Implicit ratio computer for sequential signals

Details Implicit ratio computer for sequential signals Implicit ratio computer for sequential signals

1975-06-19

1976-05-04

Smith, Alfred E.

Radiant energy

Photocells; circuits and apparatus

Photocell controlled circuit

250214R, 250575, 324140D, 328161, 356205, G01N 2122, H03K 518

Patent

active

039550966

ABSTRACT:
An electrical signal ratioing circuit for a source delivering an electric analog pulse signal sequence having compensating means for removing the effects of background influences, such as amplifier signal offsets and extraneous illumination, and integrating means eliminating the effect of line voltage variations and changes in optical and electrical system gains on the ratios so produced.

REFERENCES:
patent: 3071037 (1963-01-01), Brumley
patent: 3329821 (1967-07-01), Lesage
patent: 3652930 (1972-03-01), Sugiyama et al.
patent: 3787124 (1974-01-01), Lowy et al.
patent: 3875519 (1975-04-01), Warren

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