CH351641A - Schaltungsanordnung in Fernmeldeanlagen - Google Patents
Schaltungsanordnung in FernmeldeanlagenInfo
- Publication number
- CH351641A CH351641A CH351641DA CH351641A CH 351641 A CH351641 A CH 351641A CH 351641D A CH351641D A CH 351641DA CH 351641 A CH351641 A CH 351641A
- Authority
- CH
- Switzerland
- Prior art keywords
- circuit arrangement
- telecommunications systems
- telecommunications
- systems
- arrangement
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Interface Circuits In Exchanges (AREA)
- Monitoring And Testing Of Exchanges (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US510427A US2844654A (en) | 1955-05-23 | 1955-05-23 | Single-relay line circuit |
Publications (1)
Publication Number | Publication Date |
---|---|
CH351641A true CH351641A (de) | 1961-01-31 |
Family
ID=24030696
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH351641D CH351641A (de) | 1955-05-23 | 1956-05-16 | Schaltungsanordnung in Fernmeldeanlagen |
Country Status (3)
Country | Link |
---|---|
US (1) | US2844654A (de) |
BE (1) | BE548005A (de) |
CH (1) | CH351641A (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1042666B (de) * | 1955-03-31 | 1958-11-06 | Siemens Ag | Schaltungsanordnung fuer Fernmelde-, insbesondere Fernsprechanlagen mit Waehlsternanschluessen |
US3156779A (en) * | 1960-11-25 | 1964-11-10 | Automatic Elect Lab | Line finding arrangement |
US3475562A (en) * | 1965-03-09 | 1969-10-28 | Siemens Ag | Apparatus for control of seizure of central identification apparatus of a telephone pbx system |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2152889A (en) * | 1935-05-31 | 1939-04-04 | Panstwowe Zaklady Tele I Radjo | Telephone system |
US2193427A (en) * | 1938-03-10 | 1940-03-12 | Bell Telephone Labor Inc | Telephone system |
US2410304A (en) * | 1944-03-20 | 1946-10-29 | Stromberg Carlson Co | Automatic telephone system |
-
0
- BE BE548005D patent/BE548005A/xx unknown
-
1955
- 1955-05-23 US US510427A patent/US2844654A/en not_active Expired - Lifetime
-
1956
- 1956-05-16 CH CH351641D patent/CH351641A/de unknown
Also Published As
Publication number | Publication date |
---|---|
US2844654A (en) | 1958-07-22 |
BE548005A (de) |
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