JPS5636243A - Photosignal system - Google Patents

Photosignal system

Info

Publication number
JPS5636243A
JPS5636243A JP11132479A JP11132479A JPS5636243A JP S5636243 A JPS5636243 A JP S5636243A JP 11132479 A JP11132479 A JP 11132479A JP 11132479 A JP11132479 A JP 11132479A JP S5636243 A JPS5636243 A JP S5636243A
Authority
JP
Japan
Prior art keywords
photosignal
signal
call
returning
telephone set
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
JP11132479A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6219098B2 (enrdf_load_stackoverflow
Inventor
Tatsu Tsuda
Michimitsu Hattori
Shuzo Morita
Haruki Fukuda
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 JP11132479A priority Critical patent/JPS5636243A/ja
Publication of JPS5636243A publication Critical patent/JPS5636243A/ja
Publication of JPS6219098B2 publication Critical patent/JPS6219098B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/003—Telephone sets using electrooptical means in the transmission path

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Optical Communication System (AREA)
JP11132479A 1979-08-31 1979-08-31 Photosignal system Granted JPS5636243A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11132479A JPS5636243A (en) 1979-08-31 1979-08-31 Photosignal system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11132479A JPS5636243A (en) 1979-08-31 1979-08-31 Photosignal system

Publications (2)

Publication Number Publication Date
JPS5636243A true JPS5636243A (en) 1981-04-09
JPS6219098B2 JPS6219098B2 (enrdf_load_stackoverflow) 1987-04-27

Family

ID=14558318

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11132479A Granted JPS5636243A (en) 1979-08-31 1979-08-31 Photosignal system

Country Status (1)

Country Link
JP (1) JPS5636243A (enrdf_load_stackoverflow)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4525873A (en) * 1981-09-24 1985-06-25 Siemens Aktiengesellschaft Device for transmitting measured values to a remote location
US4525874A (en) * 1981-09-24 1985-06-25 Siemens Aktiengesellschaft Device for transmitting measured values to a remote location
JPH0225126A (ja) * 1988-07-14 1990-01-26 Fujitsu Ltd 光加入者線伝送方式
JPH02150132A (ja) * 1988-12-01 1990-06-08 Yokogawa Electric Corp プロセス信号伝送装置
JPH02214248A (ja) * 1989-02-14 1990-08-27 Tohoku Electric Power Co Inc 光電話機

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS533704A (en) * 1976-06-30 1978-01-13 Nec Corp Photo-fiber transmission system

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS533704A (en) * 1976-06-30 1978-01-13 Nec Corp Photo-fiber transmission system

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4525873A (en) * 1981-09-24 1985-06-25 Siemens Aktiengesellschaft Device for transmitting measured values to a remote location
US4525874A (en) * 1981-09-24 1985-06-25 Siemens Aktiengesellschaft Device for transmitting measured values to a remote location
JPH0225126A (ja) * 1988-07-14 1990-01-26 Fujitsu Ltd 光加入者線伝送方式
JPH02150132A (ja) * 1988-12-01 1990-06-08 Yokogawa Electric Corp プロセス信号伝送装置
JPH02214248A (ja) * 1989-02-14 1990-08-27 Tohoku Electric Power Co Inc 光電話機

Also Published As

Publication number Publication date
JPS6219098B2 (enrdf_load_stackoverflow) 1987-04-27

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