JPS52119195A - Crystal resonator in tuning fork type - Google Patents

Crystal resonator in tuning fork type

Info

Publication number
JPS52119195A
JPS52119195A JP3557376A JP3557376A JPS52119195A JP S52119195 A JPS52119195 A JP S52119195A JP 3557376 A JP3557376 A JP 3557376A JP 3557376 A JP3557376 A JP 3557376A JP S52119195 A JPS52119195 A JP S52119195A
Authority
JP
Japan
Prior art keywords
tuning fork
crystal resonator
fork type
arm
distortion
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
JP3557376A
Other languages
Japanese (ja)
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 JP3557376A priority Critical patent/JPS52119195A/en
Publication of JPS52119195A publication Critical patent/JPS52119195A/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 obtain the micro and extremely thin crystal resonator by varying the direction of the distortion at the whole arm of the tuning fork and by providing the electrodes to the both ends of the arm of the tuning fork.
JP3557376A 1976-03-31 1976-03-31 Crystal resonator in tuning fork type Pending JPS52119195A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3557376A JPS52119195A (en) 1976-03-31 1976-03-31 Crystal resonator in tuning fork type

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3557376A JPS52119195A (en) 1976-03-31 1976-03-31 Crystal resonator in tuning fork type

Publications (1)

Publication Number Publication Date
JPS52119195A true JPS52119195A (en) 1977-10-06

Family

ID=12445490

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3557376A Pending JPS52119195A (en) 1976-03-31 1976-03-31 Crystal resonator in tuning fork type

Country Status (1)

Country Link
JP (1) JPS52119195A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5857812A (en) * 1981-10-02 1983-04-06 Seiko Instr & Electronics Ltd Tuning fork type bending crystal oscillator
JP2002141770A (en) * 2000-11-01 2002-05-17 Citizen Watch Co Ltd Small-sized vibrator

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4873093A (en) * 1971-12-29 1973-10-02
JPS4940086A (en) * 1972-08-16 1974-04-15
JPS513888A (en) * 1974-07-01 1976-01-13 Citizen Watch Co Ltd CHOSUGATASUISHOSHINDOSHI

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4873093A (en) * 1971-12-29 1973-10-02
JPS4940086A (en) * 1972-08-16 1974-04-15
JPS513888A (en) * 1974-07-01 1976-01-13 Citizen Watch Co Ltd CHOSUGATASUISHOSHINDOSHI

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5857812A (en) * 1981-10-02 1983-04-06 Seiko Instr & Electronics Ltd Tuning fork type bending crystal oscillator
JPH0129089B2 (en) * 1981-10-02 1989-06-07 Seiko Denshi Kogyo Kk
JP2002141770A (en) * 2000-11-01 2002-05-17 Citizen Watch Co Ltd Small-sized vibrator

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