CH301972A - Device for reserving selectors, lines or links arranged in groups in automatic signaling systems. - Google Patents
Device for reserving selectors, lines or links arranged in groups in automatic signaling systems.Info
- Publication number
- CH301972A CH301972A CH301972DA CH301972A CH 301972 A CH301972 A CH 301972A CH 301972D A CH301972D A CH 301972DA CH 301972 A CH301972 A CH 301972A
- Authority
- CH
- Switzerland
- Prior art keywords
- selectors
- reserving
- groups
- lines
- signaling systems
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q1/00—Details of selecting apparatus or arrangements
- H04Q1/18—Electrical details
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Monitoring And Testing Of Exchanges (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL301972X | 1951-01-22 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH301972A true CH301972A (en) | 1954-09-30 |
Family
ID=19783326
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH301972D CH301972A (en) | 1951-01-22 | 1952-01-04 | Device for reserving selectors, lines or links arranged in groups in automatic signaling systems. |
Country Status (6)
Country | Link |
---|---|
BE (1) | BE508254A (en) |
CH (1) | CH301972A (en) |
DE (1) | DE907537C (en) |
FR (1) | FR1056900A (en) |
GB (1) | GB747174A (en) |
NL (2) | NL158691B (en) |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1474648A (en) * | 1920-10-01 | 1923-11-20 | Automatic Electric Co | Automatic telephone system |
DE460793C (en) * | 1921-04-08 | 1928-06-12 | Siemens & Halske Akt Ges | Circuit arrangement for telephone systems with dialer operation |
CH238239A (en) * | 1943-07-03 | 1945-06-30 | Fides Gmbh | Circuit arrangement in telephone systems with dialer operation. |
US2397887A (en) * | 1944-10-05 | 1946-04-02 | American Telephone & Telegraph | Automatic alternate routing of interoffice calls |
FR933606A (en) * | 1946-08-27 | 1948-04-27 | Constr Telephoniques | Improvements to automatic telephone systems |
-
0
- BE BE508254D patent/BE508254A/xx unknown
- NL NL81072D patent/NL81072C/xx active
- NL NL7311095.A patent/NL158691B/en unknown
-
1952
- 1952-01-04 CH CH301972D patent/CH301972A/en unknown
- 1952-01-06 DE DEST4329A patent/DE907537C/en not_active Expired
- 1952-01-09 GB GB726/52A patent/GB747174A/en not_active Expired
- 1952-01-15 FR FR1056900D patent/FR1056900A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE907537C (en) | 1954-03-25 |
NL158691B (en) | |
BE508254A (en) | |
GB747174A (en) | 1956-03-28 |
FR1056900A (en) | 1954-03-03 |
NL81072C (en) |
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