JPS6117171B2 - - Google Patents

Info

Publication number
JPS6117171B2
JPS6117171B2 JP52031422A JP3142277A JPS6117171B2 JP S6117171 B2 JPS6117171 B2 JP S6117171B2 JP 52031422 A JP52031422 A JP 52031422A JP 3142277 A JP3142277 A JP 3142277A JP S6117171 B2 JPS6117171 B2 JP S6117171B2
Authority
JP
Japan
Prior art keywords
tuning fork
electrodes
crystal resonator
electrode
type crystal
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
Application number
JP52031422A
Other languages
English (en)
Japanese (ja)
Other versions
JPS53116797A (en
Inventor
Hirofumi Kawashima
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Seiko Instruments Inc
Original Assignee
Seiko Instruments Inc
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 to JP51126878A priority Critical patent/JPS5851687B2/ja
Application filed by Seiko Instruments Inc filed Critical Seiko Instruments Inc
Priority to JP3142277A priority patent/JPS53116797A/ja
Priority to DE19772746154 priority patent/DE2746154A1/de
Priority to FR7731501A priority patent/FR2368801A1/fr
Priority to GB43718/77A priority patent/GB1570834A/en
Priority to CH1287977A priority patent/CH628203B/fr
Priority to US05/856,756 priority patent/US4178527A/en
Publication of JPS53116797A publication Critical patent/JPS53116797A/ja
Publication of JPS6117171B2 publication Critical patent/JPS6117171B2/ja
Granted legal-status Critical Current

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
    • H03H9/15—Constructional features of resonators consisting of piezoelectric or electrostrictive material
    • H03H9/21—Crystal tuning forks
    • H03H9/215—Crystal tuning forks consisting of quartz

Landscapes

  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
  • Oscillators With Electromechanical Resonators (AREA)
JP3142277A 1976-10-22 1977-03-22 Tuning fork crystal vibrator Granted JPS53116797A (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
JP51126878A JPS5851687B2 (ja) 1976-10-22 1976-10-22 音叉型水晶振動子
JP3142277A JPS53116797A (en) 1976-10-22 1977-03-22 Tuning fork crystal vibrator
DE19772746154 DE2746154A1 (de) 1976-10-22 1977-10-14 Quarzschwinger
FR7731501A FR2368801A1 (fr) 1976-10-22 1977-10-19 Vibrateur a cristal de quartz
GB43718/77A GB1570834A (en) 1976-10-22 1977-10-20 Quartz crystal tuning fork vibrator
CH1287977A CH628203B (fr) 1976-10-22 1977-10-21 Vibreur a diapason a cristal de quartz.
US05/856,756 US4178527A (en) 1976-10-22 1977-12-01 Quartz crystal tuning fork vibrator with unexcited tine centers for reduced flexural amplitudes

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP51126878A JPS5851687B2 (ja) 1976-10-22 1976-10-22 音叉型水晶振動子
JP3142277A JPS53116797A (en) 1976-10-22 1977-03-22 Tuning fork crystal vibrator
US84482777A 1977-10-25 1977-10-25
US05/856,756 US4178527A (en) 1976-10-22 1977-12-01 Quartz crystal tuning fork vibrator with unexcited tine centers for reduced flexural amplitudes

Publications (2)

Publication Number Publication Date
JPS53116797A JPS53116797A (en) 1978-10-12
JPS6117171B2 true JPS6117171B2 (en:Method) 1986-05-06

Family

ID=27459433

Family Applications (2)

Application Number Title Priority Date Filing Date
JP51126878A Expired JPS5851687B2 (ja) 1976-10-22 1976-10-22 音叉型水晶振動子
JP3142277A Granted JPS53116797A (en) 1976-10-22 1977-03-22 Tuning fork crystal vibrator

Family Applications Before (1)

Application Number Title Priority Date Filing Date
JP51126878A Expired JPS5851687B2 (ja) 1976-10-22 1976-10-22 音叉型水晶振動子

Country Status (6)

Country Link
US (1) US4178527A (en:Method)
JP (2) JPS5851687B2 (en:Method)
CH (1) CH628203B (en:Method)
DE (1) DE2746154A1 (en:Method)
FR (1) FR2368801A1 (en:Method)
GB (1) GB1570834A (en:Method)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0222659U (en:Method) * 1988-07-28 1990-02-15
JPH02140454A (ja) * 1988-11-22 1990-05-30 Kubota Ltd 内燃機関の排ガス循環装置

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS554176A (en) * 1978-06-27 1980-01-12 Seiko Instr & Electronics Ltd Crystal vibrator
US4320320A (en) * 1978-12-01 1982-03-16 Kabushiki Kaisha Suwa Seikosha Coupled mode tuning fork type quartz crystal vibrator
JPS5577222A (en) * 1978-12-06 1980-06-10 Seiko Epson Corp Tuning-fork type vibrator
NL8000297A (nl) * 1980-01-17 1981-08-17 Philips Nv Piezoelektrische triller.
US4531073A (en) * 1983-05-31 1985-07-23 Ohaus Scale Corporation Piezoelectric crystal resonator with reduced impedance and sensitivity to change in humidity
JP4715652B2 (ja) * 2006-06-30 2011-07-06 セイコーエプソン株式会社 圧電振動片
US8096264B2 (en) * 2007-11-30 2012-01-17 Illinois Tool Works Inc. Repulsion ring

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL62574C (en:Method) * 1936-02-21
JPS49131088A (en:Method) * 1973-04-16 1974-12-16 Suwa Seikosha Kk
JPS539917B2 (en:Method) * 1973-05-02 1978-04-10 Suwa Seikosha Kk
JPS5334875B2 (en:Method) * 1973-07-10 1978-09-22
GB1502013A (en) * 1974-07-01 1978-02-22 Citizen Watch Co Ltd Resonator
JPS5323589A (en) * 1976-08-18 1978-03-04 Seiko Epson Corp Crystal vibrator

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0222659U (en:Method) * 1988-07-28 1990-02-15
JPH02140454A (ja) * 1988-11-22 1990-05-30 Kubota Ltd 内燃機関の排ガス循環装置

Also Published As

Publication number Publication date
CH628203B (fr)
FR2368801A1 (fr) 1978-05-19
JPS5352088A (en) 1978-05-12
CH628203GA3 (en:Method) 1982-02-26
US4178527A (en) 1979-12-11
DE2746154A1 (de) 1978-04-27
JPS5851687B2 (ja) 1983-11-17
FR2368801B1 (en:Method) 1982-06-04
JPS53116797A (en) 1978-10-12
GB1570834A (en) 1980-07-09

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