JPS542090A - Tuning fork type piezo electric oscillator - Google Patents

Tuning fork type piezo electric oscillator

Info

Publication number
JPS542090A
JPS542090A JP6719377A JP6719377A JPS542090A JP S542090 A JPS542090 A JP S542090A JP 6719377 A JP6719377 A JP 6719377A JP 6719377 A JP6719377 A JP 6719377A JP S542090 A JPS542090 A JP S542090A
Authority
JP
Japan
Prior art keywords
piezo electric
tuning fork
fork type
type piezo
electric oscillator
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
JP6719377A
Other languages
Japanese (ja)
Inventor
Isao Nakamura
Takehiko Sasaki
Tamotsu Koyama
Yoshiharu Kuroda
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.)
Sharp Corp
Original Assignee
Sharp Corp
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 Sharp Corp filed Critical Sharp Corp
Priority to JP6719377A priority Critical patent/JPS542090A/en
Publication of JPS542090A publication Critical patent/JPS542090A/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 reduce the audible leakage by increasing the accuracy of various sizes, through constituting a tuning fork type piezo electric oscillator with two piezo electric rods, in an electronic watch.
JP6719377A 1977-06-06 1977-06-06 Tuning fork type piezo electric oscillator Pending JPS542090A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6719377A JPS542090A (en) 1977-06-06 1977-06-06 Tuning fork type piezo electric oscillator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6719377A JPS542090A (en) 1977-06-06 1977-06-06 Tuning fork type piezo electric oscillator

Publications (1)

Publication Number Publication Date
JPS542090A true JPS542090A (en) 1979-01-09

Family

ID=13337812

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6719377A Pending JPS542090A (en) 1977-06-06 1977-06-06 Tuning fork type piezo electric oscillator

Country Status (1)

Country Link
JP (1) JPS542090A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS64538A (en) * 1987-02-19 1989-01-05 Fuji Photo Film Co Ltd Silver halide photographic sensitive material

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS64538A (en) * 1987-02-19 1989-01-05 Fuji Photo Film Co Ltd Silver halide photographic sensitive material

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