JPS5429597A - Diapason type crystal oscillator - Google Patents

Diapason type crystal oscillator

Info

Publication number
JPS5429597A
JPS5429597A JP9547077A JP9547077A JPS5429597A JP S5429597 A JPS5429597 A JP S5429597A JP 9547077 A JP9547077 A JP 9547077A JP 9547077 A JP9547077 A JP 9547077A JP S5429597 A JPS5429597 A JP S5429597A
Authority
JP
Japan
Prior art keywords
type crystal
crystal oscillator
diapason
watches
size
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
JP9547077A
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 JP9547077A priority Critical patent/JPS5429597A/en
Publication of JPS5429597A publication Critical patent/JPS5429597A/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 increase the performance when using the diapason for watches and to enable the watches thin in thickness and small in size, by adopting special construction for the case containing a diapason type crystal oscillator chip and by setting the shape and size of each part of the oscillator chip to a specific value.
JP9547077A 1977-08-09 1977-08-09 Diapason type crystal oscillator Pending JPS5429597A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9547077A JPS5429597A (en) 1977-08-09 1977-08-09 Diapason type crystal oscillator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9547077A JPS5429597A (en) 1977-08-09 1977-08-09 Diapason type crystal oscillator

Publications (1)

Publication Number Publication Date
JPS5429597A true JPS5429597A (en) 1979-03-05

Family

ID=14138524

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9547077A Pending JPS5429597A (en) 1977-08-09 1977-08-09 Diapason type crystal oscillator

Country Status (1)

Country Link
JP (1) JPS5429597A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997008826A1 (en) * 1995-08-30 1997-03-06 Miyota Co., Ltd Sealing container for piezoelectric vibrator
WO2000008755A1 (en) * 1998-08-07 2000-02-17 Seiko Epson Corporation Piezoelectric vibrator container, piezoelectric vibrator using it and circuit board mounting piezoelectric vibrator thereon and production method for piezoelectric vibrator

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997008826A1 (en) * 1995-08-30 1997-03-06 Miyota Co., Ltd Sealing container for piezoelectric vibrator
US5898256A (en) * 1995-08-30 1999-04-27 Miyota Co., Ltd. Container for enclosing a piezo-electric transducer
WO2000008755A1 (en) * 1998-08-07 2000-02-17 Seiko Epson Corporation Piezoelectric vibrator container, piezoelectric vibrator using it and circuit board mounting piezoelectric vibrator thereon and production method for piezoelectric vibrator
US6590314B1 (en) 1998-08-07 2003-07-08 Seiko Epson Corporation Piezoelectric resonator container, piezoelectric resonator using the same, circuit board mounting piezoelectric resonator thereon, and method for manufacturing piezoelectric resonator

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