Patent application number | Description | Published |
20130249576 | POWER SUPPLY UNIT TESTING SYSTEM - A system for testing a PSU includes an input control module, a voltage regulating module, and a load adjusting module. The input control module includes a microcontroller and a plurality of key switches connected to the microcontroller. The microcontroller is configured to receive input instruction from the plurality of key switches and output a control signal according to the input instruction. The voltage regulating module is configured to receive the control signal and generate an output voltage with a voltage value associated with the control signal. The load adjusting module includes a motor coupled to the output voltage of the voltage regulating module. The motor is rotatable in opposite direction to adjust an output current of the PSU. A rotating speed of the motor is in direct proportion to the voltage value of the output voltage. | 09-26-2013 |
20130277036 | POWER SUPPLY TEST SYSTEM - A power supply test system for testing reliability of a power supply includes a test chamber, a temperature detecting unit, a control unit, a heating module, and a refrigerating module. The test chamber accommodates the power supply. The temperature detecting unit detects temperature signals in the test chamber. The control unit presets a predetermined temperature value and receives the temperature signals. The heating module receives a first control signal from the control unit when a value of the temperature signal is less than the predetermined temperature value. The heating module heats the test chamber. The refrigerating module receives a second control signal from the control unit when a value of the temperature signal is greater than the predetermined temperature value. The refrigerating module refrigerates the test chamber until the value of the temperature signal is equal to the predetermined temperature value. | 10-24-2013 |
20130292107 | POWER SUPPLY TEST SYSTEM - A power supply test system includes a test chamber, a switch module, a temperature detecting unit, a control module, and a refrigerating and heating module. The test chamber accommodates a power supply. The switch module inputs a predetermined temperature value. The temperature detecting unit detects temperature signals in the test chamber. The control module receives the temperature signals. The refrigerating and heating module receives a first control signal from the control unit when a value of the temperature signal is less than the predetermined temperature value. The refrigerating and heating module heats the test chamber. The refrigerating and heating module receives a second control signal from the control unit when a value of the temperature signal is greater than the predetermined temperature value. The refrigerating and heating module refrigerates the test chamber until the value of the temperature signal is equal to the predetermined temperature value. | 11-07-2013 |
20130308783 | NOISE LEVEL ALARM SYSTEM - A noise alarm system includes a sound gathering circuit, a amplifying circuit, a wave filtering circuit, a comparing circuit, and a alarm circuit. The sound gathering circuit gathers a sound signal. The sound signal includes a noise signal and other signals. The amplifying circuit amplifies the sound signal. The wave filtering circuit filters the other signals and output the noise signal. The comparing circuit has a reference voltage and outputs the noise signal to the alarm circuit after comparing the noise signal with the reference voltage. The alarm circuit switches on when the noise signal greater than the reference voltage. | 11-21-2013 |
20130314010 | FAN ROTATION SPEED CONTROL SYSTEM - An exemplary fan rotation speed control system for adjusting rotation speed of a fan includes a switch input module, a rotation speed control module, a signal collecting module, a decoding module, and a display module. The switch input module inputs a rotation speed signal in the rotation speed control module. The rotation speed control module outputs a first direct current (DC) voltage to provide power supply for the fan according to the rotation speed signal. The rotation speed control module adjusts values and directions of the first DC voltage according to the rotation speed signal. The signal collecting module collects rotation information of the fan. The rotation speed control module receives the rotation information and decodes the rotation information to rotation speed values by the decoding module which are displayed on the display module. | 11-28-2013 |
20130314955 | CONVERSION SYSTEM FOR MULTI DIRECT CURRENT VOLTAGE - A conversion system includes a transformer, a rectifier element, a filter circuit, a voltage regulator circuit, and a divider circuit. The voltage regulator circuit includes a first option switch, a first regulator, and a second regulator. The transformer outputs an AC voltage, and the rectifier element converts the AC voltage to a pulsating DC voltage. The filter circuit converts the pulsating DC voltage to a ripple DC voltage. The divider circuit outputs a first DC voltage of a constant positive value when the first option switch connects to the first regulator, and the divider circuit connects to the first regulator to control value of the first DC voltage value. The divider circuit outputs a second DC voltage of a constant negative value when the first option switch connects the second regulator, and the divider circuit is connected to the second regulator to control value of the second DC voltage. | 11-28-2013 |
20130314960 | DIRECT CURRENT VOLTAGE GENERATING APPARATUS - An exemplary direct current (DC) voltage generating apparatus for generating stable DC voltages includes a voltage conversion circuit, a voltage control circuit, and a voltage regulating circuit. The voltage conversion circuit receives an alternating current (AC) voltage, and converts the AC voltage to a first DC voltage. The voltage control circuit receives the first DC voltage, and converts the first DC voltage to a second DC voltage and a control signal. The voltage regulating circuit receives the control signal, and regulates the second DC voltage to a stable second DC voltage at the voltage control circuit according to the control signal. | 11-28-2013 |
20130322491 | WELDED THERMOCOUPLE TEST APPARATUS - A test apparatus for welded thermocouple joints includes a signal selection circuit, a first comparison circuit, a second comparison circuit, a switch circuit, and an indication circuit. The signal selection circuit outputs either a first direct current (DC) voltage or a second DC voltage according to selection. The first comparison circuit compares the first DC voltage with a first reference voltage if a first DC voltage is received, to output a first control signal. The second comparison circuit compares the second DC voltage with a second reference voltage if a second DC voltage is received, to output a second control signal. The switch circuit receives either a first or a second control signal and outputs an indication accordingly. The indication circuit receives the indication, and warns the user that the joint has full integrity, that the joint has a short circuit, or that the joint is open circuit. | 12-05-2013 |
20140175109 | AUTOMATIC VENDING MACHINE - A vending machine proofed against the pinching of a customer's fingers and with a security feature includes a cabinet, a receiving tray, a shielding board, and gear wheels. The cabinet includes a cabinet body and a door rotatably attached to the cabinet body. A number of merchandise shelves are located in the cabinet body. A through opening is defined in the door. The receiving tray is attached to an inside of the receiving tray and aligned with the through opening. The shielding board covers the through opening and is toothed to allow lowering for access by the customer to the bought merchandise when the internal drop of an item of merchandise is sensed and raising after the sensed removal of the item. | 06-26-2014 |
20140175111 | AUTOMATIC VENDING MACHINE - A vending machine which dispenses goods without risk of damage to the goods or the customer includes a cabinet, a receiving tray and a merchandise catch basket moveably received in the receiving tray. The cabinet includes a cabinet body and a door rotatably attached to the cabinet body. A number of merchandise shelves are located in the cabinet body and bought goods slide rather than drop into the catch basket. A first opening is defined in the door, and the receiving tray is attached to an inside of the door and the customer is prevented from interfering with or taking the bought goods until they are at rest in the merchandise catch basket which is moved out to be accessible to the customer. | 06-26-2014 |
20140183209 | AUTOMATIC VENDING MACHINE - An automatic vending machine includes a cabinet and a dispensing mechanism. The cabinet includes a top plate, two side plates, and a blocking plate. The two side plates are located on the top plate, and the blocking plate is located between the two side plates and parallel to the top plate and defines an opening. The dispensing mechanism is hanging on the top plate and comprises placing passages configured to receive products. One of the placing passages is staggered with the opening, and is rotatable relative to the blocking plate to align the opening, for the product to drop out of corresponding placing passage through the opening by gravity. | 07-03-2014 |
20140190984 | GOODS TRANSMISSION SYSTEM - A goods transmission system in a vending machine includes a vending cabinet and a goods output mechanism. A supporting plate with a cutout blocks goods from falling in the cabinet. The supporting plate bears against an upwardly-inclined bottom plate which, with separating plates, carries a plurality of goods. A plurality of first resisting brackets and a plurality of second resisting brackets on an endless toothed belt extend from the drive member and the drive member drives the plurality of first resisting brackets and the second resisting brackets around. The action of the first resisting brackets and the second resisting brackets push the plurality of goods to move on the supporting plate until one of the plurality of goods is pushed to being above the cutout and the item drops from the cutout for the customer. | 07-10-2014 |
20140191642 | CABINET OF AUTOMATIC VENDING MACHINE - A cabinet includes a cabinet body, a front door, and a drive assembly. The front door is secured to the cabinet body and includes a door body, a supporting rod, and a sliding member. The supporting rod is located on the door body, and the sliding member surrounds on the supporting rod. The drive assembly is attached to the cabinet body and connected to the sliding member. The door body is rotatable relative to the cabinet body between an open position and a closed position. The sliding member is slidable in a first direction along the supporting rod to push the door body from the closed position to the open position, and in a second direction opposite to the first direction to pull the door body from the open position to the closed position driven by the drive assembly. The door body is thereby open or closed automatically. | 07-10-2014 |
20140206235 | CONNECTOR ASSEMBLY - A connector assembly includes a first connector and a second connector. The first connector includes a receiving case. A contacting piece and a movable contacting point are received in the first connector. The contacting piece includes a stationary contacting point. The second connector includes a contacting strip. The second connector matches the first connector, so the contacting strip contacts the contacting piece and moves the movable contacting point to electrically connect to the stationary contacting point. | 07-24-2014 |
20140217114 | AUTOMATIC VENDING MACHINE WITH BUFFERING DEVICE - An automatic vending machine includes a cabinet, a transporting device secured to the cabinet, a driving device, and a buffering device moveable received in the transporting device. The cabinet comprises a bottom panel and a first passageway located above the bottom panel. The bottom panel defines an opening. The buffering device is engaged with the driving device and comprises a hollow box. The hollow box comprises an entrance and an exit opposite to the entrance and located on the bottom panel. The entrance is aligned with the first passageway. The buffering device is moveable relative to the bottom panel by the driving device in a direction that is substantially parallel to the bottom panel, so that the hollow box is removed from the first passage to align with the opening, for the first product to move out of the bottom panel. | 08-07-2014 |
20140217115 | AUTOMATIC VENDING MACHINE - An automatic vending machine includes a cabinet, a supporting tray secured to the cabinet, a number of transporting devices, and a number of driving devices. Each transporting device comprises a securing member secured to the supporting tray and a transporting belt secured to the securing member. A number of separating panels is located on the transporting belt. An accommodating space is defined between every two adjacent separating panels. Each driving device comprises an engaging post engaged with the transporting belt. The transporting belt is moveable by the engaging post to dispense a product received in the accommodating space. | 08-07-2014 |
20140251591 | COOLING SYSTEM - A cooling system includes a first detection module, a second detection module, a control module connected to the first detection module and the second detection module, and a fan connected to the control module. The first detection module is used to detect a first temperature value and input a first voltage value to the control module according to the first temperature value. The second detection module is used to detect a second temperature value and input a second voltage value to the control module according to the second temperature value. The control device is used to control the fan according to a difference value between the first voltage and the second voltage. | 09-11-2014 |
20140252022 | DISPENSING DEVICE IN VENDING MACHINE - A dispensing device includes a cabinet, a door, a catching assembly, and a driving assembly. The cabinet includes a plurality of product boxes for receiving products. The door is pivotably mounted to the cabinet. The catching assembly includes a catch portion, a shipping portion, and a connecting portion connected between the catch portion and the shipping portion; and the connecting portion defining a goods channel communicating with the catch portion, the shipping portion, and the receiving opening. The connecting portion is scalable in a vertical direction. The catch portion is slidable relative to the cabinet. The driving assembly is capable of driving the catch portion to slide to a selected product box of the plurality of product boxes to catch a corresponding product. | 09-11-2014 |
20140253095 | PHASE DETECTING SYSTEM FOR THREE PHASE ALTERNATING CURRENT - An alternating current phase detecting system includes a first arithmetic circuit, a second arithmetic circuit, and an inverted output module connected to the second arithmetic circuit. The first arithmetic circuit receives any first alternating current signal and the second arithmetic circuit receives a second alternating current signal. The first alternating current signal is converted to a first output signal and is output to the second arithmetic circuit. The second arithmetic circuit outputs a second output signal to the inverted output module which is fed by the second alternating current signal and the first output signal. The inverted output module obtains a phase value difference between the first alternating current signal and the second alternating current signal to establish 120 degree sequentiality between the two, or otherwise, to enable correct electrical connections to be made to a powered device. | 09-11-2014 |
20140260602 | WATER-LEVEL DETECTING SYSTEM AND WATER-LEVEL DETECTING METHOD - A water-level detecting system includes a water receiving module located in an electronic device, a first sliding rheostat, a varicap, a frequency-to-voltage converter, a comparing module, and an indicator module. The water receiving module includes a water tank, a floating block received in the water tank, and a connecting portion. The floating block is moved by the rising water level in the water tank to slide the first sliding rheostat. A voltage of the varicap is changeable when the first sliding rheostat slides, and a voltage of the frequency-to-voltage converter is changeable according to the voltage of the varicap. The comparing module compares the voltage of the frequency-to-voltage converter with a predetermined voltage, and the indicator module lights up when the voltage of the frequency-to-voltage converter is greater than the predetermined voltage. The disclosure further offers a water-level detecting method. | 09-18-2014 |
20140263388 | DELIVERY DETECTING SYSTEM AND DELIVERY DETECTING METHOD - A delivery detecting system includes a Schmidt trigger circuit for receiving a periodic signal, a differential circuit connected to the Schmidt trigger circuit, and a monostable circuit connected to the differential circuit. The Schmidt trigger circuit is used to convert the periodic signal to a first square signal. The differential circuit is used to convert the first square signal to a triangular signal. The monostable circuit is used to convert the triangular signal to a second square signal. The invention further offers a delivery detecting method. | 09-18-2014 |
20140266148 | COIN-LEVEL DETERMINATION SYSTEM FOR COIN BOX - A system for detecting the level of coins in a coin box of a vending machine includes a voltage output circuit, a coin detecting circuit, and an indication circuit. The voltage output circuit receives a DC voltage, and provides a stable reference voltage. The coin detecting circuit receives the stable reference voltage, and detects the resistance of the coins in the coin box on the basis that the aggregate of accumulated coins creates an electrical connection across the coin box in parallel with known-value resistors in the coin detecting circuit. An amplification of the reference voltage takes place and the indication circuit receives the amplified reference voltage, to indicate by display or otherwise that the coin box is filled with coins or is not yet filled with coins. | 09-18-2014 |
20140285031 | POWER ON/OFF CONTROL SYSTEM AND POWER ON/OFF CONTROL METHOD - A power on/off control system includes a microcontroller, a setting module connected to the microcontroller, a photoelectric coupler connected to the microcontroller, and a relay connected to the microcontroller. The setting module is used to set parameters, and the parameters include a power-on time and a power-off time. The relay is used to receive alternating current and connected to an electronic device. When the power-on time is ended, the microcontroller is used to send a power-off signal to the photoelectric coupler for turning on the relay, and the relay stops supplying power to the electronic device. When the power-off time is ended, the microcontroller is further configured to send a power-on signal to the photoelectric coupler for turning off the relay, to supply power for the electronic device. The disclosure further offers a power on/off control method. | 09-25-2014 |
20140285079 | VENDING MACHINE WITH DOOR PULL ASSEMBLY - A vending machine includes a cabinet; a door, a bar, and a puller. The door is rotatable relative to the cabinet. The bar is mounted to the door. The puller includes a cylinder and a rod. The cylinder is fixed to the cabinet. A joint is attached to one end of the rod. The joint is slidable on the bar. The cylinder can draw the rod. The rod can pull the door relative to the cabinet. | 09-25-2014 |
20140285081 | VENDING MACHINE - A vending machine includes a casing with an opening, a door assembly slidably attached to the casing, and a door opening/closing assembly. The door opening/closing assembly includes a mounting bracket attached to an inner wall of the casing, a gear rod slidably attached to the mounting bracket, and a driving device engaging with the gear rod. One end of the gear rod is secured to the door assembly. The driving device is capable of sliding the gear rod along the mounting bracket between a closed position, where the door assembly shields the opening, and an open position, where the door assembly is disengaged away from the opening for exposing the opening. | 09-25-2014 |
20140285346 | POWER SUPPLY DETECTING CIRCUIT FOR VENDING MACHINE - A power supply detecting circuit for detecting a power supply status of a controlling system of a vending machine, includes a port equipped on the controlling system, a power supply unit, an alarming unit, and a switch unit. The port outputs a high level voltage signal when a normal power is supplied to the controlling system. The power supply unit provides power to the alarming unit. The switch unit is connected between the alarming unit and ground. The switch unit is controlled by the port. The switch unit is turned off to switch off the alarming unit when the high level voltage signal is outputted from the port. The switch unit is turned on to switch on the alarming unit when the normal power is not supplied to controlling system and the high level voltage signal is not outputted from the port. | 09-25-2014 |
20140285351 | VOLTAGE DETECTING SYSTEM - A voltage detecting system is configured for detecting a voltage supplied to an electronic device. The voltage detecting system includes a voltage measuring circuit configured to measure the voltage, a voltage converting circuit electrically coupled to the voltage, and a voltage comparing circuit. The voltage measuring circuit has a first measuring range and a second measuring range that is wider than the first measuring range. The voltage converting circuit is capable of the converting the voltage to an output voltage according to a predetermined ratio. The voltage comparing circuit compares the output voltage with a reference voltage. If the output voltage is greater than the reference voltage, the voltage comparing circuit informs the voltage measuring circuit to select the second measuring range. If the output voltage is not greater than the reference voltage, the voltage comparing circuit informs the voltage measuring circuit to select the first measuring range. | 09-25-2014 |