CH219291A - Electric periodic breaker. - Google Patents
Electric periodic breaker.Info
- Publication number
- CH219291A CH219291A CH219291DA CH219291A CH 219291 A CH219291 A CH 219291A CH 219291D A CH219291D A CH 219291DA CH 219291 A CH219291 A CH 219291A
- Authority
- CH
- Switzerland
- Prior art keywords
- breaker
- electric periodic
- periodic
- electric
- periodic breaker
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/64—Driving arrangements between movable part of magnetic circuit and contact
- H01H50/74—Mechanical means for producing a desired natural frequency of operation of the contacts, e.g. for self-interrupter
- H01H50/82—Mechanical means for producing a desired natural frequency of operation of the contacts, e.g. for self-interrupter using spring-loaded pivoted inertia member
-
- G—PHYSICS
- G04—HOROLOGY
- G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
- G04C3/00—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means
- G04C3/04—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means wherein movement is regulated by a balance
- G04C3/06—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means wherein movement is regulated by a balance using electromagnetic coupling between electric power source and balance
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B5/00—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied
- G08B5/02—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using only mechanical transmission
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05C—ELECTRIC CIRCUITS OR APPARATUS SPECIALLY DESIGNED FOR USE IN EQUIPMENT FOR KILLING, STUNNING, OR GUIDING LIVING BEINGS
- H05C1/00—Circuits or apparatus for generating electric shock effects
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Insects & Arthropods (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE219291X | 1939-10-16 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH219291A true CH219291A (en) | 1942-01-31 |
Family
ID=5831786
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH219291D CH219291A (en) | 1939-10-16 | 1940-10-07 | Electric periodic breaker. |
Country Status (3)
Country | Link |
---|---|
CH (1) | CH219291A (en) |
FR (1) | FR869441A (en) |
NL (1) | NL57795C (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2798171A (en) * | 1955-08-05 | 1957-07-02 | Maxwell Rubin And Les Scherer | Direct current pulser device |
-
0
- NL NL57795D patent/NL57795C/xx active
-
1940
- 1940-10-07 CH CH219291D patent/CH219291A/en unknown
-
1941
- 1941-01-22 FR FR869441D patent/FR869441A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR869441A (en) | 1942-02-02 |
NL57795C (en) |
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