JPS5248990A - Thin plate tuning fork type quartz oscillator - Google Patents

Thin plate tuning fork type quartz oscillator

Info

Publication number
JPS5248990A
JPS5248990A JP12428375A JP12428375A JPS5248990A JP S5248990 A JPS5248990 A JP S5248990A JP 12428375 A JP12428375 A JP 12428375A JP 12428375 A JP12428375 A JP 12428375A JP S5248990 A JPS5248990 A JP S5248990A
Authority
JP
Japan
Prior art keywords
tuning fork
thin plate
fork type
quartz oscillator
type quartz
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
JP12428375A
Other languages
Japanese (ja)
Inventor
Toshihiko Nakayama
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 JP12428375A priority Critical patent/JPS5248990A/en
Publication of JPS5248990A publication Critical patent/JPS5248990A/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
    • H03H9/215—Crystal tuning forks consisting of quartz

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 try to reduce the manufacturing cost of the title oscillator and make improvements, such as prevention of short circuit of electrodes, by simultaneously etching frames surrounding a tuning fork and said fork in one body from its base part.
JP12428375A 1975-10-17 1975-10-17 Thin plate tuning fork type quartz oscillator Pending JPS5248990A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12428375A JPS5248990A (en) 1975-10-17 1975-10-17 Thin plate tuning fork type quartz oscillator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12428375A JPS5248990A (en) 1975-10-17 1975-10-17 Thin plate tuning fork type quartz oscillator

Publications (1)

Publication Number Publication Date
JPS5248990A true JPS5248990A (en) 1977-04-19

Family

ID=14881494

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12428375A Pending JPS5248990A (en) 1975-10-17 1975-10-17 Thin plate tuning fork type quartz oscillator

Country Status (1)

Country Link
JP (1) JPS5248990A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2461404A1 (en) * 1979-07-06 1981-01-30 Ebauchesfabrik Eta Ag PIEZOELECTRIC RESONATOR AND METHOD FOR MANUFACTURING THE SAME
US4450378A (en) * 1982-02-16 1984-05-22 Centre Electronique Horloger S.A. ZT-Cut piezo-electric resonator
US4785215A (en) * 1986-11-07 1988-11-15 Israel Aircraft Industries Ltd. Resonant element force transducer for acceleration sensing

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2461404A1 (en) * 1979-07-06 1981-01-30 Ebauchesfabrik Eta Ag PIEZOELECTRIC RESONATOR AND METHOD FOR MANUFACTURING THE SAME
US4450378A (en) * 1982-02-16 1984-05-22 Centre Electronique Horloger S.A. ZT-Cut piezo-electric resonator
US4785215A (en) * 1986-11-07 1988-11-15 Israel Aircraft Industries Ltd. Resonant element force transducer for acceleration sensing

Similar Documents

Publication Publication Date Title
JPS5248990A (en) Thin plate tuning fork type quartz oscillator
JPS51148464A (en) Electronic digital-alarm clock
JPS52149084A (en) Crystal vibrator
JPS527771A (en) Electronic timepiece with keyboard
JPS51130150A (en) Oscillation circuit
JPS52149934A (en) Cyclic code arithmetic circuit
JPS51150368A (en) Electronic watch
JPS5227663A (en) Multi-function electronic timepiece
JPS51129266A (en) Electronic watch
JPS5359472A (en) Electronic circuit device of crystal watch
JPS5219052A (en) Low current-consumption crystal oscillator circuit device
JPS5227665A (en) Electronic timepiece
JPS52137991A (en) Tuning fork type crystal resonator
JPS5320887A (en) Piezoelectric oscillator
JPS5368066A (en) Semiconductor switch
JPS51118940A (en) Microwave integrated circuit
JPS5320891A (en) Piezoelectric oscillator
JPS51147159A (en) Semiconductor direct oscillator
JPS52104034A (en) Electronic tuning circuit
JPS526458A (en) Integrated semi-conductor logicalcircuit
JPS5230147A (en) Negative resistance oscillator circuit
JPS5291681A (en) Vibrator crystal plate and manufacture of it
JPS5224001A (en) Tuner
JPS5376728A (en) Microwave circuit
JPS5284909A (en) Switching circuit