CH1191974A4 - - Google Patents
Info
- Publication number
- CH1191974A4 CH1191974A4 CH1191974D CH1191974D CH1191974A4 CH 1191974 A4 CH1191974 A4 CH 1191974A4 CH 1191974 D CH1191974 D CH 1191974D CH 1191974 D CH1191974 D CH 1191974D CH 1191974 A4 CH1191974 A4 CH 1191974A4
- Authority
- CH
- Switzerland
Links
Classifications
-
- 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
- G04F5/06—Apparatus for producing preselected time intervals for use as timing standards using oscillators with electromechanical resonators producing electric oscillations or timing pulses using piezoelectric resonators
- G04F5/063—Constructional details
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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
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
- H03K3/02—Generators characterised by the type of circuit or by the means used for producing pulses
- H03K3/027—Generators characterised by the type of circuit or by the means used for producing pulses by the use of logic circuits, with internal or external positive feedback
- H03K3/03—Astable circuits
- H03K3/0307—Stabilisation of output, e.g. using crystal
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/18—Printed circuits structurally associated with non-printed electric components
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Oscillators With Electromechanical Resonators (AREA)
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1973102221U JPS5048555U (no) | 1973-08-31 | 1973-08-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH1191974A4 true CH1191974A4 (no) | 1977-06-30 |
Family
ID=14321598
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH1191974A CH597640A (no) | 1973-08-31 | 1974-09-02 | |
| CH1191974D CH1191974A4 (no) | 1973-08-31 | 1974-09-02 |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH1191974A CH597640A (no) | 1973-08-31 | 1974-09-02 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3973148A (no) |
| JP (1) | JPS5048555U (no) |
| CH (2) | CH597640A (no) |
| DE (1) | DE2438559A1 (no) |
| FR (1) | FR2242808B1 (no) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3404298A (en) * | 1966-08-19 | 1968-10-01 | Kenton Engineering Corp | Thermally sensitive compensating device |
| GB1194949A (en) * | 1968-01-31 | 1970-06-17 | Citizen Watch Co Ltd | Method of Temperature Compensating Oscillation Circuit for Timepiece and Device Therefor |
| US3791133A (en) * | 1972-06-22 | 1974-02-12 | Citizen Watch Co Ltd | Crystal oscillator type small timepiece |
| US3803828A (en) * | 1972-10-12 | 1974-04-16 | Timex Corp | Resistor trim for quartz oscillator |
| US3842585A (en) * | 1973-05-22 | 1974-10-22 | Benrus Corp | Watch |
-
1973
- 1973-08-31 JP JP1973102221U patent/JPS5048555U/ja active Pending
-
1974
- 1974-08-10 DE DE2438559A patent/DE2438559A1/de not_active Withdrawn
- 1974-08-30 US US05/502,186 patent/US3973148A/en not_active Expired - Lifetime
- 1974-08-30 FR FR7429669A patent/FR2242808B1/fr not_active Expired
- 1974-09-02 CH CH1191974A patent/CH597640A/xx unknown
- 1974-09-02 CH CH1191974D patent/CH1191974A4/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FR2242808B1 (no) | 1976-10-22 |
| DE2438559A1 (de) | 1975-03-13 |
| JPS5048555U (no) | 1975-05-13 |
| FR2242808A1 (no) | 1975-03-28 |
| CH597640A (no) | 1978-04-14 |
| US3973148A (en) | 1976-08-03 |