JPS52120694A - Electronic clock - Google Patents

Electronic clock

Info

Publication number
JPS52120694A
JPS52120694A JP3754476A JP3754476A JPS52120694A JP S52120694 A JPS52120694 A JP S52120694A JP 3754476 A JP3754476 A JP 3754476A JP 3754476 A JP3754476 A JP 3754476A JP S52120694 A JPS52120694 A JP S52120694A
Authority
JP
Japan
Prior art keywords
electronic clock
vibrator
smallsized
piezoelectricity
facilitates
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.)
Pending
Application number
JP3754476A
Other languages
Japanese (ja)
Inventor
Katsuhiro Teraishi
Kunihiro Inoue
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
Suwa Seikosha KK
Original Assignee
Seiko Epson Corp
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 Seiko Epson Corp, Suwa Seikosha KK filed Critical Seiko Epson Corp
Priority to JP3754476A priority Critical patent/JPS52120694A/en
Publication of JPS52120694A publication Critical patent/JPS52120694A/en
Pending 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Electric Clocks (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)

Abstract

PURPOSE:To obtain the vibrator for the electronic clock use, which is very smallsized and facilitates the adjustment, by using the fixed material having piezoelectricity, and also processing the vibrator shape by the etching process technique.
JP3754476A 1976-04-02 1976-04-02 Electronic clock Pending JPS52120694A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3754476A JPS52120694A (en) 1976-04-02 1976-04-02 Electronic clock

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3754476A JPS52120694A (en) 1976-04-02 1976-04-02 Electronic clock

Publications (1)

Publication Number Publication Date
JPS52120694A true JPS52120694A (en) 1977-10-11

Family

ID=12500459

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3754476A Pending JPS52120694A (en) 1976-04-02 1976-04-02 Electronic clock

Country Status (1)

Country Link
JP (1) JPS52120694A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2385259A1 (en) * 1977-03-22 1978-10-20 Seiko Instr & Electronics LITHIUM TANTALATE RESONATOR
JPH02161804A (en) * 1989-01-10 1990-06-21 Murata Mfg Co Ltd Piezoelectric tuning fork vibrator

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2385259A1 (en) * 1977-03-22 1978-10-20 Seiko Instr & Electronics LITHIUM TANTALATE RESONATOR
JPH02161804A (en) * 1989-01-10 1990-06-21 Murata Mfg Co Ltd Piezoelectric tuning fork vibrator

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