DE3883381D1 - Optische drahtlose nachrichtenanlage. - Google Patents

Optische drahtlose nachrichtenanlage.

Info

Publication number
DE3883381D1
DE3883381D1 DE8989901172T DE3883381T DE3883381D1 DE 3883381 D1 DE3883381 D1 DE 3883381D1 DE 8989901172 T DE8989901172 T DE 8989901172T DE 3883381 T DE3883381 T DE 3883381T DE 3883381 D1 DE3883381 D1 DE 3883381D1
Authority
DE
Germany
Prior art keywords
message system
wireless message
optical wireless
optical
wireless
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
DE8989901172T
Other languages
English (en)
Other versions
DE3883381T2 (de
Inventor
Makoto Saruta
Tatsuhiro Suzuki
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.)
NCR International Inc
Original Assignee
NCR International 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 NCR International Inc filed Critical NCR International Inc
Application granted granted Critical
Publication of DE3883381D1 publication Critical patent/DE3883381D1/de
Publication of DE3883381T2 publication Critical patent/DE3883381T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/11—Arrangements specific to free-space transmission, i.e. transmission through air or vacuum
    • H04B10/114—Indoor or close-range type systems
    • H04B10/1149—Arrangements for indoor wireless networking of information

Landscapes

  • Engineering & Computer Science (AREA)
  • Computing Systems (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Optical Communication System (AREA)
  • Mobile Radio Communication Systems (AREA)
DE89901172T 1987-12-28 1988-12-19 Optische drahtlose nachrichtenanlage. Expired - Fee Related DE3883381T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP62330401A JPH01176127A (ja) 1987-12-28 1987-12-28 光空間通信システム
US07/269,823 US4959874A (en) 1987-12-28 1988-11-09 Optical wireless communication system
PCT/US1988/004544 WO1989006459A1 (en) 1987-12-28 1988-12-19 Optical wireless data communication system

Publications (2)

Publication Number Publication Date
DE3883381D1 true DE3883381D1 (de) 1993-09-23
DE3883381T2 DE3883381T2 (de) 1994-04-14

Family

ID=26573517

Family Applications (1)

Application Number Title Priority Date Filing Date
DE89901172T Expired - Fee Related DE3883381T2 (de) 1987-12-28 1988-12-19 Optische drahtlose nachrichtenanlage.

Country Status (5)

Country Link
US (1) US4959874A (de)
EP (1) EP0346438B1 (de)
JP (1) JPH01176127A (de)
DE (1) DE3883381T2 (de)
WO (1) WO1989006459A1 (de)

Families Citing this family (40)

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US5027433A (en) * 1988-04-04 1991-06-25 Hm Electronics, Inc. Remote infrared transceiver and method of using same
DE3937096A1 (de) * 1989-11-07 1991-05-08 Siemens Nixdorf Inf Syst System zum uebertragen von daten zwischen mehreren teilnehmerstationen eines lokalen kommunikationsnetzes
JPH03117936A (ja) * 1990-01-18 1991-05-20 N T T Data Tsushin Kk 無線中継システム
US5563728A (en) * 1991-02-22 1996-10-08 Allen; Richard C. Infrared communication repeater architecture
JP2848981B2 (ja) * 1991-03-27 1999-01-20 日本ビクター株式会社 中継装置及び中継システム
US5218356A (en) * 1991-05-31 1993-06-08 Guenther Knapp Wireless indoor data relay system
US5463623A (en) * 1991-07-31 1995-10-31 At&T Ipm Corp. Integrated wireless telecommunication and local area network system
EP0557959B1 (de) * 1992-02-25 1998-04-22 Sony Corporation Modulations-/Demodulationsvorrichtung und Informationsverarbeitungsvorrichtung
JPH05316048A (ja) * 1992-05-08 1993-11-26 Takeshi Yamamoto 特定情報の通信システム
US5528391A (en) * 1993-06-04 1996-06-18 Xerox Corporation Infrared beam steering system using diffused infrared light and liquid crystal apertures
IL105990A (en) * 1993-06-11 1997-04-15 Uri Segev And Benjamin Machnes Infra-red communication system
US5602669A (en) * 1994-06-30 1997-02-11 Sony Corporation Digital signal transmission apparatus, digital signal transmission method, and digital signal transmitter-receiver
US5617236A (en) * 1994-08-15 1997-04-01 Actisys Corporation Infrared communication device for multistandard operations
WO1996011539A2 (en) * 1994-10-04 1996-04-18 Sdl, Inc. Infrared laser diode wireless local area network
CA2191592A1 (en) * 1995-03-29 1996-10-03 Ronald L. Mahany Infrared backbone communication network having a radio frequency backup channel
US5602664A (en) * 1995-06-06 1997-02-11 Thomson Consumer Electronics, Inc. Infrared repeater
EP0827310A3 (de) * 1996-08-30 2001-01-24 Sony Corporation Infrarotübertragung von digitalen Audiosignalen
BR9605275A (pt) * 1996-10-17 1998-07-21 H2T Handheld Technology Ltda Sistema de comunicaçao por infravermelho difuso
KR100444798B1 (ko) * 1996-11-12 2004-10-28 삼성전자주식회사 확산배열적외선안테나를이용한근거리데이터통신장치
JPH10209972A (ja) * 1997-01-27 1998-08-07 Toshiba Corp 中継装置、通信機器、これらの通信システム及び中継方法
US6624916B1 (en) 1997-02-11 2003-09-23 Quantumbeam Limited Signalling system
KR100467511B1 (ko) * 1997-03-20 2005-05-27 삼성전자주식회사 확산배열적외선송수신장치를이용한근거리데이터통신장치
US6285857B1 (en) * 1997-05-01 2001-09-04 At&T Corp. Multi-hop telecommunications system and method
US6081356A (en) * 1997-05-27 2000-06-27 Steelcase Development Inc. Integrated optical ports
US6298047B1 (en) 1998-05-20 2001-10-02 Steelcase Development Inc. Method and apparatus for establishing a data link between a portable data communications device and an interface circuit
US6337856B1 (en) 1998-05-20 2002-01-08 Steelcase Development Corporation Multimedia data communications system
US6359711B1 (en) 1998-05-20 2002-03-19 Steelcase Development Corporation System and method for supporting a worker in a distributed work environment
SG87784A1 (en) 1998-12-09 2002-04-16 Kent Ridge Digital Labs Csma/cd wireless lan
FR2804546B1 (fr) * 2000-01-31 2002-04-12 Legrand Sa Appareils electriques modulaires et enveloppe les comportant
ES2288818T3 (es) * 2000-06-05 2008-02-01 Sony Deutschland Gmbh Sistema inalambrico para interior que utiliza un reflector activo.
US20020080449A1 (en) * 2000-12-08 2002-06-27 Tseng Chi Wang Light transceiver apparatus
WO2002073845A2 (en) * 2001-03-09 2002-09-19 Lightpointe Communications, Inc. Free space optical communication network
US20030120920A1 (en) * 2001-12-20 2003-06-26 Svensson Sven Anders Borje Remote device authentication
GR1004589B (el) * 2002-05-15 2004-06-07 Νικολαος Πετρελλης Αξιοπιστο δικτυο υπερυθρων ακτινων για τον ελεγχο συσκευων και αισθητηρων απο τηλεχειριστηριο η υπολογιστη
EP1858179A1 (de) * 2002-10-24 2007-11-21 Nakagawa Laboratories, Inc. Beleutungsvorrichtung zur Datenübertragung
US7445013B2 (en) * 2003-06-17 2008-11-04 Whirlpool Corporation Multiple wash zone dishwasher
US20070134643A1 (en) * 2003-11-05 2007-06-14 Kabushiki Kaisha Media Technical Answer totalizer/anayzer
JP7220896B2 (ja) * 2018-12-11 2023-02-13 株式会社オーディオテクニカ 中継装置と信号光中継システム
CN110278028B (zh) * 2019-06-20 2021-01-12 Oppo广东移动通信有限公司 信息传输方法及相关产品
CN113098600A (zh) * 2020-01-09 2021-07-09 武汉邮电科学研究院有限公司 基于6g光子学构建的6g网络泛光通信架构

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4664518A (en) * 1962-07-02 1987-05-12 Pfund Charles E Secure communication system
US3511998A (en) * 1966-03-18 1970-05-12 Us Navy Acquisition system
US3710122A (en) * 1970-04-24 1973-01-09 Nasa A laser communication system for controlling several functions at a location remote to the laser
US3810255A (en) * 1971-06-10 1974-05-07 Communications Satellite Corp Frequency translation routing communications transponder
JPS5332609A (en) * 1976-09-07 1978-03-28 Nec Corp Detecting system for interference signal by means of time sharing
US4150334A (en) * 1977-10-12 1979-04-17 General Electric Company Control circuit for a radio repeater
DE3071510D1 (en) * 1980-12-23 1986-04-24 Ibm Communication system in which data are transferred between terminal stations and satellite stations by infrared signals
JPS5844832A (ja) * 1981-09-10 1983-03-15 Mitsubishi Electric Corp 光フアイバ多元接続通信装置
JPS58170141A (ja) * 1982-03-30 1983-10-06 Matsushita Electric Ind Co Ltd デ−タ伝送装置
EP0115768B1 (en) * 1983-01-11 1990-07-04 Kei Mori Optical communication system
JPS60140941A (ja) * 1983-12-27 1985-07-25 Fujitsu Ltd 光空間伝送方式
US4662715A (en) * 1985-01-25 1987-05-05 Westinghouse Electric Corp. Fiber optic network with reduced coupling losses
EP0196347B1 (de) * 1985-04-02 1989-08-16 International Business Machines Corporation Infrarot-Übertragungssystem
GB2187367B (en) * 1986-01-09 1990-03-28 Ricoh Kk Control system for local area network
US4759011A (en) * 1986-03-03 1988-07-19 Polaroid Corporation Intranetwork and internetwork optical communications system and method

Also Published As

Publication number Publication date
EP0346438B1 (de) 1993-08-18
EP0346438A1 (de) 1989-12-20
JPH01176127A (ja) 1989-07-12
DE3883381T2 (de) 1994-04-14
US4959874A (en) 1990-09-25
WO1989006459A1 (en) 1989-07-13

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: AT&T GLOBAL INFORMATION SOLUTIONS INTERNATIONAL IN

8327 Change in the person/name/address of the patent owner

Owner name: NCR INTERNATIONAL, INC. (N.D.GES.D.STAATES DELAWAR

8328 Change in the person/name/address of the agent

Free format text: V. BEZOLD & SOZIEN, 80799 MUENCHEN

8320 Willingness to grant licences declared (paragraph 23)
8339 Ceased/non-payment of the annual fee