JPS5567253A - Signal transmission unit - Google Patents

Signal transmission unit

Info

Publication number
JPS5567253A
JPS5567253A JP13987078A JP13987078A JPS5567253A JP S5567253 A JPS5567253 A JP S5567253A JP 13987078 A JP13987078 A JP 13987078A JP 13987078 A JP13987078 A JP 13987078A JP S5567253 A JPS5567253 A JP S5567253A
Authority
JP
Japan
Prior art keywords
light
signals
signal transmission
ray
infrared
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.)
Granted
Application number
JP13987078A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5645541B2 (cg-RX-API-DMAC7.html
Inventor
Makoto Morioka
Kazuhiro Kurata
Yasushi Koga
Akira Takahashi
Satoshi Koyama
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.)
Hitachi Ltd
Kokusai Denki Electric Inc
Original Assignee
Hitachi Ltd
Yagi Antenna Co 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 Hitachi Ltd, Yagi Antenna Co Ltd filed Critical Hitachi Ltd
Priority to JP13987078A priority Critical patent/JPS5567253A/ja
Publication of JPS5567253A publication Critical patent/JPS5567253A/ja
Publication of JPS5645541B2 publication Critical patent/JPS5645541B2/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)
  • Mounting And Adjusting Of Optical Elements (AREA)
  • Optical Communication System (AREA)
JP13987078A 1978-11-15 1978-11-15 Signal transmission unit Granted JPS5567253A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13987078A JPS5567253A (en) 1978-11-15 1978-11-15 Signal transmission unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13987078A JPS5567253A (en) 1978-11-15 1978-11-15 Signal transmission unit

Publications (2)

Publication Number Publication Date
JPS5567253A true JPS5567253A (en) 1980-05-21
JPS5645541B2 JPS5645541B2 (cg-RX-API-DMAC7.html) 1981-10-27

Family

ID=15255468

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13987078A Granted JPS5567253A (en) 1978-11-15 1978-11-15 Signal transmission unit

Country Status (1)

Country Link
JP (1) JPS5567253A (cg-RX-API-DMAC7.html)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57170638A (en) * 1981-04-14 1982-10-20 Yagi Antenna Co Ltd Information space transmission system by optical beam
JPS58125923A (ja) * 1981-12-29 1983-07-27 Matsushita Electric Works Ltd 光伝送方式

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57170638A (en) * 1981-04-14 1982-10-20 Yagi Antenna Co Ltd Information space transmission system by optical beam
JPS58125923A (ja) * 1981-12-29 1983-07-27 Matsushita Electric Works Ltd 光伝送方式

Also Published As

Publication number Publication date
JPS5645541B2 (cg-RX-API-DMAC7.html) 1981-10-27

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