BE572530A - - Google Patents
Info
- Publication number
- BE572530A BE572530A BE572530DA BE572530A BE 572530 A BE572530 A BE 572530A BE 572530D A BE572530D A BE 572530DA BE 572530 A BE572530 A BE 572530A
- 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
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/38—DC amplifiers with modulator at input and demodulator at output; Modulators or demodulators specially adapted for use in such amplifiers
- H03F3/40—DC amplifiers with modulator at input and demodulator at output; Modulators or demodulators specially adapted for use in such amplifiers with tubes only
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Electromagnets (AREA)
- Reciprocating, Oscillating Or Vibrating Motors (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DES55710A DE1082988B (en) | 1957-10-30 | 1957-10-30 | Contact inverter for use in the input circuit of direct voltage or direct current amplifiers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE572530A true BE572530A (en) |
Family
ID=7490629
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE572530D BE572530A (en) | 1957-10-30 |
Country Status (6)
| Country | Link |
|---|---|
| BE (1) | BE572530A (en) |
| CH (1) | CH367899A (en) |
| DE (1) | DE1082988B (en) |
| FR (1) | FR1206499A (en) |
| GB (1) | GB877272A (en) |
| NL (1) | NL232765A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH453213A (en) * | 1965-10-07 | 1967-11-30 | Portescap Le Porte | Torsion vibrator for electrically maintained oscillator, for timepiece |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE905415C (en) * | 1937-01-09 | 1954-03-01 | Aeg | An electromagnet and an armature formed by a permanent magnet and oscillating under its action in one plane, in particular a device suitable as a resonance relay or an inverter |
-
0
- BE BE572530D patent/BE572530A/xx unknown
- NL NL232765D patent/NL232765A/xx unknown
-
1957
- 1957-10-30 DE DES55710A patent/DE1082988B/en active Pending
-
1958
- 1958-10-29 CH CH6554258A patent/CH367899A/en unknown
- 1958-10-30 GB GB3484758A patent/GB877272A/en not_active Expired
- 1958-10-30 FR FR1206499D patent/FR1206499A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE1082988B (en) | 1960-06-09 |
| GB877272A (en) | 1961-09-13 |
| CH367899A (en) | 1963-03-15 |
| NL232765A (en) | |
| FR1206499A (en) | 1960-02-10 |