CH223660A - Installation de central automatique pour télécommunications. - Google Patents
Installation de central automatique pour télécommunications.Info
- Publication number
- CH223660A CH223660A CH223660DA CH223660A CH 223660 A CH223660 A CH 223660A CH 223660D A CH223660D A CH 223660DA CH 223660 A CH223660 A CH 223660A
- Authority
- CH
- Switzerland
- Prior art keywords
- telecommunications
- installation
- automatic exchange
- exchange
- automatic
- Prior art date
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
- H04Q3/525—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 tubes in the switching stages
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Devices For Supply Of Signal Current (AREA)
- Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US263585A US2224677A (en) | 1939-03-23 | 1939-03-23 | Signaling system |
GB5911/40A GB547553A (en) | 1939-03-23 | 1940-04-02 | Improvements in telecommunication exchange systems |
NL97621A NL52685C (US06262066-20010717-C00424.png) | 1939-03-23 | 1940-04-12 | |
FR866501T | 1940-04-13 | ||
CH223660T | 1940-04-20 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH223660A true CH223660A (fr) | 1942-09-30 |
Family
ID=9804924
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH223660D CH223660A (fr) | 1939-03-23 | 1940-04-20 | Installation de central automatique pour télécommunications. |
Country Status (5)
Families Citing this family (37)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR857806A (fr) * | 1939-04-07 | 1940-10-01 | Materiel Telephonique | Système commandés par impulsions électriques |
US2474224A (en) * | 1939-04-28 | 1949-06-28 | Int Standard Electric Corp | Electronic switch |
NL69984C (US06262066-20010717-C00424.png) * | 1939-05-26 | |||
US2446945A (en) * | 1942-08-25 | 1948-08-10 | Rca Corp | Electronic computing device |
US2436677A (en) * | 1942-12-31 | 1948-02-24 | Rca Corp | Incremental deflection of cathoderay beam |
US2498081A (en) * | 1944-12-29 | 1950-02-21 | Bell Telephone Labor Inc | Electronic counting |
US2517712A (en) * | 1945-01-24 | 1950-08-08 | Bendix Aviat Corp | Electronic counter |
US3340361A (en) * | 1945-07-09 | 1967-09-05 | Bell Telephone Labor Inc | Signaling system with cathode ray tube quantizer |
US2528020A (en) * | 1945-07-24 | 1950-10-31 | Philco Corp | Mask controlled feedback system for cathode-ray tubes |
US2477008A (en) * | 1945-08-01 | 1949-07-26 | Rosen Leo | Electrical apparatus |
US3104316A (en) * | 1945-08-20 | 1963-09-17 | Philip H Allen | Registers |
NL71624C (US06262066-20010717-C00424.png) * | 1945-09-20 | |||
US2472774A (en) * | 1945-10-17 | 1949-06-07 | Farnsworth Res Corp | Irregular interlace scanning system |
US3076146A (en) * | 1945-12-27 | 1963-01-29 | Bell Telephone Labor Inc | Cathode beam tube circuit having means for converting current variations to stepped waveform |
US2556179A (en) * | 1946-03-02 | 1951-06-12 | Int Standard Electric Corp | Multiple pulse producing system |
BE473041A (US06262066-20010717-C00424.png) * | 1946-04-06 | |||
US2528100A (en) * | 1946-05-31 | 1950-10-31 | Bell Telephone Labor Inc | Electronic calculator |
NL75979C (US06262066-20010717-C00424.png) * | 1946-10-23 | |||
US2531624A (en) * | 1947-05-01 | 1950-11-28 | Bell Telephone Labor Inc | Selective signaling system |
US2719248A (en) * | 1947-07-11 | 1955-09-27 | Josephson Bengt Adolf Sanmel | Electron discharge device |
US2565486A (en) * | 1947-11-10 | 1951-08-28 | Int Standard Electric Corp | Pulse duration separation system |
US2587734A (en) * | 1947-12-22 | 1952-03-04 | Meguer V Kalfaian | Modulator tube and circuits |
US2786193A (en) * | 1948-03-10 | 1957-03-19 | Raytheon Mfg Co | Underwater sound system |
US2599368A (en) * | 1948-05-10 | 1952-06-03 | Bell Telephone Labor Inc | Beam switching system |
US2670405A (en) * | 1948-06-10 | 1954-02-23 | Bell Telephone Labor Inc | Signaling system employing electron beams |
US2599949A (en) * | 1948-06-24 | 1952-06-10 | Nat Union Radio Corp | Electronic stepping switch |
US2781171A (en) * | 1948-09-17 | 1957-02-12 | Northrop Aircraft Inc | Electronic counting tube |
US2560166A (en) * | 1949-01-14 | 1951-07-10 | Jr William E Glenn | Pulse analyzer |
US2632147A (en) * | 1949-02-09 | 1953-03-17 | Bell Telephone Labor Inc | Communication system employing pulse code modulation |
US2564908A (en) * | 1949-03-08 | 1951-08-21 | Nat Union Radio Corp | Voltage sampling and electron beam holding arrangement |
GB656170A (en) * | 1949-07-29 | 1951-08-15 | Gen Electric Co Ltd | Improvements in and relating to cathode ray tube distributors, for use, for example,in multi-channel pulse signalling systems |
US2609455A (en) * | 1949-11-30 | 1952-09-02 | Bell Telephone Labor Inc | Telephone system |
US2728911A (en) * | 1950-04-11 | 1955-12-27 | Cutler Phil | Frequency selective device |
US2704336A (en) * | 1951-01-03 | 1955-03-15 | Kazan Benjamin | Pulse counting tube |
US2795376A (en) * | 1951-08-17 | 1957-06-11 | Stevens Res Foundation | Computing unit for addition and multiplication |
US2940047A (en) * | 1955-09-14 | 1960-06-07 | Burroughs Corp | Multi-position electronic gating circuits |
US3035202A (en) * | 1959-04-21 | 1962-05-15 | Gen Dynamics Corp | Counting tube system |
-
1939
- 1939-03-23 US US263585A patent/US2224677A/en not_active Expired - Lifetime
-
1940
- 1940-04-02 GB GB5911/40A patent/GB547553A/en not_active Expired
- 1940-04-12 NL NL97621A patent/NL52685C/xx active
- 1940-04-13 FR FR866501D patent/FR866501A/fr not_active Expired
- 1940-04-20 CH CH223660D patent/CH223660A/fr unknown
Also Published As
Publication number | Publication date |
---|---|
NL52685C (US06262066-20010717-C00424.png) | 1942-06-15 |
FR866501A (fr) | 1941-08-19 |
GB547553A (en) | 1942-09-02 |
US2224677A (en) | 1940-12-10 |
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