GB571541A - Means for operating an electric switch at a pre-determined time - Google Patents
Means for operating an electric switch at a pre-determined timeInfo
- Publication number
- GB571541A GB571541A GB1085343A GB1085343A GB571541A GB 571541 A GB571541 A GB 571541A GB 1085343 A GB1085343 A GB 1085343A GB 1085343 A GB1085343 A GB 1085343A GB 571541 A GB571541 A GB 571541A
- Authority
- GB
- United Kingdom
- Prior art keywords
- contact
- cam
- operating
- pendulum
- electric switch
- 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
- G04C23/16—Mechanisms continuously running to relate the operation(s) to the time of day acting only at one preselected time or during one adjustable time interval
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Predetermined Time Intervals (AREA)
- Switches Operated By Changes In Physical Conditions (AREA)
Abstract
571,541. Time switches. WARD, H. Sept. 5, 1943, No. 10853. [Class 38 (v)] At a predetermined time, a step in a clockwork-driven cam 8 reaches a pin 6, whereupon the cam moves bodily to the left to effect a momentary closure of a circuit. In the form shown the bodily movement of the cam is caused by a spring 4 which gives an impulse to a pendulum 1 causing this to momentarily engage a fixed contact 9. In modifications, the pendulum operates a rotary switch or a tilting mercury switch or causes a contact to pass rapidly over the conducting side of a member whose other side is insulating 4 and is engaged during the slow return movement of the contact.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1085343A GB571541A (en) | 1943-09-05 | 1943-09-05 | Means for operating an electric switch at a pre-determined time |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1085343A GB571541A (en) | 1943-09-05 | 1943-09-05 | Means for operating an electric switch at a pre-determined time |
Publications (1)
Publication Number | Publication Date |
---|---|
GB571541A true GB571541A (en) | 1945-08-29 |
Family
ID=9975519
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1085343A Expired GB571541A (en) | 1943-09-05 | 1943-09-05 | Means for operating an electric switch at a pre-determined time |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB571541A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1211706B (en) * | 1962-08-09 | 1966-03-03 | Max Planck Gesellschaft | Electric pulse generator |
-
1943
- 1943-09-05 GB GB1085343A patent/GB571541A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1211706B (en) * | 1962-08-09 | 1966-03-03 | Max Planck Gesellschaft | Electric pulse generator |
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