BE559849A - - Google Patents
Info
- Publication number
- BE559849A BE559849A BE559849DA BE559849A BE 559849 A BE559849 A BE 559849A BE 559849D A BE559849D A BE 559849DA BE 559849 A BE559849 A BE 559849A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
- H03K3/78—Generating a single train of pulses having a predetermined pattern, e.g. a predetermined number
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- G—PHYSICS
- G04—HOROLOGY
- G04F—TIME-INTERVAL MEASURING
- G04F10/00—Apparatus for measuring unknown time intervals by electric means
- G04F10/04—Apparatus for measuring unknown time intervals by electric means by counting pulses or half-cycles of an AC
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
- H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
- H03B5/30—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator
- H03B5/32—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator being a piezoelectric resonator
- H03B5/34—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator being a piezoelectric resonator active element in amplifier being vacuum tube
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Oscillators With Electromechanical Resonators (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US602740A US2881317A (en) | 1956-08-08 | 1956-08-08 | Pulsed crystal oscillator and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE559849A true BE559849A (en:Method) |
Family
ID=24412609
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE559849D BE559849A (en:Method) | 1956-08-08 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US2881317A (en:Method) |
| BE (1) | BE559849A (en:Method) |
| FR (1) | FR1180521A (en:Method) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2979557A (en) * | 1957-10-01 | 1961-04-11 | Rca Corp | Recording and reproducing system |
| US3056890A (en) * | 1959-06-23 | 1962-10-02 | Sylvania Electric Prod | Keyed integrate and dump filter having crystal as integrator |
| US3146400A (en) * | 1962-06-18 | 1964-08-25 | Collins Radio Co | Keyed filter employing a crystal as integrating element |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2448543A (en) * | 1942-11-28 | 1948-09-07 | Us Sec War | Circuit for periodically generating oscillations |
| US2454132A (en) * | 1944-01-11 | 1948-11-16 | Paul F Brown | Oscillating system |
| US2422612A (en) * | 1945-08-17 | 1947-06-17 | Fort Wayne Wire Die Company | Method for making wire drawing dies |
| US2697172A (en) * | 1954-02-15 | 1954-12-14 | Hughes Aircraft Co | Pulse keyed crystal controlled oscillator |
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0
- BE BE559849D patent/BE559849A/xx unknown
-
1956
- 1956-08-08 US US602740A patent/US2881317A/en not_active Expired - Lifetime
-
1957
- 1957-08-02 FR FR1180521D patent/FR1180521A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR1180521A (fr) | 1959-06-04 |
| US2881317A (en) | 1959-04-07 |