Measuring arrangements for electrical currents

Details Measuring arrangements for electrical currents Measuring arrangements for electrical currents

1976-04-30

1979-02-06

Smith, Alfred E.

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

Frequency of cyclic current or voltage

250445T, 324 77B, A61B 602, G01R 1900, G01R 2300

Patent

active

041386400

ABSTRACT:
An arrangement for measuring electrical currents is described, having advantageous application to the measurement of the small currents obtained from photodiodes associated with radiation sensitive detectors in a computerized axial tomographic apparatus. The arrangement involves a technique which, in effect, performs a least squares analysis on variation of the current from a detector over each of a succession of predetermined time intervals.

REFERENCES:
patent: 2137133 (1938-11-01), Dallman
patent: 2664243 (1953-12-01), Hurvitz
patent: 3745317 (1973-07-01), Berthier et al.
patent: 3903401 (1975-09-01), Jayant
Woods et al., Elementary Calculus, 1928, pp. 64 and 65.

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