MY7800432A - Improvements relating to piezo-electric tuning fork vibrators - Google Patents
Improvements relating to piezo-electric tuning fork vibratorsInfo
- Publication number
- MY7800432A MY7800432A MY432/78A MY7800432A MY7800432A MY 7800432 A MY7800432 A MY 7800432A MY 432/78 A MY432/78 A MY 432/78A MY 7800432 A MY7800432 A MY 7800432A MY 7800432 A MY7800432 A MY 7800432A
- Authority
- MY
- Malaysia
- Prior art keywords
- casing
- vibrator
- tuning fork
- rods
- piezo
- Prior art date
Links
- 239000013078 crystal Substances 0.000 abstract 2
- 238000005452 bending Methods 0.000 abstract 1
- 239000000463 material Substances 0.000 abstract 1
- 239000002184 metal Substances 0.000 abstract 1
- 239000010453 quartz Substances 0.000 abstract 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
- B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
- B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
- B06B1/02—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
- B06B1/06—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction
- B06B1/0644—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction using a single piezoelectric element
- B06B1/0659—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction using a single piezoelectric element of U-shape
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
- Oscillators With Electromechanical Resonators (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP577374A JPS5333399B2 (xx) | 1974-01-09 | 1974-01-09 | |
JP10798974A JPS5134685A (en) | 1974-09-19 | 1974-09-19 | Atsudenshindoshi no shijihoho |
Publications (1)
Publication Number | Publication Date |
---|---|
MY7800432A true MY7800432A (en) | 1978-12-31 |
Family
ID=26339777
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MY432/78A MY7800432A (en) | 1974-01-09 | 1978-12-30 | Improvements relating to piezo-electric tuning fork vibrators |
Country Status (6)
Country | Link |
---|---|
CH (2) | CH641633GA3 (xx) |
DE (1) | DE2500687C3 (xx) |
FR (1) | FR2257153B1 (xx) |
GB (1) | GB1465863A (xx) |
HK (1) | HK55078A (xx) |
MY (1) | MY7800432A (xx) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5279794A (en) * | 1975-12-26 | 1977-07-05 | Seiko Instr & Electronics Ltd | Piezo-vibrator unit |
JPS6070811A (ja) * | 1983-09-27 | 1985-04-22 | Matsushima Kogyo Co Ltd | 縦振動型圧電振動子と製造方法 |
TW567664B (en) | 2001-10-09 | 2003-12-21 | Ebauchesfabrik Eta Ag | Piezoelectric resonator and assembly comprising the same enclosed in a case |
EP1303042B1 (fr) * | 2001-10-09 | 2018-12-05 | Eta SA Fabriques d'Ebauches | Résonateur piézoélectrique et ensemble comprenant un tel résonateur enfermé dans un boîtier |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL49647C (xx) * | 1936-11-20 | |||
DE1915465B2 (de) * | 1968-04-01 | 1971-11-04 | Halterungs und schutzvorrichtung fuer piezoelektrische koerper | |
JPS4930558B1 (xx) * | 1969-10-03 | 1974-08-14 | ||
FR2100546B1 (xx) * | 1970-05-15 | 1973-07-13 | Lip Horlogerie | |
US3697787A (en) * | 1971-04-16 | 1972-10-10 | Seymour J Posner | Supersensitive energizing circuit |
-
1975
- 1975-01-08 FR FR7500438A patent/FR2257153B1/fr not_active Expired
- 1975-01-09 GB GB96875A patent/GB1465863A/en not_active Expired
- 1975-01-09 DE DE2500687A patent/DE2500687C3/de not_active Expired
-
1978
- 1978-09-14 HK HK550/78A patent/HK55078A/xx unknown
- 1978-12-30 MY MY432/78A patent/MY7800432A/xx unknown
-
1979
- 1979-10-04 CH CH896379A patent/CH641633GA3/fr unknown
-
1983
- 1983-07-15 CH CH391083A patent/CH645507GA3/fr unknown
Also Published As
Publication number | Publication date |
---|---|
DE2500687A1 (de) | 1975-07-17 |
CH641633B (fr) | |
GB1465863A (en) | 1977-03-02 |
CH645507GA3 (en) | 1984-10-15 |
DE2500687B2 (de) | 1977-12-22 |
HK55078A (en) | 1978-09-22 |
CH641633GA3 (en) | 1984-03-15 |
FR2257153A1 (xx) | 1975-08-01 |
FR2257153B1 (xx) | 1978-06-30 |
DE2500687C3 (de) | 1986-11-13 |
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