FR577753A - Improvements to electrical relays - Google Patents
Improvements to electrical relaysInfo
- Publication number
- FR577753A FR577753A FR577753DA FR577753A FR 577753 A FR577753 A FR 577753A FR 577753D A FR577753D A FR 577753DA FR 577753 A FR577753 A FR 577753A
- Authority
- FR
- France
- Prior art keywords
- electrical relays
- relays
- electrical
- 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
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
- H01H71/12—Automatic release mechanisms with or without manual release
- H01H71/44—Automatic release mechanisms with or without manual release having means for introducing a predetermined time delay
- H01H71/446—Automatic release mechanisms with or without manual release having means for introducing a predetermined time delay making use of an inertia mass
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2742723A GB228265A (en) | 1923-11-01 | 1923-11-01 | Improvements in or relating to electric relays |
Publications (1)
Publication Number | Publication Date |
---|---|
FR577753A true FR577753A (en) | 1924-09-10 |
Family
ID=10259401
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR577753D Expired FR577753A (en) | 1923-11-01 | 1924-02-25 | Improvements to electrical relays |
Country Status (2)
Country | Link |
---|---|
FR (1) | FR577753A (en) |
GB (1) | GB228265A (en) |
-
1923
- 1923-11-01 GB GB2742723A patent/GB228265A/en not_active Expired
-
1924
- 1924-02-25 FR FR577753D patent/FR577753A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB228265A (en) | 1925-02-02 |
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