JPS5411770A - Electronic watch - Google Patents

Electronic watch

Info

Publication number
JPS5411770A
JPS5411770A JP7731377A JP7731377A JPS5411770A JP S5411770 A JPS5411770 A JP S5411770A JP 7731377 A JP7731377 A JP 7731377A JP 7731377 A JP7731377 A JP 7731377A JP S5411770 A JPS5411770 A JP S5411770A
Authority
JP
Japan
Prior art keywords
electronic watch
crystal
vibrators
improve
yield
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
JP7731377A
Other languages
Japanese (ja)
Inventor
Hideyuki Nakao
Yasuhiro Kasai
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 JP7731377A priority Critical patent/JPS5411770A/en
Publication of JPS5411770A publication Critical patent/JPS5411770A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04F—TIME-INTERVAL MEASURING
    • G04F5/00—Apparatus for producing preselected time intervals for use as timing standards
    • G04F5/04—Apparatus for producing preselected time intervals for use as timing standards using oscillators with electromechanical resonators producing electric oscillations or timing pulses
    • G04F5/06—Apparatus for producing preselected time intervals for use as timing standards using oscillators with electromechanical resonators producing electric oscillations or timing pulses using piezoelectric resonators

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electric Clocks (AREA)

Abstract

PURPOSE:To improve temperature characteristics and improve the yield of crystal vibrators by providing at least two or more crystal vibrators or crystal blocks in an electronic watch having crystal units.
JP7731377A 1977-06-28 1977-06-28 Electronic watch Pending JPS5411770A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7731377A JPS5411770A (en) 1977-06-28 1977-06-28 Electronic watch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7731377A JPS5411770A (en) 1977-06-28 1977-06-28 Electronic watch

Publications (1)

Publication Number Publication Date
JPS5411770A true JPS5411770A (en) 1979-01-29

Family

ID=13630418

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7731377A Pending JPS5411770A (en) 1977-06-28 1977-06-28 Electronic watch

Country Status (1)

Country Link
JP (1) JPS5411770A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62274057A (en) * 1986-05-20 1987-11-28 Aichi Steel Works Ltd Soft-magnetic stainless steel for cold forging
JPS63230827A (en) * 1987-03-20 1988-09-27 Sumitomo Metal Ind Ltd Manufacture of ferritic stainless steel sheet excellent in thermal fatigue characteristic
US5709836A (en) * 1994-07-05 1998-01-20 Kawasaki Steel Corporation Chromium steel sheets having an excellent press formability

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62274057A (en) * 1986-05-20 1987-11-28 Aichi Steel Works Ltd Soft-magnetic stainless steel for cold forging
JPS63230827A (en) * 1987-03-20 1988-09-27 Sumitomo Metal Ind Ltd Manufacture of ferritic stainless steel sheet excellent in thermal fatigue characteristic
US5709836A (en) * 1994-07-05 1998-01-20 Kawasaki Steel Corporation Chromium steel sheets having an excellent press formability

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