DK47190C - Elektrisk Tidsafbryder. - Google Patents
Elektrisk Tidsafbryder.Info
- Publication number
- DK47190C DK47190C DK47190DA DK47190C DK 47190 C DK47190 C DK 47190C DK 47190D A DK47190D A DK 47190DA DK 47190 C DK47190 C DK 47190C
- Authority
- DK
- Denmark
- Prior art keywords
- electric timer
- timer
- electric
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G04—HOROLOGY
- G04F—TIME-INTERVAL MEASURING
- G04F1/00—Apparatus which can be set and started to measure-off predetermined or adjustably-fixed time intervals without driving mechanisms, e.g. egg timers
- G04F1/04—Apparatus which can be set and started to measure-off predetermined or adjustably-fixed time intervals without driving mechanisms, e.g. egg timers by movement or acceleration due to gravity
- G04F1/06—Apparatus which can be set and started to measure-off predetermined or adjustably-fixed time intervals without driving mechanisms, e.g. egg timers by movement or acceleration due to gravity by flowing-away of a prefixed quantity of fine-granular or liquid materials, e.g. sand-glass, water-clock
- G04F1/066—Apparatus which can be set and started to measure-off predetermined or adjustably-fixed time intervals without driving mechanisms, e.g. egg timers by movement or acceleration due to gravity by flowing-away of a prefixed quantity of fine-granular or liquid materials, e.g. sand-glass, water-clock using electrical contact device
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Switches Operated By Changes In Physical Conditions (AREA)
- Toys (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE47190X | 1930-08-06 |
Publications (1)
Publication Number | Publication Date |
---|---|
DK47190C true DK47190C (da) | 1933-04-10 |
Family
ID=5625552
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK47190D DK47190C (da) | 1930-08-06 | 1931-08-04 | Elektrisk Tidsafbryder. |
Country Status (3)
Country | Link |
---|---|
AT (1) | AT133814B (da) |
DK (1) | DK47190C (da) |
GB (1) | GB376524A (da) |
-
1931
- 1931-08-04 DK DK47190D patent/DK47190C/da active
- 1931-08-05 AT AT133814D patent/AT133814B/de active
- 1931-08-06 GB GB22254/31A patent/GB376524A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB376524A (en) | 1932-07-14 |
AT133814B (da) | 1933-06-26 |
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