JPS525209B2 - - Google Patents

Info

Publication number: JPS525209B2
Authority: JP; Japan
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

JP47075638A

Other languages

Other versions

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.)

1972-07-28

Filing date

1972-07-28

Publication date

1977-02-10

1972-07-28 Application filed filed Critical

1972-07-28 Priority to JP47075638A priority Critical patent/JPS525209B2/ja

1974-03-29 Publication of JPS4934214A publication Critical patent/JPS4934214A/ja

1977-02-10 Publication of JPS525209B2 publication Critical patent/JPS525209B2/ja

Status Expired legal-status Critical Current

Landscapes

Optical Integrated Circuits (AREA)
Electronic Switches (AREA)
Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
Optical Communication System (AREA)
Mechanical Light Control Or Optical Switches (AREA)

JP47075638A 1972-07-28 1972-07-28 Expired JPS525209B2 (en)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
JP47075638A JPS525209B2 (en)	1972-07-28	1972-07-28

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
JP47075638A JPS525209B2 (en)	1972-07-28	1972-07-28

Publications (2)

Publication Number	Publication Date
JPS4934214A JPS4934214A (en)	1974-03-29
JPS525209B2 true JPS525209B2 (en)	1977-02-10

Family

ID=13581983

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
JP47075638A Expired JPS525209B2 (en)	1972-07-28	1972-07-28

Country Status (1)

Country	Link
JP (1)	JPS525209B2 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS5849075B2 (en) *	1975-06-24	1983-11-01	日本電気株式会社	Hikari Tsuushinyou Kirika Matrix
JPS5498505A (en) *	1978-01-20	1979-08-03	Nippon Telegr & Teleph Corp <Ntt>	Optical exchanger for broad band signal
JPS5526765A (en) *	1978-08-15	1980-02-26	Nippon Telegr & Teleph Corp <Ntt>	Switch matrix for photo switchboard
JPS5557707U (en) *	1978-10-16	1980-04-19
JPS55156902A (en) *	1979-05-25	1980-12-06	Fujitsu Ltd	Partly transmittable mirror channel-connecting photo switch having photodetector
JPS55159402A (en) *	1979-05-31	1980-12-11	Fujitsu Ltd	Full mirror type channel-connecting photo switch having photo detector
JPS5825605A (en) *	1981-08-08	1983-02-15	Nippon Telegr & Teleph Corp <Ntt>	Optical matrix switch
IT1165499B (en) *	1983-12-20	1987-04-22	Alfa Romeo Auto Spa	SISTEAM FOR THE FLEXIBLE COMPOSITION OF LASER BEAMS

1972
- 1972-07-28 JP JP47075638A patent/JPS525209B2/ja not_active Expired

Also Published As

Publication number	Publication date
JPS4934214A (en)	1974-03-29

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