JPS5338201A - Light communication equipment - Google Patents

Light communication equipment

Info

Publication number
JPS5338201A
JPS5338201A JP11261276A JP11261276A JPS5338201A JP S5338201 A JPS5338201 A JP S5338201A JP 11261276 A JP11261276 A JP 11261276A JP 11261276 A JP11261276 A JP 11261276A JP S5338201 A JPS5338201 A JP S5338201A
Authority
JP
Japan
Prior art keywords
communication equipment
light communication
equipment
lengthen
reliability
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.)
Pending
Application number
JP11261276A
Other languages
Japanese (ja)
Inventor
Sumio Kondo
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP11261276A priority Critical patent/JPS5338201A/en
Publication of JPS5338201A publication Critical patent/JPS5338201A/en
Pending 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

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Optical Communication System (AREA)

Abstract

PURPOSE:A transmission part controls luminescence intensity to lengthen the life of a light source, thereby improving the reliability of the equipment.
JP11261276A 1976-09-20 1976-09-20 Light communication equipment Pending JPS5338201A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11261276A JPS5338201A (en) 1976-09-20 1976-09-20 Light communication equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11261276A JPS5338201A (en) 1976-09-20 1976-09-20 Light communication equipment

Publications (1)

Publication Number Publication Date
JPS5338201A true JPS5338201A (en) 1978-04-08

Family

ID=14591083

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11261276A Pending JPS5338201A (en) 1976-09-20 1976-09-20 Light communication equipment

Country Status (1)

Country Link
JP (1) JPS5338201A (en)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5593336A (en) * 1979-01-08 1980-07-15 Nippon Denshi Syst Service Kk Optical relay system
JPS5972242A (en) * 1982-10-19 1984-04-24 Sumitomo Heavy Ind Ltd Data transmission system
JPS60169248A (en) * 1984-02-10 1985-09-02 Nec Corp Optical fiber communication system
JPS615047U (en) * 1984-06-15 1986-01-13 シャープ株式会社 wireless transmitter/receiver
JPH02280543A (en) * 1989-04-21 1990-11-16 Matsushita Electric Ind Co Ltd Optical space transmitter
EP0749219A2 (en) * 1995-06-14 1996-12-18 Nec Corporation Infrared spatial communication system capable of reducing a processing amount of data communication devices during communication
US7657182B2 (en) 2005-08-04 2010-02-02 Panasonic Corporation Liquid lens optical transmitter system
JP2016063347A (en) * 2014-09-17 2016-04-25 富士通株式会社 Signal transmitter, signal transmission method and signal transmission program

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5593336A (en) * 1979-01-08 1980-07-15 Nippon Denshi Syst Service Kk Optical relay system
JPS5829019B2 (en) * 1979-01-08 1983-06-20 日立電子システムサ−ビス株式会社 Optical relay method
JPS5972242A (en) * 1982-10-19 1984-04-24 Sumitomo Heavy Ind Ltd Data transmission system
JPS60169248A (en) * 1984-02-10 1985-09-02 Nec Corp Optical fiber communication system
JPS615047U (en) * 1984-06-15 1986-01-13 シャープ株式会社 wireless transmitter/receiver
JPH02280543A (en) * 1989-04-21 1990-11-16 Matsushita Electric Ind Co Ltd Optical space transmitter
EP0749219A2 (en) * 1995-06-14 1996-12-18 Nec Corporation Infrared spatial communication system capable of reducing a processing amount of data communication devices during communication
EP0749219A3 (en) * 1995-06-14 1999-10-27 Nec Corporation Infrared spatial communication system capable of reducing a processing amount of data communication devices during communication
US7657182B2 (en) 2005-08-04 2010-02-02 Panasonic Corporation Liquid lens optical transmitter system
JP2016063347A (en) * 2014-09-17 2016-04-25 富士通株式会社 Signal transmitter, signal transmission method and signal transmission program

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