X-ray or gamma ray systems or devices – Electronic circuit – With display or signaling
Patent
1993-11-30
1995-04-11
Porta, David P.
X-ray or gamma ray systems or devices
Electronic circuit
With display or signaling
378 98, H04N 5321, H01J 3150
Patent
active
054066107
ABSTRACT:
An X-ray diagnostics apparatus in which sensitivity of an overlapped image is uniform everywhere. The X-ray diagnostics apparatus includes: a first image sensing device which senses analog image; a first A-D converter which converts the analog image obtained by the first image sensing device to a digital image; a first memory which stores digital-converted image data obtained by the first A-D converter; a second image sensing device which senses an analog image; a second A-D converter which converts the analog image obtained by the second image sensing device to a digital image; a second memory which stores digital-converted image data obtained by the second A-D converter; a divider unit which generates coefficient in which the image data stored in the first memory is divided by the image data stored in the second memory; line memory which stores the generated coefficient; and composite image memory which overlapps image data obtained by the first memory and the second memory in a manner that the coefficient is multiplied to the image data in the second memory for each line.
REFERENCES:
patent: 4503460 (1985-03-01), Sklebitz
patent: 4613983 (1986-09-01), Yedid et al.
patent: 5123056 (1992-06-01), Wilson
Kabushiki Kaisha Toshiba
Porta David P.
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