CH319419A - Installation téléphonique automatique - Google Patents
Installation téléphonique automatiqueInfo
- Publication number
- CH319419A CH319419A CH319419DA CH319419A CH 319419 A CH319419 A CH 319419A CH 319419D A CH319419D A CH 319419DA CH 319419 A CH319419 A CH 319419A
- Authority
- CH
- Switzerland
- Prior art keywords
- automatic telephone
- telephone installation
- installation
- automatic
- telephone
- Prior art date
Links
- 238000009434 installation Methods 0.000 title 1
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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Exchange Systems With Centralized Control (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR901902X | 1950-10-13 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH319419A true CH319419A (fr) | 1957-02-15 |
Family
ID=9404030
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH319419D CH319419A (fr) | 1950-10-13 | 1951-10-12 | Installation téléphonique automatique |
Country Status (6)
Country | Link |
---|---|
US (1) | US2724019A (fr) |
BE (1) | BE506350A (fr) |
CH (1) | CH319419A (fr) |
DE (1) | DE901902C (fr) |
FR (1) | FR1025940A (fr) |
NL (2) | NL85263C (fr) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1112497A (fr) * | 1953-10-05 | 1956-03-14 | Gen Electric Co Ltd | Dispositif traducteur de signaux à tubes électroniques |
BE549155A (fr) * | 1955-09-06 | |||
GB812566A (en) * | 1956-07-12 | 1959-04-29 | Siemens Edison Swan Ltd | Improvements relating to translating apparatus as employed in automatic telephone and like systems |
BE559669A (fr) * | 1956-08-01 | |||
BE559668A (fr) * | 1956-08-10 | |||
DE1079692B (de) * | 1957-12-20 | 1960-04-14 | Standard Elektrik Lorenz Ag | Schaltungsanordnung zum Identifizieren eines durch einen angelegten Wechselstrom gekennzeichneten Anschlusspunktes |
US3025354A (en) * | 1957-12-23 | 1962-03-13 | Itt | Party line substation identification system |
FR1212783A (fr) * | 1958-07-11 | 1960-03-25 | Constr Telephoniques | Perfectionnements aux dispositifs d'identification |
NL254961A (fr) * | 1959-08-17 | |||
DE1119924B (de) * | 1959-09-19 | 1961-12-21 | Standard Elektrik Lorenz Ag | Schaltungsanordnung fuer die Aus- und Umwertung von Kennzahlen |
GB979592A (en) * | 1961-02-14 | 1965-01-06 | Nippon Electric Co | Improvements in or relating to electrical code translator equipment |
US5871636A (en) * | 1997-08-29 | 1999-02-16 | Exxon Research And Engineering Company | Catalytic reduction of acidity of crude oils in the absence of hydrogen |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL67277C (fr) * | 1939-09-21 | |||
US2284870A (en) * | 1940-09-20 | 1942-06-02 | Bell Telephone Labor Inc | Telephone system |
US2298699A (en) * | 1941-05-29 | 1942-10-13 | Bell Telephone Labor Inc | Translation device |
BE477655A (fr) * | 1941-08-15 | |||
BE473095A (fr) * | 1946-05-17 | |||
US2517587A (en) * | 1946-12-09 | 1950-08-08 | Bell Telephone Labor Inc | Secret message transmission system |
US2633498A (en) * | 1948-12-29 | 1953-03-31 | Bell Telephone Labor Inc | Selecting and two-way translating system |
US2603716A (en) * | 1949-12-23 | 1952-07-15 | Bell Telephone Labor Inc | Decoder and translator with readily changeable translations |
-
0
- NL NL7013186.A patent/NL164620B/xx unknown
- NL NL85263D patent/NL85263C/xx active
- BE BE506350D patent/BE506350A/xx unknown
-
1950
- 1950-10-13 FR FR1025940D patent/FR1025940A/fr not_active Expired
-
1951
- 1951-10-08 US US250318A patent/US2724019A/en not_active Expired - Lifetime
- 1951-10-12 CH CH319419D patent/CH319419A/fr unknown
- 1951-10-13 DE DEI4729A patent/DE901902C/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US2724019A (en) | 1955-11-15 |
DE901902C (de) | 1954-03-08 |
FR1025940A (fr) | 1953-04-21 |
BE506350A (fr) | |
NL164620B (nl) | |
NL85263C (fr) |
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