Radiology

Details Radiology Radiology

1977-07-25

1983-04-05

Smith, Alfred E.

Boots, shoes, and leggings

378901, A61B 600

Patent

active

043793290

ABSTRACT:
In a method of constructing a representation of the distribution of absorption in a planar region of a body interpolation is provided, between data signals representing absorption of radiation along parallel paths, to provide signals for an increased number of such paths as required for the processing used. The interpolation is performed by forming differences of second or higher order, subdividing the differences and then combining them by running additions.

REFERENCES:
patent: 3778614 (1973-12-01), Hounsfield
patent: 3881110 (1975-04-01), Hounsfield et al.
patent: 3924129 (1975-12-01), LeMay
Andrews, Ernest G., "General-Purpose Digital Computers-Relay Types", Computer Handbook, McGraw-Hill, 1962, pp. 20-22 and 20-23.
Mackey, Richard, "Analogs and Duals of Physical Systems", Handbook of Automation Computation and Control, vol. 2, Ramo Wooldridge 1959, pp. 24-01 to 24-03.
Evans, Robley D., "Gamma Rays", AIP Handbook, 2nd Edition, McGraw-Hill, 1963, pp. 8-81 and 8-82.
James et al., Mathematics Dictionary, Revised Edition, The Digest Press, Van Nuys, Calif., 1946, Title Page, pp. 116, 117 and 138.

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