Method and apparatus for electro-optically convoluting a one-dim

Details Method and apparatus for electro-optically convoluting a one-dim Method and apparatus for electro-optically convoluting a one-dim

1979-05-04

1981-09-15

Gruber, Felix D.

Boots, shoes, and leggings

250445T, 364414, 364861, G06G 719, G06G 900

Patent

active

042901120

ABSTRACT:
There is disclosed a method and apparatus for convoluting a signal representing a profile formed during X-ray tomography and a filter function wherein a one-dimensional image of the signal is expanded in a direction transverse to the line by means of an optical system whereby the expanded image is moved past masks in the direction of the line with the masks containing regions that are either fully transmissive or fully non-transmissive.

REFERENCES:
patent: 3088113 (1963-04-01), Rosenthal
patent: 3441724 (1969-04-01), Taylor, Jr.
patent: 4012120 (1977-03-01), Kagiwada et al.
patent: 4039815 (1977-08-01), Geluk
patent: 4071907 (1978-01-01), Casasent
patent: 4097898 (1978-06-01), Geluk
patent: 4107701 (1978-08-01), Sprague et al.

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