CH280687A - Circuit arrangement for the mutual blocking of a selector switch and a caller switch. - Google Patents
Circuit arrangement for the mutual blocking of a selector switch and a caller switch.Info
- Publication number
- CH280687A CH280687A CH280687DA CH280687A CH 280687 A CH280687 A CH 280687A CH 280687D A CH280687D A CH 280687DA CH 280687 A CH280687 A CH 280687A
- Authority
- CH
- Switzerland
- Prior art keywords
- switch
- circuit arrangement
- caller
- mutual blocking
- selector switch
- 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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL280687X | 1949-01-14 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH280687A true CH280687A (en) | 1952-01-31 |
Family
ID=19782290
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH280687D CH280687A (en) | 1949-01-14 | 1950-01-13 | Circuit arrangement for the mutual blocking of a selector switch and a caller switch. |
Country Status (5)
Country | Link |
---|---|
BE (1) | BE493239A (en) |
CH (1) | CH280687A (en) |
DE (1) | DE822564C (en) |
FR (1) | FR1008258A (en) |
GB (1) | GB685309A (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE969954C (en) * | 1954-10-28 | 1958-08-07 | Allg Telefon Fabrik G M B H | Circuit arrangement for telecommunications systems with call seekers |
DE1029044B (en) * | 1955-09-14 | 1958-04-30 | Siemens Ag | Relayless subscriber circuit for telephone systems |
DE1132981B (en) * | 1960-07-13 | 1962-07-12 | Arnstadt Fernmeldewerk | Circuit arrangement for subscriber circuits in electronically controlled telephone systems |
-
0
- BE BE493239D patent/BE493239A/xx unknown
-
1950
- 1950-01-11 GB GB735/50A patent/GB685309A/en not_active Expired
- 1950-01-12 FR FR1008258D patent/FR1008258A/en not_active Expired
- 1950-01-13 CH CH280687D patent/CH280687A/en unknown
- 1950-01-13 DE DEN395A patent/DE822564C/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
BE493239A (en) | |
GB685309A (en) | 1952-12-31 |
DE822564C (en) | 1951-11-26 |
FR1008258A (en) | 1952-05-15 |
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