Temperature measuring device and thermal head device having the

Details Temperature measuring device and thermal head device having the Temperature measuring device and thermal head device having the

1989-06-08

1991-09-10

Yasich, Daniel M.

Thermal measuring and testing

Temperature measurement

By electrical or magnetic heat sensor

219216, 307310, 346 76PH, G01D 1510, G01D 2320

Patent

active

050468596

ABSTRACT:
A temperature measuring device includes a temperature-sensitive element positioned in the vicinity of a member to measure temperature thereof. The temperature-sensitive element changes its resistance with temperature variation. A pulse generator generates a pulse of a pulse width depending on the resistance of the temperature-sensitive element. A pulse width measuring circuit measures the pulse width of the pulse derived from the pulse generator. The measured pulse width indicates the temperature of the member.

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patent: 4366489 (1982-05-01), Yamaguchi
patent: 4602871 (1986-07-01), Hanaoka
IBM Technical Disclosure Bulletin, vol. 21, No. 7, 12/1978, "Signal Powered Data Collection System", pp. 2945-2946.

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