Analog-digital conversion circuit apparatus connectable to a mic

Details Analog-digital conversion circuit apparatus connectable to a mic Analog-digital conversion circuit apparatus connectable to a mic

1985-04-16

1986-11-18

Levy, Stewart J.

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

Plural inputs

324119, 364483, G01R 2106

Patent

active

046238387

ABSTRACT:
An analog-digital conversion circuit apparatus connectable to a microcomputer for measuring electric voltage and current of a vibrator of an ultrasonic wave oscillator is disclosed. An analog high-frequency wave voltage value signal and an analog high-frequency wave current value signal acquired from a vibration system are alternately input to a conversion-transmission section. A digital high-frequency wave voltage value signal and a digital high-frequency wave current value signal, which have been converted in the conversion-transmission section, are transmitted to the microcomputer for various uses connected with the electric voltage and current of the vibrator of the ultrasonic wave oscillator.

REFERENCES:
patent: 3764908 (1973-10-01), Elms
patent: 4106095 (1978-08-01), Yarbrough
patent: 4156187 (1979-05-01), Murray et al.
patent: 4240149 (1980-12-01), Fletcher et al.

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