IT1020168B - Compensatore di capacita per oscil latori comandati con un cristallo di quarzo con accordo grossolano ed accordo preciso - Google Patents
Compensatore di capacita per oscil latori comandati con un cristallo di quarzo con accordo grossolano ed accordo precisoInfo
- Publication number
- IT1020168B IT1020168B IT26570/74A IT2657074A IT1020168B IT 1020168 B IT1020168 B IT 1020168B IT 26570/74 A IT26570/74 A IT 26570/74A IT 2657074 A IT2657074 A IT 2657074A IT 1020168 B IT1020168 B IT 1020168B
- Authority
- IT
- Italy
- Prior art keywords
- tuning
- driven
- quartz crystal
- precise
- coarse
- Prior art date
Links
- 239000013078 crystal Substances 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G5/00—Capacitors in which the capacitance is varied by mechanical means, e.g. by turning a shaft; Processes of their manufacture
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G5/00—Capacitors in which the capacitance is varied by mechanical means, e.g. by turning a shaft; Processes of their manufacture
- H01G5/04—Capacitors in which the capacitance is varied by mechanical means, e.g. by turning a shaft; Processes of their manufacture using variation of effective area of electrode
- H01G5/06—Capacitors in which the capacitance is varied by mechanical means, e.g. by turning a shaft; Processes of their manufacture using variation of effective area of electrode due to rotation of flat or substantially flat electrodes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G5/00—Capacitors in which the capacitance is varied by mechanical means, e.g. by turning a shaft; Processes of their manufacture
- H01G5/38—Multiple capacitors, e.g. ganged
-
- 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
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G5/00—Tone control or bandwidth control in amplifiers
- H03G5/16—Automatic control
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G5/00—Tone control or bandwidth control in amplifiers
- H03G5/16—Automatic control
- H03G5/24—Automatic control in frequency-selective amplifiers
- H03G5/26—Automatic control in frequency-selective amplifiers having discharge tubes
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J3/00—Continuous tuning
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J3/00—Continuous tuning
- H03J3/20—Continuous tuning of single resonant circuit by varying inductance only or capacitance only
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
- Oscillators With Electromechanical Resonators (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2424559A DE2424559A1 (de) | 1974-05-21 | 1974-05-21 | Trimmerkondensator fuer quarzgetriebene oszillatoren mit gross- und feinabgleich |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IT1020168B true IT1020168B (it) | 1977-12-20 |
Family
ID=5916112
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT26570/74A IT1020168B (it) | 1974-05-21 | 1974-08-23 | Compensatore di capacita per oscil latori comandati con un cristallo di quarzo con accordo grossolano ed accordo preciso |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US3953771A (enExample) |
| JP (1) | JPS50151364A (enExample) |
| BR (1) | BR7408141A (enExample) |
| CA (1) | CA1073064A (enExample) |
| CH (1) | CH572659A5 (enExample) |
| DE (1) | DE2424559A1 (enExample) |
| ES (1) | ES429840A1 (enExample) |
| FR (1) | FR2272474B1 (enExample) |
| GB (1) | GB1458138A (enExample) |
| IT (1) | IT1020168B (enExample) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1513217A (en) * | 1975-07-28 | 1978-06-07 | Murata Manufacturing Co | Variable capacitor |
| FR2386114A1 (fr) * | 1977-03-30 | 1978-10-27 | Eurofarad | Condensateur ajustable multi-couches |
| DE2834472C2 (de) * | 1978-08-05 | 1980-09-11 | Kurt Wolf & Co Kg, 7547 Wildbad | Abstimmbarer Kondensator mit feststehenden und beweglichen, im Abstand zueinander angeordneten Kondensatorplatten |
| JPS5936906Y2 (ja) * | 1979-06-12 | 1984-10-12 | アルプス電気株式会社 | トリマ−コンデンサ |
| JP5960609B2 (ja) | 2010-02-01 | 2016-08-02 | ベクトン・ディキンソン・アンド・カンパニーＢｅｃｔｏｎ， Ｄｉｃｋｉｎｓｏｎ Ａｎｄ Ｃｏｍｐａｎｙ | 低用量で事前充填式の薬剤送達デバイス |
| US9528815B2 (en) * | 2013-02-08 | 2016-12-27 | Hamilton Sundstrand Corporation | Transformer based sensor arrangement |
| CN114999821B (zh) * | 2022-06-22 | 2023-06-27 | 清华大学 | 可计算电容器 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB807382A (enExample) * | ||||
| DE1614737A1 (de) * | 1967-08-03 | 1970-06-04 | Stettner & Co | Kleinst-Scheibentrimmerkondensator |
| US3705335A (en) * | 1971-08-19 | 1972-12-05 | Jfd Electronics Corp | Low height ceramic capacitor for printed circuit board mounting |
| US3838566A (en) * | 1973-06-13 | 1974-10-01 | Time Computer | Solid state watch having coarse and fine tuning |
-
1974
- 1974-05-21 DE DE2424559A patent/DE2424559A1/de not_active Withdrawn
- 1974-08-02 CH CH1064574A patent/CH572659A5/xx not_active IP Right Cessation
- 1974-08-23 IT IT26570/74A patent/IT1020168B/it active
- 1974-09-04 FR FR7430105A patent/FR2272474B1/fr not_active Expired
- 1974-09-06 ES ES429840A patent/ES429840A1/es not_active Expired
- 1974-10-01 BR BR8141/74A patent/BR7408141A/pt unknown
- 1974-10-04 GB GB4311674A patent/GB1458138A/en not_active Expired
- 1974-10-09 US US05/513,229 patent/US3953771A/en not_active Expired - Lifetime
-
1975
- 1975-04-14 JP JP50045118A patent/JPS50151364A/ja active Pending
- 1975-05-21 CA CA228,653A patent/CA1073064A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CH572659A5 (enExample) | 1976-02-13 |
| GB1458138A (en) | 1976-12-08 |
| FR2272474A1 (enExample) | 1975-12-19 |
| CA1073064A (en) | 1980-03-04 |
| ES429840A1 (es) | 1976-09-16 |
| FR2272474B1 (enExample) | 1979-07-13 |
| US3953771A (en) | 1976-04-27 |
| BR7408141A (pt) | 1976-04-27 |
| JPS50151364A (enExample) | 1975-12-05 |
| DE2424559A1 (de) | 1975-12-04 |
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