JPS5275290A - Tuning fork type crystal resonator - Google Patents

Tuning fork type crystal resonator

Info

Publication number
JPS5275290A
JPS5275290A JP15167275A JP15167275A JPS5275290A JP S5275290 A JPS5275290 A JP S5275290A JP 15167275 A JP15167275 A JP 15167275A JP 15167275 A JP15167275 A JP 15167275A JP S5275290 A JPS5275290 A JP S5275290A
Authority
JP
Japan
Prior art keywords
tuning fork
type crystal
crystal resonator
fork 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.)
Granted
Application number
JP15167275A
Other languages
Japanese (ja)
Other versions
JPS6048928B2 (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
Application filed by Seiko Instruments Inc filed Critical Seiko Instruments Inc
Priority to JP50151672A priority Critical patent/JPS6048928B2/en
Publication of JPS5275290A publication Critical patent/JPS5275290A/en
Publication of JPS6048928B2 publication Critical patent/JPS6048928B2/en
Expired 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:A highly accurate crystal watch wherein current consumption is decreased and the stability of an oscillation circuit is increased is obtained by limiting the piezoelectric efficiency of crystal.
JP50151672A 1975-12-19 1975-12-19 Tuning fork crystal oscillator Expired JPS6048928B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50151672A JPS6048928B2 (en) 1975-12-19 1975-12-19 Tuning fork crystal oscillator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50151672A JPS6048928B2 (en) 1975-12-19 1975-12-19 Tuning fork crystal oscillator

Publications (2)

Publication Number Publication Date
JPS5275290A true JPS5275290A (en) 1977-06-24
JPS6048928B2 JPS6048928B2 (en) 1985-10-30

Family

ID=15523706

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50151672A Expired JPS6048928B2 (en) 1975-12-19 1975-12-19 Tuning fork crystal oscillator

Country Status (1)

Country Link
JP (1) JPS6048928B2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61284343A (en) * 1985-06-08 1986-12-15 Toyoda Mach Works Ltd Device for removably attaching spindle tool

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4921091A (en) * 1972-06-16 1974-02-25
JPS4948289A (en) * 1972-09-13 1974-05-10
JPS49131088A (en) * 1973-04-16 1974-12-16 Suwa Seikosha Kk
JPS50150393A (en) * 1974-05-22 1975-12-02

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4921091A (en) * 1972-06-16 1974-02-25
JPS4948289A (en) * 1972-09-13 1974-05-10
JPS49131088A (en) * 1973-04-16 1974-12-16 Suwa Seikosha Kk
JPS50150393A (en) * 1974-05-22 1975-12-02

Also Published As

Publication number Publication date
JPS6048928B2 (en) 1985-10-30

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