[특허]Data communication over power lines

Data communication over power lines 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	H04K-001/10 H04B-003/54
출원번호	US-0810204 (2015-07-27)
등록번호	US-9998173 (2018-06-12)
발명자 / 주소	Bonicatto, Damian G. Olson, Verne J. Wolter, Chad K. Flen, Rolf J.
출원인 / 주소	Landis+Gyr Technologies, LLC
대리인 / 주소	Crawford Maunu PLLC
인용정보	피인용 횟수 : 0 인용 특허 : 62

초록 ▼

A system for receiving and processing signals received from a plurality of endpoints. Each endpoint includes an endpoint transmitter in electrical communication with a power distribution line within a power distribution system. The system comprises a power line coupler. A substation receiver is in electrical communication with the power line coupler. A substation circuit is in electrical communication with the substation transceiver. The substation circuit is configured to simultaneously demodulate signals received from the plurality of different endpoints.

대표청구항 ▼

1. A system for receiving and processing a plurality of signals received from a plurality of different customer-based endpoints within a three-phase power distribution system, the three-phase power distribution system comprising: the plurality of different customer-based endpoints respectively located at customer sites in an area served by at least one power distribution substation, each endpoint of the plurality of different customer-based endpoints including an endpoint transmitter in an electrical communication with power distribution lines within the three-phase power distribution systema three-phase power line coupler;a substation receiver in the electrical communication with the three-phase power line coupler; anda substation circuit in the electrical communication with the substation receiver, the substation circuit configured to simultaneously demodulate the plurality of signals concurrently received from the plurality of different customer-based endpoints by separating a channel on the power distribution lines carrying the plurality of signals into respective signal processing signal paths associated with different ones of the plurality of different customer-based endpoints which are configured to be located at the customer sites, each of the respective signal processing signal paths having a different respective bandwidth. 2. The system of claim 1 wherein the substation circuit is part of the power distribution substation located remotely from facilities at which the plurality of customer-based endpoints are situated;power is provided to the plurality of customer-based endpoints from the power distribution substation via the power distribution lines, and wherein the substation circuit is programmed to demodulate the plurality of signals using frequency shift keying;each of the power distribution lines including a respective conductor of a plurality of conductors for each of a plurality of three phase power line couplers; andthe substation receiver is configured to receive respective signals from the different ones of the plurality of different customer-based endpoints over different ones of the conductors. 3. The system of claim 2 wherein the substation circuit is programmed to demodulate the plurality of signals within the range of about 970 Hz to about 1006 Hz. 4. The system of claim 3 wherein each signal of the plurality of signals has a bandwidth of about 10 MHz or less. 5. The system of claim 4 wherein said each signal of the plurality of signals has a bandwidth of 4 MHz. 6. The system of claim 2 wherein the substation circuit is programmed to simultaneously demodulate up to 9000 signals, each signal of the 9000 signals being from a different customer-based endpoint. 7. The system of claim 1 wherein the substation circuit includes a digital signal processor programmed to simultaneously demodulate the plurality of signals received from the endpoint transmitter. 8. The system of claim 1 wherein the substation receiver simultaneously receives signals from respective transceivers in the plurality customer-based endpoints. 9. The system of claim 1 wherein the three-phase power line coupler is in the electrical communication with a power distribution line of the power distribution lines within the power distribution system, the power distribution system further comprising one or more of the customer-based endpoints in the electrical communication within the power distribution system, each endpoint including: an endpoint circuit configured to generate data; andthe endpoint transmitter in the electrical communication with the endpoint circuit and the power distribution line within the power distribution system, said each endpoint configured to generate a modulated signal embodying the modulated signal, to modulate the data using frequency shift keying, and to transmit the modulated signal onto the power distribution line. 10. The system of claim 9 wherein: the endpoint circuit includes an automated meter reading device, the automated meter reading device being interfaced with an electrical meter; andthe data includes a quantity of electrical power measured by the electrical meter. 11. The system of claim 9 wherein the endpoint transmitter is integrally formed in a customer-based endpoint of said one or more of the customer-based endpoints. 12. A method of processing a plurality of signals received from a plurality of different customer-based endpoints, the method comprising: respectively locating at customer sites in an area served by at least one power distribution substation, each endpoint including an endpoint transmitter in electrical communication with power distribution lines;concurrently receiving the plurality of signals from a power distribution line of the power distribution lines, each signal of the plurality of signals corresponding to a different frequency bandwidth; anddemodulating the plurality of signals by separating a channel on the power distribution lines carrying the plurality of signals into respective signal processing signal paths associated with different ones of the plurality of different customer-based endpoints which are configured to be located at the customer sites, each of the respective signal processing signal paths having a respective different frequency bandwidth. 13. The method of claim 12 wherein said demodulating the plurality of signals includes demodulating said each of the signals using frequency shift keying, and wherein the different frequency bandwidth is predetermined frequency bandwidth. 14. The method of claim 13 wherein obtaining the plurality of signals from the power distribution line includes obtaining up to 9000 signals. 15. The method of claim 12, wherein the power distribution line is a three-phases power distribution line having a respective conductor for each of the three phases, and further comprising simultaneously receiving the plurality of signals from said each of the endpoints; and mitigating signal bleed in transmitting of a control signal to the plurality of different customer-based endpoints by transmitting the control signal over each of a plurality of conductors for the three phases with a different phase. 16. A system for receiving and processing a plurality of signals received from a plurality of different customer-based endpoints respectively located at customer sites in an area served by at least one power distribution substation, each endpoint including an endpoint transmitter in an electrical communication with power distribution lines within a three-phase power distribution system, the power distribution system comprising: a three-phase power line coupler including a three-phase power-line transformer respectively coupling power to a line of the power distribution lines, the line of the power distribution lines having a respective conductor for each of three phases of the three-phase power line coupler;an interface for communicating data with a utility central office;a substation receiver in the electrical communication with the three-phase power line coupler; anda substation circuit in the electrical communication with the substation receiver, the substation circuit configured tosimultaneously demodulate the plurality of signals concurrently received from the plurality of different customer-based endpoints by separating a channel on the power distribution lines carrying the plurality of signals into respective signal processing signal paths associated with different ones of the plurality of different customer-based endpoints; andmitigate signal bleed in transmitting of a control signal to the plurality of different customer-based endpoints by transmitting the control signal over each of a plurality of conductors for the three phases of the three-phase power line coupler with a different phase. 17. The method of claim 12 wherein obtaining the plurality of signals from the power distribution line includes obtaining the plurality of signals within a frequency range from about 970 Hz to about 1006 Hz. 18. The method of claim 17 wherein said obtaining the plurality of signals from the power distribution line further includes obtaining the plurality of signals, said each of the plurality of signals having a bandwidth of about 10 MHz or less. 19. The method of claim 12 wherein obtaining the plurality of signals from the power distribution line includes obtaining the plurality of signals, said each of the plurality of signals having a bandwidth of about 4 MHz. 20. The system of claim 16, wherein the substation circuit is further configured to transmit the control signal by transmitting three control signals separated from each other in phase by 120 degrees over respective ones of the conductors. 21. The system of claim 16, wherein the substation receiver is configured and arranged to receive the control signal transmitted by the substation circuit via the power distribution lines; and the substation receiver is configured and arranged to record the control signal. 22. The system of claim 16, wherein for said each of the conductors, the substation receiver has a respective input terminal set connected to the respective conductor by a respective current path through a respective first current transformer and a respective second current transformer.

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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

내보내기 구분	파일저장 인쇄 메일전송
구성항목	기본정보 상세정보 관리번호, 국가코드, 자료구분, 상태, 출원번호, 출원일자, 공개번호, 공개일자, 등록번호, 등록일자, 발명명칭(한글), 발명명칭(영문), 출원인(한글), 출원인(영문), 출원인코드, 대표IPC 관리번호, 국가코드, 자료구분, 상태, 출원번호, 출원일자, 공개번호, 공개일자, 공고번호, 공고일자, 등록번호, 등록일자, 발명명칭(한글), 발명명칭(영문), 출원인(한글), 출원인(영문), 출원인코드, 대표출원인, 출원인국적, 출원인주소, 발명자, 발명자E, 발명자코드, 발명자주소, 발명자 우편번호, 발명자국적, 대표IPC, IPC코드, 요약, 미국특허분류, 대리인주소, 대리인코드, 대리인(한글), 대리인(영문), 국제공개일자, 국제공개번호, 국제출원일자, 국제출원번호, 우선권, 우선권주장일, 우선권국가, 우선권출원번호, 원출원일자, 원출원번호, 지정국, Citing Patents, Cited Patents
저장형식	Text(ASCII format) Excel format PIAS분석(.xls)
메일정보	받는사람 (필수) @ 보내는사람 (선택) @ 제목 내용 KISTI 검색결과 이메일 서비스
안내	총 건의 자료가 검색되었습니다. 다운받으실 자료의 인덱스를 입력하세요. (1-10,000) 검색결과의 순서대로 최대 10,000건 까지 다운로드가 가능합니다. 데이타가 많을 경우 속도가 느려질 수 있습니다.(최대 2~3분 소요) 다운로드 파일은 UTF-8 형태로 저장됩니다. 파일의 내용이 제대로 보이지 않을실 때는 웹브라우저 상단의 보기 -> 인코딩 -> 자동선택 여부를 확인하십시오. ~ Text(ASCII format) Excel format

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Data communication over power lines 원문보기

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Data communication over power lines 원문보기

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