FR1508738A - Perfectionnements aux oscillateurs pour horloge alimentée par piles - Google Patents
Perfectionnements aux oscillateurs pour horloge alimentée par pilesInfo
- Publication number
- FR1508738A FR1508738A FR92007A FR92007A FR1508738A FR 1508738 A FR1508738 A FR 1508738A FR 92007 A FR92007 A FR 92007A FR 92007 A FR92007 A FR 92007A FR 1508738 A FR1508738 A FR 1508738A
- Authority
- FR
- France
- Prior art keywords
- battery
- clock oscillator
- powered clock
- powered
- oscillator
- Prior art date
- 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
-
- G—PHYSICS
- G04—HOROLOGY
- G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
- G04C15/00—Clocks driven by synchronous motors
-
- G—PHYSICS
- G04—HOROLOGY
- G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
- G04C3/00—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means
- G04C3/08—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means wherein movement is regulated by a mechanical oscillator other than a pendulum or balance, e.g. by a tuning fork, e.g. electrostatically
- G04C3/10—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means wherein movement is regulated by a mechanical oscillator other than a pendulum or balance, e.g. by a tuning fork, e.g. electrostatically driven by electromagnetic means
-
- 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)
- Electromagnetism (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
- Electromechanical Clocks (AREA)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US52229066A | 1966-01-21 | 1966-01-21 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1508738A true FR1508738A (fr) | 1968-01-05 |
Family
ID=24080278
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR92007A Expired FR1508738A (fr) | 1966-01-21 | 1967-01-20 | Perfectionnements aux oscillateurs pour horloge alimentée par piles |
Country Status (5)
Country | Link |
---|---|
US (1) | US3454856A (fr) |
CH (1) | CH506122A (fr) |
DE (1) | DE1673742B2 (fr) |
FR (1) | FR1508738A (fr) |
GB (1) | GB1167581A (fr) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4842568Y1 (fr) * | 1969-04-14 | 1973-12-10 | ||
JPS509202B1 (fr) * | 1969-09-10 | 1975-04-10 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2961587A (en) * | 1954-01-16 | 1960-11-22 | Omega Brandt & Freres Sa Louis | Timepiece |
US2829324A (en) * | 1954-12-08 | 1958-04-01 | Gen Motors Corp | Low voltage electrical motive means |
US3015054A (en) * | 1956-01-14 | 1961-12-26 | Kieninger & Obergfell | Electronically controlled motor |
US2905904A (en) * | 1956-06-25 | 1959-09-22 | Gen Motors Corp | Timing control circuit |
US2994023A (en) * | 1958-10-30 | 1961-07-25 | Hamilton Watch Co | Motor |
US3134220A (en) * | 1961-05-16 | 1964-05-26 | Dichl | Electric clock |
CA758698A (en) * | 1962-07-30 | 1967-05-09 | L. Dewolf George | Electro-mechanical frequency determining system |
US3250066A (en) * | 1963-08-12 | 1966-05-10 | Philco Corp | Electronic clock utilizing oscillator to switch bistable circuit at subharmonic of oscillator frequency |
-
1966
- 1966-01-21 US US522290A patent/US3454856A/en not_active Expired - Lifetime
-
1967
- 1967-01-02 GB GB02/67A patent/GB1167581A/en not_active Expired
- 1967-01-17 CH CH63467A patent/CH506122A/de not_active IP Right Cessation
- 1967-01-18 DE DE1967G0049018 patent/DE1673742B2/de active Granted
- 1967-01-20 FR FR92007A patent/FR1508738A/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
CH63467A4 (fr) | 1969-05-14 |
DE1673742A1 (de) | 1971-01-28 |
DE1673742B2 (de) | 1976-11-25 |
US3454856A (en) | 1969-07-08 |
GB1167581A (en) | 1969-10-15 |
CH506122A (de) | 1971-05-28 |
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