JPS304368B1 - - Google Patents
Info
- Publication number
- JPS304368B1 JPS304368B1 JP76225457A JP76225457A JPS304368B1 JP S304368 B1 JPS304368 B1 JP S304368B1 JP 76225457 A JP76225457 A JP 76225457A JP 76225457 A JP76225457 A JP 76225457A JP S304368 B1 JPS304368 B1 JP S304368B1
- Authority
- JP
- Japan
- 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.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H53/00—Relays using the dynamo-electric effect, i.e. relays in which contacts are opened or closed due to relative movement of current-carrying conductor and magnetic field caused by force of interaction between them
- H01H53/10—Induction relays, i.e. relays in which the interaction is between a magnetic field and current induced thereby in a conductor
- H01H53/12—Ferraris relays
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US350584A US2797369A (en) | 1953-04-23 | 1953-04-23 | Quick reset induction time delay device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS304368B1 true JPS304368B1 (en:Method) | 1955-06-27 |
Family
ID=23377353
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP76225457A Pending JPS304368B1 (en:Method) | 1953-04-23 | 1953-04-15 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US2797369A (en:Method) |
| JP (1) | JPS304368B1 (en:Method) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2971131A (en) * | 1956-12-19 | 1961-02-07 | Gen Electric | Protective relaying system for an electric power transmission circuit |
| GB873129A (en) * | 1956-12-21 | 1961-07-19 | English Electric Co Ltd | Improvements in and relating to electrical time-overcurrent protective relays |
| CA658853A (en) * | 1958-05-26 | 1963-03-05 | Westinghouse Electric Corporation | Time delay relay |
| US3105921A (en) * | 1960-05-09 | 1963-10-01 | Mc Graw Edison Co | Quick reset induction disk relay |
| US3109962A (en) * | 1960-07-26 | 1963-11-05 | Westinghouse Electric Corp | Time-delay devices |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1027440A (en) * | 1911-07-28 | 1912-05-28 | Allis Chalmers | Time-element device. |
| GB337119A (en) * | 1929-09-04 | 1930-10-30 | Gen Electric Co Ltd | Improvements in or relating to electric relays |
| CA491424A (en) * | 1950-10-09 | 1953-03-17 | E. Glassburn William | Relays |
-
1953
- 1953-04-15 JP JP76225457A patent/JPS304368B1/ja active Pending
- 1953-04-23 US US350584A patent/US2797369A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US2797369A (en) | 1957-06-25 |