JPS647689B2 - - Google Patents

Info

Publication number
JPS647689B2
JPS647689B2 JP14482780A JP14482780A JPS647689B2 JP S647689 B2 JPS647689 B2 JP S647689B2 JP 14482780 A JP14482780 A JP 14482780A JP 14482780 A JP14482780 A JP 14482780A JP S647689 B2 JPS647689 B2 JP S647689B2
Authority
JP
Japan
Prior art keywords
tuning fork
electrode
metal film
frequency
adjustment
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
JP14482780A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5768924A (en
Inventor
Shigeru Kogure
Eiji Momozaki
Minoru Inoe
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 Epson Corp
Original Assignee
Seiko Epson Corp
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 Seiko Epson Corp filed Critical Seiko Epson Corp
Priority to JP14482780A priority Critical patent/JPS5768924A/ja
Priority to FR8103611A priority patent/FR2477803A1/fr
Priority to GB8106490A priority patent/GB2072943B/en
Priority to US06/240,045 priority patent/US4377765A/en
Priority to DE3108166A priority patent/DE3108166C2/de
Priority to CH145181A priority patent/CH645509GA3/fr
Publication of JPS5768924A publication Critical patent/JPS5768924A/ja
Publication of JPS647689B2 publication Critical patent/JPS647689B2/ja
Granted 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
    • H03H9/215—Crystal tuning forks consisting of quartz

Landscapes

  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
JP14482780A 1980-03-04 1980-10-16 Coupling turning fork quartz oscillator Granted JPS5768924A (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP14482780A JPS5768924A (en) 1980-10-16 1980-10-16 Coupling turning fork quartz oscillator
FR8103611A FR2477803A1 (fr) 1980-03-04 1981-02-24 Resonateur a quartz du type diapason a couplage de modes
GB8106490A GB2072943B (en) 1980-03-04 1981-03-02 Piezo-electric crystal vibrator
US06/240,045 US4377765A (en) 1980-03-04 1981-03-03 Mode coupled tuning fork type quartz crystal vibrator and method of tuning
DE3108166A DE3108166C2 (de) 1980-03-04 1981-03-04 Stimmgabelquarzkristallschwinger mit Schwingungskopplung
CH145181A CH645509GA3 (OSRAM) 1980-03-04 1981-03-04

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14482780A JPS5768924A (en) 1980-10-16 1980-10-16 Coupling turning fork quartz oscillator

Publications (2)

Publication Number Publication Date
JPS5768924A JPS5768924A (en) 1982-04-27
JPS647689B2 true JPS647689B2 (OSRAM) 1989-02-09

Family

ID=15371367

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14482780A Granted JPS5768924A (en) 1980-03-04 1980-10-16 Coupling turning fork quartz oscillator

Country Status (1)

Country Link
JP (1) JPS5768924A (OSRAM)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018008386A1 (ja) 2016-07-05 2018-01-11 日東化成株式会社 ポリエステル重合用触媒、ポリエステル樹脂の製造方法

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60136406A (ja) * 1983-12-24 1985-07-19 Matsushima Kogyo Co Ltd 結合音叉型水晶振動子の調整方法
US4929860A (en) * 1988-05-17 1990-05-29 Sundstrand Data Control, Inc. Electrode configuration for vibrating beam transducers
JP4885206B2 (ja) * 2008-12-22 2012-02-29 日本電波工業株式会社 音叉型圧電振動片および圧電デバイス

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018008386A1 (ja) 2016-07-05 2018-01-11 日東化成株式会社 ポリエステル重合用触媒、ポリエステル樹脂の製造方法

Also Published As

Publication number Publication date
JPS5768924A (en) 1982-04-27

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