PIEZOELECTRIC DEVICE, RADIO WATCH UTILIZING THE PIEZOELECTRIC DEVICE, MOBILE PHONE UTILIZING THE PIEZOELECTRIC DEVICE, AND ELECTRONIC DEVICE UTILIZING THE PIEZOELECTRIC DEVICE

PROBLEM TO BE SOLVED: To provide a piezoelectric device capable of singly coping with a plurality of kinds of frequencies and to provide a radio watch utilizing the piezoelectric device. SOLUTION: The piezoelectric device 30 has a package 36 wherein part of a piezoelectric vibrator chip is supported...

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Bibliographic Details
Main Author ENDO HIDEO
Format Patent
LanguageEnglish
Published 12.09.2003
Edition7
Subjects
BASIC ELECTRONIC CIRCUITRY
ELECTRICITY
ELECTRONIC TIME-PIECES
HOROLOGY
IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS
PHYSICS
RESONATORS
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Summary:PROBLEM TO BE SOLVED: To provide a piezoelectric device capable of singly coping with a plurality of kinds of frequencies and to provide a radio watch utilizing the piezoelectric device. SOLUTION: The piezoelectric device 30 has a package 36 wherein part of a piezoelectric vibrator chip is supported and fixed and contained inside, the package is sealed by a light transmitting cover 39, and a package inner space S contains a plurality of piezoelectric vibration chips 32, 62. COPYRIGHT: (C)2003,JPO
Bibliography:Application Number: JP20020050356