GB1444504A - Quartz crystal vibrator - Google Patents

Quartz crystal vibrator

Info

Publication number
GB1444504A
GB1444504A GB2794674A GB2794674A GB1444504A GB 1444504 A GB1444504 A GB 1444504A GB 2794674 A GB2794674 A GB 2794674A GB 2794674 A GB2794674 A GB 2794674A GB 1444504 A GB1444504 A GB 1444504A
Authority
GB
United Kingdom
Prior art keywords
support member
electrodes
fork
degrees
areas
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.)
Expired
Application number
GB2794674A
Other languages
English (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.)
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 GB1444504A publication Critical patent/GB1444504A/en
Expired 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 devices; Electromechanical resonators
    • H03H9/15—Constructional features of resonators consisting of piezoelectric or electrostrictive material
    • H03H9/21—Crystal tuning forks
    • H03H9/215—Crystal tuning forks 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Acoustics & Sound (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
  • Electric Clocks (AREA)
GB2794674A 1973-07-10 1974-06-24 Quartz crystal vibrator Expired GB1444504A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7773773A JPS5334875B2 (US06294698-20010925-C00026.png) 1973-07-10 1973-07-10

Publications (1)

Publication Number Publication Date
GB1444504A true GB1444504A (en) 1976-08-04

Family

ID=13642206

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2794674A Expired GB1444504A (en) 1973-07-10 1974-06-24 Quartz crystal vibrator

Country Status (5)

Country Link
JP (1) JPS5334875B2 (US06294698-20010925-C00026.png)
CH (3) CH612820B5 (US06294698-20010925-C00026.png)
GB (1) GB1444504A (US06294698-20010925-C00026.png)
HK (1) HK52978A (US06294698-20010925-C00026.png)
MY (1) MY7800425A (US06294698-20010925-C00026.png)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2362532A1 (fr) * 1976-08-18 1978-03-17 Suwa Seikosha Kk Resonateur a quartz
FR2368801A1 (fr) * 1976-10-22 1978-05-19 Seiko Instr & Electronics Vibrateur a cristal de quartz
GB2125211A (en) * 1982-08-03 1984-02-29 Standard Telephones Cables Ltd Mechanical support of piezoelectric devices
GB2202989A (en) * 1987-04-02 1988-10-05 Stc Plc Crystal resonator
EP2352227A1 (en) * 2008-09-26 2011-08-03 Daishinku Corporation Tuning-fork-type piezoelectric vibrating piece and tuning-fork-type piezoelectric vibrating device

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5162775U (US06294698-20010925-C00026.png) * 1974-11-13 1976-05-18
JPS5227291A (en) * 1975-08-26 1977-03-01 Seiko Epson Corp Piezo-oscillator
JPS52135283A (en) * 1976-05-07 1977-11-12 Seiko Epson Corp Tuning fork type crystal resonator
JPS5414176U (US06294698-20010925-C00026.png) * 1977-06-01 1979-01-30
JPS59167108A (ja) * 1984-03-09 1984-09-20 Matsushita Electric Ind Co Ltd 圧電磁器フイルタ
JPS61193492A (ja) * 1985-02-21 1986-08-27 Mitsubishi Petrochem Co Ltd 圧電素子
JP3189231B2 (ja) * 1991-01-30 2001-07-16 株式会社村田製作所 正の抵抗温度特性を有する半導体磁器

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4516438Y1 (US06294698-20010925-C00026.png) * 1968-02-19 1970-07-08
US3697789A (en) * 1970-06-23 1972-10-10 Citizen Watch Co Ltd Mechanical oscillator
JPS49131088A (US06294698-20010925-C00026.png) * 1973-04-16 1974-12-16 Suwa Seikosha Kk

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2362532A1 (fr) * 1976-08-18 1978-03-17 Suwa Seikosha Kk Resonateur a quartz
FR2368801A1 (fr) * 1976-10-22 1978-05-19 Seiko Instr & Electronics Vibrateur a cristal de quartz
GB2125211A (en) * 1982-08-03 1984-02-29 Standard Telephones Cables Ltd Mechanical support of piezoelectric devices
GB2202989A (en) * 1987-04-02 1988-10-05 Stc Plc Crystal resonator
GB2202989B (en) * 1987-04-02 1991-01-09 Stc Plc Crystal resonnator
EP2352227A1 (en) * 2008-09-26 2011-08-03 Daishinku Corporation Tuning-fork-type piezoelectric vibrating piece and tuning-fork-type piezoelectric vibrating device
EP2352227A4 (en) * 2008-09-26 2014-04-16 Daishinku Corp DIAPASON TYPE PIEZOELECTRIC VIBRATION ELEMENT AND DIAPASON TYPE PIEZOELECTRIC DEVICE

Also Published As

Publication number Publication date
CH617794A5 (en) 1980-06-13
CH952774A4 (US06294698-20010925-C00026.png) 1977-08-15
HK52978A (en) 1978-09-22
CH612820B5 (en) 1979-08-31
MY7800425A (en) 1978-12-31
JPS5334875B2 (US06294698-20010925-C00026.png) 1978-09-22
JPS5027492A (US06294698-20010925-C00026.png) 1975-03-20

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19930624