CH554552A - - Google Patents

Info

Publication number
CH554552A
CH554552A CH1273968A CH1273968A CH554552A CH 554552 A CH554552 A CH 554552A CH 1273968 A CH1273968 A CH 1273968A CH 1273968 A CH1273968 A CH 1273968A CH 554552 A CH554552 A CH 554552A
Authority
CH
Switzerland
Application number
CH1273968A
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 CH554552A publication Critical patent/CH554552A/xx

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C3/00—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means
    • G04C3/08—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means wherein movement is regulated by a mechanical oscillator other than a pendulum or balance, e.g. by a tuning fork, e.g. electrostatically
    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C3/00—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means
    • G04C3/08—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means wherein movement is regulated by a mechanical oscillator other than a pendulum or balance, e.g. by a tuning fork, e.g. electrostatically
    • G04C3/12—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means wherein movement is regulated by a mechanical oscillator other than a pendulum or balance, e.g. by a tuning fork, e.g. electrostatically driven by piezoelectric means; driven by magneto-strictive means
    • 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
    • H03B5/323—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator being a piezoelectric resonator the resonator having more than two terminals
    • 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
    • H03H9/02—Details
    • H03H9/125—Driving means, e.g. electrodes, coils
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
    • H03H9/24—Constructional features of resonators of material which is not piezoelectric, electrostrictive, or magnetostrictive
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
    • H03H9/46—Filters
    • H03H9/48—Coupling means therefor

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • General Physics & Mathematics (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
CH1273968A 1967-08-24 1968-08-24 CH554552A (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP5438767 1967-08-24
JP5438867 1967-08-24
JP5438967 1967-08-24
JP5439067 1967-08-24
US8730570A 1970-11-05 1970-11-05

Publications (1)

Publication Number Publication Date
CH554552A true CH554552A (en) 1974-09-30

Family

ID=27523157

Family Applications (3)

Application Number Title Priority Date Filing Date
CH1273968A CH554552A (en) 1967-08-24 1968-08-24
CH1273968D CH1273968A4 (en) 1967-08-24 1968-08-24
CH426969A CH511067A (en) 1967-08-24 1968-08-24 Mechanical transducer and use of the same

Family Applications After (2)

Application Number Title Priority Date Filing Date
CH1273968D CH1273968A4 (en) 1967-08-24 1968-08-24
CH426969A CH511067A (en) 1967-08-24 1968-08-24 Mechanical transducer and use of the same

Country Status (5)

Country Link
US (2) US3710275A (en)
CH (3) CH554552A (en)
DE (1) DE1797167B2 (en)
FR (1) FR1577131A (en)
GB (1) GB1229871A (en)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH571291A5 (en) * 1972-06-12 1975-12-31 Elresor Sa
JPS5517545Y2 (en) * 1974-08-29 1980-04-23
US4092597A (en) * 1976-08-10 1978-05-30 International Telephone & Telegraph Corporation Confirmation circuit for a two-way communication system
JPS5538785A (en) * 1978-09-12 1980-03-18 Murata Mfg Co Ltd Voltage tuning fork
FR2451131A1 (en) * 1979-03-08 1980-10-03 Comp Generale Electricite LOW FREQUENCY RESONANT COMPOSITE PIEZOELECTRIC DEVICE
JPS54131486U (en) * 1979-03-20 1979-09-12
US4372173A (en) * 1980-10-20 1983-02-08 Quartex, Inc. Resonator force transducer
US4531073A (en) * 1983-05-31 1985-07-23 Ohaus Scale Corporation Piezoelectric crystal resonator with reduced impedance and sensitivity to change in humidity
US4706259A (en) * 1985-12-30 1987-11-10 Sundstrand Data Control, Inc. Mounting and isolation system for tuning fork temperature sensor
US4688005A (en) * 1986-04-01 1987-08-18 Avantek, Inc. Self-oscillating mixer with Darlington transistors
US5243292A (en) * 1991-10-07 1993-09-07 Xerox Corporation Electrostatic measuring tuning fork and means for limiting mechanical amplitude thereof
US5377574A (en) * 1992-06-19 1995-01-03 Lempke; Michael C. Metallic voicing element for mouth organs
US6494079B1 (en) * 2001-03-07 2002-12-17 Symyx Technologies, Inc. Method and apparatus for characterizing materials by using a mechanical resonator
JP4539810B2 (en) * 2001-04-23 2010-09-08 有限会社トレナージュ アカデミー Tuning fork type treatment device
US7302830B2 (en) 2001-06-06 2007-12-04 Symyx Technologies, Inc. Flow detectors having mechanical oscillators, and use thereof in flow characterization systems
US20080163689A1 (en) * 2001-08-28 2008-07-10 Sensorchem International Corporation Electromagnetic piezoelectric acoustic sensor
JP3791485B2 (en) * 2002-06-04 2006-06-28 株式会社村田製作所 Tuning fork vibrator, vibration gyro using the same, electronic device using the same, and method for manufacturing tuning fork vibrator
WO2004036207A2 (en) * 2002-10-18 2004-04-29 Symyx Technologies, Inc. Environmental control system fluid sensing system and method comprising a sesnsor with a mechanical resonator
US7043969B2 (en) * 2002-10-18 2006-05-16 Symyx Technologies, Inc. Machine fluid sensor and method
US7721590B2 (en) * 2003-03-21 2010-05-25 MEAS France Resonator sensor assembly
WO2004086027A2 (en) * 2003-03-21 2004-10-07 Symyx Technologies, Inc. Mechanical resonator
WO2004086002A1 (en) * 2003-03-21 2004-10-07 Symyx Technologies, Inc. Resonator sensor assembly
US7319372B2 (en) * 2005-07-15 2008-01-15 Board Of Trustees Of The Leland Standford Junior University In-plane mechanically coupled microelectromechanical tuning fork resonators
US20150042409A1 (en) * 2013-08-06 2015-02-12 Earl J. Brown System for continuously oscillating a cantilevered beam
JP2021005783A (en) * 2019-06-26 2021-01-14 セイコーエプソン株式会社 Vibrating piece, electronic device, and moving object

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3024429A (en) * 1953-05-29 1962-03-06 Philco Corp Electromechanical reed system
US2942205A (en) * 1955-03-31 1960-06-21 Clarence H Mcshan Electromechanical transducer apparatus and systems embodying the same
US3007111A (en) * 1957-10-21 1961-10-31 J B T Instr Inc Vibrating reed comb assembly
US3361994A (en) * 1963-08-23 1968-01-02 Kokusai Electric Co Ltd Compact tuning fork resonator
US3462939A (en) * 1965-02-12 1969-08-26 Tokei Kk Mechanical vibrator for timepiece
US3269249A (en) * 1965-03-26 1966-08-30 Melpar Inc Sheet metal tuning fork
DE1253750B (en) * 1966-03-24 1967-11-09 United States Time Corp Vibration-compensated mechanical oscillator for frequency standards
US3522554A (en) * 1967-08-05 1970-08-04 Yazaki Corp Electromagnetically driven oscillator
US3517230A (en) * 1968-08-16 1970-06-23 Melpar Inc Integral reed tuning fork

Also Published As

Publication number Publication date
CH511067A (en) 1971-08-15
CH1273968A4 (en) 1974-02-28
DE1797167A1 (en) 1971-12-30
US3659230A (en) 1972-04-25
US3710275A (en) 1973-01-09
FR1577131A (en) 1969-08-01
GB1229871A (en) 1971-04-28
DE1797167B2 (en) 1972-09-28

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