[특허]Solar-powered wireless crosswalk warning system

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	G08G-001/095
출원번호	US-0995264 (2004-11-24)
등록번호	US-7317405 (2008-01-08)
발명자 / 주소	Green,David Robin Ward,Jim Wyper,Neil
출원인 / 주소	Carmanah Technologies Corporation
대리인 / 주소	Smith,Paul
인용정보	피인용 횟수 : 13 인용 특허 : 54

초록 ▼

A solar-powered crosswalk warning system is disclosed. The crosswalk warning system comprises two or more crosswalk warning beacons, located on opposite sides of the road. Each beacon comprises a solar panel to recharge a battery, a battery back, a control unit to charge the battery pack during dayl

A solar-powered crosswalk warning system is disclosed. The crosswalk warning system comprises two or more crosswalk warning beacons, located on opposite sides of the road. Each beacon comprises a solar panel to recharge a battery, a battery back, a control unit to charge the battery pack during daylight hours, a communication unit to communicate to the second crosswalk beacon, a traffic signal lamp ton warn oncoming traffic, and a triggering means by which the pedestrian can activate the beacons.

대표청구항 ▼

What is claimed is: 1. A crosswalk warning assembly comprising: a battery; a solar panel to charge said battery; a communication system adapted to transmit data to a similar companion crosswalk warning assembly and receive data from said similar companion crosswalk warning assembly; a warning light

What is claimed is: 1. A crosswalk warning assembly comprising: a battery; a solar panel to charge said battery; a communication system adapted to transmit data to a similar companion crosswalk warning assembly and receive data from said similar companion crosswalk warning assembly; a warning light to signal oncoming traffic; and a manual triggering means for activating said communication system and said warning light. 2. The crosswalk assembly of claim 1 wherein said communication system and said warning light are powered by said battery. 3. The crosswalk assembly of claim 2 further comprising a control unit to manage the charging of said battery from the output of said solar panel. 4. The crosswalk assembly of claim 1 wherein said communication system is adapted to respond to activation of said manual triggering means by communicating with a similar companion crosswalk assembly. 5. The crosswalk assembly of claim 4 wherein said communication system is wireless and comprises radio receiver and transmitter means. 6. The crosswalk assembly of claim 5, further comprising a power management control unit to manage the charging of said battery from the output of said solar panel, wherein said power management control unit, said warning light and said communication system are powered by said battery. 7. The crosswalk assembly of claim 4 further comprising software for coordinating the operation of said warning light of said crosswalk assembly with the operation of a warning light of a similar companion crosswalk assembly. 8. The crosswalk assembly of claim 6 further comprising software for synchronizing the operation of said warning light of said crosswalk assembly with the operation of a warning light of a similar companion crosswalk assembly. 9. The crosswalk assembly of claim 8 wherein said software controls a feature of said operation from among the set of features comprising the timing of the flashing of the warning light, the duration of the operation of the warning light and delays between uses. 10. The crosswalk assembly of claim 2 further comprising a housing containing said communication system and said battery, said housing also supporting said solar panel. 11. The crosswalk assembly of claim 10 wherein said housing is pivotable about a horizontal axis. 12. The crosswalk assembly of claim 11 wherein said housing is pivotable about a vertical axis. 13. The crosswalk assembly of claim 10, 11 or 12 wherein said solar panel is protected from the elements by being encased in a layer of clear polymer. 14. The crosswalk assembly of claim 8 wherein activation of said triggering means causes said radio receiver and transmitter means to enter into transmit-only mode for a predetermined time. 15. The crosswalk assembly of claim 8 wherein receipt by said radio receiver and transmitter means of a master timing beacon causes said radio receiver and transmitter means to enter into receive-only mode for a predetermined time. 16. The crosswalk assembly of claim 15 wherein said control unit causes said warning light to illuminate each time a signal is received by said radio receiver and transmitter means indicating that a warning light on a similar companion crosswalk assembly has turned on or off. 17. A multiple crosswalk assembly system comprising three crosswalk assemblies as in claim 1, one of said crosswalk assemblies being located in the middle of a crosswalk and mounted on a post or suspended from overhead wires. 18. A crosswalk assembly comprising: a battery; a solar panel to charge said battery; a communication system adapted to transmit data to a similar companion crosswalk warning assembly and receive data from said similar companion crosswalk warning assembly; a warning light to signal oncoming traffic; and remote manual triggering and transmitting means for communicating to said communication system an activation of said manual triggering means. 19. The crosswalk warning assembly of claim 8 wherein said control unit is adapted to monitor said communication system for receipt of a signal indicating that the crosswalk warning assembly is to be remotely programmed. 20. The crosswalk warning assembly of claim 9 wherein said software is programmed to cause said warning lights to flash at specified hours for a specified period of time.

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이 특허에 인용된 특허 (54) 인용/피인용 타임라인 분석

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Anderson A. Jerome (Newbury Park CA) Beze Norman L. (Simi Valley CA), Method of fabricating photovoltaic module.
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Witte, Edward; Wilkerson, Glenn, Traffic signal devices and methods of using the same.
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Witte, Edward; Wilkerson, Glenn, Traffic signal devices and methods of using the same.
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[미국특허] Solar-powered wireless crosswalk warning system 원문보기

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