# US 10,503,242 B2 · Power supply method, apparatus, and system > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,503,242 B2 - Document ID: US10503242B2 - Status: Granted - Kind: B2 - Application number: 15/322,903 - Filed: 2014-10-20 - Published: 2017-08-03 - Granted: 2019-12-10 - Earliest claimed: 2014-06-30 - Assignees: Zte Corporation - Applicants: Zte Corporation - Inventors: Xiaojun Wang - Web page: https://patentgrep.com/patent/US10503242B2 ## CPC - G06F 1/3287: by switching off individual functional units in the computer system - G06F 1/266: {Arrangements to supply power to external peripherals either directly from the computer or under computer control, e.g. supply of power through the communication port, computer controlled power-strips} - G06F 1/3296: by lowering the supply or operating voltage - H04L 12/10: Current supply arrangements - H04L 12/12: Arrangements for remote connection or disconnection of substations or of equipment thereof - H04L 12/2885: {Arrangements interfacing with optical systems (optical network equipment H04B10/00; optical multiplexers H04J14/05 and H04J14/07)} - G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N) - H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M) ## Abstract Disclosed are a power supply method, device and system. The method includes that: a working state of a terminal in a home network is detected, herein, the terminal accesses the home network through a coaxial cable; and power supply to optical access equipment is controlled according to the working state, herein, the optical access equipment is arranged to implement access of a passive optical fiber network to the home network. ## Claims ### Claim 1 A power supply method, comprising: detecting, by a supply device, a working state of a terminal in a home network, wherein the terminal accesses the home network through a coaxial cable; and controlling, by the supply device, power supply to an optical access equipment according to the working state, wherein the optical access equipment is arranged to implement access of a passive optical fiber network to the home network; wherein after controlling power supply to the optical access equipment, the method further comprises: separating a Radio Frequency communication signal from a voltage signal for power supply to the optical access equipment and/or the terminal by high-pass filtering, wherein the Radio Frequency communication signal is a data communication signal for the optical access equipment and the terminal; wherein the power supply device is capable of providing forward power supply to the terminal and providing reverse power supply to the optical access equipment; wherein when the working state indicates power-on of the terminal or registration of the terminal, controlling power supply to the optical access equipment according to the working state comprises: starting reverse power supply to the optical access equipment; and when the working state indicates dormancy of the terminal or power-off of the terminal, controlling power supply to the optical access equipment according to the working state comprises: terminating reverse power supply to the optical access equipment. ### Claim 2 (depends on 1) The method according to claim 1, wherein the working state comprises at least one of the following: power-on of the terminal, registration of the terminal, dormancy of the terminal and power-off of the terminal. ### Claim 3 (depends on 1) The method according to claim 1, wherein after detecting the working state of the terminal in the home network, the method further comprises: receiving a triggering instruction of a user; and controlling power supply to the terminal according to the working state under triggering by the triggering instruction. ### Claim 4 (depends on 3) The method according to claim 3, wherein, processes of controlling power supply to the terminal and controlling power supply to the optical access equipment are mutually independent. ### Claim 5 (depends on 4) The method according to claim 4, wherein mutual independence of the process for controlling power supply to the terminal and the process for controlling power supply to the optical access equipment is implemented in a following manner: controlling power supply to the optical access equipment through a first branch circuit; and controlling power supply to the terminal through a second branch circuit, wherein the first branch circuit and the second branch circuit are two branch circuits of a voltage division circuit. ### Claim 6 A power supply device, comprising: a computer; and a non-transitory computer readable storage medium storing instructions that, when executed by the computer, cause the computer to perform steps comprising: detecting a working state of a terminal in a home network, wherein the terminal accesses the home network through a coaxial cable; controlling power supply to an optical access equipment according to the working state, wherein the optical access equipment is arranged to implement access of a passive optical fiber network to the home network; and separating a Radio Frequency communication signal from a voltage signal for power supply to the optical access equipment and/or the terminal by high-pass filtering, wherein the Radio Frequency communication signal is a data communication signal for the optical access equipment and the terminal; wherein the power supply device is capable of providing forward power supply to the terminal and providing reverse power supply to the optical access equipment; wherein the steps further comprise: when the working state indicates power-on of the terminal or registration of the terminal, starting reverse power supply to the optical access equipment; and when the working state indicates dormancy of the terminal or power-off of the terminal, terminating reverse power supply to the optical access equipment. ### Claim 7 (depends on 6) The device according to claim 6, wherein the steps further comprise detecting the working state of the terminal in the home network when the working state comprises at least one of the following: power-on of the terminal, registration of the terminal, dormancy of the terminal and power-off of the terminal. ### Claim 8 (depends on 6) The device according to claim 6, wherein the steps further comprise: receiving a triggering instruction of a user; and controlling power supply to terminal equipment according to the working state under triggering by the triggering instruction. ### Claim 9 A power supply system, comprising optical access equipment and a home network terminal, and further comprising: a reverse power supply device, connected between the optical access equipment and the home network terminal and arranged to detect a working state of the home network terminal in a home network and control power supply to the optical access equipment according to the working state, wherein the home network terminal accesses the home network through a coaxial cable, and the optical access equipment is arranged to implement access of a passive optical fiber network to the home network; wherein the reverse power supply device separates a Radio Frequency communication signal from a voltage signal for power supply to the optical access equipment and/or the home network terminal by high-pass filtering, wherein the Radio Frequency communication signal is a data communication signal for the optical access equipment and the home network terminal; wherein the reverse power supply device is capable of providing forward power supply to the home network terminal and providing reverse power supply to the optical access equipment; wherein when the working state indicates power-on of the home network terminal or registration of the home network terminal, the reverse power supply device starts reverse power supply to the optical access equipment; and when the working state indicates dormancy of the home network terminal or power-off of the home network terminal, the reverse power supply device terminates reverse power supply to the optical access equipment.