AT125430B - Einrichtung zur Frequenzkonstanthaltung von Piezokristallen. - Google Patents
Einrichtung zur Frequenzkonstanthaltung von Piezokristallen.Info
- Publication number
- AT125430B AT125430B AT125430DA AT125430B AT 125430 B AT125430 B AT 125430B AT 125430D A AT125430D A AT 125430DA AT 125430 B AT125430 B AT 125430B
- Authority
- AT
- Austria
- Prior art keywords
- frequency
- box
- keeping
- constant
- quartz
- Prior art date
Links
- 239000013078 crystal Substances 0.000 title description 9
- 238000010438 heat treatment Methods 0.000 claims description 5
- 239000010453 quartz Substances 0.000 description 10
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 10
- 239000003990 capacitor Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000005457 ice water Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
-
- 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
- H03B5/34—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 vacuum tube
-
- 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
- Crystals, And After-Treatments Of Crystals (AREA)
- Oscillators With Electromechanical Resonators (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEL77050D DE516554C (de) | 1929-12-18 | 1929-12-18 | Einrichtung zur Frequenzkonstanthaltung von durch Piezokristalle gesteuerten Roehrensendern |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| AT125430B true AT125430B (de) | 1931-11-10 |
Family
ID=7284103
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT125430D AT125430B (de) | 1929-12-18 | 1930-11-18 | Einrichtung zur Frequenzkonstanthaltung von Piezokristallen. |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US1882989A (enrdf_load_stackoverflow) |
| AT (1) | AT125430B (enrdf_load_stackoverflow) |
| FR (1) | FR707865A (enrdf_load_stackoverflow) |
| GB (1) | GB356042A (enrdf_load_stackoverflow) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2731564A (en) * | 1951-11-05 | 1956-01-17 | Edelstein Harold | Barium titanate temperature control |
| US2970226A (en) * | 1956-11-20 | 1961-01-31 | Texas Instruments Inc | Electronic timing device |
| US3013104A (en) * | 1957-07-18 | 1961-12-12 | Video Instr Company Inc | Heat bank for transistorized circuits |
| US3007023A (en) * | 1958-03-05 | 1961-10-31 | Amphenol Borg Electronics Corp | Temperature control device for a frequency standard generator |
| GB2170930B (en) * | 1985-02-07 | 1988-10-05 | Sherritt Gordon Mines Ltd | Quadrupole mass spectrometers |
| DE102005024657C5 (de) * | 2004-11-19 | 2016-04-21 | Webasto Ag | Rolloanordnung für ein Fahrzeug |
-
1930
- 1930-11-18 AT AT125430D patent/AT125430B/de active
- 1930-11-22 GB GB35268/30A patent/GB356042A/en not_active Expired
- 1930-12-11 US US501537A patent/US1882989A/en not_active Expired - Lifetime
- 1930-12-16 FR FR707865D patent/FR707865A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB356042A (enrdf_load_stackoverflow) | 1931-09-03 |
| FR707865A (fr) | 1931-07-16 |
| US1882989A (en) | 1932-10-18 |
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