CH597640A - - Google Patents

Info

Publication number
CH597640A
CH597640A CH1191974A CH1191974A CH597640A CH 597640 A CH597640 A CH 597640A CH 1191974 A CH1191974 A CH 1191974A CH 1191974 A CH1191974 A CH 1191974A CH 597640 A CH597640 A CH 597640A
Authority
CH
Switzerland
Application number
CH1191974A
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 filed Critical
Publication of CH597640A publication Critical patent/CH597640A/xx

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
    • G04F5/063—Constructional details
    • 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
    • H03K3/02—Generators characterised by the type of circuit or by the means used for producing pulses
    • H03K3/027—Generators characterised by the type of circuit or by the means used for producing pulses by the use of logic circuits, with internal or external positive feedback
    • H03K3/03—Astable circuits
    • H03K3/0307—Stabilisation of output, e.g. using crystal
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00—Printed circuits
    • H05K1/18—Printed circuits structurally associated with non-printed electric components

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Oscillators With Electromechanical Resonators (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
CH1191974A 1973-08-31 1974-09-02 CH597640A (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1973102221U JPS5048555U (sv) 1973-08-31 1973-08-31

Publications (1)

Publication Number Publication Date
CH597640A true CH597640A (sv) 1978-04-14

Family

ID=14321598

Family Applications (2)

Application Number Title Priority Date Filing Date
CH1191974A CH597640A (sv) 1973-08-31 1974-09-02
CH1191974D CH1191974A4 (sv) 1973-08-31 1974-09-02

Family Applications After (1)

Application Number Title Priority Date Filing Date
CH1191974D CH1191974A4 (sv) 1973-08-31 1974-09-02

Country Status (5)

Country Link
US (1) US3973148A (sv)
JP (1) JPS5048555U (sv)
CH (2) CH597640A (sv)
DE (1) DE2438559A1 (sv)
FR (1) FR2242808B1 (sv)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3404298A (en) * 1966-08-19 1968-10-01 Kenton Engineering Corp Thermally sensitive compensating device
GB1194949A (en) * 1968-01-31 1970-06-17 Citizen Watch Co Ltd Method of Temperature Compensating Oscillation Circuit for Timepiece and Device Therefor
US3791133A (en) * 1972-06-22 1974-02-12 Citizen Watch Co Ltd Crystal oscillator type small timepiece
US3803828A (en) * 1972-10-12 1974-04-16 Timex Corp Resistor trim for quartz oscillator
US3842585A (en) * 1973-05-22 1974-10-22 Benrus Corp Watch

Also Published As

Publication number Publication date
FR2242808B1 (sv) 1976-10-22
DE2438559A1 (de) 1975-03-13
JPS5048555U (sv) 1975-05-13
FR2242808A1 (sv) 1975-03-28
CH1191974A4 (sv) 1977-06-30
US3973148A (en) 1976-08-03

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