GB1435665A - Arrangement for keeping constant the frequency of a vibrating crystal - Google Patents
Arrangement for keeping constant the frequency of a vibrating crystalInfo
- Publication number
- GB1435665A GB1435665A GB3185174A GB3185174A GB1435665A GB 1435665 A GB1435665 A GB 1435665A GB 3185174 A GB3185174 A GB 3185174A GB 3185174 A GB3185174 A GB 3185174A GB 1435665 A GB1435665 A GB 1435665A
- Authority
- GB
- United Kingdom
- Prior art keywords
- transistor
- temperature
- vibrator
- diode
- avalanche
- 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
- 239000013078 crystal Substances 0.000 title abstract 3
- 230000015556 catabolic process Effects 0.000 abstract 1
- 238000001816 cooling Methods 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 abstract 1
- 239000004065 semiconductor Substances 0.000 abstract 1
- 239000000758 substrate Substances 0.000 abstract 1
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
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
- H03H9/02—Details
- H03H9/05—Holders; Supports
- H03H9/08—Holders with means for regulating temperature
-
- 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
- H03L1/04—Constructional details for maintaining temperature constant
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Oscillators With Electromechanical Resonators (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19732337436 DE2337436C2 (de) | 1973-07-24 | 1973-07-24 | Anordnung zur Konstanthaltung der Frequenz eines piezo- oder ferroelektrischen Schwingkristalls |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1435665A true GB1435665A (en) | 1976-05-12 |
Family
ID=5887772
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB3185174A Expired GB1435665A (en) | 1973-07-24 | 1974-07-18 | Arrangement for keeping constant the frequency of a vibrating crystal |
Country Status (5)
Country | Link |
---|---|
CH (2) | CH1011474A4 (es) |
DE (1) | DE2337436C2 (es) |
FR (1) | FR2239048B3 (es) |
GB (1) | GB1435665A (es) |
IT (1) | IT1017173B (es) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3214614A1 (de) * | 1981-04-20 | 1982-11-04 | Burr-Brown Research Corp., 85734 Tucson, Ariz. | Temperaturregelung fuer einen modularen schaltkreis und verfahren zur temperaturregelung |
US4719384A (en) * | 1985-09-24 | 1988-01-12 | Centre National De La Recherche Scientifique | Miniature thermostatted oscillator |
GB2316196A (en) * | 1996-05-22 | 1998-02-18 | Univ Paisley | Temperature changing and controlling apparatus |
EP0969591A1 (en) * | 1998-01-20 | 2000-01-05 | Toyo Communication Equipment Co. Ltd. | Piezo-oscillator |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2484734A1 (fr) * | 1980-06-13 | 1981-12-18 | Cepe | Resonateur piezoelectrique a composants electroniques integres, et oscillateur muni d'un tel resonateur |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2037636A1 (de) * | 1970-07-29 | 1972-02-10 | Philips Patentverwaltung | Integrierte monolithische Halbleiter schaltung mit geregelter Kristalltemperatur |
-
1973
- 1973-07-24 DE DE19732337436 patent/DE2337436C2/de not_active Expired
-
1974
- 1974-07-16 IT IT2519374A patent/IT1017173B/it active
- 1974-07-18 GB GB3185174A patent/GB1435665A/en not_active Expired
- 1974-07-23 CH CH1011474D patent/CH1011474A4/xx unknown
- 1974-07-23 CH CH1011474A patent/CH588784B5/xx not_active IP Right Cessation
- 1974-07-24 FR FR7425631A patent/FR2239048B3/fr not_active Expired
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3214614A1 (de) * | 1981-04-20 | 1982-11-04 | Burr-Brown Research Corp., 85734 Tucson, Ariz. | Temperaturregelung fuer einen modularen schaltkreis und verfahren zur temperaturregelung |
US4719384A (en) * | 1985-09-24 | 1988-01-12 | Centre National De La Recherche Scientifique | Miniature thermostatted oscillator |
GB2316196A (en) * | 1996-05-22 | 1998-02-18 | Univ Paisley | Temperature changing and controlling apparatus |
GB2316196B (en) * | 1996-05-22 | 2000-07-19 | Univ Paisley | Temperature control apparatus and methods |
EP0969591A1 (en) * | 1998-01-20 | 2000-01-05 | Toyo Communication Equipment Co. Ltd. | Piezo-oscillator |
EP0969591A4 (en) * | 1998-01-20 | 2004-03-17 | Toyo Communication Equip | PIEZO-ELECTRIC OSCILLATOR |
Also Published As
Publication number | Publication date |
---|---|
IT1017173B (it) | 1977-07-20 |
FR2239048B3 (es) | 1980-01-04 |
CH588784B5 (es) | 1977-06-15 |
DE2337436A1 (de) | 1975-02-13 |
CH1011474A4 (es) | 1976-09-15 |
FR2239048A1 (es) | 1975-02-21 |
DE2337436C2 (de) | 1982-02-04 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PCNP | Patent ceased through non-payment of renewal fee |