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Current amplifier with automatic drift correction for tomographic scanners
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Radiation sensing apparatus
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Method of determining collimator aperture efficiency and apparatus with an efficient collimator aperture size
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Variable persistance video display
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Video speed logarithmic analog-to digital converter
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X-ray tomographic apparatus
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Tomographic scanner with cadmium tungstate scintillation crystals
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X-ray tomographic apparatus
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Tomographic scanner
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Adjustable collimator
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Shutter for rotating source ct scanner
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Cardiac imaging with ct scanner
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Radiation sensing devices and processes for correcting nonuniformity of radiation cameras
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Variable collimator
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Data channel multiplexing system for CT scanner with rotating source
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Radiographic scanner apparatus
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Patient support systems
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Cable control and take-up mechanisms and x-ray scanning apparatus incorporating such mechanisms
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Shutters for X-ray scanners
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Systems for indicating the variation in radioactivity within a patient's cardiac cycle from a tracer substance in the blood
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