HK55078A - Improvements relating to piezo-electronic tuning fork vibrators - Google Patents

Improvements relating to piezo-electronic tuning fork vibrators

Info

Publication number
HK55078A
HK55078A HK550/78A HK55078A HK55078A HK 55078 A HK55078 A HK 55078A HK 550/78 A HK550/78 A HK 550/78A HK 55078 A HK55078 A HK 55078A HK 55078 A HK55078 A HK 55078A
Authority
HK
Hong Kong
Prior art keywords
casing
vibrator
tuning fork
rods
piezo
Prior art date
Application number
HK550/78A
Other languages
English (en)
Original Assignee
Suwa Seikosha Kk
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from JP577374A external-priority patent/JPS5333399B2/ja
Priority claimed from JP10798974A external-priority patent/JPS5134685A/ja
Application filed by Suwa Seikosha Kk filed Critical Suwa Seikosha Kk
Publication of HK55078A publication Critical patent/HK55078A/xx

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
    • 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)
HK550/78A 1974-01-09 1978-09-14 Improvements relating to piezo-electronic tuning fork vibrators HK55078A (en)

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
HK55078A true HK55078A (en) 1978-09-22

Family

ID=26339777

Family Applications (1)

Application Number Title Priority Date Filing Date
HK550/78A HK55078A (en) 1974-01-09 1978-09-14 Improvements relating to piezo-electronic 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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
DE2500687A1 (de) 1975-07-17
MY7800432A (en) 1978-12-31
CH641633B (fr)
GB1465863A (en) 1977-03-02
CH645507GA3 (en) 1984-10-15
DE2500687B2 (de) 1977-12-22
CH641633GA3 (en) 1984-03-15
FR2257153A1 (xx) 1975-08-01
FR2257153B1 (xx) 1978-06-30
DE2500687C3 (de) 1986-11-13

Similar Documents

Publication Publication Date Title
JPS5925486B2 (ja) 圧電振動子の容器
US3128397A (en) Fork-shaped quartz oscillator for audible frequency
HK55078A (en) Improvements relating to piezo-electronic tuning fork vibrators
CH632390B (fr) Oscillateur a cristal de quartz.
GB1462102A (en) Quartz crystal oscillator
US3906260A (en) Crystal vibrator
GB1297267A (xx)
CH607881GA3 (en) Vibrator for horometric instrument
Gerber et al. Quartz frequency standards
US3263103A (en) Radiation insensitive quartz crystal devices
Momosaki et al. The application of piezoelectricity to watches
US2282369A (en) Piezoelectric crystal apparatus
JPS5375892A (en) Crystal vibrator
US3885174A (en) X-T flexure piezoelectric device
JPS577613A (en) Tuning-fork type quartz oscillator
JPS55123205A (en) Electronic watch
FR2441252A1 (fr) Condensateur de compensation de temperature de resonateurs a quartz d'une montre electronique
JPS5543455A (en) Standard signal generating circuit
JPS5382194A (en) Crystal vibrator holder
CH631316GA3 (en) Electronic timepiece, especially electronic wristwatch
GB1471075A (en) Oscillating circuit
JPS5339896A (en) Crystal vibrator
JPS5355073A (en) Electronic watch
JPS5542001A (en) Electronic clock
JPS5479617A (en) Oscillation circuit using piezoelectric vibrators