JPS54109707A - Exchange by light signal - Google Patents
Exchange by light signalInfo
- Publication number
- JPS54109707A JPS54109707A JP15013678A JP15013678A JPS54109707A JP S54109707 A JPS54109707 A JP S54109707A JP 15013678 A JP15013678 A JP 15013678A JP 15013678 A JP15013678 A JP 15013678A JP S54109707 A JPS54109707 A JP S54109707A
- Authority
- JP
- Japan
- Prior art keywords
- exchange
- light signal
- light
- signal
- 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.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
- H04Q3/42—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker
- H04Q3/52—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker using static devices in switching stages, e.g. electronic switching arrangements
- H04Q3/526—Optical switching systems
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
- Optical Communication System (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7736721A FR2411531A1 (fr) | 1977-12-06 | 1977-12-06 | Dispositif de commutation de signaux optiques, notamment de telecommunications, et autocommutateur comportant ce dispositif |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS54109707A true JPS54109707A (en) | 1979-08-28 |
Family
ID=9198518
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP15013678A Pending JPS54109707A (en) | 1977-12-06 | 1978-12-06 | Exchange by light signal |
Country Status (4)
Country | Link |
---|---|
JP (1) | JPS54109707A (ja) |
DE (1) | DE2851981A1 (ja) |
FR (1) | FR2411531A1 (ja) |
GB (1) | GB2012044B (ja) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4437190A (en) * | 1978-11-08 | 1984-03-13 | Boris Rozenwaig | Device for switching signals by optical means and automatic switching units comprising said device |
FR2458195B1 (fr) * | 1979-05-30 | 1986-02-28 | Materiel Telephonique | Commutateur optique a tres grand nombre de voies |
GB2139034B (en) * | 1980-02-04 | 1985-05-22 | Herzl Laor | Communications exchange |
CA1192646A (en) * | 1980-02-04 | 1985-08-27 | Herzl Laor | Piezoelectric apparatus for positioning optical fibers |
FR2526255A1 (fr) * | 1982-04-30 | 1983-11-04 | Rozenwaig Boris | Commutateurs opto-electroniques a organes selecteurs multicanaux pour systemes de telecommunications a large bande et organes opto-electroniques selecteurs pour lesdits commutateurs |
GB2196503A (en) * | 1986-10-15 | 1988-04-27 | Plessey Co Plc | An arrangement for linking multistage switching matrices |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2206098C3 (de) * | 1972-02-09 | 1980-03-13 | Philips Patentverwaltung Gmbh, 2000 Hamburg | Koppelfeld für ein Vermittlungssystem von Nachrichtenkanälen, vorzugsweise im optischen Frequenzbereich |
-
1977
- 1977-12-06 FR FR7736721A patent/FR2411531A1/fr active Granted
-
1978
- 1978-12-01 DE DE19782851981 patent/DE2851981A1/de active Granted
- 1978-12-06 JP JP15013678A patent/JPS54109707A/ja active Pending
- 1978-12-06 GB GB7847400A patent/GB2012044B/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB2012044B (en) | 1982-07-07 |
FR2411531A1 (fr) | 1979-07-06 |
DE2851981A1 (de) | 1979-06-07 |
DE2851981C2 (ja) | 1988-01-14 |
GB2012044A (en) | 1979-07-18 |
FR2411531B1 (ja) | 1982-01-15 |
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