JPS53132253A - Matrix opening and closing device - Google Patents
Matrix opening and closing deviceInfo
- Publication number
- JPS53132253A JPS53132253A JP4673578A JP4673578A JPS53132253A JP S53132253 A JPS53132253 A JP S53132253A JP 4673578 A JP4673578 A JP 4673578A JP 4673578 A JP4673578 A JP 4673578A JP S53132253 A JPS53132253 A JP S53132253A
- Authority
- JP
- Japan
- Prior art keywords
- closing device
- matrix opening
- matrix
- opening
- closing
- 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
- H04Q3/521—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 using semiconductors in the switching stages
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7711999A FR2388447A1 (fr) | 1977-04-21 | 1977-04-21 | Dispositif de commutation de type matriciel |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS53132253A true JPS53132253A (en) | 1978-11-17 |
Family
ID=9189715
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP4673578A Pending JPS53132253A (en) | 1977-04-21 | 1978-04-21 | Matrix opening and closing device |
Country Status (11)
Country | Link |
---|---|
US (1) | US4197428A (ja) |
JP (1) | JPS53132253A (ja) |
BE (1) | BE865621A (ja) |
BR (1) | BR7802459A (ja) |
CA (1) | CA1116282A (ja) |
DE (1) | DE2816262A1 (ja) |
FR (1) | FR2388447A1 (ja) |
GB (1) | GB1553657A (ja) |
IT (1) | IT1094304B (ja) |
NL (1) | NL7804173A (ja) |
SE (1) | SE426282B (ja) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS54139415A (en) * | 1978-04-21 | 1979-10-29 | Hitachi Ltd | Semiconductor channel switch |
US4472691A (en) * | 1982-06-01 | 1984-09-18 | Rca Corporation | Power divider/combiner circuit as for use in a switching matrix |
GB8527038D0 (en) * | 1985-11-02 | 1985-12-04 | Midlands Video Systems Ltd | Switching system |
CA2011828A1 (en) * | 1989-03-17 | 1990-09-17 | Michael Cooperman | Broadband switch matrix with non-linear cascading |
US5465087A (en) * | 1989-05-04 | 1995-11-07 | Gte Laboratories Incorporated | Broadband switch |
CA2015809A1 (en) * | 1989-05-04 | 1990-11-04 | Richard W. Sieber | Broadband switch using deactivated crosspoints for establishing switching paths |
US6751217B1 (en) | 1999-10-06 | 2004-06-15 | Nortel Networks Limited | Combined selector switch and serial multi-Gb/s data pulse receiver |
US9228713B2 (en) * | 2012-08-31 | 2016-01-05 | Federal Signal Corporation | Light beacon assembly |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB945374A (en) * | 1960-11-04 | 1963-12-23 | Ass Elect Ind | Improvements relating to switching systems employing co-ordinate switching arrangements of the cross-point type |
US3666892A (en) * | 1970-05-13 | 1972-05-30 | Itt | Speech gate |
DE2251444C2 (de) * | 1972-10-20 | 1983-07-14 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Koppelfeld-Anordnung zur breitbandigen Signalübertragung in Fernmeldeanlagen |
-
1977
- 1977-04-21 FR FR7711999A patent/FR2388447A1/fr active Granted
-
1978
- 1978-03-31 IT IT21829/78A patent/IT1094304B/it active
- 1978-04-03 BE BE1008806A patent/BE865621A/xx not_active IP Right Cessation
- 1978-04-10 GB GB13967/78A patent/GB1553657A/en not_active Expired
- 1978-04-11 US US05/895,419 patent/US4197428A/en not_active Expired - Lifetime
- 1978-04-14 DE DE19782816262 patent/DE2816262A1/de active Granted
- 1978-04-19 NL NL7804173A patent/NL7804173A/xx not_active Application Discontinuation
- 1978-04-20 BR BR7802459A patent/BR7802459A/pt unknown
- 1978-04-20 CA CA301,545A patent/CA1116282A/fr not_active Expired
- 1978-04-20 SE SE7804532A patent/SE426282B/sv not_active IP Right Cessation
- 1978-04-21 JP JP4673578A patent/JPS53132253A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
IT7821829A0 (it) | 1978-03-31 |
CA1116282A (fr) | 1982-01-12 |
NL7804173A (nl) | 1978-10-24 |
US4197428A (en) | 1980-04-08 |
FR2388447B1 (ja) | 1982-02-19 |
DE2816262A1 (de) | 1978-10-26 |
BE865621A (fr) | 1978-10-03 |
DE2816262C2 (ja) | 1987-04-16 |
BR7802459A (pt) | 1978-12-26 |
IT1094304B (it) | 1985-07-26 |
GB1553657A (en) | 1979-09-26 |
SE7804532L (sv) | 1978-10-22 |
FR2388447A1 (fr) | 1978-11-17 |
SE426282B (sv) | 1982-12-20 |
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