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 (en:Method) 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 (en:Method)
DE (1) DE2500687C3 (en:Method)
FR (1) FR2257153B1 (en:Method)
GB (1) GB1465863A (en:Method)
HK (1) HK55078A (en:Method)
MY (1) MY7800432A (en:Method)

Families Citing this family (6)

* 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
JPS55122227A (en) 1979-03-09 1980-09-19 Sony Corp Support structure of magnetic head
US4266157A (en) 1979-05-18 1981-05-05 The United States Of America As Represented By The Secretary Of The Army Piezoelectric resonator assembly with thin molybdenum mounting clips
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
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
TW567664B (en) 2001-10-09 2003-12-21 Ebauchesfabrik Eta Ag Piezoelectric resonator and assembly comprising the same enclosed in a case

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL49647C (en:Method) * 1936-11-20
DE1915465B2 (de) * 1968-04-01 1971-11-04 Halterungs und schutzvorrichtung fuer piezoelektrische koerper
JPS4930558B1 (en:Method) * 1969-10-03 1974-08-14
FR2100546B1 (en:Method) * 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
GB1465863A (en) 1977-03-02
DE2500687B2 (de) 1977-12-22
MY7800432A (en) 1978-12-31
FR2257153A1 (en:Method) 1975-08-01
FR2257153B1 (en:Method) 1978-06-30
CH641633B (fr)
DE2500687C3 (de) 1986-11-13
DE2500687A1 (de) 1975-07-17
CH645507GA3 (en) 1984-10-15
CH641633GA3 (en) 1984-03-15

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