NL68774C - - Google Patents
Info
- Publication number
- NL68774C NL68774C NL68774DA NL68774C NL 68774 C NL68774 C NL 68774C NL 68774D A NL68774D A NL 68774DA NL 68774 C NL68774 C NL 68774C
- Authority
- NL
- Netherlands
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
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US641331A US2488443A (en) | 1946-01-15 | 1946-01-15 | Vane type alternating current relay |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL68774C true NL68774C (US20080094685A1-20080424-C00004.png) |
Family
ID=24571916
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL68774D NL68774C (US20080094685A1-20080424-C00004.png) | 1946-01-15 |
Country Status (6)
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2584984A (en) * | 1947-11-22 | 1952-02-12 | Armour Res Found | Compensating device for a magnetic recording-reproducing head |
| US2655132A (en) * | 1948-04-02 | 1953-10-13 | Sperry Corp | Linear motion magnetic motor |
| US2697187A (en) * | 1951-10-13 | 1954-12-14 | Westinghouse Electric Corp | Induction type alternating-current relay |
| US2752539A (en) * | 1952-03-05 | 1956-06-26 | Westinghouse Electric Corp | Induction-type alternating-current relays |
| US2858484A (en) * | 1953-10-07 | 1958-10-28 | Westinghouse Electric Corp | Induction-type alternating-current relays |
| US2934619A (en) * | 1958-05-12 | 1960-04-26 | Gladys E Freundt | Magnetic device |
| US3571769A (en) * | 1969-05-08 | 1971-03-23 | Bell Aerospace Corp | Electromagnetic force motor having adjustable magnetic saturation |
| US7777600B2 (en) | 2004-05-20 | 2010-08-17 | Powerpath Technologies Llc | Eddy current inductive drive electromechanical liner actuator and switching arrangement |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1815861A (en) * | 1928-03-13 | 1931-07-21 | Gen Electric | Protective apparatus |
| US1920818A (en) * | 1932-04-26 | 1933-08-01 | Gen Electric | Electroresponsive device |
| US2104131A (en) * | 1933-09-25 | 1938-01-04 | Detroit Edison Co | Alternating current system of distribution |
-
0
- NL NL68774D patent/NL68774C/xx active
- BE BE472651D patent/BE472651A/xx unknown
-
1946
- 1946-01-15 US US641331A patent/US2488443A/en not_active Expired - Lifetime
-
1947
- 1947-03-06 GB GB6368/47A patent/GB622171A/en not_active Expired
- 1947-03-22 CH CH266494D patent/CH266494A/fr unknown
- 1947-04-28 FR FR945920D patent/FR945920A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US2488443A (en) | 1949-11-15 |
| BE472651A (US20080094685A1-20080424-C00004.png) | |
| FR945920A (fr) | 1949-05-18 |
| CH266494A (fr) | 1950-01-31 |
| GB622171A (en) | 1949-04-27 |
