IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
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출원번호 |
US-0935364
(2013-07-03)
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등록번호 |
US-8817845
(2014-08-26)
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발명자
/ 주소 |
- Sinsuan, Kenneth C.
- Myers, Theodore J.
- Cohen, Lewis N.
- Werner, Daniel Thomas
- Hughes, Matthew
- Boesel, Robert W.
- Singler, Patrick M.
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출원인 / 주소 |
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대리인 / 주소 |
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인용정보 |
피인용 횟수 :
0 인용 특허 :
190 |
초록
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Methods, systems, and apparatuses, including computer programs encoded on computer-readable media, are configured for receiving monitor data from a smart transformer. A data stream is created based upon the monitor data. The data stream is spread with a common pseudo-noise (PN) code that is used by
Methods, systems, and apparatuses, including computer programs encoded on computer-readable media, are configured for receiving monitor data from a smart transformer. A data stream is created based upon the monitor data. The data stream is spread with a common pseudo-noise (PN) code that is used by a plurality of nodes in communication with an access point. The spread data stream is transmitted at a first time based on a slot start time and a first randomly selected timing offset. The spread data stream is transmitted while at least a portion of a second spread data stream is transmitted at a second time based on the slot start time and a second randomly selected timing offset. The second spread data stream is spread with the common PN code.
대표청구항
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1. A method of monitoring electrical equipment, the method comprising: receiving, at a processor, monitor data from a smart transformer;creating a data stream based upon the monitor data;spreading the data stream with a common pseudo-noise (PN) code, wherein the common PN code is used by a plurality
1. A method of monitoring electrical equipment, the method comprising: receiving, at a processor, monitor data from a smart transformer;creating a data stream based upon the monitor data;spreading the data stream with a common pseudo-noise (PN) code, wherein the common PN code is used by a plurality of nodes in communication with an access point; andtransmitting the spread data stream at a first time based on a slot start time and a first randomly selected timing offset, wherein the spread data stream is transmitted while at least a portion of a second spread data stream is transmitted, wherein the second spread data stream is spread with the common PN code, and wherein the second spread data stream is transmitted at a second time based on the slot start time and a second randomly selected timing offset. 2. The method of claim 1, further comprising: detecting a transmission event based on the monitor data, wherein the transmission event is one of an over voltage condition, a voltage sag, a current limit, or a power factor limit; andinitiating a transmission of the spread data stream based upon the detecting of the transmission event. 3. The method of claim 1, wherein the monitor data comprises data representing voltage, minimum voltage over a time period, maximum voltage over a time period, current, surges, swells, insulation, aging, cooling equipment, temperature, or lightning arrestor status. 4. The method of claim 1, further comprising: determining tampering of the smart transformer; andinitiating a transmission of the spread data stream based upon the determination of tampering. 5. The method of claim 1, further comprising: receiving a first command to shutdown the electrical equipment; andsending a second command to the electrical equipment to shutdown. 6. The method of claim 1, further comprising receiving, from the access point, a monitor read schedule, wherein receiving the monitor data is based upon the received monitor read schedule. 7. The method of claim 1, wherein transmitting the spread data stream is based upon a transmission schedule. 8. The method of claim 1, further comprising receiving, from the access point, a transmission schedule, wherein transmitting the monitor data is based upon the received transmission schedule. 9. The method of claim 1, wherein the first randomly selected timing offset is between zero and a spreading factor used to spread the data stream minus one. 10. The method of claim 1, further comprising retransmitting the spread data stream with a third randomly selected timing offset if an acknowledgement is not received within a predetermined time period. 11. The method of claim 1, wherein the common PN code comprises a gold code. 12. A smart transformer comprising: a monitor configured to: monitor electrical equipment; andprovide monitor data based upon the monitoring of the circuit; anda transmit apparatus comprising: a pseudo-noise (PN) spreader configured to receive a data stream comprising the monitor data and spread the data stream with a common PN code, wherein the common PN code is used by a plurality of nodes in communication with an access point;a delay module configured to generate a randomly selected timing offset for the spread data stream; anda transmitter configured to transmit the spread data stream at a first time based on a slot start time and a first randomly selected timing offset, wherein the spread data stream is transmitted while at least a portion of a second spread data stream is transmitted, wherein the second spread data stream is spread with the common PN code, and wherein the second spread data stream is transmitted at a second time based on the slot start time and a second randomly selected timing offset. 13. The smart transformer of claim 12, further comprising a processor configured to: detect a transmission event based on the monitor data, wherein the transmission event is one of an over voltage condition, a voltage sag, a current limit, or a power factor limit; andinitiate a transmission of the spread data stream based upon the detected transmission event. 14. The smart transformer of claim 12, wherein the monitor data comprises data representing voltage, minimum voltage over a time period, maximum voltage over a time period, current, surges, swells, insulation, aging, cooling equipment, temperature, or lightning arrestor status. 15. The smart transformer of claim 12, further comprising a processor configured to: determine tampering of the smart transformer; andinitiate a transmission of the spread data stream based upon the determination of tampering. 16. The smart transformer of claim 12, further comprising a processor configured to: receive a first command to shutdown the smart transformer; andsend a second command to the smart transformer to shutdown. 17. The smart transformer of claim 12, further comprising a receiver configured to receive, from the access point, a monitor read schedule, wherein the monitor provides the monitor data based upon the monitor read schedule. 18. The smart transformer of claim 12, wherein the first randomly selected timing offset is between zero and a spreading factor used to spread the data stream minus one. 19. The smart transformer of claim 12, wherein the transmitter is further configured to retransmit the spread data stream with a third randomly selected timing offset provided by the delay module if an acknowledgement is not received within a predetermined time period. 20. The smart transformer of claim 12, wherein the common PN code comprises a gold code.
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