FR2220923B1 - - Google Patents
Info
- Publication number
- FR2220923B1 FR2220923B1 FR7415738A FR7415738A FR2220923B1 FR 2220923 B1 FR2220923 B1 FR 2220923B1 FR 7415738 A FR7415738 A FR 7415738A FR 7415738 A FR7415738 A FR 7415738A FR 2220923 B1 FR2220923 B1 FR 2220923B1
- Authority
- FR
- France
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
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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
- H03B5/20—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising resistance and either capacitance or inductance, e.g. phase-shift oscillator
- H03B5/24—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising resistance and either capacitance or inductance, e.g. phase-shift oscillator active element in amplifier being semiconductor device
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- G—PHYSICS
- G04—HOROLOGY
- G04F—TIME-INTERVAL MEASURING
- G04F5/00—Apparatus for producing preselected time intervals for use as timing standards
- G04F5/04—Apparatus for producing preselected time intervals for use as timing standards using oscillators with electromechanical resonators producing electric oscillations or timing pulses
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electric Clocks (AREA)
- Electromechanical Clocks (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7415738A FR2220923A1 (en) | 1974-05-07 | 1974-05-07 | Time measurement clocks or watches - uses determined freq. periodic signal generator and D.C. supply source |
US05/513,927 US4009565A (en) | 1974-05-07 | 1974-10-10 | Time measuring device having a periodic signal generator |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7415738A FR2220923A1 (en) | 1974-05-07 | 1974-05-07 | Time measurement clocks or watches - uses determined freq. periodic signal generator and D.C. supply source |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2220923A1 FR2220923A1 (en) | 1974-10-04 |
FR2220923B1 true FR2220923B1 (zh) | 1976-10-15 |
Family
ID=9138544
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7415738A Granted FR2220923A1 (en) | 1974-05-07 | 1974-05-07 | Time measurement clocks or watches - uses determined freq. periodic signal generator and D.C. supply source |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2220923A1 (zh) |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1205141B (de) * | 1964-07-25 | 1965-11-18 | Schmidt Geb Metallwarenfab | Multivibrator mit zwei komplementaeren Transistoren |
FR1481356A (fr) * | 1966-05-25 | 1967-05-19 | Chronomètre électronique | |
US3466506A (en) * | 1967-05-03 | 1969-09-09 | Gen Time Corp | Pulse generator for periodically energizing a timer solenoid |
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1974
- 1974-05-07 FR FR7415738A patent/FR2220923A1/fr active Granted
Also Published As
Publication number | Publication date |
---|---|
FR2220923A1 (en) | 1974-10-04 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |