HK65080A - Improvements in or relating to electric timepieces - Google Patents

Improvements in or relating to electric timepieces

Info

Publication number
HK65080A
HK65080A HK65080A HK65080A HK65080A HK 65080 A HK65080 A HK 65080A HK 65080 A HK65080 A HK 65080A HK 65080 A HK65080 A HK 65080A HK 65080 A HK65080 A HK 65080A
Authority
HK
Hong Kong
Prior art keywords
relating
electric timepieces
timepieces
electric
Prior art date
Application number
HK65080A
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 HK65080A publication Critical patent/HK65080A/en

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L1/00—Stabilisation of generator output against variations of physical values, e.g. power supply
    • H03L1/02—Stabilisation of generator output against variations of physical values, e.g. power supply against variations of temperature only
    • H03L1/028—Stabilisation of generator output against variations of physical values, e.g. power supply against variations of temperature only of generators comprising piezoelectric resonators
    • 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)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
  • Oscillators With Electromechanical Resonators (AREA)
HK65080A 1973-05-21 1980-11-20 Improvements in or relating to electric timepieces HK65080A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5656873A JPS508451A (en) 1973-05-21 1973-05-21

Publications (1)

Publication Number Publication Date
HK65080A true HK65080A (en) 1980-11-28

Family

ID=13030727

Family Applications (1)

Application Number Title Priority Date Filing Date
HK65080A HK65080A (en) 1973-05-21 1980-11-20 Improvements in or relating to electric timepieces

Country Status (3)

Country Link
JP (1) JPS508451A (en)
GB (1) GB1450237A (en)
HK (1) HK65080A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5248875B2 (en) * 1972-01-07 1977-12-13
EP0469193A1 (en) * 1990-08-03 1992-02-05 Koninklijke Philips Electronics N.V. Temperature stabilized crystal oscillator
US5952894A (en) * 1995-11-07 1999-09-14 Nec Corporation Resonant circuit having a reactance for temperature compensation

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4314672Y1 (en) * 1965-06-02 1968-06-20

Also Published As

Publication number Publication date
JPS508451A (en) 1975-01-28
GB1450237A (en) 1976-09-22

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