NL57795C - - Google Patents
Info
- Publication number
- NL57795C NL57795C NL57795DA NL57795C NL 57795 C NL57795 C NL 57795C NL 57795D A NL57795D A NL 57795DA NL 57795 C NL57795 C NL 57795C
- Authority
- NL
- Netherlands
Links
Classifications
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- 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
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- 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
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- 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
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- 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 |
|---|---|
| NL57795C true NL57795C (enrdf_load_html_response) |
Family
ID=5831786
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL57795D NL57795C (enrdf_load_html_response) | 1939-10-16 |
Country Status (3)
| Country | Link |
|---|---|
| CH (1) | CH219291A (enrdf_load_html_response) |
| FR (1) | FR869441A (enrdf_load_html_response) |
| NL (1) | NL57795C (enrdf_load_html_response) |
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/de unknown
-
1941
- 1941-01-22 FR FR869441D patent/FR869441A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR869441A (fr) | 1942-02-02 |
| CH219291A (de) | 1942-01-31 |