BE515951A - - Google Patents
Info
- Publication number
- BE515951A BE515951A BE515951DA BE515951A BE 515951 A BE515951 A BE 515951A BE 515951D A BE515951D A BE 515951DA BE 515951 A BE515951 A BE 515951A
- Authority
- BE
- Belgium
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
- H01H50/76—Mechanical means for producing a desired natural frequency of operation of the contacts, e.g. for self-interrupter using reed or blade spring
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M19/00—Current supply arrangements for telephone systems
- H04M19/02—Current supply arrangements for telephone systems providing ringing current or supervisory tones, e.g. dialling tone or busy tone
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEW9969A DE1031888B (en) | 1952-11-15 | 1952-11-15 | Electromagnetic self-breaker in the style of Wagner's hammer |
Publications (1)
Publication Number | Publication Date |
---|---|
BE515951A true BE515951A (en) |
Family
ID=7594231
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE515951D BE515951A (en) | 1952-11-15 |
Country Status (5)
Country | Link |
---|---|
BE (1) | BE515951A (en) |
CH (1) | CH314471A (en) |
DE (1) | DE1031888B (en) |
FR (1) | FR1067351A (en) |
NL (1) | NL174162B (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3099755A (en) * | 1960-04-07 | 1963-07-30 | Westinghouse Electric Corp | Momentary electrical contact apparatus |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH97530A (en) * | 1921-07-20 | 1923-01-16 | Scintilla Ag | Spring-loaded electromagnetic armature for electrical vibration regulators. |
AT98855B (en) * | 1922-03-17 | 1924-12-27 | Herbert Kennedy & Co Ltd | Breaker. |
DE892316C (en) * | 1942-10-03 | 1953-10-05 | Siemens Ag | Contact arrangement |
DE854974C (en) * | 1950-09-16 | 1952-11-10 | Hans Gehrt | Electromechanical pulse generator |
-
0
- NL NLAANVRAGE7207692,A patent/NL174162B/en unknown
- BE BE515951D patent/BE515951A/xx unknown
-
1952
- 1952-11-15 DE DEW9969A patent/DE1031888B/en active Pending
- 1952-11-26 CH CH314471D patent/CH314471A/en unknown
- 1952-12-01 FR FR1067351D patent/FR1067351A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR1067351A (en) | 1954-06-15 |
DE1031888B (en) | 1958-06-12 |
CH314471A (en) | 1956-06-15 |
NL174162B (en) |