GB332855A - Improvements in electric time switches - Google Patents
Improvements in electric time switchesInfo
- Publication number
- GB332855A GB332855A GB3400329A GB3400329A GB332855A GB 332855 A GB332855 A GB 332855A GB 3400329 A GB3400329 A GB 3400329A GB 3400329 A GB3400329 A GB 3400329A GB 332855 A GB332855 A GB 332855A
- Authority
- GB
- United Kingdom
- Prior art keywords
- electric time
- time switches
- switches
- electric
- time
- 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
- G04C21/00—Producing acoustic time signals by electrical means
- G04C21/16—Producing acoustic time signals by electrical means producing the signals at adjustable fixed times
- G04C21/20—Producing acoustic time signals by electrical means producing the signals at adjustable fixed times by closing a contact to ring an electromechanical alarm
- G04C21/22—Producing acoustic time signals by electrical means producing the signals at adjustable fixed times by closing a contact to ring an electromechanical alarm put into action by the arbor of a mechanical alarm work
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB3400329A GB332855A (en) | 1929-11-07 | 1929-11-07 | Improvements in electric time switches |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB3400329A GB332855A (en) | 1929-11-07 | 1929-11-07 | Improvements in electric time switches |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB332855A true GB332855A (en) | 1930-07-31 |
Family
ID=10360140
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB3400329A Expired GB332855A (en) | 1929-11-07 | 1929-11-07 | Improvements in electric time switches |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB332855A (en) |
-
1929
- 1929-11-07 GB GB3400329A patent/GB332855A/en not_active Expired
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