JPS52137991A - Tuning fork type crystal resonator - Google Patents

Tuning fork type crystal resonator

Info

Publication number
JPS52137991A
JPS52137991A JP5514976A JP5514976A JPS52137991A JP S52137991 A JPS52137991 A JP S52137991A JP 5514976 A JP5514976 A JP 5514976A JP 5514976 A JP5514976 A JP 5514976A JP S52137991 A JPS52137991 A JP S52137991A
Authority
JP
Japan
Prior art keywords
tuning fork
type crystal
crystal resonator
fork type
fork
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.)
Pending
Application number
JP5514976A
Other languages
Japanese (ja)
Inventor
Hideo Hoshi
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
Application filed by Seiko Instruments Inc filed Critical Seiko Instruments Inc
Priority to JP5514976A priority Critical patent/JPS52137991A/en
Publication of JPS52137991A publication Critical patent/JPS52137991A/en
Pending 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 devices; Electromechanical resonators
    • H03H9/15—Constructional features of resonators consisting of piezoelectric or electrostrictive material
    • H03H9/21—Crystal tuning forks

Abstract

PURPOSE:To make the fork part of the tunign fork being formed strictly symmetrical on the right and left by beforehand making the mask shape of the fork part asymmetrical on the right and left.
JP5514976A 1976-05-14 1976-05-14 Tuning fork type crystal resonator Pending JPS52137991A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5514976A JPS52137991A (en) 1976-05-14 1976-05-14 Tuning fork type crystal resonator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5514976A JPS52137991A (en) 1976-05-14 1976-05-14 Tuning fork type crystal resonator

Publications (1)

Publication Number Publication Date
JPS52137991A true JPS52137991A (en) 1977-11-17

Family

ID=12990692

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5514976A Pending JPS52137991A (en) 1976-05-14 1976-05-14 Tuning fork type crystal resonator

Country Status (1)

Country Link
JP (1) JPS52137991A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8258676B2 (en) 2004-06-21 2012-09-04 Citizen Holdings Co., Ltd. Crystal device and method for manufacturing crystal device
JP2013078081A (en) * 2011-09-30 2013-04-25 Seiko Instruments Inc Method of manufacturing piezoelectric vibration piece, piezoelectric vibration piece, piezoelectric vibrator, oscillator, electronic equipment, and radio timepiece
US10293503B2 (en) 2004-03-11 2019-05-21 The Gillette Company Llc Shaving razors and shaving cartridges

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10293503B2 (en) 2004-03-11 2019-05-21 The Gillette Company Llc Shaving razors and shaving cartridges
US10293502B2 (en) 2004-03-11 2019-05-21 The Gillette Company Llc Shaving razors and shaving cartridges
US8258676B2 (en) 2004-06-21 2012-09-04 Citizen Holdings Co., Ltd. Crystal device and method for manufacturing crystal device
JP2013078081A (en) * 2011-09-30 2013-04-25 Seiko Instruments Inc Method of manufacturing piezoelectric vibration piece, piezoelectric vibration piece, piezoelectric vibrator, oscillator, electronic equipment, and radio timepiece

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