JPS4934214A - - Google Patents
Info
- Publication number
- JPS4934214A JPS4934214A JP47075638A JP7563872A JPS4934214A JP S4934214 A JPS4934214 A JP S4934214A JP 47075638 A JP47075638 A JP 47075638A JP 7563872 A JP7563872 A JP 7563872A JP S4934214 A JPS4934214 A JP S4934214A
- 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.)
- Granted
Links
Landscapes
- 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)
- Optical Integrated Circuits (AREA)
- Electronic Switches (AREA)
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 true JPS4934214A (en) | 1974-03-29 |
| JPS525209B2 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) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS522201A (en) * | 1975-06-24 | 1977-01-08 | Nec Corp | Changeover matrix for light communication |
| 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 |
| JPS60153024A (en) * | 1983-12-20 | 1985-08-12 | アルファ・ランシア・インダストリアレ・ソチエタ・ペル・アチオニ | System for composing laser beam flexibly |
-
1972
- 1972-07-28 JP JP47075638A patent/JPS525209B2/ja not_active Expired
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS522201A (en) * | 1975-06-24 | 1977-01-08 | Nec Corp | Changeover matrix for light communication |
| 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 |
| JPH02682B2 (en) * | 1979-05-25 | 1990-01-09 | Fujitsu Ltd | |
| JPS55159402A (en) * | 1979-05-31 | 1980-12-11 | Fujitsu Ltd | Full mirror type channel-connecting photo switch having photo detector |
| JPS6320324B2 (en) * | 1979-05-31 | 1988-04-27 | Fujitsu Ltd | |
| JPS5825605A (en) * | 1981-08-08 | 1983-02-15 | Nippon Telegr & Teleph Corp <Ntt> | Optical matrix switch |
| JPS6257011B2 (en) * | 1981-08-08 | 1987-11-28 | Nippon Telegraph & Telephone | |
| JPS60153024A (en) * | 1983-12-20 | 1985-08-12 | アルファ・ランシア・インダストリアレ・ソチエタ・ペル・アチオニ | System for composing laser beam flexibly |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS525209B2 (en) | 1977-02-10 |