JPS5335462A - Crystal watch - Google Patents

Crystal watch

Info

Publication number
JPS5335462A
JPS5335462A JP11012676A JP11012676A JPS5335462A JP S5335462 A JPS5335462 A JP S5335462A JP 11012676 A JP11012676 A JP 11012676A JP 11012676 A JP11012676 A JP 11012676A JP S5335462 A JPS5335462 A JP S5335462A
Authority
JP
Japan
Prior art keywords
crystal watch
watch
crystal
long life
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
JP11012676A
Other languages
Japanese (ja)
Other versions
JPS6212684B2 (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 JP11012676A priority Critical patent/JPS5335462A/en
Publication of JPS5335462A publication Critical patent/JPS5335462A/en
Publication of JPS6212684B2 publication Critical patent/JPS6212684B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Electric Clocks (AREA)
  • Electromechanical Clocks (AREA)
  • Oscillators With Electromechanical Resonators (AREA)

Abstract

PURPOSE: To obtain a stable oscillation and long life, by suitably selecting the dynamic impedance of diapason type crystal oscillators.
COPYRIGHT: (C)1978,JPO&Japio
JP11012676A 1976-09-14 1976-09-14 Crystal watch Granted JPS5335462A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11012676A JPS5335462A (en) 1976-09-14 1976-09-14 Crystal watch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11012676A JPS5335462A (en) 1976-09-14 1976-09-14 Crystal watch

Publications (2)

Publication Number Publication Date
JPS5335462A true JPS5335462A (en) 1978-04-01
JPS6212684B2 JPS6212684B2 (en) 1987-03-20

Family

ID=14527677

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11012676A Granted JPS5335462A (en) 1976-09-14 1976-09-14 Crystal watch

Country Status (1)

Country Link
JP (1) JPS5335462A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007053819A (en) * 2001-10-31 2007-03-01 Piedekku Gijutsu Kenkyusho:Kk Manufacturing method of quartz unit
JP2007060729A (en) * 2001-10-31 2007-03-08 Piedekku Gijutsu Kenkyusho:Kk Quartz resonator
JP2007209039A (en) * 2001-10-31 2007-08-16 Piedekku Gijutsu Kenkyusho:Kk Method for manufacturing quartz crystal unit
JP2008125100A (en) * 2001-10-31 2008-05-29 Piedekku Gijutsu Kenkyusho:Kk Method of manufacturing quartz crystal resonator, quartz crystal unit, quartz crystal oscillator, and mobile device
JP2008278489A (en) * 2001-10-31 2008-11-13 Piedekku Gijutsu Kenkyusho:Kk Method of manufacturing quartz crystal resonator

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007053819A (en) * 2001-10-31 2007-03-01 Piedekku Gijutsu Kenkyusho:Kk Manufacturing method of quartz unit
JP2007060729A (en) * 2001-10-31 2007-03-08 Piedekku Gijutsu Kenkyusho:Kk Quartz resonator
JP2007209039A (en) * 2001-10-31 2007-08-16 Piedekku Gijutsu Kenkyusho:Kk Method for manufacturing quartz crystal unit
JP2008125100A (en) * 2001-10-31 2008-05-29 Piedekku Gijutsu Kenkyusho:Kk Method of manufacturing quartz crystal resonator, quartz crystal unit, quartz crystal oscillator, and mobile device
JP2008278489A (en) * 2001-10-31 2008-11-13 Piedekku Gijutsu Kenkyusho:Kk Method of manufacturing quartz crystal resonator
JP2012054946A (en) * 2001-10-31 2012-03-15 Piedekku Gijutsu Kenkyusho:Kk Crystal resonator, crystal unit, crystal oscillator and portable device, and each manufacturing method of crystal resonator and crystal unit

Also Published As

Publication number Publication date
JPS6212684B2 (en) 1987-03-20

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