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
-
- 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
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Signal Processing (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 (de) | 1952-11-15 | 1952-11-15 | Elektromagnetischer Selbstunterbrecher nach Art des Wagnerschen Hammers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE515951A true BE515951A (en:Method) |
Family
ID=7594231
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE515951D BE515951A (en:Method) | 1952-11-15 |
Country Status (5)
| Country | Link |
|---|---|
| BE (1) | BE515951A (en:Method) |
| CH (1) | CH314471A (en:Method) |
| DE (1) | DE1031888B (en:Method) |
| FR (1) | FR1067351A (en:Method) |
| NL (1) | NL174162B (en:Method) |
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 (de) * | 1921-07-20 | 1923-01-16 | Scintilla Ag | Federnder Elektromagnetanker für elektrische Vibrationsregler. |
| AT98855B (de) * | 1922-03-17 | 1924-12-27 | Herbert Kennedy & Co Ltd | Unterbrecher. |
| DE892316C (de) * | 1942-10-03 | 1953-10-05 | Siemens Ag | Kontaktanordnung |
| DE854974C (de) * | 1950-09-16 | 1952-11-10 | Hans Gehrt | Elektromechanischer Impulsgeber |
-
0
- BE BE515951D patent/BE515951A/xx unknown
- NL NLAANVRAGE7207692,A patent/NL174162B/xx unknown
-
1952
- 1952-11-15 DE DEW9969A patent/DE1031888B/de active Pending
- 1952-11-26 CH CH314471D patent/CH314471A/de unknown
- 1952-12-01 FR FR1067351D patent/FR1067351A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL174162B (nl) | |
| DE1031888B (de) | 1958-06-12 |
| CH314471A (de) | 1956-06-15 |
| FR1067351A (fr) | 1954-06-15 |