FR2239048B3 - - Google Patents
Info
- Publication number
- FR2239048B3 FR2239048B3 FR7425631A FR7425631A FR2239048B3 FR 2239048 B3 FR2239048 B3 FR 2239048B3 FR 7425631 A FR7425631 A FR 7425631A FR 7425631 A FR7425631 A FR 7425631A FR 2239048 B3 FR2239048 B3 FR 2239048B3
- 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
-
- 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 elements; Electromechanical resonators
- H03H9/02—Details
- H03H9/05—Holders or 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 (2)
| Publication Number | Publication Date |
|---|---|
| FR2239048A1 FR2239048A1 (OSRAM) | 1975-02-21 |
| FR2239048B3 true FR2239048B3 (OSRAM) | 1980-01-04 |
Family
ID=5887772
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7425631A Expired FR2239048B3 (OSRAM) | 1973-07-24 | 1974-07-24 |
Country Status (5)
| Country | Link |
|---|---|
| CH (2) | CH1011474A4 (OSRAM) |
| DE (1) | DE2337436C2 (OSRAM) |
| FR (1) | FR2239048B3 (OSRAM) |
| GB (1) | GB1435665A (OSRAM) |
| IT (1) | IT1017173B (OSRAM) |
Families Citing this family (5)
| 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 |
| FR2504293B1 (fr) * | 1981-04-20 | 1987-01-09 | Burr Brown Res Corp | Procede et module de regulation de temperature pour un circuit electronique |
| FR2587857B1 (fr) * | 1985-09-24 | 1987-12-24 | Centre Nat Rech Scient | Oscillateur thermostate miniature |
| GB9610663D0 (en) * | 1996-05-22 | 1996-07-31 | Univ Paisley | Temperature control apparatus and methods |
| WO1999037018A1 (en) * | 1998-01-20 | 1999-07-22 | Toyo Communication Equipment Co., Ltd. | Piezo-oscillator |
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
Also Published As
| Publication number | Publication date |
|---|---|
| CH588784B5 (OSRAM) | 1977-06-15 |
| DE2337436A1 (de) | 1975-02-13 |
| IT1017173B (it) | 1977-07-20 |
| CH1011474A4 (OSRAM) | 1976-09-15 |
| DE2337436C2 (de) | 1982-02-04 |
| FR2239048A1 (OSRAM) | 1975-02-21 |
| GB1435665A (en) | 1976-05-12 |