[특허]Fiber-based free-space optical system

Fiber-based free-space optical system 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	H04B-010/00
출원번호	US-0417828 (1989-10-06)
발명자 / 주소	Swanson Eric A. (Maynard MA) Bondurant Roy S. (Carlisle MA)
출원인 / 주소	Massachusetts Institute of Technology (Cambridge MA 02)
인용정보	피인용 횟수 : 49 인용 특허 : 0

초록 ▼

An optical system has an optical package operable with an acquistion, tracking and pointing network, the optical package including a coupling device and an optical fiber and acting to carry optical signals and to transfer then into/out of the fiber, the fiber transferring the signals from/to a transmitter/receiver. An aspect of the invention includes a coupling device with a housing to which is affixed a flexure. A fiber extends along the flexure and terminates about one end of the flexure. An actuator is coupled between the flexure and the housing. The flexure is coupled to a detector to cooperate with the actuator for driving the flexure. The transmitter/receiver cooperates with the acquisition, tracking and pointing network to control the coupling device. Both coherent or non-coherent detection may be employed. Various features and embodiments are described.

대표청구항 ▼

A satellite-based communications and tracking system which allows mechanical decoupling and spatial separation of processing modules, comprising: a receiver fiber coupler, a telescope module for tracking and collecting light from a light source and focusing said light onto said receiver fiber coupler, a satellite-based receiving module for processing collected light, feedback circuitry responsive to said receiving module for generating control signals to direct said telescope to track said light source, and a receiver optical fiber for carrying light from said receiver fiber coupler to said receiving module; whereby the position of said receiving module may be varied with respect to said telescope module because of the use of said optical fiber.

이 특허를 인용한 특허 (49)

Chalfant, III, Charles H.; Orlando, Fred J.; Gregory, Jeffrey T.; O'Neal, Chad B., Apparatus and method for free space optical communications beam steering without gimbals.
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Magnin, Paul; Goodnow, John W.; Petersen, Christopher L.; Schmitt, Joseph, Apparatus and method for selective data collection and signal to noise ratio enhancement using optical coherence tomography.
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Chalfant, III, Charles H.; Orlando, Fred J.; Gregory, Jeffrey T.; O'Neal, Chad B.; Tidwell, Terry L., Beam steering for optical target identification and tracking without gimbals or scanning mirrors.
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Tseng, Kuo-Fong, Bidirectional and double-frequency optical transmission module and transmission assembly.
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Schmitt, Joseph M., Broadband light source system and method and light source combiner.
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Danial Ashley Powers ; Balz ; Jr. Arthur P., Fine pointing assembly configuration.
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Nelson, Ryan L.; Uhlhorn, Brian L., Free space optical communication.
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Lambert, Stephen G., Free space optical communications network with bent pipe channel and pilot channel.
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Sidorovich,Vladimir G.; Leshev,Aleksei A.; Ragulsky,Valery V., Free-space optical communication system.
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Sidorovich, Vladimir G.; Leshev, Aleksei A.; Ragulsky, Valery V.; Sadovnikov, Mikhail A.; Vasiliev, Mikhail V.; Vasiliev, Vladimir P., Free-space optical communication system with spatial multiplexing.
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Szapiel Stanislaw,CAX, Free-space optical lasercom system.
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Chao, Tien-Hsin; Wilson, Keith E.; Coste, Keith, High bandwidth optical links for micro-satellite support.
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Schuster, John J.; Bell, John A., High-sensitivity tracking in free-space optical communication systems.
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Chie W. Poon ; Robert C. Carden, III ; Robert M. Englekirk, Inter-satellite optical link acquisition sensor.
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Poon, Chie W.; Carden, III, Robert C.; Englekirk, Robert M., Inter-satellite optical link track sensor.
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Jeffrey C. Adams ; Mark Pratt ; Micah J. Barclay, Method and apparatus for polarization tracking in wireless optical communication systems.
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Armer,John; Senko,Thomas Richard, Method and apparatus for powering circuitry with on-chip solar cells within a common substrate.
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Jeffrey C. Adams ; Mark Pratt ; Micah J. Barclay, Method and apparatus for tone tracking in wireless optical communication systems.
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Franklin, James D., Method and apparatus for treating a received signal to present a resulting signal with improved signal accuracy.
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Pribil, Klaus; Fischer, Edgar; Meier, Carsten, Method and device for generating an error signal in connection with coherent heterodyne reception of lightwaves.
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Moursund,Carter; Caminiti,Lorenzo; Di Bernardo,Enrico; Goncalves,Luis, Method and system for automatically determining lines of sight between nodes.
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Dishman John F. ; Beadle Edward R., Method and system for optical free space communications using non-mechanical beam steering.
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Keller, Robert; Melendez, Jose, Method for establishing and maintaining optical, open-air communications link.
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Martin, Kenneth I.; Summers, Kenneth E., Method of authenticating beacon.
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Sidorovich, Vladimir G.; Leshev, Aleksei A.; Ragulsky, Valery V.; Vasiliev, Mikhail V.; Vasiliev, Vladimir P., Method of forming optical radiation beams for free-space optical communication systems.
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Swanson Eric A. ; Petersen Christopher L., Methods and apparatus for high speed longitudinal scanning in imaging systems.
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Moursund,Carter M.; Ulmer,Christopher T., Methods and systems for aligning and maintaining alignment of point-to-point transceivers in a network.
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Gleckman,Philip, Multiple access space communications optical system using a common telescope aperture.
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Basu Santanu, Multiplexer for laser ranging devices and the like.
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Lewis, Isabella T.; Kaliski, Robert W., Numerous user laser communications optical system using chromatic waveplates and a common telescope aperture.
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Lunscher Wolfram,CAX, Optical acquisition and tracking system.
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Sidorovich, Vladimir, Optical beam generating and shaping device.
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Sidorovich, Vladimir G.; Leshev, Aleksei A.; Ragulsky, Valery V.; Sadovnikov, Mikhail A.; Vasiliev, Mikhail V.; Vasiliev, Vladimir P., Optical communication device.
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Popescu Alexandru F. (Lisse NLX) Furch Bernard (Noordwijkerhout NLX), Optical communications terminal.
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Johnson, Dan R.; Carroll, Mark A.; Sherman, Daniel R.; Stone, Timothy R., Optical inter-satellite link (OISL) gimbal.
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Gillingham, Peter; Saunders, Will; Gilbert, James; Smith, Gregory; Staszak, Nicholas; Brzeski, Jerzy; Miziarski, Stanislaw; Smedley, Scot; Farrell, Tony; Waller, Lewis, Optical telescope fibre positioning devices.
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Keller,Robert; Melendez,Jose, Optical wireless link.
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Tidwell, Terry L.; Gregory, Jeffrey T.; Chalfant, III, Charles Henry; Orlando, Fred J.; Leftwich, Matthew, Rapid acquisition, pointing and tracking optical system for free space optical communications.
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Rockwell David A., Reconfigurable laser communications terminal.
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Mendenhall, Todd L.; Narigon, Michael L., Satellite communication optical beam acquisition techniques using a plurality of scan patterns.
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Mendenhall, Todd L.; Narigon, Michael L., Satellite optical communication beam acquisition techniques.
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Green, Alan E.; Morrison, Euan; Pettigrew, Robert M., Signalling system.
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Jon G. Stanford ; Chris Karaguleff, System and method for beam-steering using a reference signal feedback.
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Krill,Jerry A.; Duncan,Donald D.; Frank,Joe, System and method for real-time image control and processing for use in wide area space based surveillance.
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Adams, Jeffrey C.; Lee, Rand W., Tone modulation for out-of-band communication in a free-space optical communication link.
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Livingston Peter M., Tracking means for distant ballistic missile targets.
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Livingston Peter M., Tracking means for distant ballistic missile targets comprising means for tracking largest radius of curvature.
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Tam, Alan K.; Lao, Binneg Y., Ultra-wideband power amplifier module apparatus and method for optical and electronic communications.
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Moursund,Carter M.; Adhikari,Prasanna; Chiu,Joseph; Hakakha,Harel; Ulmer,Christopher T., Wireless infrared network transceiver.
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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
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연합인증

Fiber-based free-space optical system 원문보기

초록 ▼

대표청구항 ▼

연구과제 타임라인

이 특허를 인용한 특허 (49)

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Fiber-based free-space optical system 원문보기

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연구과제 타임라인

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이 특허를 인용한 특허 (49)

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