The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 26, 2006
Filed:
Feb. 08, 2005
Thomas Louis Toth, Brookfield, WI (US);
Brian James Grekowicz, Salt Lake City, UT (US);
Thomas Louis Toth, Brookfield, WI (US);
Brian James Grekowicz, Salt Lake City, UT (US);
General Electric Company, Schenectady, NY (US);
Abstract
Methods, apparatus and systems for controlling x-ray exposure during a scan with a computed tomography system are provided. The system includes an x-ray source, a collimator, and a detector array. The collimator includes a first cam configured to shutter an x-ray fan beam, generated by the x-ray source, in a first direction, a second cam located on an opposite side of a focal point of the x-ray source from the first cam, the second cam configured to shutter the x-ray fan beam in a second direction, the second direction being opposite from the first direction, and a cam drive configured to position at least one of the first cam and the second cam during the scan.