IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0458451
(2012-04-27)
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등록번호 |
US-8477830
(2013-07-02)
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발명자
/ 주소 |
- Myers, Theodore J.
- Werner, Daniel Thomas
- Sinsuan, Kenneth C.
- Wilson, Jason Ronald
- Reuland, Shawn Louis
- Singler, Patrick M.
- Huovila, Michael Jason
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출원인 / 주소 |
|
대리인 / 주소 |
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인용정보 |
피인용 횟수 :
12 인용 특허 :
159 |
초록
▼
Methods, systems, and apparatuses, including computer programs encoded on computer-readable media, for receiving monitor data from a lighting equipment monitor. 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 plur
Methods, systems, and apparatuses, including computer programs encoded on computer-readable media, for receiving monitor data from a lighting equipment monitor. 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. A frequency offset to the spread data stream based at least in part on a timing of the access point is applied. The spread data stream is transmitted with a randomly selected timing offset.
대표청구항
▼
1. A method of monitoring lighting equipment, the method comprising: receiving, at a processor, monitor data from a lighting equipment monitor;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 pl
1. A method of monitoring lighting equipment, the method comprising: receiving, at a processor, monitor data from a lighting equipment monitor;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 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 from a remote node at a second time based on the slot time and a second randomly selected timing offset. 2. The method of claim 1, further comprising: determining a light is not functioning properly based upon the monitor data; andinitiating a transmission of the spread data stream based upon the determination that the light is not functioning properly. 3. The method of claim 1, wherein the lighting equipment monitor monitors an obstruction light. 4. The method of claim 1, wherein the monitor data comprises data representing a voltage or a current used to power a light. 5. The method of claim 1, further comprising receiving, from the access point, a monitor read schedule. 6. The method of claim 5, 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. 9. The method of claim 8, wherein transmitting the monitor data is based upon the received transmission schedule. 10. 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. 11. 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. 12. The method of claim 1, wherein the common PN code comprises a gold code. 13. A lighting equipment monitor comprising: a monitor configured to: monitor lighting equipment; andprovide monitor data based upon the monitoring of the lighting equipment; 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 first 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 time and the 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 from a remote node at a second time based on the slot time and a second randomly selected timing offset. 14. The lighting equipment monitor of claim 13, further comprising a processor configured to: determine a light is not functioning properly based upon the monitor data; andinitiate a transmission of the spread data stream based upon the determination that the light is not functioning properly. 15. The lighting equipment monitor of claim 13, wherein the monitor monitors an obstruction light. 16. The lighting equipment monitor of claim 13, wherein the monitor data comprises data representing a voltage or a current used to power a light. 17. The lighting equipment monitor of claim 13, wherein the lighting equipment monitor is located below ground. 18. The lighting equipment monitor of claim 13, 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. 19. The lighting equipment monitor of claim 13, wherein the first randomly selected timing offset is between zero and a spreading factor used to spread the data stream minus one. 20. The lighting equipment monitor of claim 13, 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.
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