Boots – shoes – and leggings
Patent
1977-08-30
1980-04-29
Krass, Errol A.
Boots, shoes, and leggings
250445T, G01N 2100
Patent
active
042009316
ABSTRACT:
A system for synthesizing a radiation divergence correcting operation and a deconvolution operation, for use in a tomographic apparatus, comprising optical storing means for a collection of primary signal profiles in analog form obtained by exposing a subject to a substantially flat, and diverging beam of penetrating radiation from different directions, and collecting the radiation transmission at positions, corresponding to the associated angles of incident radiation; projecting means for sequentially projecting primary signal profiles in an annular region of a memory device; and read out means including a rotating filter for sequentially and in correspondence to a correcting deconvolution function reading out simultaneously all information elements as are stored in different ones of said primary signal profiles and as are included in a particular one of said trajectories.
REFERENCES:
patent: 3809873 (1974-05-01), Klahr
patent: 4066902 (1978-01-01), LeMay
patent: 4068306 (1978-02-01), Chen et al.
patent: 4075483 (1978-02-01), Tancrell et al.
Sterling et al.; Dynamic Display of Radiotherapy Plans Using Computer-Produced Films; Work in Progress, Radiology, vol. 7, pp. 689-691, Jun. 1973.
Krass Errol A.
N.V. Optische Industrie "De Oude Delft"
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