CH248947A - Electrical contact device. - Google Patents
Electrical contact device.Info
- Publication number
- CH248947A CH248947A CH248947DA CH248947A CH 248947 A CH248947 A CH 248947A CH 248947D A CH248947D A CH 248947DA CH 248947 A CH248947 A CH 248947A
- Authority
- CH
- Switzerland
- Prior art keywords
- electrical contact
- contact device
- electrical
- contact
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/54—Contact arrangements
- H01H50/62—Co-operating movable contacts operated by separate electrical actuating means
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Electromagnets (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH2416970X | 1942-05-07 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH248947A true CH248947A (en) | 1947-05-31 |
Family
ID=4569120
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH248947D CH248947A (en) | 1942-05-07 | 1942-05-07 | Electrical contact device. |
Country Status (2)
Country | Link |
---|---|
US (1) | US2416970A (en) |
CH (1) | CH248947A (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2408210A1 (en) * | 1977-11-08 | 1979-06-01 | Telic | MULTIPLE RELAY |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US276087A (en) * | 1883-04-17 | Telegraphic relay | ||
US773324A (en) * | 1904-08-17 | 1904-10-25 | Charles F Hopewell | Track-switch-operating mechanism. |
US1151720A (en) * | 1911-01-03 | 1915-08-31 | Us Electric Signal Company | Electric railway signal system. |
US1364874A (en) * | 1918-12-27 | 1921-01-11 | Western Electric Co | Electromagnetic device |
US1496442A (en) * | 1922-07-31 | 1924-06-03 | Becker Edmund Henry | Electrical peak-voltage-control system |
US1904847A (en) * | 1928-11-10 | 1933-04-18 | Western Electric Co | Electromagnetic device |
US1964268A (en) * | 1932-07-16 | 1934-06-26 | Teletype Corp | Electromagnetic device |
US2199570A (en) * | 1938-11-12 | 1940-05-07 | Associated Electric Lab Inc | Relay |
US2317310A (en) * | 1941-04-30 | 1943-04-20 | Gertrude Israel | Film and slide projecting apparatus |
-
1942
- 1942-05-07 CH CH248947D patent/CH248947A/en unknown
-
1943
- 1943-08-04 US US497378A patent/US2416970A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US2416970A (en) | 1947-03-04 |
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