GB521144A - Improvements in or relating to switches for use, for instance, in automatic telephone systems - Google Patents
Improvements in or relating to switches for use, for instance, in automatic telephone systemsInfo
- Publication number
- GB521144A GB521144A GB29132/38A GB2913238A GB521144A GB 521144 A GB521144 A GB 521144A GB 29132/38 A GB29132/38 A GB 29132/38A GB 2913238 A GB2913238 A GB 2913238A GB 521144 A GB521144 A GB 521144A
- Authority
- GB
- United Kingdom
- Prior art keywords
- contacts
- outlet
- operating
- contact
- strips
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H67/00—Electrically-operated selector switches
- H01H67/02—Multi-position wiper switches
- H01H67/04—Multi-position wiper switches having wipers movable only in one direction for purpose of selection
- H01H67/06—Rotary switches, i.e. having angularly movable wipers
Landscapes
- Structure Of Telephone Exchanges (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BE238418X | 1937-11-10 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB521144A true GB521144A (en) | 1940-05-14 |
Family
ID=3866356
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB29132/38A Expired GB521144A (en) | 1937-11-10 | 1938-10-07 | Improvements in or relating to switches for use, for instance, in automatic telephone systems |
Country Status (3)
Country | Link |
---|---|
CH (1) | CH238418A (fr) |
FR (1) | FR845611A (fr) |
GB (1) | GB521144A (fr) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1110694B (de) * | 1959-04-11 | 1961-07-13 | Schori Ag Ernst | Auswahleinrichtung fuer Fernmelde-, insbesondere Fernsprechanlagen |
-
1938
- 1938-10-07 GB GB29132/38A patent/GB521144A/en not_active Expired
- 1938-11-04 FR FR845611D patent/FR845611A/fr not_active Expired
- 1938-11-10 CH CH238418D patent/CH238418A/fr unknown
Also Published As
Publication number | Publication date |
---|---|
CH238418A (fr) | 1945-07-15 |
FR845611A (fr) | 1939-08-29 |
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