JPS55159402A - Full mirror type channel-connecting photo switch having photo detector - Google Patents
Full mirror type channel-connecting photo switch having photo detectorInfo
- Publication number
- JPS55159402A JPS55159402A JP6687479A JP6687479A JPS55159402A JP S55159402 A JPS55159402 A JP S55159402A JP 6687479 A JP6687479 A JP 6687479A JP 6687479 A JP6687479 A JP 6687479A JP S55159402 A JPS55159402 A JP S55159402A
- Authority
- JP
- Japan
- Prior art keywords
- photo
- switch
- calls
- light signal
- photo detector
- 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
Links
Landscapes
- Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
- Mechanical Light Control Or Optical Switches (AREA)
Abstract
PURPOSE:To miniaturize the photo switch and make the detection of first calls easy by adding the photo detectors which detect the first calls from subscribers to the channel-connecting photo switch which comprises arraying a plurality of photo switches having full mirrors in matrix form. CONSTITUTION:The light signal of the first call from a subscriber 1 is sent to a channel-connecting photo switch 2 past an optical fiber cable 3. At this time, the full mirrors of all the photo switches are down, hence the light signal is directly input to a photo detector 7. The photo detector 7 converts the light signal into an electric signal which is then input to a control circuit 4. Based on this information, the control circuit 4 raises a necessary mirror 5 thereby performing the connnection of the X-row and Y-column. Hence, the first call signal 3 from the subscriber is connected by way of optical fibers 3 and 6 to the exchange of the other station. Thereby, the device may be miniaturized and the detection of the first calls from the subscribers may be done with ease.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6687479A JPS55159402A (en) | 1979-05-31 | 1979-05-31 | Full mirror type channel-connecting photo switch having photo detector |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6687479A JPS55159402A (en) | 1979-05-31 | 1979-05-31 | Full mirror type channel-connecting photo switch having photo detector |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS55159402A true JPS55159402A (en) | 1980-12-11 |
JPS6320324B2 JPS6320324B2 (en) | 1988-04-27 |
Family
ID=13328441
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP6687479A Granted JPS55159402A (en) | 1979-05-31 | 1979-05-31 | Full mirror type channel-connecting photo switch having photo detector |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS55159402A (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4955686A (en) * | 1989-06-16 | 1990-09-11 | Gte Laboratories Incorporated | Optical fiber crossconnect switch |
EP1092166A2 (en) * | 1998-06-05 | 2001-04-18 | Afn Llc | Planar array optical switch and method |
WO2002025358A3 (en) * | 2000-09-22 | 2003-08-14 | Movaz Networks Inc | Variable transmission multi-channel optical switch |
US6829403B2 (en) | 2002-03-15 | 2004-12-07 | Fujitsu Limited | Optical switch having an array of optical fibers with respective, removable disposed mirrors and a lens disposed away from an end surface of each corresponding optical fiber |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4934214A (en) * | 1972-07-28 | 1974-03-29 | ||
JPS532237U (en) * | 1976-06-25 | 1978-01-11 |
-
1979
- 1979-05-31 JP JP6687479A patent/JPS55159402A/en active Granted
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4934214A (en) * | 1972-07-28 | 1974-03-29 | ||
JPS532237U (en) * | 1976-06-25 | 1978-01-11 |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4955686A (en) * | 1989-06-16 | 1990-09-11 | Gte Laboratories Incorporated | Optical fiber crossconnect switch |
EP1092166A2 (en) * | 1998-06-05 | 2001-04-18 | Afn Llc | Planar array optical switch and method |
EP1092166A4 (en) * | 1998-06-05 | 2004-09-29 | Afn Llc | Planar array optical switch and method |
WO2002025358A3 (en) * | 2000-09-22 | 2003-08-14 | Movaz Networks Inc | Variable transmission multi-channel optical switch |
US6798941B2 (en) | 2000-09-22 | 2004-09-28 | Movaz Networks, Inc. | Variable transmission multi-channel optical switch |
US6829403B2 (en) | 2002-03-15 | 2004-12-07 | Fujitsu Limited | Optical switch having an array of optical fibers with respective, removable disposed mirrors and a lens disposed away from an end surface of each corresponding optical fiber |
Also Published As
Publication number | Publication date |
---|---|
JPS6320324B2 (en) | 1988-04-27 |
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