JPS6212704B2 - - Google Patents

Info

Publication number
JPS6212704B2
JPS6212704B2 JP56214463A JP21446381A JPS6212704B2 JP S6212704 B2 JPS6212704 B2 JP S6212704B2 JP 56214463 A JP56214463 A JP 56214463A JP 21446381 A JP21446381 A JP 21446381A JP S6212704 B2 JPS6212704 B2 JP S6212704B2
Authority
JP
Japan
Prior art keywords
light
repeater
optical transmission
closed space
transmission system
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
Application number
JP56214463A
Other languages
English (en)
Japanese (ja)
Other versions
JPS58125923A (ja
Inventor
Takuya Komoda
Kazuo Nomura
Masaru Yokoyama
Tokuo Yoshida
Masami Otada
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.)
Panasonic Electric Works Co Ltd
Original Assignee
Matsushita Electric Works Ltd
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 Matsushita Electric Works Ltd filed Critical Matsushita Electric Works Ltd
Priority to JP56214463A priority Critical patent/JPS58125923A/ja
Publication of JPS58125923A publication Critical patent/JPS58125923A/ja
Publication of JPS6212704B2 publication Critical patent/JPS6212704B2/ja
Granted 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)
  • Mobile Radio Communication Systems (AREA)
  • Optical Communication System (AREA)
JP56214463A 1981-12-29 1981-12-29 光伝送方式 Granted JPS58125923A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56214463A JPS58125923A (ja) 1981-12-29 1981-12-29 光伝送方式

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56214463A JPS58125923A (ja) 1981-12-29 1981-12-29 光伝送方式

Publications (2)

Publication Number Publication Date
JPS58125923A JPS58125923A (ja) 1983-07-27
JPS6212704B2 true JPS6212704B2 (enExample) 1987-03-20

Family

ID=16656144

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56214463A Granted JPS58125923A (ja) 1981-12-29 1981-12-29 光伝送方式

Country Status (1)

Country Link
JP (1) JPS58125923A (enExample)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59140735A (ja) * 1983-01-31 1984-08-13 Takashi Mori 光通信システムにおける中継装置
JPS59132263U (ja) * 1983-02-21 1984-09-05 日本マランツ株式会社 リモ−トコントロ−ルシステム
JPS59132260U (ja) * 1983-02-21 1984-09-05 日本マランツ株式会社 リモ−トコントロ−ルシステム
JPS607235A (ja) * 1983-06-24 1985-01-16 Sharp Corp 光通信機器用アダプタ装置
US4727600A (en) * 1985-02-15 1988-02-23 Emik Avakian Infrared data communication system
US4878254A (en) * 1986-12-30 1989-10-31 David Richardson Compact signal enhancer
JPH01174031A (ja) * 1987-12-28 1989-07-10 Kokusan Kinzoku Kogyo Co Ltd 宅内通信システム
JPH04200033A (ja) * 1990-11-29 1992-07-21 Smk Corp 水中における無線通信システム

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5474303A (en) * 1977-11-25 1979-06-14 Matsushita Electric Works Ltd Photo transfer wireless interphone
JPS54177811U (enExample) * 1978-06-02 1979-12-15
JPS5567253A (en) * 1978-11-15 1980-05-21 Hitachi Ltd Signal transmission unit
DE3000958C2 (de) * 1980-01-12 1984-04-26 ANT Nachrichtentechnik GmbH, 7150 Backnang Hausnotrufsystem mit Fernauslösung

Also Published As

Publication number Publication date
JPS58125923A (ja) 1983-07-27

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