Ring artifact correction for computerized tomography
US4689809A
X-ray tube having an adjustable focal spot
US4580054A
Method and apparatus for locating a point in a three-dimensional body using images of the body from a plurality of angular positions
US4570106A
Plasma electron source for cold-cathode discharge device or the like
US4567896A
Method and apparatus for calibrating a biopsy attachment for ultrasonic imaging apparatus
US4572202A
Method and apparatus for high-speed ultrasonic imaging
US4745483A
Electronic multi-imager
US4616318A
System for reprojecting images using transform techniques
NL8302005A
Apparatus for forming multiple electronic images on a photosensitive surface, comprising a cathode ray tube.
US4626991A
System for reprojecting images acquired by backprojection
US4570224A
Combining rebinned and unrebinned parallel ray data with unequal lateral spacing to create tomograph images
US4532425A
Gamma camera with light guide having greater index of refraction
US4462111A
Apparatus and method for examining a body, particularly useful in tomography
US4429226A
Method of and means for improving the resolution of a gamma camera
US4433427A
Method and apparatus for examining a body by means of penetrating radiation such as X-rays
US4459990A
Radiographic method and apparatus for the visualization of the interior of a body particularly useful for the visualization of a subject's circulatory system
