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 |
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 |
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 |