FR489922A - Improvements to switches and time switches - Google Patents
Improvements to switches and time switchesInfo
- Publication number
- FR489922A FR489922A FR489922DA FR489922A FR 489922 A FR489922 A FR 489922A FR 489922D A FR489922D A FR 489922DA FR 489922 A FR489922 A FR 489922A
- Authority
- FR
- France
- Prior art keywords
- switches
- time
- time switches
- 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
-
- G—PHYSICS
- G04—HOROLOGY
- G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
- G04C23/00—Clocks with attached or built-in means operating any device at preselected times or after preselected time-intervals
- G04C23/14—Mechanisms continuously running to relate the operation(s) to the time of day
- G04C23/26—Mechanisms continuously running to relate the operation(s) to the time of day for operating a number of devices at different times
- G04C23/30—Mechanisms continuously running to relate the operation(s) to the time of day for operating a number of devices at different times with the actuating element carried by a disc
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH489922X | 1917-05-04 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR489922A true FR489922A (en) | 1919-03-22 |
Family
ID=1526113
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR489922D Expired FR489922A (en) | 1917-05-04 | 1918-04-30 | Improvements to switches and time switches |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR489922A (en) |
-
1918
- 1918-04-30 FR FR489922D patent/FR489922A/en not_active Expired
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR489922A (en) | Improvements to switches and time switches | |
FR486902A (en) | Improvements to crutches | |
FR485846A (en) | Improvements to crutches | |
FR492366A (en) | Improvements made and relating to gasifiers | |
FR485836A (en) | Improvements made to electrical switches | |
FR489463A (en) | Improvements to electromagnetic switches | |
FR510216A (en) | Improvements to phonographs | |
FR489428A (en) | Improvements to contactors-circuit breakers | |
FR24053E (en) | Improvements to hydroaeroplanes | |
FR485698A (en) | Improvements to sutters | |
FR490996A (en) | Improvements to plansichters | |
FR22317E (en) | Improvements to hydroaeroplanes | |
FR485492A (en) | Improvements to locknuts | |
FR22286E (en) | Improvements to airplanes | |
FR494202A (en) | Improvements to airplanes | |
FR495840A (en) | Improvements to airplanes | |
FR505186A (en) | Improvements to airplanes | |
FR513714A (en) | Improvements to magnet switches | |
FR490285A (en) | Improvements to horns or mechanical and electrical horns | |
FR489874A (en) | Improvements to electric sirens | |
FR512210A (en) | Improvements to insulators | |
FR507994A (en) | Improvements to insulators | |
FR493411A (en) | Improvements to hydroaeroplanes | |
FR481376A (en) | Improvements to overtalon | |
FR490350A (en) | Improvements to gasifiers |