HK87885A - Improvements in or relating to electronic timepieces - Google Patents

Improvements in or relating to electronic timepieces

Info

Publication number
HK87885A
HK87885A HK878/85A HK87885A HK87885A HK 87885 A HK87885 A HK 87885A HK 878/85 A HK878/85 A HK 878/85A HK 87885 A HK87885 A HK 87885A HK 87885 A HK87885 A HK 87885A
Authority
HK
Hong Kong
Prior art keywords
divider
stages
logic state
standard signal
relating
Prior art date
Application number
HK878/85A
Other languages
English (en)
Inventor
Hitomi Aizawa
Original Assignee
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 Suwa Seikosha Kk filed Critical Suwa Seikosha Kk
Publication of HK87885A publication Critical patent/HK87885A/xx

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)
  • Quinoline Compounds (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Oscillators With Electromechanical Resonators (AREA)
HK878/85A 1979-03-29 1985-11-07 Improvements in or relating to electronic timepieces HK87885A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3753279A JPS55129789A (en) 1979-03-29 1979-03-29 Electronic watch

Publications (1)

Publication Number Publication Date
HK87885A true HK87885A (en) 1985-11-15

Family

ID=12500130

Family Applications (1)

Application Number Title Priority Date Filing Date
HK878/85A HK87885A (en) 1979-03-29 1985-11-07 Improvements in or relating to electronic timepieces

Country Status (8)

Country Link
US (1) US4378167A (xx)
JP (1) JPS55129789A (xx)
CH (1) CH648452GA3 (xx)
FR (1) FR2452737A1 (xx)
GB (1) GB2050007B (xx)
HK (1) HK87885A (xx)
MY (1) MY8700007A (xx)
SG (1) SG22185G (xx)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3135228C2 (de) * 1981-09-05 1984-12-13 Vdo Adolf Schindling Ag, 6000 Frankfurt Schaltungsanordnung zum Abgleich einer Pulsfrequenz einer quarzgesteuerten Uhr
JPS58158581A (ja) * 1982-03-16 1983-09-20 Seiko Instr & Electronics Ltd 電子時計用論理緩急回路
JPS58214876A (ja) * 1982-06-08 1983-12-14 Seiko Instr & Electronics Ltd 電子時計用回路
JPS59114485A (ja) * 1982-12-21 1984-07-02 Seiko Epson Corp 歩度調整装置
JPS60250289A (ja) * 1984-05-25 1985-12-10 Seiko Epson Corp 電子時計
JPS6117090A (ja) * 1984-07-02 1986-01-25 Matsushita Electric Works Ltd 年間ソ−ラタイムスイツチ
JP2513276B2 (ja) * 1988-06-10 1996-07-03 日本電気株式会社 位相同期ル―プ
US5717661A (en) * 1994-12-20 1998-02-10 Poulson; T. Earl Method and apparatus for adjusting the accuracy of electronic timepieces
JP3066724B2 (ja) * 1995-10-30 2000-07-17 セイコーインスツルメンツ株式会社 論理緩急回路及び論理緩急回路付き電子機器
JP3062995B2 (ja) * 1997-03-27 2000-07-12 セイコーインスツルメンツ株式会社 電子時計
DE10112373A1 (de) * 2001-03-15 2002-09-26 Philips Corp Intellectual Pty Verfahren zum Korrigieren einer Echtzeituhr eines elektronischen Geräts
USD1019279S1 (en) * 2021-09-30 2024-03-26 Bockatech Ltd. Cup

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1201406B (de) * 1964-07-11 1965-09-23 Telefunken Patent In seinem Teilerfaktor einstellbarer digitaler Frequenzteiler
CH554015A (xx) * 1971-10-15 1974-09-13
GB1450072A (en) * 1972-10-02 1976-09-22 Citizen Watch Co Ltd Electronic timepiece
US4062178A (en) * 1973-04-19 1977-12-13 Kabushiki Kaisha Suwa Seikosha Electronic timepiece
JPS5751079B2 (xx) * 1973-04-25 1982-10-30
JPS5099772A (xx) * 1973-12-29 1975-08-07
JPS5121866A (xx) * 1974-08-15 1976-02-21 Sharp Kk
JPS5174670A (xx) * 1974-12-23 1976-06-28 Seiko Instr & Electronics
JPS5181165A (xx) * 1975-01-13 1976-07-15 Suwa Seikosha Kk
US4023344A (en) * 1975-09-03 1977-05-17 Kabushiki Kaisha Suwa Seikosha Automatically corrected electronic timepiece
JPS5291471A (en) * 1976-01-28 1977-08-01 Toshiba Corp Clock pulse generator
JPS6039193B2 (ja) * 1977-10-18 1985-09-04 セイコーエプソン株式会社 電子時計

Also Published As

Publication number Publication date
SG22185G (en) 1985-09-13
US4378167A (en) 1983-03-29
CH648452GA3 (xx) 1985-03-29
MY8700007A (en) 1987-12-31
GB2050007A (en) 1980-12-31
GB2050007B (en) 1983-03-30
JPS55129789A (en) 1980-10-07
FR2452737A1 (fr) 1980-10-24
FR2452737B1 (xx) 1985-05-10

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Legal Events

Date Code Title Description
PE Patent expired