Boots – shoes – and leggings
Patent
1976-12-13
1977-12-20
Morrison, Malcolm A.
Boots, shoes, and leggings
250252, 340347NT, G01N 2316, H03K 1302
Patent
active
040643964
ABSTRACT:
The disclosed linearization system and process converts a high resolution non-linear analog input signal, representative of the thickness of an object, into a high resolution linear analog output signal suitable for use in driving a variety of output devices. The system requires only a small amount of memory for storing pre-calculated non-linear correction coefficients. Prior art linearization systems typically require large memory configurations and/or powerful computers to develop the output signal from the non-linear input. The known systems do not take advantage of the high resolution inherent in the input signal. The disclosed system "channels" the input signal to separate circuit paths so that it may be used directly to; (1) locate an appropriate correction coefficient; (2) develop a correction term after an appropriate correction coefficient is located; and (3) develop a linearized signal having the same high resolution inherent in the input signal. Finally, the disclosed system processes the linearized signal to compensate for the possible errors introduced by radiation source noise. The processed linearized signal is the high resolution linear analog output signal which accurately represents the thickness of the object being gauged.
REFERENCES:
patent: 3878373 (1975-04-01), Blum
patent: 3939459 (1976-02-01), Hoopes
patent: 3955086 (1976-05-01), Tsujii et al.
patent: 3975727 (1976-08-01), Mader et al.
patent: 3979745 (1976-09-01), Bishop
patent: 4009376 (1977-02-01), Faraguet
Kaliko J. J.
Krass Errol A.
McMahon Kevin
Morrison Malcolm A.
Sangamo Weston, Inc.
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