GB1258034A - - Google Patents
Info
- Publication number
- GB1258034A GB1258034A GB1258034DA GB1258034A GB 1258034 A GB1258034 A GB 1258034A GB 1258034D A GB1258034D A GB 1258034DA GB 1258034 A GB1258034 A GB 1258034A
- Authority
- GB
- United Kingdom
- Prior art keywords
- transducers
- drive
- sheet
- tine
- pick
- 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
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
- H03H9/24—Constructional features of resonators of material which is not piezoelectric, electrostrictive, or magnetostrictive
-
- G—PHYSICS
- G04—HOROLOGY
- G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
- G04C3/00—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means
- G04C3/08—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means wherein movement is regulated by a mechanical oscillator other than a pendulum or balance, e.g. by a tuning fork, e.g. electrostatically
- G04C3/10—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means wherein movement is regulated by a mechanical oscillator other than a pendulum or balance, e.g. by a tuning fork, e.g. electrostatically driven by electromagnetic means
- G04C3/101—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means wherein movement is regulated by a mechanical oscillator other than a pendulum or balance, e.g. by a tuning fork, e.g. electrostatically driven by electromagnetic means constructional details
- G04C3/102—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means wherein movement is regulated by a mechanical oscillator other than a pendulum or balance, e.g. by a tuning fork, e.g. electrostatically driven by electromagnetic means constructional details of the mechanical oscillator or of the coil
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Electromagnetism (AREA)
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
- Gyroscopes (AREA)
- Oscillators With Electromechanical Resonators (AREA)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
- Transducers For Ultrasonic Waves (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US84392369A | 1969-07-23 | 1969-07-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1258034A true GB1258034A (enrdf_load_stackoverflow) | 1971-12-22 |
Family
ID=25291340
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1258034D Expired GB1258034A (enrdf_load_stackoverflow) | 1969-07-23 | 1970-06-03 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3636810A (enrdf_load_stackoverflow) |
| JP (1) | JPS4829055B1 (enrdf_load_stackoverflow) |
| AR (1) | AR192557A1 (enrdf_load_stackoverflow) |
| DE (1) | DE2030123A1 (enrdf_load_stackoverflow) |
| FR (1) | FR2053930A5 (enrdf_load_stackoverflow) |
| GB (1) | GB1258034A (enrdf_load_stackoverflow) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3759133A (en) * | 1972-01-24 | 1973-09-18 | Bunker Ramo | Vibrator structure and method and apparatus for adjusting the frequency thereof |
| US4004166A (en) * | 1975-03-12 | 1977-01-18 | Nihon Dempa Kogyo Co., Ltd. | Method for stabilizing the vibration frequency of a tuning fork-type quartz crystal oscillator |
| US5227572A (en) * | 1991-09-09 | 1993-07-13 | Cusack John F | Titanium reed for musical instruments |
| US6064169A (en) * | 1995-10-11 | 2000-05-16 | The Charles Stark Draper Laboratory, Inc. | Motor amplitude control circuit in conductor-on-insulator tuning fork gyroscope |
| US5987987A (en) | 1997-04-14 | 1999-11-23 | Denso Corporation | Angular velocity sensor, related method for manufacturing the sensor, and piezoelectric vibrator element used in this sensor |
| JP6617891B2 (ja) * | 2015-12-21 | 2019-12-11 | 株式会社村田製作所 | 共振子及び共振装置 |
-
1969
- 1969-07-23 US US843923A patent/US3636810A/en not_active Expired - Lifetime
-
1970
- 1970-06-03 GB GB1258034D patent/GB1258034A/en not_active Expired
- 1970-06-17 FR FR7022391A patent/FR2053930A5/fr not_active Expired
- 1970-06-18 AR AR229417A patent/AR192557A1/es active
- 1970-06-18 DE DE19702030123 patent/DE2030123A1/de active Pending
- 1970-06-18 JP JP45053158A patent/JPS4829055B1/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| FR2053930A5 (enrdf_load_stackoverflow) | 1971-04-16 |
| US3636810A (en) | 1972-01-25 |
| JPS4829055B1 (enrdf_load_stackoverflow) | 1973-09-06 |
| AR192557A1 (es) | 1973-02-28 |
| DE2030123A1 (de) | 1971-02-04 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PCNP | Patent ceased through non-payment of renewal fee |