Title:
PIEZO-OSCILLATOR
Document Type and Number:
WIPO Patent Application WO/1999/037018
Kind Code:
A1
Abstract:
A piezo-oscillator reduced in current consumption and size, comprising a crystal oscillator as a piezoelectric vibrator, an oscillation circuit, a plurality of surface mounted heaters, and a temperature control circuit for controlling the heating temperatures of the heaters, all mounted on a printed circuit board, wherein the case and lead terminals of the piezoelectric vibrator are simultaneously heated respectively by separate heaters so that the piezoelectric vibrator, the oscillation circuit and the temperature control circuit can be heated at the same time.
Inventors:
SATOH TOMIO (JP)
ABE TETSUYA (JP)
ABE TETSUYA (JP)
Application Number:
PCT/JP1999/000128
Publication Date:
July 22, 1999
Filing Date:
January 18, 1999
Export Citation:
Assignee:
TOYO COMMUNICATION EQUIP (JP)
SATOH TOMIO (JP)
ABE TETSUYA (JP)
SATOH TOMIO (JP)
ABE TETSUYA (JP)
International Classes:
H03B5/32; H03L1/04; H05K1/02; (IPC1-7): H03B5/32
Foreign References:
| JPS5020831B1 | 1975-07-17 | |||
| JPS56117404A | 1981-09-14 | |||
| JPH01146618U | 1989-10-09 | |||
| JPH08237031A | 1996-09-13 |
Other References:
See also references of EP 0969591A4
Attorney, Agent or Firm:
Suzuki, Hitoshi (Nakano Nakano-ku Tokyo, JP)
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