DE3789437D1 - Optischer Schalter. - Google Patents

Optischer Schalter.

Info

Publication number
DE3789437D1
DE3789437D1 DE87310984T DE3789437T DE3789437D1 DE 3789437 D1 DE3789437 D1 DE 3789437D1 DE 87310984 T DE87310984 T DE 87310984T DE 3789437 T DE3789437 T DE 3789437T DE 3789437 D1 DE3789437 D1 DE 3789437D1
Authority
DE
Germany
Prior art keywords
amplifier
optical
optical switch
switch
logic
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
DE87310984T
Other languages
English (en)
Other versions
DE3789437T2 (de
Inventor
Michael John Adams
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
British Telecommunications PLC
Original Assignee
British Telecommunications PLC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by British Telecommunications PLC filed Critical British Telecommunications PLC
Application granted granted Critical
Publication of DE3789437D1 publication Critical patent/DE3789437D1/de
Publication of DE3789437T2 publication Critical patent/DE3789437T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F3/00—Optical logic elements; Optical bistable devices

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Optics & Photonics (AREA)
  • Semiconductor Lasers (AREA)
  • Optical Communication System (AREA)
  • Push-Button Switches (AREA)
  • Laser Surgery Devices (AREA)
  • Mechanical Light Control Or Optical Switches (AREA)
  • Eye Examination Apparatus (AREA)
  • Pyrane Compounds (AREA)
  • Electronic Switches (AREA)
DE3789437T 1986-12-15 1987-12-14 Optischer Schalter. Expired - Fee Related DE3789437T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB868629871A GB8629871D0 (en) 1986-12-15 1986-12-15 Optical switch

Publications (2)

Publication Number Publication Date
DE3789437D1 true DE3789437D1 (de) 1994-04-28
DE3789437T2 DE3789437T2 (de) 1994-06-30

Family

ID=10609002

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3789437T Expired - Fee Related DE3789437T2 (de) 1986-12-15 1987-12-14 Optischer Schalter.

Country Status (9)

Country Link
US (1) US4873690A (de)
EP (1) EP0274250B1 (de)
JP (1) JP2637531B2 (de)
AT (1) ATE103400T1 (de)
CA (1) CA1294804C (de)
DE (1) DE3789437T2 (de)
ES (1) ES2050117T3 (de)
GB (1) GB8629871D0 (de)
WO (1) WO1988004791A1 (de)

Families Citing this family (53)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8629873D0 (en) * 1986-12-15 1987-01-28 British Telecomm Optical signal processing device
IT1219324B (it) * 1988-05-24 1990-05-03 Cselt Centro Studi Lab Telecom Procedimento per la caratterizzazione di laser a semiconduttore ristabili
FR2682781B1 (fr) * 1991-10-16 1993-11-26 France Telecom Generateur de fonctions logiques utilisant une transposition optique dans une diode laser a contre-reaction distribuee.
GB9404788D0 (en) * 1994-03-11 1994-04-27 British Telecomm Optical device
US6275516B1 (en) * 1998-07-02 2001-08-14 Agere Systems Optoelectronics Guardian Corp. Article for detecting power drift in the putout of a diode array source
JP4368573B2 (ja) * 2002-03-12 2009-11-18 独立行政法人科学技術振興機構 双安定半導体レーザを用いた超高速光メモリー装置
US8036539B2 (en) * 2005-06-28 2011-10-11 Finisar Corporation Gigabit ethernet longwave optical transceiver module having amplified bias current
US7505496B2 (en) * 2006-04-05 2009-03-17 Ciena Corporation Systems and methods for real-time compensation for non-linearity in optical sources for analog signal transmission
US9867530B2 (en) 2006-08-14 2018-01-16 Volcano Corporation Telescopic side port catheter device with imaging system and method for accessing side branch occlusions
US9596993B2 (en) 2007-07-12 2017-03-21 Volcano Corporation Automatic calibration systems and methods of use
EP2178442B1 (de) 2007-07-12 2017-09-06 Volcano Corporation Katheter für in-vivo-bildgebung
WO2009009802A1 (en) 2007-07-12 2009-01-15 Volcano Corporation Oct-ivus catheter for concurrent luminal imaging
US11141063B2 (en) 2010-12-23 2021-10-12 Philips Image Guided Therapy Corporation Integrated system architectures and methods of use
US11040140B2 (en) 2010-12-31 2021-06-22 Philips Image Guided Therapy Corporation Deep vein thrombosis therapeutic methods
US9360630B2 (en) 2011-08-31 2016-06-07 Volcano Corporation Optical-electrical rotary joint and methods of use
US11272845B2 (en) 2012-10-05 2022-03-15 Philips Image Guided Therapy Corporation System and method for instant and automatic border detection
US9292918B2 (en) 2012-10-05 2016-03-22 Volcano Corporation Methods and systems for transforming luminal images
US9324141B2 (en) 2012-10-05 2016-04-26 Volcano Corporation Removal of A-scan streaking artifact
US10568586B2 (en) 2012-10-05 2020-02-25 Volcano Corporation Systems for indicating parameters in an imaging data set and methods of use
US9858668B2 (en) 2012-10-05 2018-01-02 Volcano Corporation Guidewire artifact removal in images
US10070827B2 (en) 2012-10-05 2018-09-11 Volcano Corporation Automatic image playback
US9307926B2 (en) 2012-10-05 2016-04-12 Volcano Corporation Automatic stent detection
US9286673B2 (en) 2012-10-05 2016-03-15 Volcano Corporation Systems for correcting distortions in a medical image and methods of use thereof
US9367965B2 (en) 2012-10-05 2016-06-14 Volcano Corporation Systems and methods for generating images of tissue
EP2904671B1 (de) 2012-10-05 2022-05-04 David Welford Systeme und verfahren zum verstärken von licht
US9840734B2 (en) 2012-10-22 2017-12-12 Raindance Technologies, Inc. Methods for analyzing DNA
EP2931132B1 (de) 2012-12-13 2023-07-05 Philips Image Guided Therapy Corporation Vorrichtung zur gezielten kanülierung
US10939826B2 (en) 2012-12-20 2021-03-09 Philips Image Guided Therapy Corporation Aspirating and removing biological material
US10942022B2 (en) 2012-12-20 2021-03-09 Philips Image Guided Therapy Corporation Manual calibration of imaging system
EP2934311B1 (de) 2012-12-20 2020-04-15 Volcano Corporation Katheter mit nahtlosem übergang
US9730613B2 (en) 2012-12-20 2017-08-15 Volcano Corporation Locating intravascular images
JP2016504589A (ja) 2012-12-20 2016-02-12 ナサニエル ジェイ． ケンプ， 異なる撮像モード間で再構成可能な光コヒーレンストモグラフィシステム
US11406498B2 (en) 2012-12-20 2022-08-09 Philips Image Guided Therapy Corporation Implant delivery system and implants
US10332228B2 (en) 2012-12-21 2019-06-25 Volcano Corporation System and method for graphical processing of medical data
US9486143B2 (en) 2012-12-21 2016-11-08 Volcano Corporation Intravascular forward imaging device
US10413317B2 (en) 2012-12-21 2019-09-17 Volcano Corporation System and method for catheter steering and operation
EP2934653B1 (de) 2012-12-21 2018-09-19 Douglas Meyer Rotierender ultraschallbildgebungskatheter mit einem erweiterten katheterkörperteleskop
US9612105B2 (en) 2012-12-21 2017-04-04 Volcano Corporation Polarization sensitive optical coherence tomography system
US10058284B2 (en) 2012-12-21 2018-08-28 Volcano Corporation Simultaneous imaging, monitoring, and therapy
JP2016507892A (ja) 2012-12-21 2016-03-10 デイビッド ウェルフォード， 光の波長放出を狭幅化するためのシステムおよび方法
JP2016501623A (ja) 2012-12-21 2016-01-21 アンドリュー ハンコック， 画像信号のマルチ経路処理のためのシステムおよび方法
EP2936241B1 (de) 2012-12-21 2020-10-21 Nathaniel J. Kemp Leistungseffiziente optische pufferung mit einem polarisationserhaltenden optischen schalter
US10166003B2 (en) 2012-12-21 2019-01-01 Volcano Corporation Ultrasound imaging with variable line density
US10226597B2 (en) 2013-03-07 2019-03-12 Volcano Corporation Guidewire with centering mechanism
EP2965263B1 (de) 2013-03-07 2022-07-20 Bernhard Sturm Multimodale segmentierung in intravaskulären bildern
US20140276923A1 (en) 2013-03-12 2014-09-18 Volcano Corporation Vibrating catheter and methods of use
WO2014164696A1 (en) 2013-03-12 2014-10-09 Collins Donna Systems and methods for diagnosing coronary microvascular disease
US9301687B2 (en) 2013-03-13 2016-04-05 Volcano Corporation System and method for OCT depth calibration
US11026591B2 (en) 2013-03-13 2021-06-08 Philips Image Guided Therapy Corporation Intravascular pressure sensor calibration
WO2014159819A1 (en) 2013-03-13 2014-10-02 Jinhyoung Park System and methods for producing an image from a rotational intravascular ultrasound device
US10292677B2 (en) 2013-03-14 2019-05-21 Volcano Corporation Endoluminal filter having enhanced echogenic properties
WO2014152365A2 (en) 2013-03-14 2014-09-25 Volcano Corporation Filters with echogenic characteristics
US10219887B2 (en) 2013-03-14 2019-03-05 Volcano Corporation Filters with echogenic characteristics

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4382660A (en) * 1976-06-16 1983-05-10 Massachusetts Institute Of Technology Optical transistors and logic circuits embodying the same
US4359773A (en) * 1980-07-07 1982-11-16 Bell Telephone Laboratories, Incorporated Semiconductor lasers with selective driving circuit
FR2492995A1 (fr) * 1980-10-24 1982-04-30 Oudar Jean Louis Dispositif optique bistable utilisant deux lasers couples
US4468773A (en) * 1981-05-29 1984-08-28 Seaton Norman T Laser control apparatus and method
EP0110388B1 (de) * 1982-11-29 1987-10-07 Nec Corporation Optisches Zeitmultiplexvermittlungssystem das optische bistabile Einrichtungen anwendet
US4751710A (en) * 1984-07-26 1988-06-14 Nec Corporation Semiconductor laser device
US4689793A (en) * 1984-12-19 1987-08-25 Gte Laboratories Incorporated Optical logic and memory apparatus
US4748630A (en) * 1985-01-17 1988-05-31 Nec Corporation Optical memory device comprising a semiconductor laser having bistability and two injection current sources for individually controlling the bistability

Also Published As

Publication number Publication date
ES2050117T3 (es) 1994-05-16
WO1988004791A1 (en) 1988-06-30
CA1294804C (en) 1992-01-28
DE3789437T2 (de) 1994-06-30
JPH01502615A (ja) 1989-09-07
US4873690A (en) 1989-10-10
EP0274250A3 (en) 1988-07-27
GB8629871D0 (en) 1987-01-28
EP0274250B1 (de) 1994-03-23
JP2637531B2 (ja) 1997-08-06
ATE103400T1 (de) 1994-04-15
EP0274250A2 (de) 1988-07-13

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee