Facsimile and static presentation processing – Static presentation processing – Detail of image placement or content
Patent
1978-05-15
1979-07-03
Murray, Richard
Facsimile and static presentation processing
Static presentation processing
Detail of image placement or content
358 93, 358101, 358107, H04N 902
Patent
active
041602633
ABSTRACT:
This disclosure relates to a video microscope with wide potential range of magnification powers, including but not limited to from 10.times. to 1000.times. whose separate images originating from multiple objective lenses are combined on a half-silvered mirror and focused into a vidicon camera tube to produce a two dimensional composite image. Separation of the multiple objective lenses can be adjusted with a preloaded right-hand/left-hand lead screw arrangement without defocusing the image from either lens system. A third image such as a cross hair, grid pattern or graticule can be introduced via a light source which is projected on a silicon semiconductor wafer or other subjects through the objective lenses and in turn reflects as a composite image onto the face plate of the vidicon camera tube. The third projected image permits measurement of areas and linear dimensions of the subjects viewed. Digital null reference electronic techniques in the video output also is disclosed for auto correlation of images using servo controls. Selective deletion of scanning lines on a CRT viewing screen also provides a convenient means of measuring the vertical dimensions of subject matter being viewed, where the magnification in use in the system is accurately known. The viewed subjects are displayed on the cathode-ray tube (CRT) screen in a true relationship without image inversion, reversal or left-right ambiguity. Means are also disclosed for projecting an electronically generated image or laser beam onto the subject matter being viewed for optical printing or altering (i.e. trimming) the subject.
REFERENCES:
patent: 3784738 (1974-01-01), Natter
patent: 3908077 (1975-09-01), Stut et al.
patent: 4042960 (1977-08-01), Wooding, Jr.
Bernham Robert R.
Christy Harold
Cogar George R.
Murray Richard
Weiss Harry M.
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