JPS5445591A - Diapason type crystal oscillator - Google Patents

Diapason type crystal oscillator

Info

Publication number
JPS5445591A
JPS5445591A JP11198777A JP11198777A JPS5445591A JP S5445591 A JPS5445591 A JP S5445591A JP 11198777 A JP11198777 A JP 11198777A JP 11198777 A JP11198777 A JP 11198777A JP S5445591 A JPS5445591 A JP S5445591A
Authority
JP
Japan
Prior art keywords
crystal oscillator
type crystal
size
broadwise
diapason
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
JP11198777A
Other languages
Japanese (ja)
Inventor
Makoto Wakasugi
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.)
Citizen Watch Co Ltd
Original Assignee
Citizen Watch Co Ltd
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 Citizen Watch Co Ltd filed Critical Citizen Watch Co Ltd
Priority to JP11198777A priority Critical patent/JPS5445591A/en
Publication of JPS5445591A publication Critical patent/JPS5445591A/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

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)

Abstract

PURPOSE:To make smaller the oscillator and to increase the performance, by setting the distance between the resonant branches to a given value. CONSTITUTION:The ratio of two resonant branches for thickwise size t1 and broadwise w1 is within 0.4 to 0.9 and the size w1 is taken not exceeding 0.4mm, and the distance g1 between resonant branches is set less than 1/2 of the size W1. As a result, at the end of the base 1c, the stress lengthwise ay1 and the stress broadwise ax1 can be improved as Fig.
JP11198777A 1977-09-17 1977-09-17 Diapason type crystal oscillator Pending JPS5445591A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11198777A JPS5445591A (en) 1977-09-17 1977-09-17 Diapason type crystal oscillator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11198777A JPS5445591A (en) 1977-09-17 1977-09-17 Diapason type crystal oscillator

Publications (1)

Publication Number Publication Date
JPS5445591A true JPS5445591A (en) 1979-04-10

Family

ID=14575098

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11198777A Pending JPS5445591A (en) 1977-09-17 1977-09-17 Diapason type crystal oscillator

Country Status (1)

Country Link
JP (1) JPS5445591A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6248174B2 (en) * 1980-08-29 1987-10-13 Asulab Sa
JP2010226573A (en) * 2009-03-25 2010-10-07 Nec Tokin Corp Piezoelectric tuning-fork vibrator and method of manufacturing the same

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6248174B2 (en) * 1980-08-29 1987-10-13 Asulab Sa
JP2010226573A (en) * 2009-03-25 2010-10-07 Nec Tokin Corp Piezoelectric tuning-fork vibrator and method of manufacturing the same

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