GB646117A - Devices for the relay type - Google Patents
Devices for the relay typeInfo
- Publication number
- GB646117A GB646117A GB21393/48A GB2139348A GB646117A GB 646117 A GB646117 A GB 646117A GB 21393/48 A GB21393/48 A GB 21393/48A GB 2139348 A GB2139348 A GB 2139348A GB 646117 A GB646117 A GB 646117A
- Authority
- GB
- United Kingdom
- Prior art keywords
- mercury
- armature
- magnetic material
- contacts
- plates
- 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
- H01H1/00—Contacts
- H01H1/06—Contacts characterised by the shape or structure of the contact-making surface, e.g. grooved
- H01H1/08—Contacts characterised by the shape or structure of the contact-making surface, e.g. grooved wetted with mercury
Landscapes
- Electromagnets (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US775081A US2473693A (en) | 1947-09-19 | 1947-09-19 | Mercury contact device |
Publications (1)
Publication Number | Publication Date |
---|---|
GB646117A true GB646117A (en) | 1950-11-15 |
Family
ID=25103267
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB21393/48A Expired GB646117A (en) | 1947-09-19 | 1948-08-13 | Devices for the relay type |
Country Status (7)
Country | Link |
---|---|
US (1) | US2473693A (fr) |
BE (1) | BE482168A (fr) |
CH (1) | CH278395A (fr) |
DE (1) | DE824811C (fr) |
FR (1) | FR964631A (fr) |
GB (1) | GB646117A (fr) |
NL (1) | NL70005C (fr) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE498493A (fr) * | 1949-10-05 | |||
FR2498689A1 (fr) * | 1981-01-23 | 1982-07-30 | Socapex | Dispositif de rappel par tension de surface d'un liquide, interrupteur comportant un tel dispositif et son utilisation dans les relais a commande magnetique |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2317695A (en) * | 1940-06-15 | 1943-04-27 | Bell Telephone Labor Inc | Electric switch |
US2295602A (en) * | 1941-07-17 | 1942-09-15 | Bell Telephone Labor Inc | Switching device |
-
0
- FR FR964631D patent/FR964631A/fr not_active Expired
- NL NL70005D patent/NL70005C/xx active
- BE BE482168D patent/BE482168A/xx unknown
-
1947
- 1947-09-19 US US775081A patent/US2473693A/en not_active Expired - Lifetime
-
1948
- 1948-08-13 GB GB21393/48A patent/GB646117A/en not_active Expired
- 1948-09-18 CH CH278395D patent/CH278395A/fr unknown
- 1948-12-31 DE DEP28907A patent/DE824811C/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE824811C (de) | 1951-12-13 |
US2473693A (en) | 1949-06-21 |
CH278395A (fr) | 1951-10-15 |
NL70005C (fr) | |
FR964631A (fr) | 1950-08-19 |
BE482168A (fr) |
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