JPS5420689A - Crystal vibrator - Google Patents

Crystal vibrator

Info

Publication number
JPS5420689A
JPS5420689A JP8533877A JP8533877A JPS5420689A JP S5420689 A JPS5420689 A JP S5420689A JP 8533877 A JP8533877 A JP 8533877A JP 8533877 A JP8533877 A JP 8533877A JP S5420689 A JPS5420689 A JP S5420689A
Authority
JP
Japan
Prior art keywords
vibrator
reeds
end parts
crystal vibrator
wall
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
JP8533877A
Other languages
Japanese (ja)
Inventor
Tamotsu Koyama
Yoshiharu Kuroda
Nobuyoshi Mizota
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.)
NIKKO DENSHI KK
Sharp Corp
Original Assignee
NIKKO DENSHI KK
Sharp 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 NIKKO DENSHI KK, Sharp Corp filed Critical NIKKO DENSHI KK
Priority to JP8533877A priority Critical patent/JPS5420689A/en
Publication of JPS5420689A publication Critical patent/JPS5420689A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H3/00—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators
    • H03H3/007—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators for the manufacture of electromechanical resonators or networks
    • H03H3/02—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators for the manufacture of electromechanical resonators or networks for the manufacture of piezoelectric or electrostrictive resonators or networks
    • H03H3/04—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators for the manufacture of electromechanical resonators or networks for the manufacture of piezoelectric or electrostrictive resonators or networks for obtaining desired frequency or temperature coefficient

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)

Abstract

PURPOSE:To facilitate frequency accuracy adjustment and stabilize aging characteristics by providing small holes for the end parts of vibrator reeds in the wall of a hermetic case containing a tuning fork type crystal vibrator and depositing frequency adjusting mass to the end parts of the vibrator reeds through these.
JP8533877A 1977-07-15 1977-07-15 Crystal vibrator Pending JPS5420689A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8533877A JPS5420689A (en) 1977-07-15 1977-07-15 Crystal vibrator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8533877A JPS5420689A (en) 1977-07-15 1977-07-15 Crystal vibrator

Publications (1)

Publication Number Publication Date
JPS5420689A true JPS5420689A (en) 1979-02-16

Family

ID=13855846

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8533877A Pending JPS5420689A (en) 1977-07-15 1977-07-15 Crystal vibrator

Country Status (1)

Country Link
JP (1) JPS5420689A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2572305A1 (en) * 1984-11-01 1986-05-02 Honda Motor Co Ltd Air purifier equipped with a cyclone-type prepurifier
JPS63166307A (en) * 1986-12-27 1988-07-09 Tokyo Denpa Kk Manufacture of crystal vibrator
US4813385A (en) * 1984-11-01 1989-03-21 Honda Giken Kogyo Kabushiki Kaisha General-purpose internal combustion engine
EP0535219A1 (en) * 1991-04-22 1993-04-07 Motorola, Inc. Surface mountable piezoelectric device with in situ finish plate mask
US6960870B2 (en) 1997-07-29 2005-11-01 Seiko Epson Corporation Piezo-electric resonator and manufacturing method thereof
US6976295B2 (en) 1997-07-29 2005-12-20 Seiko Epson Corporation Method of manufacturing a piezoelectric device

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2572305A1 (en) * 1984-11-01 1986-05-02 Honda Motor Co Ltd Air purifier equipped with a cyclone-type prepurifier
US4813385A (en) * 1984-11-01 1989-03-21 Honda Giken Kogyo Kabushiki Kaisha General-purpose internal combustion engine
JPS63166307A (en) * 1986-12-27 1988-07-09 Tokyo Denpa Kk Manufacture of crystal vibrator
EP0535219A1 (en) * 1991-04-22 1993-04-07 Motorola, Inc. Surface mountable piezoelectric device with in situ finish plate mask
US6960870B2 (en) 1997-07-29 2005-11-01 Seiko Epson Corporation Piezo-electric resonator and manufacturing method thereof
US6976295B2 (en) 1997-07-29 2005-12-20 Seiko Epson Corporation Method of manufacturing a piezoelectric device

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