# US 2014/0191853 A1 · Power control system > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2014/0191853 A1 - Document ID: US20140191853A1 - Status: Published application - Kind: A1 - Application number: 13/954,010 - Filed: 2013-07-30 - Published: 2014-07-10 - Earliest claimed: 2013-01-08 - Assignees: Wistron Corporation - Applicants: Wistron Corporation - Inventors: Jian-Ming Chen - Web page: https://patentgrep.com/patent/US20140191853A1 ## CPC - G08C 17/02: using a radio link - G06F 3/147: using display panels - G09G 5/00: Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators (image data processing or generation, in general G06T) - G09G 2330/021: Power management, e.g. power saving - G09G 2330/027: Arrangements or methods related to powering off a display - G08C: TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS (fluid pressure transmitting systems F15B; mechanical means for transferring the output of a sensing member into a different variable G01D5/00; mechanical control systems G05G) - G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N) - G09G: ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION (arrangements for transferring data between digital computers and displays G06F3/14; static indicating arrangements comprising an association of a number of separate sources or light control cells G09F9/00; static indicating arrangements comprising integral associations of a number of light sources H01J, H01K, H10H, H05B33/12; scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission, details thereof H04N1/00) ## Abstract A power control system includes an electronic device including a relay connected to a mains supply, a control circuit connected to the relay, and a receptive circuit connected to the control circuit, and a remote control device including a transmission circuit for transmitting a triggering signal to the receptive circuit. Upon receipt of the triggering signal from the receptive circuit, the control circuit generates, based on the triggering signal, a driving voltage sufficient for switching the relay from an off state to an on state to permit supply of electricity from the mains supply to the electronic device for driving operation thereof. ## Claims ### Claim 1 A power control system, comprising: an electronic device including a relay that is adapted to be electrically connected to a mains supply, a control circuit that is electrically connected to said relay, and a receptive circuit that is electrically connected to said control circuit, wherein said control circuit is capable of generating a driving voltage that is sufficient for switching said relay from an off state to an on state, such that said relay permits supply of electricity from the mains supply to said electronic device for driving operation thereof; and a remote control device including a transmission circuit that is capable of establishing a connection with said receptive circuit of said electronic device, said remote control device being operable to transmit via said transmission circuit a triggering signal to said receptive circuit; wherein upon receipt of the triggering signal via said receptive circuit, said control circuit generates the driving voltage based on the triggering signal. ### Claim 2 (depends on 1) The power control system of claim 1, wherein said relay is one of a photo relay, an electromagnetic relay, a sensory relay, an electromechanical relay, an electronic relay and a thermal relay. ### Claim 3 (depends on 1) The power control system of claim 1, wherein the driving voltage generated by said control circuit is further sufficient for switching said relay from the on state to the off state, such that said relay prevents supply of the electricity from the mains supply to said electronic device for ceasing operation thereof. ### Claim 4 (depends on 1) The power control system of claim 1, wherein said electronic device further includes a storing circuit that is electrically connected to said control circuit, and that records a current state of said relay. ### Claim 5 (depends on 4) The power control system of claim 4, wherein said electronic device further includes a power board that is provided with said relay, and a main board that is provided with said control circuit, said receptive circuit and said storing circuit. ### Claim 6 (depends on 1) The power control system of claim 1, wherein said electronic device further includes a power board that is provided with said relay, said control circuit and said receptive circuit. ### Claim 7 (depends on 1) The power control system of claim 1, wherein said remote control device further includes a storing circuit for recording a current state of said relay, said remote control device transmitting via said transmission circuit both the triggering signal and the current state of said relay to said receptive circuit. ### Claim 8 (depends on 1) The power control system of claim 1, wherein said transmission circuit establishes the connection with said receptive circuit using one of Radio frequency identification (RFID), Wireless fidelity (Wi-Fi) and Bluetooth. ### Claim 9 A power control system, comprising: an electronic device including a relay that is adapted to be electrically connected to a mains supply, a control circuit that is electrically connected to said relay, and a receptive circuit that is electrically connected to said control circuit; and a remote control device including a transmission circuit that is capable of establishing a connection with said receptive circuit, said remote control device being operable to transmit via said transmission circuit an electrical signal to said receptive circuit; wherein upon receipt of the electrical signal from said receptive circuit, said control circuit generates a driving voltage based on the electrical signal to control said relay to switch between off and on states so as to switch said electronic device between a power interruption mode, where said electronic device is electrically isolated from the mains supply by said relay, and an operation mode, where said electronic device receives electricity from the mains supply through said relay. ### Claim 10 (depends on 9) The power control system of claim 9, wherein said electronic device further includes a storing circuit that is electrically connected to said control circuit, and that records a current state of said relay. ### Claim 11 (depends on 10) The power control system of claim 10, wherein said electronic device further includes a power board that is provided with said relay, and a main board that is provided with said control circuit, said receptive circuit and said storing circuit. ### Claim 12 (depends on 9) The power control system of claim 9, wherein said electronic device further includes a power board that is provided with said relay, said control circuit and said receptive circuit. ### Claim 13 (depends on 9) The power control system of claim 9, wherein said remote control device further includes a storing circuit for recording a current state of said relay, said remote control device transmitting via said transmission circuit both the triggering signal and the current state of said relay to said receptive circuit. ### Claim 14 (depends on 9) The power control system of claim 9, wherein said transmission circuit transmits the electrical signal using one of Radio frequency identification (RFID), Wireless fidelity (Wi-Fi) and Bluetooth. ### Claim 15 (depends on 9) The power control system of claim 9, wherein said relay is one of a photo relay, an electromagnetic relay, a sensory relay, an electromechanical relay, an electronic relay and a thermal relay.