[특허]Data telemetry system using diffused infrared light

[미국특허] Data telemetry system using diffused infrared light 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	H04Q-009/00 G02F-001/00 H04B-009/00
출원번호	US-0770680 (1985-08-29)
발명자 / 주소	Elger Rodney R. (Brookfield WI)
출원인 / 주소	Johnson Service Company (Milwaukee WI 02)
인용정보	피인용 횟수 : 33 인용 특허 : 5

초록 ▼

A data telemetry system for process control includes a point transponder adapted to receive digitally coded infrared interrogation signals. The transponder includes a first group of positive, intrinsic, negative (PIN) diodes disposed thereon for omnidirectionally detecting interrogation signals and a second group of infrared emitting diodes for generating digitally coded signals responsive to the interrogation signals. The first group and the second group of diodes define a first array of diode nodes, each node including at least one diode from each group. A transceiver includes a generally hemispherical, omnidirectional transmitting and receiving member having a third group of infrared emitting diodes disposed thereon for generating the interrogation signals and a fourth group of PIN diodes for receiving the responsive signals from the transponder. The third and fourth groups define a second array of diode nodes, each node including at least one diode from each other. The interrogation signals received at the transponder and responsive signals received at the transceiver are formed at least in part of diffuse infrared light.

대표청구항 ▼

A data telemetry system for process control comprising: a plurality of point transponders for receiving digitally coded interrogation signals, each of said transponders including a first group of PIN diodes disposed thereon for omnidirectionally detecting said interrogation signals and a second group of IR emitting diodes disposed thereon for generating digitally coded signals responsive to said interrogation signals; said first group and said second group defining a first array of diode nodes, each of said first array nodes being mounted upon a generally planar surface and including at least one diode of said first group and at least one diode of said second group; each of said point transponders further including an element defined by at least three planar surfaces arranged in a polyhedran configuration, said element having a dome disposed thereover for protecting said element, wherein said dome is configured of a material to act as an optical band pass filter; a transceiver including a generally hemispherical reflective member having a third group of IR emitting diodes disposed thereon for generating said interrogation signals and a fourth group of PIN diodes disposed thereon for receiving said responsive signals; said third group and said fourth group defining a second array of diode nodes, each of said second array nodes including at least one diode of said third group and at least one diode of said fourth group; each of said IR emitting diodes including a dedicated driver physically closely coupled thereto, each of said drivers comprising an integrated circuit of the MOSFET type and being powered by a pulse position modulator.

이 특허에 인용된 특허 (5) 인용/피인용 타임라인 분석

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Martin Stephen M. (Pleasanton CA) Miller Ralph P. (Sunnyvale CA), Wireless multi-head smoke detector system.
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이 특허를 인용한 특허 (33) 인용/피인용 타임라인 분석

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Bayerlein Friedrich K. (Veitshchheim DEX) Leuerer Dietrich R. K. (Wrzburg DEX) Rindfleisch Karl H. (Margetshchheim DEX), Device for the control of rotary printing machines.
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Clark, Gerald R., Free space optical communication network.
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Teich Rudor M. (South Orange NJ) Buckingham Duane (Old Lyme CT), Infrared remote control system for activating and deactivating one or more devices in a single enclosed space.
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Steffes Christopher Carl ; Tonizzo Anthony ; Vallillee ; IV George William, Method and apparatus for establishing a data link between a portable data communications device and an interface circuit.
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Heinz Willebrand, Method and apparatus for free-space optical communication without electro-optical conversion.
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Menadier Michael A. (Vista CA) Williams Michael A. (San Diego CA) Rose David B. (San Diego CA), Remote infrared transceiver and method of using same.
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Laine Robert,FRX, Satellite onboard data transmission system.
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Stephen Michael Cole ; Jeffrey Alan Schanhals ; George William Vallillee, IV, System and method for supporting a worker in a distributed work environment.
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Small, David; Hair, III, James M., System, method, and apparatus for bi-directional infrared communication.
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Willebrand, Heinz; Clark, Gerald R., Terrestrial optical communication network of integrated fiber and free-space links which requires no electro-optical conversion between links.
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Schwartz,Mark A., Traffic preemption system communication method.
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Small, David, Wireless interactive doll-houses and playsets therefor.
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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

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[미국특허] Data telemetry system using diffused infrared light 원문보기