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FR2339991A1 - PIEZO-ELECTRIC CRYSTAL VIBRATOR OF THICKNESS SHEAR TYPE - Google Patents

PIEZO-ELECTRIC CRYSTAL VIBRATOR OF THICKNESS SHEAR TYPE

Info

Publication number
FR2339991A1
FR2339991A1FR7702413AFR7702413AFR2339991A1FR 2339991 A1FR2339991 A1FR 2339991A1FR 7702413 AFR7702413 AFR 7702413AFR 7702413 AFR7702413 AFR 7702413AFR 2339991 A1FR2339991 A1FR 2339991A1
Authority
FR
France
Prior art keywords
piezo
crystal vibrator
vibrating portion
electric crystal
shear type
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.)
Granted
Application number
FR7702413A
Other languages
French (fr)
Other versions
FR2339991B1 (en
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.)
Seiko Instruments Inc
Original Assignee
Seiko Instruments Inc
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
Priority claimed from JP867176Aexternal-prioritypatent/JPS5291685A/en
Priority claimed from JP863676Aexternal-prioritypatent/JPS5291673A/en
Priority claimed from JP2293776Aexternal-prioritypatent/JPS52106286A/en
Priority claimed from JP2482876Aexternal-prioritypatent/JPS52108785A/en
Application filed by Seiko Instruments IncfiledCriticalSeiko Instruments Inc
Publication of FR2339991A1publicationCriticalpatent/FR2339991A1/en
Application grantedgrantedCritical
Publication of FR2339991B1publicationCriticalpatent/FR2339991B1/fr
Grantedlegal-statusCriticalCurrent

Links

Classifications

Landscapes

Abstract

The piezoelectric crystal vibrator, operating by thickness shearing, comprises a vibrating portion (1) provided with a plurality of electrodes (A1, A2) and a support portion (3) formed jointly with this vibrating portion. The support portion is formed as a single body with the vibrating portion and it has the shape of a "haft" extending outwards, laterally, from the ends of the vibrating portion. This vibrator is of high accuracy in frequency, small bulk and can be manufactured easily. It applies in a particularly advantageous manner in an electronic watch in the guise of reference element of standard frequency.
FR7702413A1976-01-291977-01-28 PIEZO-ELECTRIC CRYSTAL VIBRATOR OF THICKNESS SHEAR TYPEGrantedFR2339991A1 (en)

Applications Claiming Priority (4)

Application NumberPriority DateFiling DateTitle
JP867176AJPS5291685A (en)1976-01-291976-01-29Thickness slide crystal vibrator
JP863676AJPS5291673A (en)1976-01-291976-01-29Thickness sliding vibrator
JP2293776AJPS52106286A (en)1976-03-031976-03-03Thickness shear crystal oscillator
JP2482876AJPS52108785A (en)1976-03-081976-03-08Piezo crystal vibrator for perpendicular slip

Publications (2)

Publication NumberPublication Date
FR2339991A1true FR2339991A1 (en)1977-08-26
FR2339991B1 FR2339991B1 (en)1982-09-03

Family

ID=27454990

Family Applications (1)

Application NumberTitlePriority DateFiling Date
FR7702413AGrantedFR2339991A1 (en)1976-01-291977-01-28 PIEZO-ELECTRIC CRYSTAL VIBRATOR OF THICKNESS SHEAR TYPE

Country Status (6)

CountryLink
CH (1)CH625388GA3 (en)
DE (1)DE2703335A1 (en)
FR (1)FR2339991A1 (en)
GB (1)GB1573815A (en)
HK (1)HK51382A (en)
SG (1)SG44582G (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication numberPriority datePublication dateAssigneeTitle
FR2441960A1 (en)*1978-11-161980-06-13Suisse Horlogerie PIEZOELECTRIC RESONATOR WORKING IN THICKNESS SHEAR
EP0098651A3 (en)*1982-07-011984-02-15N.V. Philips' GloeilampenfabriekenTemperature sensor

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication numberPriority datePublication dateAssigneeTitle
DE2847944A1 (en)*1978-11-041980-05-14Bosch Gmbh RobertPiezoelectric crystal resonator - with electrode positions and crystal shapes minimising second mode resonances by use of square crystal disc r mounted above base-plate

Citations (3)

* Cited by examiner, † Cited by third party
Publication numberPriority datePublication dateAssigneeTitle
DE706099C (en)*1934-12-111941-05-17Telefunken Gmbh Piezoelectric crystal
DE2246511A1 (en)*1971-09-221973-04-05Suwa Seikosha Kk CRYSTAL ROTARY SWIVEL
FR2186779A1 (en)*1972-05-301974-01-11Suisse Horlogerie

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication numberPriority datePublication dateAssigneeTitle
US2306909A (en)*1939-06-091942-12-29Bell Telephone Labor IncPiezoelectric crystal apparatus

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication numberPriority datePublication dateAssigneeTitle
DE706099C (en)*1934-12-111941-05-17Telefunken Gmbh Piezoelectric crystal
DE2246511A1 (en)*1971-09-221973-04-05Suwa Seikosha Kk CRYSTAL ROTARY SWIVEL
FR2186779A1 (en)*1972-05-301974-01-11Suisse Horlogerie

Cited By (2)

* Cited by examiner, † Cited by third party
Publication numberPriority datePublication dateAssigneeTitle
FR2441960A1 (en)*1978-11-161980-06-13Suisse Horlogerie PIEZOELECTRIC RESONATOR WORKING IN THICKNESS SHEAR
EP0098651A3 (en)*1982-07-011984-02-15N.V. Philips' GloeilampenfabriekenTemperature sensor

Also Published As

Publication numberPublication date
DE2703335A1 (en)1977-08-04
FR2339991B1 (en)1982-09-03
SG44582G (en)1983-02-25
DE2703335C2 (en)1990-03-01
GB1573815A (en)1980-08-28
HK51382A (en)1982-12-03
CH625388GA3 (en)1981-09-30
CH625388B (en)

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