FR319109A - Improvements to electrical switches that operate automatically at set intervals - Google Patents
Improvements to electrical switches that operate automatically at set intervalsInfo
- Publication number
- FR319109A FR319109A FR319109A FR319109DA FR319109A FR 319109 A FR319109 A FR 319109A FR 319109 A FR319109 A FR 319109A FR 319109D A FR319109D A FR 319109DA FR 319109 A FR319109 A FR 319109A
- Authority
- FR
- France
- Prior art keywords
- electrical switches
- set intervals
- operate automatically
- automatically
- operate
- 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
- H01H29/00—Switches having at least one liquid contact
- H01H29/02—Details
- H01H29/08—Means for introducing a predetermined time delay
- H01H29/10—Means for introducing a predetermined time delay by constricting the flow of the contact liquid
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE132809T |
Publications (1)
Publication Number | Publication Date |
---|---|
FR319109A true FR319109A (en) | 1902-11-05 |
Family
ID=5664680
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR319109A Expired FR319109A (en) | 1902-02-27 | Improvements to electrical switches that operate automatically at set intervals |
Country Status (2)
Country | Link |
---|---|
DE (1) | DE132809C (en) |
FR (1) | FR319109A (en) |
-
0
- DE DENDAT132809D patent/DE132809C/de active Active
-
1902
- 1902-02-27 FR FR319109A patent/FR319109A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE132809C (en) |
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