FR669273A - Resonance contact device - Google Patents
Resonance contact deviceInfo
- Publication number
- FR669273A FR669273A FR669273DA FR669273A FR 669273 A FR669273 A FR 669273A FR 669273D A FR669273D A FR 669273DA FR 669273 A FR669273 A FR 669273A
- Authority
- FR
- France
- Prior art keywords
- contact device
- resonance contact
- resonance
- contact
- 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
- H01H51/00—Electromagnetic relays
- H01H51/30—Electromagnetic relays specially adapted for actuation by ac
- H01H51/32—Frequency relays; Mechanically-tuned relays
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE669273X | 1928-02-08 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR669273A true FR669273A (en) | 1929-11-14 |
Family
ID=6590153
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR669273D Expired FR669273A (en) | 1928-02-08 | 1929-02-07 | Resonance contact device |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR669273A (en) |
-
1929
- 1929-02-07 FR FR669273D patent/FR669273A/en not_active Expired
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