HK62576A - Electronic watch having quartz crystal controlled oscillator and frequency divider arrangement for driving a display device - Google Patents

Electronic watch having quartz crystal controlled oscillator and frequency divider arrangement for driving a display device

Info

Publication number
HK62576A
HK62576A HK625/76*UA HK62576A HK62576A HK 62576 A HK62576 A HK 62576A HK 62576 A HK62576 A HK 62576A HK 62576 A HK62576 A HK 62576A
Authority
HK
Hong Kong
Prior art keywords
driving
display device
controlled oscillator
frequency divider
quartz crystal
Prior art date
Application number
HK625/76*UA
Inventor
H G Dill
Original Assignee
Hughes Aircraft Co
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 Hughes Aircraft Co filed Critical Hughes Aircraft Co
Publication of HK62576A publication Critical patent/HK62576A/en

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
    • 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
    • G04F5/063—Constructional details
    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G17/00—Structural details; Housings
    • G04G17/02—Component assemblies
    • G04G17/04—Mounting of electronic components

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electric Clocks (AREA)
  • Oscillators With Electromechanical Resonators (AREA)
HK625/76*UA 1972-07-03 1976-10-07 Electronic watch having quartz crystal controlled oscillator and frequency divider arrangement for driving a display device HK62576A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US26829172A 1972-07-03 1972-07-03

Publications (1)

Publication Number Publication Date
HK62576A true HK62576A (en) 1976-10-15

Family

ID=23022301

Family Applications (1)

Application Number Title Priority Date Filing Date
HK625/76*UA HK62576A (en) 1972-07-03 1976-10-07 Electronic watch having quartz crystal controlled oscillator and frequency divider arrangement for driving a display device

Country Status (4)

Country Link
US (1) US3757510A (en)
JP (1) JPS4953873A (en)
GB (1) GB1402221A (en)
HK (1) HK62576A (en)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3934399A (en) * 1972-06-12 1976-01-27 Kabushiki Kaisha Seikosha Electric timepiece incorporating rectifier and driving circuits integrated in a single chip
US3959964A (en) * 1972-08-03 1976-06-01 Kabushiki Kaisha Suwa Seikosha Mounting arrangement for timepiece components
JPS4941055A (en) * 1972-08-28 1974-04-17
US4015419A (en) * 1972-10-02 1977-04-05 Citizen Watch Co., Ltd. Electronic timepiece
JPS4963371A (en) * 1972-10-19 1974-06-19
JPS4991279A (en) * 1972-12-29 1974-08-31
DE2323858C3 (en) * 1973-05-11 1975-12-18 Deutsche Itt Industries Gmbh, 7800 Freiburg Monolithically integrable crystal oscillator circuit
JPS506369A (en) * 1973-05-16 1975-01-23
US3889459A (en) * 1973-06-01 1975-06-17 Sun Lu Electronic timepiece and method of making the same
JPS5062575U (en) * 1973-10-06 1975-06-07
JPS5751076B2 (en) * 1973-08-02 1982-10-30
JPS5049470U (en) * 1973-08-31 1975-05-15
GB1479779A (en) * 1973-09-25 1977-07-13 Citizen Watch Co Ltd Liquid crystal display wrist watch
US3956880A (en) * 1973-10-18 1976-05-18 Time Computer, Inc. Solid state wristwatch with charge coupled divider
DE2403289C3 (en) * 1974-01-24 1984-05-17 Gebr. Staiger, Fabrik für Feinmechanik und Elektrotechnik-Kunststoffspritzerei, 7742 St. Georgen Battery operated alarm clock
US3887881A (en) * 1974-01-24 1975-06-03 American Micro Syst Low voltage CMOS amplifier
US3863436A (en) * 1974-04-18 1975-02-04 Timex Corp Solid state quartz watch
JPS50147883A (en) * 1974-05-20 1975-11-27
US3945196A (en) * 1974-05-30 1976-03-23 American Microsystems, Inc. Universal solid state time-keeping package
US4060971A (en) * 1974-09-10 1977-12-06 Time Computer, Inc. Solid state watch with inertial switch
US4045953A (en) * 1974-09-30 1977-09-06 Kabushiki Kaisha Daini Seikosha Circuit board for an electronic timepiece
JPS593897B2 (en) * 1975-07-25 1984-01-26 シチズン時計株式会社 Bunshiyu Cairo
CH608327B (en) * 1976-01-19 Ebauches Sa ELECTRONIC WATCH.
US4104860A (en) * 1976-12-27 1978-08-08 Solid State Scientific Inc. High speed dynamic flip-flop system
JP4561829B2 (en) * 2005-02-24 2010-10-13 セイコーエプソン株式会社 Clock signal output device and control method thereof, electronic device and control method thereof

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH490710A (en) * 1966-02-10 1969-08-15 Suisse Horlogerie Electronic timepiece
GB1205753A (en) * 1966-09-09 1970-09-16 Smiths Industries Ltd Horological instruments incorporating electrical oscillation generators
US3505804A (en) * 1968-04-23 1970-04-14 Rca Corp Solid state clock
US3576099A (en) * 1969-04-22 1971-04-27 Hamilton Watch Co Solid state timepiece having electro-optical time display
US3672155A (en) * 1970-05-06 1972-06-27 Hamilton Watch Co Solid state watch
US3668861A (en) * 1970-11-17 1972-06-13 Suwa Seikosha Kk Solid state electronic watch

Also Published As

Publication number Publication date
GB1402221A (en) 1975-08-06
US3757510A (en) 1973-09-11
JPS4953873A (en) 1974-05-25

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