JPS5473672A - Electronic watch - Google Patents

Electronic watch

Info

Publication number
JPS5473672A
JPS5473672A JP14115577A JP14115577A JPS5473672A JP S5473672 A JPS5473672 A JP S5473672A JP 14115577 A JP14115577 A JP 14115577A JP 14115577 A JP14115577 A JP 14115577A JP S5473672 A JPS5473672 A JP S5473672A
Authority
JP
Japan
Prior art keywords
adjustment
watch
volatile
errors
regulation
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
JP14115577A
Other languages
English (en)
Inventor
Yasutaka Nakasaki
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 Epson Corp
Suwa Seikosha KK
Original Assignee
Seiko Epson Corp
Suwa Seikosha KK
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 Epson Corp, Suwa Seikosha KK filed Critical Seiko Epson Corp
Priority to JP14115577A priority Critical patent/JPS5473672A/ja
Publication of JPS5473672A publication Critical patent/JPS5473672A/ja
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G3/00—Producing timing pulses
    • G04G3/02—Circuits for deriving low frequency timing pulses from pulses of higher frequency
    • G04G3/022—Circuits for deriving low frequency timing pulses from pulses of higher frequency the desired number of pulses per unit of time being obtained by adding to or substracting from a pulse train one or more pulses

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electric Clocks (AREA)
  • Oscillators With Electromechanical Resonators (AREA)
JP14115577A 1977-11-25 1977-11-25 Electronic watch Pending JPS5473672A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14115577A JPS5473672A (en) 1977-11-25 1977-11-25 Electronic watch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14115577A JPS5473672A (en) 1977-11-25 1977-11-25 Electronic watch

Publications (1)

Publication Number Publication Date
JPS5473672A true JPS5473672A (en) 1979-06-13

Family

ID=15285401

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14115577A Pending JPS5473672A (en) 1977-11-25 1977-11-25 Electronic watch

Country Status (1)

Country Link
JP (1) JPS5473672A (ja)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56140281A (en) * 1980-04-01 1981-11-02 Citizen Watch Co Ltd Electronic timepiece
JPS62147913U (ja) * 1986-03-13 1987-09-18
JP2008515294A (ja) * 2004-09-24 2008-05-08 サイプレス セミコンダクター コーポレーション 不揮発性プログラマブル水晶発振回路
JP2008187427A (ja) * 2007-01-30 2008-08-14 Epson Toyocom Corp 圧電発振器
JP2009537077A (ja) * 2005-05-27 2009-10-22 サイプレス セミコンダクター コーポレイション 電圧制御水晶発振器を同調させるための値を動的に計算するための方法及びシステム

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56140281A (en) * 1980-04-01 1981-11-02 Citizen Watch Co Ltd Electronic timepiece
JPS6140353B2 (ja) * 1980-04-01 1986-09-09 Citizen Watch Co Ltd
JPS62147913U (ja) * 1986-03-13 1987-09-18
JP2008515294A (ja) * 2004-09-24 2008-05-08 サイプレス セミコンダクター コーポレーション 不揮発性プログラマブル水晶発振回路
JP2009537077A (ja) * 2005-05-27 2009-10-22 サイプレス セミコンダクター コーポレイション 電圧制御水晶発振器を同調させるための値を動的に計算するための方法及びシステム
JP2008187427A (ja) * 2007-01-30 2008-08-14 Epson Toyocom Corp 圧電発振器

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