Temperature function integrator

Details Temperature function integrator Temperature function integrator

1976-03-08

1977-12-06

Gill, James J.

Measuring and testing

Gas analysis

Moisture content or vapor pressure

73362AR, G01D 104, G01D 302, G01N 3302

Patent

active

040610330

ABSTRACT:
The temperature function integrator disclosed senses the temperature of a temperature sensitive food and provides as an output a measure of the food deterioration. A temperature transducer produces an electrical signal which is modified according to a transfer function simulating the temperature -- rate of deterioration relation for the food by either analogue or digital means. The modified signal determines the pulse rate or the number of pulses generated at a sample time by a pulse generator, and these pulses are counted by a digital counter which performs an integrating function. A number of counters can be used to give deterioration for a number of selected temperature ranges. An integral or remote read-out decodes the counter. Rate of deterioration and absolute deterioration information may be telemetered to a remote receiver and read-out.

REFERENCES:
patent: 2505521 (1950-04-01), Boyajian
patent: 2972253 (1961-02-01), Benson
patent: 3045488 (1962-07-01), Jurs et al.
patent: 3561270 (1971-02-01), Sessler
patent: 3645804 (1972-02-01), Ponchez
patent: 3911374 (1975-10-01), Busse et al.
patent: 3911746 (1975-10-01), Spangler et al.

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