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Jianning
Jianning Sun, Shenzhen CN
| Patent application number | Description | Published |
|---|---|---|
| 20120153855 | CIRCUIT OF LED DRIVING POWER, DRIVING POWER AND LIGHTING DEVICE - The present invention is adapted for the field of power supply and provides a circuit of LED driving power, LED driving power and LED lighting device, the circuit of LED driving power comprises a over-voltage protection unit, a AC input filter unit, a full-wave rectifier unit and a single-stage power conversion unit, where the single-stage power conversion unit comprises an auxiliary power supply circuit, a switching circuit and a control unit in which the auxiliary power supply circuit is used to provide auxiliary power supply for single power conversion stage, the switching circuit is used to control DC output by switching on and switching off and the control unit is used to control time point of turning on and turning off dynamically based on the information collected. The present invention can improve the overall efficiency of the LED driving power by controlling switching circuit dynamically in single-stage power conversion unit. | 06-21-2012 |
Jianning Wu, Shenzhen City CN
| Patent application number | Description | Published |
|---|---|---|
| 20120294188 | Wireless Data Card, Method and System for Communicating between Wireless Data Card and Computer Side - The present invention discloses a wireless data card, and a method and system for communicating between the wireless data card and computer side, and relates to communication field. The method of the present invention includes: the wireless data card installing a wireless data card driver with connection management function into a computer when the wireless data card is connected with the computer; and the computer interacting with the wireless data card through the installed wireless data card driver with the connection management function. The technical scheme of the present invention completes the interaction with the wireless data card board side controlling program in the wireless data card driver, thus avoiding the disadvantage that the wireless data cards of the different manufacturers cannot be universal due to the different connection managers. | 11-22-2012 |
Jianning Wu, Shenzhen CN
| Patent application number | Description | Published |
|---|---|---|
| 20120304227 | Internet Protocol Television System and Implementation Method Thereof - An Internet Protocol Television (IPTV) system and an implementation method thereof are disclosed. The method includes: installing a wireless data card in a television Set Top Box (STB) device through a personal computer (PC), establishing a connection with the STB device, and starting the wireless data card to wirelessly access to the IPTV network; accessing to the IPTV network resources through the PC or the STB device, implementing the IPTV service. This solution realizes that the IPTV user terminal device can access to the network wirelessly so that the IPTV terminal device have mobility in space, thus extending the application scenarios of the IPTV system. | 11-29-2012 |
Jianning Yang, Shenzhen CN
| Patent application number | Description | Published |
|---|---|---|
| 20120320643 | SNUBBER CIRCUIT AND INVERTER WITH THE SAME - An inverter may include an inversion unit for converting a direct current bus voltage into an alternating current voltage, a first snubber unit, and a second snubber unit. The inversion unit may include a first external switch, a first internal switch, a second internal switch, and a second external switch which are connected in series in order between a direct current bus positive voltage terminal and a direct current bus negative voltage terminal. The first snubber unit may be connected between the direct current bus negative voltage terminal and the first internal switch for suppressing voltage stress of the first internal switch. The second snubber unit may be connected between the direct current bus positive voltage terminal and the second internal switch for suppressing voltage stress of the second internal switch. | 12-20-2012 |