CH952774A4 - - Google Patents

Info

Publication number
CH952774A4
CH952774A4 CH952774D CH952774D CH952774A4 CH 952774 A4 CH952774 A4 CH 952774A4 CH 952774 D CH952774 D CH 952774D CH 952774 D CH952774 D CH 952774D CH 952774 A4 CH952774 A4 CH 952774A4
Authority
CH
Switzerland
Application number
CH952774D
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 CH952774A4 publication Critical patent/CH952774A4/xx

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)
  • 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)
  • Electric Clocks (AREA)
CH952774D 1973-07-10 1974-07-10 CH952774A4 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7773773A JPS5334875B2 (ja) 1973-07-10 1973-07-10

Publications (1)

Publication Number Publication Date
CH952774A4 true CH952774A4 (ja) 1977-08-15

Family

ID=13642206

Family Applications (3)

Application Number Title Priority Date Filing Date
CH952774A CH612820B5 (en) 1973-07-10 1974-07-10 Time standard for timepiece
CH952774D CH952774A4 (ja) 1973-07-10 1974-07-10
CH1095377A CH617794A5 (en) 1973-07-10 1977-09-07 Quartz crystal vibrator

Family Applications Before (1)

Application Number Title Priority Date Filing Date
CH952774A CH612820B5 (en) 1973-07-10 1974-07-10 Time standard for timepiece

Family Applications After (1)

Application Number Title Priority Date Filing Date
CH1095377A CH617794A5 (en) 1973-07-10 1977-09-07 Quartz crystal vibrator

Country Status (5)

Country Link
JP (1) JPS5334875B2 (ja)
CH (3) CH612820B5 (ja)
GB (1) GB1444504A (ja)
HK (1) HK52978A (ja)
MY (1) MY7800425A (ja)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5162775U (ja) * 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
JPS5323589A (en) * 1976-08-18 1978-03-04 Seiko Epson Corp Crystal vibrator
JPS5851687B2 (ja) * 1976-10-22 1983-11-17 セイコーインスツルメンツ株式会社 音叉型水晶振動子
JPS5414176U (ja) * 1977-06-01 1979-01-30
GB2125211A (en) * 1982-08-03 1984-02-29 Standard Telephones Cables Ltd Mechanical support of piezoelectric devices
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
GB2202989B (en) * 1987-04-02 1991-01-09 Stc Plc Crystal resonnator
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
EP2352227B1 (en) * 2008-09-26 2019-08-14 Daishinku Corporation Tuning-fork-type piezoelectric vibrating piece and tuning-fork-type piezoelectric vibrating device

Family Cites Families (3)

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

Also Published As

Publication number Publication date
JPS5334875B2 (ja) 1978-09-22
JPS5027492A (ja) 1975-03-20
CH617794A5 (en) 1980-06-13
GB1444504A (en) 1976-08-04
HK52978A (en) 1978-09-22
CH612820B5 (en) 1979-08-31
MY7800425A (en) 1978-12-31

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