FR2443766A1 - Resonateur a quartz du type diapason - Google Patents

Resonateur a quartz du type diapason

Info

Publication number
FR2443766A1
FR2443766A1 FR7929877A FR7929877A FR2443766A1 FR 2443766 A1 FR2443766 A1 FR 2443766A1 FR 7929877 A FR7929877 A FR 7929877A FR 7929877 A FR7929877 A FR 7929877A FR 2443766 A1 FR2443766 A1 FR 2443766A1
Authority
FR
France
Prior art keywords
quartz resonator
type quartz
diapason
tuning fork
branches
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.)
Withdrawn
Application number
FR7929877A
Other languages
English (en)
French (fr)
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.)
Suwa Seikosha KK
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 FR2443766A1 publication Critical patent/FR2443766A1/fr
Withdrawn legal-status Critical Current

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
    • H03H9/21—Crystal tuning forks
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Acoustics & Sound (AREA)
  • General Physics & Mathematics (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
FR7929877A 1978-12-06 1979-12-05 Resonateur a quartz du type diapason Withdrawn FR2443766A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15142878A JPS5577222A (en) 1978-12-06 1978-12-06 Tuning-fork type vibrator

Publications (1)

Publication Number Publication Date
FR2443766A1 true FR2443766A1 (fr) 1980-07-04

Family

ID=15518395

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7929877A Withdrawn FR2443766A1 (fr) 1978-12-06 1979-12-05 Resonateur a quartz du type diapason

Country Status (4)

Country Link
JP (1) JPS5577222A (enrdf_load_stackoverflow)
DE (1) DE2948567A1 (enrdf_load_stackoverflow)
FR (1) FR2443766A1 (enrdf_load_stackoverflow)
GB (1) GB2042797A (enrdf_load_stackoverflow)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4658175A (en) * 1986-03-26 1987-04-14 The Singer Company-Kearfott Division Vibrating beam force transducer with A-frame beam root and frequency adjusting means
JPS63280507A (ja) * 1987-05-12 1988-11-17 Seiko Electronic Components Ltd 結合水晶振動子
US5187458A (en) * 1989-09-21 1993-02-16 Nihon Musen Kabushiki Kaisha Composite longitudinal vibration mechanical filter having central frequency deviation elimination means and method of manufacturing same

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2339197A1 (fr) * 1976-01-20 1977-08-19 Suisse Horlogerie Element resonateur piezoelectrique a quartz vibrant dans un mode couple
FR2368801A1 (fr) * 1976-10-22 1978-05-19 Seiko Instr & Electronics Vibrateur a cristal de quartz

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2339197A1 (fr) * 1976-01-20 1977-08-19 Suisse Horlogerie Element resonateur piezoelectrique a quartz vibrant dans un mode couple
FR2368801A1 (fr) * 1976-10-22 1978-05-19 Seiko Instr & Electronics Vibrateur a cristal de quartz

Also Published As

Publication number Publication date
JPS6217405B2 (enrdf_load_stackoverflow) 1987-04-17
JPS5577222A (en) 1980-06-10
DE2948567A1 (de) 1980-06-26
GB2042797A (en) 1980-09-24

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Legal Events

Date Code Title Description
ST Notification of lapse