Voltage ramp temperature controller

Details Voltage ramp temperature controller Voltage ramp temperature controller

1975-06-23

1976-10-26

Miller, Jr., Stanley D.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307310, 307228, 219501, G01K 700, H05B 102

Patent

active

039886824

ABSTRACT:
A temperature control circuitry for use in detecting the temperature of a vice and providing a programming voltage output for controlling a heating apparatus to vary the temperature of the device. The circuitry utilizes a thermocouple as a sensing element in conjunction with a sweep voltage generator and is capable of controlling the time required to heat the device, depending on its material, to a specific temperature over a wide range of temperature values. This is accomplished by superimposition of the thermocouple voltage of the device on a linear ramp voltage generated by the sweep voltage generator. The error signal produced is further processed to control the output of power supplied to heating elements in order that a linear temperature rise or fall of the heated device results over a predetermined elapsed time.

REFERENCES:
patent: 3566151 (1971-02-01), Wilburn
patent: 3743930 (1973-07-01), Fathauer
patent: 3819960 (1974-06-01), Kohn, et al.

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