FR1240833A - Perfectionnements apportés aux commutateurs électromagnétiques - Google Patents
Perfectionnements apportés aux commutateurs électromagnétiquesInfo
- Publication number
- FR1240833A FR1240833A FR809565A FR809565A FR1240833A FR 1240833 A FR1240833 A FR 1240833A FR 809565 A FR809565 A FR 809565A FR 809565 A FR809565 A FR 809565A FR 1240833 A FR1240833 A FR 1240833A
- Authority
- FR
- France
- Prior art keywords
- electromagnetic switches
- switches
- electromagnetic
- 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
- H01H50/00—Details of electromagnetic relays
- H01H50/64—Driving arrangements between movable part of magnetic circuit and contact
- H01H50/74—Mechanical means for producing a desired natural frequency of operation of the contacts, e.g. for self-interrupter
- H01H50/76—Mechanical means for producing a desired natural frequency of operation of the contacts, e.g. for self-interrupter using reed or blade spring
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Electromagnets (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US772569A US2960586A (en) | 1958-11-07 | 1958-11-07 | Electrical contactor |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1240833A true FR1240833A (fr) | 1960-09-09 |
Family
ID=25095516
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR809565A Expired FR1240833A (fr) | 1958-11-07 | 1959-11-06 | Perfectionnements apportés aux commutateurs électromagnétiques |
Country Status (2)
Country | Link |
---|---|
US (1) | US2960586A (fr) |
FR (1) | FR1240833A (fr) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3277408A (en) * | 1965-02-08 | 1966-10-04 | Leeds & Northrup Co | Synchronous converter with antibounce characteristics |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2357834A (en) * | 1938-11-10 | 1944-09-12 | Leifer Alfred | Vibrating converter |
US2486394A (en) * | 1946-02-25 | 1949-11-01 | Standard Telephones Cables Ltd | Selective relay |
US2433740A (en) * | 1946-02-26 | 1947-12-30 | Laurence H Collins | Electrical vibrator |
US2719891A (en) * | 1952-06-26 | 1955-10-04 | Stephen F James | Magnetic vibratory switch |
US2902561A (en) * | 1955-10-31 | 1959-09-01 | Daystrom Inc | Electro-magnetic vibrator |
US2831936A (en) * | 1956-02-14 | 1958-04-22 | James Vibrapowr Co | High frequency vibrator or the like |
-
1958
- 1958-11-07 US US772569A patent/US2960586A/en not_active Expired - Lifetime
-
1959
- 1959-11-06 FR FR809565A patent/FR1240833A/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US2960586A (en) | 1960-11-15 |
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