CA988614A - Resistor trim for quartz watch oscillator - Google Patents

Resistor trim for quartz watch oscillator

Info

Publication number
CA988614A
CA988614A CA182,842A CA182842A CA988614A CA 988614 A CA988614 A CA 988614A CA 182842 A CA182842 A CA 182842A CA 988614 A CA988614 A CA 988614A
Authority
CA
Canada
Prior art keywords
quartz watch
resistor trim
watch oscillator
oscillator
trim
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.)
Expired
Application number
CA182,842A
Other languages
English (en)
Other versions
CA182842S (en
Inventor
Eugene R. Keeler
Robert C. Shapiro
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.)
Timex Group USA Inc
Original Assignee
Timex Corp
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 Timex Corp filed Critical Timex Corp
Application granted granted Critical
Publication of CA988614A publication Critical patent/CA988614A/en
Expired 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
    • H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
    • H03B5/30—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator
    • H03B5/32—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator being a piezoelectric resonator
    • H03B5/36—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator being a piezoelectric resonator active element in amplifier being semiconductor device
    • H03B5/364—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator being a piezoelectric resonator active element in amplifier being semiconductor device the amplifier comprising field effect transistors
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
    • H03B2200/00—Indexing scheme relating to details of oscillators covered by H03B
    • H03B2200/0002—Types of oscillators
    • H03B2200/0012—Pierce oscillator

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Oscillators With Electromechanical Resonators (AREA)
  • Electric Clocks (AREA)
  • Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
CA182,842A 1972-10-12 1973-10-09 Resistor trim for quartz watch oscillator Expired CA988614A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00297151A US3803828A (en) 1972-10-12 1972-10-12 Resistor trim for quartz oscillator

Publications (1)

Publication Number Publication Date
CA988614A true CA988614A (en) 1976-05-04

Family

ID=23145071

Family Applications (1)

Application Number Title Priority Date Filing Date
CA182,842A Expired CA988614A (en) 1972-10-12 1973-10-09 Resistor trim for quartz watch oscillator

Country Status (11)

Country Link
US (1) US3803828A (xx)
JP (2) JPS4974866A (xx)
AU (1) AU476377B2 (xx)
BE (1) BE806031A (xx)
CA (1) CA988614A (xx)
DE (1) DE2349749B2 (xx)
FR (1) FR2203220B1 (xx)
GB (1) GB1429257A (xx)
HK (1) HK76576A (xx)
IT (1) IT994400B (xx)
NL (1) NL7313801A (xx)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49105157U (xx) * 1972-12-01 1974-09-09
CH893373A4 (xx) * 1973-06-20 1977-06-15
JPS5048555U (xx) * 1973-08-31 1975-05-13
US3965442A (en) * 1975-02-03 1976-06-22 Rca Corporation CMOS oscillator
JPS5829661B2 (ja) * 1975-09-12 1983-06-24 株式会社東芝 シユウハスウブンシユウカイロ
US4283691A (en) * 1979-05-29 1981-08-11 Hewlett-Packard Company Crystal oscillator having low noise signal extraction circuit
JPS5652906A (en) * 1979-10-04 1981-05-12 Toshiba Corp Oscillating circuit
US4433920A (en) * 1980-07-08 1984-02-28 Citizen Watch Company Limited Electronic timepiece having improved primary frequency divider response characteristics
JPS59205A (ja) * 1982-05-26 1984-01-05 Fujitsu Ltd 利得補正付き発振回路
JPS62200804A (ja) * 1986-02-27 1987-09-04 Ricoh Co Ltd プログラム可能なアナログ量素子をもつ半導体集積回路装置
JP3646236B2 (ja) * 1997-01-16 2005-05-11 日本プレシジョン・サーキッツ株式会社 水晶発振回路及び水晶発振用集積回路装置
US6459342B1 (en) * 1999-12-15 2002-10-01 Texas Instruments Incorporated System and method for controlling an oscillator
JP4532502B2 (ja) * 2003-12-02 2010-08-25 ソリアニス・ホールディング・アーゲー 生きている組織の特性を測定するための装置
JP4524179B2 (ja) * 2004-12-28 2010-08-11 日本電波工業株式会社 ピアース型発振回路
EP2299337B1 (fr) * 2009-09-22 2013-02-27 The Swatch Group Research and Development Ltd. Récepteur de signaux radiosynchrones pour le réglage d'une base de temps, et procédé de mise en action du récepteur

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR967659A (fr) * 1948-06-04 1950-11-09 Radio Electr Soc Fr Perfectionnements aux montages oscillateurs à quartz
US2643418A (en) * 1950-07-03 1953-06-30 Tennant As Method of making fishing lures
US2788449A (en) * 1954-06-25 1957-04-09 Westinghouse Electric Corp Adjustable multivibrator
US2976470A (en) * 1957-12-28 1961-03-21 Ancienne Manufacture D Horloge Horal instrument of high precision
FR1245456A (fr) * 1959-01-26 1960-11-04 Thomson Houston Comp Francaise Perfectionnements aux oscillateurs harmoniques stabilisés
US3360746A (en) * 1963-11-19 1967-12-26 Datacom Inc Crystal controlled frequency modulated oscillator
FR1443221A (fr) * 1964-04-29 1966-06-24 Thomson Houston Comp Francaise Perfectionnements aux circuits de compensation de température
DE1299072B (de) * 1965-02-06 1969-07-10 Seikosha Kk Temperaturkompensierter Kondensator, insbesondere fuer einen Quarzoszillator
DE1673776A1 (de) * 1967-04-19 1971-02-25 Siemens Ag Schaltungsanordnung zur kontaktlosen Steuerung eines mechanischen Schwingers
US3564837A (en) * 1969-02-05 1971-02-23 Timex Corp Frequency divider for an electronic watch
US3664118A (en) * 1970-09-09 1972-05-23 Hamilton Watch Co Electronically controlled timepiece using low power mos transistor circuitry

Also Published As

Publication number Publication date
AU6118773A (en) 1975-04-10
NL7313801A (xx) 1974-04-16
AU476377B2 (en) 1976-09-16
FR2203220B1 (xx) 1979-05-04
DE2349749B2 (de) 1980-04-24
IT994400B (it) 1975-10-20
JPS541356U (xx) 1979-01-06
DE2349749A1 (de) 1974-05-02
GB1429257A (en) 1976-03-24
HK76576A (en) 1976-12-17
FR2203220A1 (xx) 1974-05-10
BE806031A (fr) 1974-02-01
JPS4974866A (xx) 1974-07-19
US3803828A (en) 1974-04-16

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