Television – Camera – system and detail – Solid-state image sensor
Patent
1993-05-10
1995-06-27
Chin, Tommy P.
Television
Camera, system and detail
Solid-state image sensor
348294, 348297, 348 92, H04N 718, H04N 910
Patent
active
054283922
ABSTRACT:
A time-delay and integration camera assembly (A) is mounted to view a rotating or other cyclically moving object (B). A lens (30) focuses light from a field of view (10) onto an array (32) of light sensitive elements having N lines of elements. A tachometer (50) monitors rotation of the rotating object and a timing control (54) causes a light sensitive array control (34) to start stepping lines of data along the lines of light sensitive elements toward a shift register (36) as a leading edge (20) of a region of interest (12) enters the field of view. Each time the region of interest moves 1/Nth of the way across the field of view, the lines of data are stepped another time along the lines of light sensitive elements. Digital video signals are sorted (74) among a plurality of image memories (76.sub.1, 76.sub.2, . . . , 76.sub.M) each image memory corresponding to a corresponding region of interest (12.sub.1, 12.sub.2, . . . , 12.sub.M). Scan converters (80) convert the frame image representations in the image memories into a series of human-readable displays. In this manner, the image memory corresponding to each region of interest is updated with each revolution of the object (B) to produce a cinematic video strobe image in a constantly illuminated environment.
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Castro Peter S.
Gilbolm David L.
Chin Tommy P.
Le Vu
Picker International Inc.
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