CH516184A - Dispositif destiné à permettre d'ajuster de l'extérieur la caractéristique de compensation de la variation de la fréquence d'un oscillateur à cristal de quartz en fonction de la température, pour application dans le domaine de la tec hnique de la mesure du temps - Google Patents
Dispositif destiné à permettre d'ajuster de l'extérieur la caractéristique de compensation de la variation de la fréquence d'un oscillateur à cristal de quartz en fonction de la température, pour application dans le domaine de la tec hnique de la mesure du tempsInfo
- Publication number
- CH516184A CH516184A CH157566A CH157566A CH516184A CH 516184 A CH516184 A CH 516184A CH 157566 A CH157566 A CH 157566A CH 157566 A CH157566 A CH 157566A CH 516184 A CH516184 A CH 516184A
- Authority
- CH
- Switzerland
- Prior art keywords
- variation
- enable
- adjusted
- frequency
- outside
- Prior art date
Links
- 239000013078 crystal Substances 0.000 title 1
- 238000005259 measurement Methods 0.000 title 1
- 239000010453 quartz Substances 0.000 title 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 title 1
Classifications
-
- G—PHYSICS
- G04—HOROLOGY
- G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
- G04B17/00—Mechanisms for stabilising frequency
- G04B17/20—Compensation of mechanisms for stabilising frequency
- G04B17/22—Compensation of mechanisms for stabilising frequency for the effect of variations of temperature
-
- 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
- G04F5/066—Trimmer condensators
-
- 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
- H03B5/36—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 semiconductor device
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
- H03L1/00—Stabilisation of generator output against variations of physical values, e.g. power supply
- H03L1/02—Stabilisation of generator output against variations of physical values, e.g. power supply against variations of temperature only
- H03L1/028—Stabilisation of generator output against variations of physical values, e.g. power supply against variations of temperature only of generators comprising piezoelectric resonators
-
- 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
- H03B2200/00—Indexing scheme relating to details of oscillators covered by H03B
- H03B2200/0014—Structural aspects of oscillators
- H03B2200/0018—Structural aspects of oscillators relating to the cutting angle of a crystal, e.g. AT cut quartz
-
- 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
- H03B5/323—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator being a piezoelectric resonator the resonator having more than two terminals
-
- 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
- H03B5/36—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 semiconductor device
- H03B5/362—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 semiconductor device the amplifier being a single transistor
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Metallurgy (AREA)
- Oscillators With Electromechanical Resonators (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP628965 | 1965-02-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH516184A true CH516184A (fr) | 1971-08-13 |
Family
ID=11634213
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH157566A CH516184A (fr) | 1965-02-06 | 1966-02-04 | Dispositif destiné à permettre d'ajuster de l'extérieur la caractéristique de compensation de la variation de la fréquence d'un oscillateur à cristal de quartz en fonction de la température, pour application dans le domaine de la tec hnique de la mesure du temps |
| CH157566D CH157566A4 (https=) | 1965-02-06 | 1966-02-04 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH157566D CH157566A4 (https=) | 1965-02-06 | 1966-02-04 |
Country Status (2)
| Country | Link |
|---|---|
| CH (2) | CH516184A (https=) |
| DE (1) | DE1299072B (https=) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2203220A1 (https=) * | 1972-10-12 | 1974-05-10 | Timex Corp |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2182645A (en) * | 1937-09-10 | 1939-12-05 | Westinghouse Electric & Mfg Co | Compensated condenser |
| DE1159094B (de) * | 1962-09-20 | 1963-12-12 | Rohde & Schwarz | Kondensator mit einstellbarer Temperaturabhaengigkeit |
-
1966
- 1966-01-27 DE DE1966K0058260 patent/DE1299072B/de active Pending
- 1966-02-04 CH CH157566A patent/CH516184A/fr not_active IP Right Cessation
- 1966-02-04 CH CH157566D patent/CH157566A4/xx unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2203220A1 (https=) * | 1972-10-12 | 1974-05-10 | Timex Corp |
Also Published As
| Publication number | Publication date |
|---|---|
| DE1299072B (de) | 1969-07-10 |
| CH157566A4 (https=) | 1971-08-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| SE7604826L (sv) | Fergatergivningsanordning med flytande kristall | |
| FR2321137A1 (fr) | Dispositif d'affichage a cristal liquide dispose derriere une fenetre | |
| FR2343200A1 (fr) | Dispositif pour realiser le prereglage de quantites de liquide | |
| AT348600B (de) | Nematische fluessigkristallmischungen | |
| FR1534232A (fr) | Circuit de compensation en température pour des oscillateurs à cristal | |
| CH534916A (fr) | Dispositif d'affichage à cristal liquide pour l'horlogerie | |
| FR1421123A (fr) | Résonateur mécanique pour oscillateurs à fréquence normale dans des appareils demesure du temps | |
| AT356190B (de) | Fluessigkristallanzeige | |
| CH516184A (fr) | Dispositif destiné à permettre d'ajuster de l'extérieur la caractéristique de compensation de la variation de la fréquence d'un oscillateur à cristal de quartz en fonction de la température, pour application dans le domaine de la tec hnique de la mesure du temps | |
| JPS5383643A (en) | Temperature compensating liquid crystal device | |
| FR93703E (fr) | Procédé de mesure de la température d'un liquide par radiométrie. | |
| AT361549B (de) | Fluessigkristallanzeige | |
| FR1423845A (fr) | Canne pyrométrique pour la mesure continue de la température de la fonte liquide | |
| AT356722B (de) | Fluessigkristall-anzeigevorrichtung | |
| FR2281416A1 (fr) | Nouvelle composition de cristal liquide notamment pour dispositif d'affichage | |
| FR1421071A (fr) | Dispositif pour la mesure précise de la température | |
| FR1466801A (fr) | Condensateur pour compenser les variations de la fréquence d'un oscillateur à quartz en fonction de la température | |
| FR1102305A (fr) | Dispositif permettant de servir un liquide contenu dans un verre ou récipient analogue à une température déterminée | |
| FR1433920A (fr) | Dispositif pour la mesure de la température d'éléments en mouvement | |
| JPS55138626A (en) | Crystal thermometer | |
| JPS52134750A (en) | Liquid crystal display unit temperature compensator | |
| SU621970A1 (ru) | Устройство дл измерени температуры жидкого металла | |
| FR1409427A (fr) | Compensateur de température pour manomètres différentiels à liquide | |
| DK126077B (da) | Kompenseringsnetværk til at holde frekvensen af en krystaloscillator konstant ved varierende temperatur. | |
| FR1493717A (fr) | Sonde perfectionnée pour mesures dans des liquides à très haute température |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased |