion device also has a slave circuit, where the insertion device does not have a screen or a keypad. When the interactive application program is activated by a user through putting the handheld device into the insertion device, the handheld device will display an interactive graphical user interface so as to guide the user to set the insertion device, and the handheld device controls the functions of the slave circuit. | 07-12-2012 |
20120178505 | SMART CHARGING SYSTEM - A smart charging system is provided, which includes a handheld device and an insertion device. An interactive application program is built in the handheld device. The insertion device has a protective case for protecting the handheld device, a connector, a slave battery module and a slave application circuit. When the handheld device is placed into the insertion device, the connector is coupled to the handheld device to activate the interactive application program to proceed a two-way communication. The handheld device has a control power of the slave application circuit. The handheld device displays an interactive graphical user interface to guide a user to set the insertion device, so as to provide electricity for the handheld device. The system can upgrade a battery endurance of the handheld device and solve problems of unable to replace the battery and charge saturation of the battery. | 07-12-2012 |
20120180086 | TERRESTRIAL/ SATELLITE SET-TOP-BOX SYSTEM WITH DOCKING STATION - A terrestrial/satellite set-top-box (STB) system is provided. The system includes a handheld device and an STB. The handheld device has a built-in interactive application program. The STB includes a docking station and a playing circuit. The docking station carries the handheld device. The handheld device can be used for setting or remotely controlling the STB. The STB is linked to a wireless network via the handheld device so as to play movies and news programs from the network. The invention can solve the disadvantage of failing wirelessly to link network in the prior art. | 07-12-2012 |
20120183109 | WORLD DIGITAL RADIO RECEIVER WITH IMAGE SIGNAL REJECTION - A broadcast receiver with image rejection is proposed. The broadcast receiver includes a radio frequency processing unit and a baseband processing unit. The radio frequency processing unit receives a first input signal and a second input signal, amplifies the first input signal and the second input signal, down-converts the second input signal, and generating a first signal and a down-converted second signal. Besides, the baseband processing unit receives one of the first signal and the down-converted second signal, filters the received signal thereof, wherein the baseband processing unit comprises an anti-aliasing filter unit which attenuates adjacent channel interference of the received signal, and when the received signal is the down-converted second signal, the anti-aliasing filter unit attenuates a portion of an image signal in the received signal. | 07-19-2012 |
20120224698 | WIRELESS AUDIO FREQUENCY PLAYING APPARATUS AND WIRELESS PLAYING SYSTEM USING THE SAME - A wireless audio frequency playing apparatus and a wireless playing system using the same are provided. The wireless playing system includes a wireless remote controller and the wireless audio frequency playing apparatus. The wireless audio frequency playing apparatus is operated under control of the wireless remote controller. | 09-06-2012 |
20120226581 | SHOPPING INFORMATION FLOW SYSTEM AND METHOD BY DIGITAL RADIO CHANNEL AND COMMUNICATION NETWORK - A shopping information flow system and method by a digital radio channel and a communication network are provided, and are suitable for an electronic device with a playing digital broadcasting function. The method includes the following steps: a digital radio broadcasting station broadcasting a program signal and a sales information, in which a virtual store providing the sales information on a commodity; the electronic device receiving and playing the program signal, and displaying the sales information; the electronic device starting a web link to connect an authentication terminal, transmitting an identification information of the electronic device for processing a transaction identification; and the authentication terminal processing a sale deal of the commodity, thereby noticing the virtual store to supply the commodity to a user of the electronic device. This can be done to sell the commodity. | 09-06-2012 |
20140117974 | RSSI CIRCUIT WITH LOW VOLTAGE AND WIDE DETECTABLE POWER RANGE - An RSSI circuit with low voltage and wide detectable power range is provided, including a plurality of amplifiers connected in a cascade manner; a plurality of rectifiers, each of the plurality of rectifier having an input connected to an output of each of the plurality of amplifiers in turn; and a selector, connected to an output of each of the plurality of rectifiers for selecting an output among the outputs from the plurality of rectifiers. By using selector to select an output among outputs of the rectifiers, the RSSI circuit of the present invention can detect a wider power range with same voltage range because each stage can utilize the full voltage range. | 05-01-2014 |
20140146920 | MIXER WITH IQ GAIN-PHASE CALIBRATION CIRCUIT - A mixer with IQ gain-phase calibration circuit is provided, including an I-path input stage, a Q-path input stage, an I-path switching stage, a Q-path switching stage, and an output stage, wherein the output stage further includes a phase calibration module, and a gain calibration module. The I-path and Q-path input stages are to convert the input voltage signal to a current signal, and the I-path and Q-path switching stages are to perform computation on input signal from the input stages with local oscillation signal. The signals from the switching stages are then passed through the phase calibration module for phase calibration and then through the gain calibration module for gain calibration before outputting. | 05-29-2014 |
Patent application number | Description | Published |
20150109437 | METHOD FOR CONTROLLING SURVEILLANCE CAMERA AND SYSTEM THEREOF - Disclosed is a method for controlling a surveillance camera, wherein the surveillance camera is remotely controlled by a mobile device, the method comprising: enabling the mobile device to perform an operational motion; and enabling a camera lens of the surveillance camera to perform an operational action corresponding to the operational motion of the mobile device, wherein the operational motion includes: an upward/downward position movement, a leftward/rightward position movement, a forward/backward position movement, a left/right inclining movement, a forward/backward inclining movement, a left/right rotating movement, a shaking movement, a tracking movement, and a combination thereof. By the method of the present invention, a user can more intuitively remotely control a surveillance camera by a mobile device. | 04-23-2015 |
20150138353 | SMART DOORBELL WITH ENERGY SAVING METHOD - Disclosed is an energy-saving method for operating a smart doorbell including an activating element which is in a sleeping mode when the activating element is not activated, the activating element includes an electrical doorbell, a photographing module, a communicating module, a first processor, and a second processor, the method comprises: a step of activating the first processor while a movement of an object is sensed by a first sensor; a step of activating the photographing module and the second processor while a second sensor senses that the object is approaching toward the electrical doorbell, analyzing an image information of the object captured by the photographing module; and a step of activating the communicating module while the image information is analyzed that has a human image approaching toward the electrical doorbell, so as to achieve a goal of real time response to a bell call by consuming less energy. | 05-21-2015 |
20150180941 | Cloud Scene Sharing System - A cloud scene sharing system includes a first network device, a webcam device, and a second network device. The webcam device is provided for monitoring a scene of environment, wherein the first network device owns the initiative access privilege of the webcam device by means of a share master module. The share master module determines whether the initiative access privilege of the webcam device is to share with the second network device or not according to a relationship of network group configuration between the first network device and the second network device, wherein the first network device is operated to determine whether the initiative access privilege is to share with the second network device or not, wherein the network group configuration is provided for setting whether the first network device and the second network device are belonged to a same group or not. | 06-25-2015 |
20150181160 | CLOUD MONITORING SYSTEM - A cloud monitoring system includes at least one webcam device, at least one monitoring controlling module, at least one operation executing device, and an authorizing module. The webcam device is provided for monitoring a scene of environment and sending the scene via a network. The monitoring controlling module is provided in an end-user networking device. The operation executing device and the authorizing module are connected with the network. By the authorizing module, an observation privilege of the webcam device of the monitoring controlling module is authorized to another specific monitoring controlling module to display the scene on a screen of the end-user networking device of the specific monitoring controlling module, and/or the authorizing module authorizes a controlling privilege of the operation executing device to the monitoring controlling module specifically to allow the operation executing device to execute an operation by operating a controlling element of the monitoring controlling module. | 06-25-2015 |
20150281548 | Surveillance Controlling System - A surveillance controlling system comprises a controlling device and a surveillance device, the controlling device is provided with a privacy activating button triggered to generate and output a privacy activation controlling signal, the surveillance device is signally connected to the controlling device and is provided with a rotatable camera, when the privacy activation controlling signal is received by the surveillance device, the camera is to automatically rotate to face toward a predetermined privacy protecting position from an original photographing position, accordingly, the problem of privacy in the prior art is solve. | 10-01-2015 |