Temperature compensation by positioning of plural piezoelectric

Details Temperature compensation by positioning of plural piezoelectric Temperature compensation by positioning of plural piezoelectric

1978-08-11

1980-08-26

Jackmon, Edith S.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

310342, 310348, 331162, 368159, G04C 300, H03B 532, H01L 4104

Patent

active

042197546

ABSTRACT:
In an electronic wristwatch having a watch body an a plurality of electronic vibrators having frequency-position characteristics, the frequency-temperature characteristic of the standard signal generated thereby is improved by positioning the vibrators in the watch body so that at least one vibrator has a different frequency-position characteristic than the other vibrators to compensate for any frequency deviation thereof due to the orientation of the watch body.

REFERENCES:
patent: 3978650 (1976-09-01), Hashimoto et al.

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