DE3888150D1 - Optische Vermittlung. - Google Patents

Optische Vermittlung.

Info

Publication number
DE3888150D1
DE3888150D1 DE88311781T DE3888150T DE3888150D1 DE 3888150 D1 DE3888150 D1 DE 3888150D1 DE 88311781 T DE88311781 T DE 88311781T DE 3888150 T DE3888150 T DE 3888150T DE 3888150 D1 DE3888150 D1 DE 3888150D1
Authority
DE
Germany
Prior art keywords
mediation
optical
optical mediation
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
DE88311781T
Other languages
English (en)
Other versions
DE3888150T2 (de
Inventor
Thomas J Cloonan
Harvard S Hinton
Frederick B Mccormick
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.)
AT&T Corp
Original Assignee
American Telephone and Telegraph Co Inc
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 American Telephone and Telegraph Co Inc filed Critical American Telephone and Telegraph Co Inc
Publication of DE3888150D1 publication Critical patent/DE3888150D1/de
Application granted granted Critical
Publication of DE3888150T2 publication Critical patent/DE3888150T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
    • H04Q11/0003—Details

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
  • Optical Communication System (AREA)
DE3888150T 1987-12-31 1988-12-13 Optische Vermittlung. Expired - Fee Related DE3888150T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/140,200 US4830444A (en) 1987-12-31 1987-12-31 Optical switch

Publications (2)

Publication Number Publication Date
DE3888150D1 true DE3888150D1 (de) 1994-04-07
DE3888150T2 DE3888150T2 (de) 1994-08-25

Family

ID=22490182

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3888150T Expired - Fee Related DE3888150T2 (de) 1987-12-31 1988-12-13 Optische Vermittlung.

Country Status (5)

Country Link
US (1) US4830444A (de)
EP (1) EP0323075B1 (de)
JP (1) JP2816691B2 (de)
CA (1) CA1292551C (de)
DE (1) DE3888150T2 (de)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8704016D0 (en) * 1987-02-20 1987-04-15 British Telecomm Optical space switch
US4955686A (en) * 1989-06-16 1990-09-11 Gte Laboratories Incorporated Optical fiber crossconnect switch
US5093802A (en) * 1989-06-16 1992-03-03 Rocky Mountain Research Center Optical computing method using interference fringe component regions
US5017986A (en) * 1989-08-28 1991-05-21 At&T Bell Laboratories Optical device mounting apparatus
US5039182A (en) * 1989-10-23 1991-08-13 International Business Machines Corporation Storing information in dual holographic images
JPH0821910B2 (ja) * 1992-03-19 1996-03-04 日本電気株式会社 光メッシュ結合バスインターコネクション
US5495356A (en) * 1993-04-30 1996-02-27 Nec Research Institute, Inc. Multidimensional switching networks
US5644123A (en) * 1994-12-16 1997-07-01 Rocky Mountain Research Center Photonic signal processing, amplification, and computing using special interference
US5466925A (en) * 1994-12-16 1995-11-14 Rocky Mountain Research Center Amplitude to phase conversion logic
US5623366A (en) * 1994-12-16 1997-04-22 Rocky Mountain Research Center Photonic signal processing amplification, and computing using special interference
US5600479A (en) * 1995-12-22 1997-02-04 Corning Incorporated Method and apparatus for optical logic and switching functions
KR100198782B1 (ko) * 1996-11-04 1999-06-15 정선종 빔꺽기 소자를 이용한 공간 스위치
US6529305B1 (en) 1998-11-04 2003-03-04 Corvis Corporation Optical transmission apparatuses, methods, and systems
US6313936B1 (en) * 2000-09-20 2001-11-06 General Nutronics, Inc. Method and device for switching wavelength division multiplexed optical signals using micro-electromechanical mirrors
US6591033B2 (en) * 2000-11-06 2003-07-08 Jack Gershfeld Optical matrix switcher
JP2003332560A (ja) * 2002-05-13 2003-11-21 Semiconductor Energy Lab Co Ltd 半導体装置及びマイクロプロセッサ
US7142743B2 (en) 2002-05-30 2006-11-28 Corning Incorporated Latching mechanism for magnetically actuated micro-electro-mechanical devices
JP4094386B2 (ja) * 2002-09-02 2008-06-04 株式会社半導体エネルギー研究所 電子回路装置
JP4373063B2 (ja) 2002-09-02 2009-11-25 株式会社半導体エネルギー研究所 電子回路装置
JP4574118B2 (ja) * 2003-02-12 2010-11-04 株式会社半導体エネルギー研究所 半導体装置及びその作製方法
CA2526467C (en) * 2003-05-20 2015-03-03 Kagutech Ltd. Digital backplane recursive feedback control

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2489643B1 (fr) * 1980-09-04 1986-12-19 Rozenwaig Boris Concentrateur opto-electronique et autocommutateur-concentrateur opto-electronique de liaisons de telecommunications
FR2532497B1 (fr) * 1982-08-24 1986-04-18 Lignes Telegraph Telephon Dispositif de selection optique et reseau de transmission comportant un tel dispositif
US4546244A (en) * 1984-03-14 1985-10-08 At&T Bell Laboratories Nonlinear and bistable optical device
DE3410629A1 (de) * 1984-03-22 1985-10-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V., 8000 München Verfahren und anordnung zum uebertragen von digitalen daten zwischen datenquellen und datensenken
US4764889A (en) * 1984-12-19 1988-08-16 American Telephone And Telegraph Company, At&T Bell Laboratories Optical logic arrangement with self electro-optic effect devices
US4764890A (en) * 1984-12-19 1988-08-16 American Telephone And Telegraph Company, At&T Bell Laboratories Optical logic arrangement
US4751378B1 (en) * 1987-04-24 2000-04-25 Bell Telephone Labor Inc Optical device with quantum well absorption
US4754132A (en) * 1987-04-24 1988-06-28 American Telephone And Telegraph Company, At&T Bell Laboratories Symmetric optical device with quantum well absorption

Also Published As

Publication number Publication date
JP2816691B2 (ja) 1998-10-27
JPH024096A (ja) 1990-01-09
US4830444A (en) 1989-05-16
CA1292551C (en) 1991-11-26
EP0323075A3 (en) 1990-07-04
EP0323075B1 (de) 1994-03-02
EP0323075A2 (de) 1989-07-05
DE3888150T2 (de) 1994-08-25

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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