Boots – shoes – and leggings
Patent
1975-09-18
1978-05-09
Ruggiero, Joseph F.
Boots, shoes, and leggings
73 17R, 75130R, 364499, 364557, G06F 1520, G01N 2502
Patent
active
040889742
ABSTRACT:
According to the invention, the proposed digital device for automatically checking the carbon content in a metal with reference to the temperature stops on the cooling curves comprises a converter which converts the actual temperature of the metal into a numerical pulse code, said converter having applied to its input a signal carrying information on the metal's temperature, said converter having outputs consisting of code pulses corresponding to positive and negative temperature increments on the cooling curve; a reversible counter which converts the numerical pulse code into a parallel code, said reversible counter having its add and subtract inputs electrically coupled to the outputs of the converter; a clock pulse generator; a time interval discriminator whose code pulse inputs are electrically connected to the outputs of the converter, said discriminator's clock pulse input being electrically connected to the output of the clock pulse generator; a code storage register to store the codes corresponding to the temperature stops on the cooling curve, said register's information inputs being connected to digit outputs of the reversible counter, said register's control input being electrically coupled to an output of the time interval discriminator, a pulse being applied to said register at the moment when a temperature stop on the cooling curve is detected; and a digital display unit whose information inputs are electrically connected to digit outputs of the register.
The device according to the present invention eliminates subjective errors which are bound to occur in any visual readout of data and makes it possible to fully automate the checking of the carbon content in a metal with reference to the crystallization temperature.
REFERENCES:
patent: 3375106 (1968-03-01), McKissick et al.
patent: 3670558 (1972-06-01), Ryntz, Jr. et al.
patent: 3766772 (1973-10-01), Kern et al.
patent: 3824837 (1974-07-01), Nagaoka et al.
patent: 3891834 (1975-06-01), Warsinski
Fainzilberg Leonid S.
Zhitetsky Leonid S.
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