JPS5314503A - Photo-communication system - Google Patents

Photo-communication system

Info

Publication number
JPS5314503A
JPS5314503A JP8956676A JP8956676A JPS5314503A JP S5314503 A JPS5314503 A JP S5314503A JP 8956676 A JP8956676 A JP 8956676A JP 8956676 A JP8956676 A JP 8956676A JP S5314503 A JPS5314503 A JP S5314503A
Authority
JP
Japan
Prior art keywords
photo
communication system
ensure
pair
increase
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
JP8956676A
Other languages
Japanese (ja)
Other versions
JPS591019B2 (en
Inventor
Fumio Mita
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.)
Fujitsu Ltd
Original Assignee
Fujitsu 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 Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP51089566A priority Critical patent/JPS591019B2/en
Publication of JPS5314503A publication Critical patent/JPS5314503A/en
Publication of JPS591019B2 publication Critical patent/JPS591019B2/en
Expired 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
    • H04B10/25—Arrangements specific to fibre transmission

Abstract

PURPOSE:To increase the reception sensitivity using a light transmission path formed by a pair of light fibers, and thus to ensure an accurate communication with increased reliability.
JP51089566A 1976-07-26 1976-07-26 Optical communication method Expired JPS591019B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP51089566A JPS591019B2 (en) 1976-07-26 1976-07-26 Optical communication method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP51089566A JPS591019B2 (en) 1976-07-26 1976-07-26 Optical communication method

Publications (2)

Publication Number Publication Date
JPS5314503A true JPS5314503A (en) 1978-02-09
JPS591019B2 JPS591019B2 (en) 1984-01-10

Family

ID=13974351

Family Applications (1)

Application Number Title Priority Date Filing Date
JP51089566A Expired JPS591019B2 (en) 1976-07-26 1976-07-26 Optical communication method

Country Status (1)

Country Link
JP (1) JPS591019B2 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53109402A (en) * 1977-03-07 1978-09-25 Toshiba Corp Light communication unit
JPS55149546A (en) * 1979-05-11 1980-11-20 Okuma Mach Works Ltd Photo coupling circuit
EP0449474A2 (en) * 1990-03-26 1991-10-02 AT&T Corp. Dc-coupled optical data link utilizing differential transmission
JPH08504979A (en) * 1991-07-15 1996-05-28 ドーグマン、ジョン・ジー Biometric person identification system based on iris analysis

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS515524A (en) * 1974-07-04 1976-01-17 Tokyo Electric Power Co HENATSUKITATSUPUHOSHOHOHO

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS515524A (en) * 1974-07-04 1976-01-17 Tokyo Electric Power Co HENATSUKITATSUPUHOSHOHOHO

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53109402A (en) * 1977-03-07 1978-09-25 Toshiba Corp Light communication unit
JPS5748902B2 (en) * 1977-03-07 1982-10-19
JPS55149546A (en) * 1979-05-11 1980-11-20 Okuma Mach Works Ltd Photo coupling circuit
EP0449474A2 (en) * 1990-03-26 1991-10-02 AT&T Corp. Dc-coupled optical data link utilizing differential transmission
JPH08504979A (en) * 1991-07-15 1996-05-28 ドーグマン、ジョン・ジー Biometric person identification system based on iris analysis

Also Published As

Publication number Publication date
JPS591019B2 (en) 1984-01-10

Similar Documents

Publication Publication Date Title
JPS5324582A (en) Composite a erial wire
JPS51113505A (en) Multiplex optical fiber communication equipment
JPS5314503A (en) Photo-communication system
JPS52119237A (en) Terminal processor for optical fibers
JPS5336116A (en) Loop transmission system
JPS52155901A (en) Transmission system for optical fiber
JPS5345249A (en) Light transmitting device
JPS5441001A (en) Fault locating system
JPS52124810A (en) Information transmission
JPS53125854A (en) Optical transmission system and production therefor
JPS5375704A (en) Light communication unit
JPS5375705A (en) Transmission system for optical signal
JPS5343579A (en) Multiwave length light detector
JPS52108702A (en) Code transmission device
JPS529449A (en) Optical transmission path coupler
JPS52104003A (en) Signal transmission apparatus
JPS53144204A (en) Transmitting system for optical communication circuit monitor/order signal
JPS5318307A (en) Optical fiber communication system
JPS52108881A (en) Sample detector
JPS51132903A (en) Light transmission apparatus
JPS51117052A (en) Photo fiber connector
JPS5331903A (en) Optical fiber transmission system utilizing equalization
JPS5423309A (en) Data communication circuit of double-current loop
JPS533264A (en) Laser pulse transmission/reception system
JPS53101902A (en) Two-way light transmitter