JPS51147294A - Tuning fork type crystal oscillator - Google Patents

Tuning fork type crystal oscillator

Info

Publication number
JPS51147294A
JPS51147294A JP50071494A JP7149475A JPS51147294A JP S51147294 A JPS51147294 A JP S51147294A JP 50071494 A JP50071494 A JP 50071494A JP 7149475 A JP7149475 A JP 7149475A JP S51147294 A JPS51147294 A JP S51147294A
Authority
JP
Japan
Prior art keywords
tuning fork
fork type
crystal oscillator
type crystal
wuited
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
JP50071494A
Other languages
Japanese (ja)
Inventor
Yoshiaki Kato
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 JP50071494A priority Critical patent/JPS51147294A/en
Publication of JPS51147294A publication Critical patent/JPS51147294A/en
Pending legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03HIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
    • H03H9/15Constructional features of resonators consisting of piezoelectric or electrostrictive material
    • H03H9/21Crystal 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 provide an optimum design standard for a +5 deg. XY cut crystal tuning fork type oscillator which is considered to be wuited to an electronic watch.
JP50071494A 1975-06-13 1975-06-13 Tuning fork type crystal oscillator Pending JPS51147294A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50071494A JPS51147294A (en) 1975-06-13 1975-06-13 Tuning fork type crystal oscillator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50071494A JPS51147294A (en) 1975-06-13 1975-06-13 Tuning fork type crystal oscillator

Publications (1)

Publication Number Publication Date
JPS51147294A true JPS51147294A (en) 1976-12-17

Family

ID=13462262

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50071494A Pending JPS51147294A (en) 1975-06-13 1975-06-13 Tuning fork type crystal oscillator

Country Status (1)

Country Link
JP (1) JPS51147294A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1979001101A1 (en) * 1978-05-23 1979-12-13 Suwa Seikosha Kk Quartz crystal resonator

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5182588A (en) * 1975-01-17 1976-07-20 Kinsekisha Lab Ltd ATSUDENTAI KUTSUKYOKUSHINDOSHI

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5182588A (en) * 1975-01-17 1976-07-20 Kinsekisha Lab Ltd ATSUDENTAI KUTSUKYOKUSHINDOSHI

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1979001101A1 (en) * 1978-05-23 1979-12-13 Suwa Seikosha Kk Quartz crystal resonator

Similar Documents

Publication Publication Date Title
JPS5320845A (en) Quartz crystal watch
JPS5217785A (en) Slip thickness crystal resohator
JPS51147294A (en) Tuning fork type crystal oscillator
JPS5276070A (en) Electronic timepiece
JPS5229259A (en) Electronic clock
JPS5360149A (en) Voltage control oscillator circuit
JPS5364562A (en) Resonator for electronic wristwatch with alarm
JPS5267590A (en) Electronic wrist watch
JPS5280875A (en) Electronic watch
JPS524269A (en) Crystal wrist watch with static shield plate
JPS51149755A (en) Electronic clock
JPS5312665A (en) Vibrator disposition structure in electronic watch
JPS51150252A (en) Vibrator for electronic watch
JPS52128094A (en) Electronic watch
JPS5312663A (en) Alarm electronic watch
JPS5280162A (en) Electronic circuit for watches
JPS52135283A (en) Tuning fork type crystal resonator
JPS54161365A (en) Electronic watch
JPS5357070A (en) Electronic watch
JPS542090A (en) Tuning fork type piezo electric oscillator
JPS5267589A (en) Crystal vibrator
JPS52111763A (en) Electronic watch
JPS5422194A (en) Piezoelectric oscillator
JPS5273773A (en) Electronic wristwatch
JPS5223247A (en) Oscillator

Legal Events

Date Code Title Description
R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

FPAY Renewal fee payment (prs date is renewal date of database)

Year of fee payment: 11

Free format text: PAYMENT UNTIL: 20080418

FPAY Renewal fee payment (prs date is renewal date of database)

Year of fee payment: 12

Free format text: PAYMENT UNTIL: 20090418

FPAY Renewal fee payment (prs date is renewal date of database)

Free format text: PAYMENT UNTIL: 20090418

Year of fee payment: 12

FPAY Renewal fee payment (prs date is renewal date of database)

Year of fee payment: 13

Free format text: PAYMENT UNTIL: 20100418

FPAY Renewal fee payment (prs date is renewal date of database)

Free format text: PAYMENT UNTIL: 20100418

Year of fee payment: 13

FPAY Renewal fee payment (prs date is renewal date of database)

Free format text: PAYMENT UNTIL: 20110418

Year of fee payment: 14

FPAY Renewal fee payment (prs date is renewal date of database)

Year of fee payment: 15

Free format text: PAYMENT UNTIL: 20120418

FPAY Renewal fee payment (prs date is renewal date of database)

Year of fee payment: 15

Free format text: PAYMENT UNTIL: 20120418

FPAY Renewal fee payment (prs date is renewal date of database)

Free format text: PAYMENT UNTIL: 20130418

Year of fee payment: 16

FPAY Renewal fee payment (prs date is renewal date of database)

Free format text: PAYMENT UNTIL: 20130418

Year of fee payment: 16

FPAY Renewal fee payment (prs date is renewal date of database)

Free format text: PAYMENT UNTIL: 20140418

Year of fee payment: 17

EXPY Cancellation because of completion of term