CH607450A5 - - Google Patents

Info

Publication number
CH607450A5
CH607450A5 CH23177A CH23177A CH607450A5 CH 607450 A5 CH607450 A5 CH 607450A5 CH 23177 A CH23177 A CH 23177A CH 23177 A CH23177 A CH 23177A CH 607450 A5 CH607450 A5 CH 607450A5
Authority
CH
Switzerland
Application number
CH23177A
Inventor
Alphonse E Zumsteg
Jean Engdahl
Raymond Huguenin
Original Assignee
Suisse Horlogerie
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 Suisse Horlogerie filed Critical Suisse Horlogerie
Publication of CH607450A5 publication Critical patent/CH607450A5/xx

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
    • H03H9/15—Constructional features of resonators consisting of piezoelectric or electrostrictive material
    • H03H9/17—Constructional features of resonators consisting of piezoelectric or electrostrictive material having a single resonator
    • H03H9/19—Constructional features of resonators consisting of piezoelectric or electrostrictive material having a single resonator consisting of quartz
    • 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
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
    • H03H9/02—Details
    • H03H9/02007—Details of bulk acoustic wave devices
    • H03H9/02062—Details relating to the vibration mode
    • H03H9/0207—Details relating to the vibration mode the vibration mode being harmonic
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
    • H03H9/02—Details
    • H03H9/02007—Details of bulk acoustic wave devices
    • H03H9/02157—Dimensional parameters, e.g. ratio between two dimension parameters, length, width or thickness

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • General Physics & Mathematics (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
CH23177A 1976-01-20 1977-01-10 CH607450A5 (is")

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/650,643 US4071797A (en) 1976-01-20 1976-01-20 Quartz piezo-electric element vibrating in a coupled mode

Publications (1)

Publication Number Publication Date
CH607450A5 true CH607450A5 (is") 1978-12-15

Family

ID=24609713

Family Applications (1)

Application Number Title Priority Date Filing Date
CH23177A CH607450A5 (is") 1976-01-20 1977-01-10

Country Status (6)

Country Link
US (1) US4071797A (is")
JP (1) JPS5290289A (is")
CH (1) CH607450A5 (is")
DE (1) DE2701416C3 (is")
FR (1) FR2339197A1 (is")
GB (1) GB1572810A (is")

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2417886A1 (fr) * 1978-02-16 1979-09-14 Suisse Horlogerie Resonateur piezoelectrique
FR2440115A1 (fr) * 1978-10-24 1980-05-23 Philips Nv Resonateur piezoelectrique
EP0017103A1 (en) * 1979-03-27 1980-10-15 Dryan-Fordahl Technologies S.A. Coupled mode piezo-electric resonator

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4167686A (en) * 1973-12-21 1979-09-11 Hitohiro Fukuyo Miniaturized at-cut piezoelectric crystal resonator
US4076987A (en) * 1976-12-10 1978-02-28 Societe Suisse Pour L'industrie Horlogere Management Services S.A. Multiple resonator or filter vibrating in a coupled mode
GB1592010A (en) * 1977-01-12 1981-07-01 Suwa Seikosha Kk Contour vibrator
JPS5530286A (en) * 1978-08-25 1980-03-04 Seiko Instr & Electronics Ltd Thickness sliding flection crystal vibrator
JPS5530284A (en) * 1978-08-25 1980-03-04 Seiko Instr & Electronics Ltd Thickness sliding flection crystal vibrator
JPS5546633A (en) * 1978-09-28 1980-04-01 Seiko Instr & Electronics Ltd Thickness-sliding inflection crystal vibrator
US4320320A (en) * 1978-12-01 1982-03-16 Kabushiki Kaisha Suwa Seikosha Coupled mode tuning fork type quartz crystal vibrator
JPS5577222A (en) * 1978-12-06 1980-06-10 Seiko Epson Corp Tuning-fork type vibrator
CH621680B (de) * 1979-05-22 Suisse Horlogerie Oszillator mit temperaturkompensation.
CH626500B (de) 1980-01-10 Suisse Horlogerie Oszillator mit digitaler temperaturkompensation.
NL8000297A (nl) * 1980-01-17 1981-08-17 Philips Nv Piezoelektrische triller.
GB2124021A (en) * 1982-07-16 1984-02-08 Philips Electronic Associated Piezo-electric resonator or filter
US4525647A (en) * 1983-12-02 1985-06-25 Motorola, Inc. Dual frequency, dual mode quartz resonator
JPS60214618A (ja) * 1984-04-10 1985-10-26 Nippon Dempa Kogyo Co Ltd 水晶振動子
JPH0520015Y2 (is") * 1985-08-12 1993-05-26
JPS6236344Y2 (is") * 1986-05-29 1987-09-16
US6469423B2 (en) * 1993-10-18 2002-10-22 Seiko Epson Corporation Rectangular at-cut quartz element, quartz resonator, quartz resonator unit and quartz oscillator, and method of producing quartz element
DE60042916D1 (de) * 2000-01-10 2009-10-22 Eta Sa Mft Horlogere Suisse Vorrichtung um ein Signal zu erzeugen,dessen Frequenz wesentlich Temperatur unabhängig ist

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2218200A (en) * 1934-06-02 1940-10-15 Bell Telephone Labor Inc Piezoelectric apparatus
US2306909A (en) * 1939-06-09 1942-12-29 Bell Telephone Labor Inc Piezoelectric crystal apparatus
US2321358A (en) * 1941-06-30 1943-06-08 Rca Corp Art of mounting piezoelectric crystals
US2574257A (en) * 1947-01-11 1951-11-06 Cambridge Thermionic Corp Method for manufacturing piezoelectric crystals free of conflicting modes of vibration

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2417886A1 (fr) * 1978-02-16 1979-09-14 Suisse Horlogerie Resonateur piezoelectrique
FR2440115A1 (fr) * 1978-10-24 1980-05-23 Philips Nv Resonateur piezoelectrique
EP0017103A1 (en) * 1979-03-27 1980-10-15 Dryan-Fordahl Technologies S.A. Coupled mode piezo-electric resonator

Also Published As

Publication number Publication date
FR2339197B1 (is") 1981-11-20
GB1572810A (en) 1980-08-06
FR2339197A1 (fr) 1977-08-19
DE2701416B2 (de) 1979-05-31
US4071797A (en) 1978-01-31
JPS5290289A (en) 1977-07-29
DE2701416A1 (de) 1977-07-28
DE2701416C3 (de) 1980-01-31

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Legal Events

Date Code Title Description
PUE Assignment

Owner name: DRYAN-FORDAHL TECHNOLOGIES S.A.

PUE Assignment

Owner name: VIBRO-METER S.A.

PL Patent ceased
PL Patent ceased