Tomography wherein signal profiles derived from an out-fanning beam of penetrating radiation can be reconstructed corresponding with parallel incident rays
Patent 4266136 Issued on May 5, 1981. Estimated Expiration Date: 
April 9, 1999. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
April 9, 1999. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent ReferencesMethod and apparatus for X-ray or γ-ray 3-D tomography using a fan beam Method and apparatus for tomography wherein signal profiles derived from an out-fanning beam of penetrating radiation can be reconstructed into signal profiles each corresponding with a beam of parallel incident rays Patent #: 4168435 InventorApplicationNo. 06/028608 filed on 04/09/1979US Classes:378/21, Tomography378/901COMPUTER TOMOGRAPHY PROGRAM OR PROCESSORExaminersPrimary: Smith, Alfred E.Assistant: Grigsby, T. N. Attorney, Agent or FirmInternational ClassA61B 6/03 (20060101)Foreign Application Priority Data1976-07-19 NLAbstractFlat out fanning beams of penetrating radiation in the plane of a slice of an object are bounded on one side by an axis of rotation through the object and extend on the other side past the object exterior. These beams are produced at corresponding angles of the rotation and impinge upon a continuous detector surface which is scanned at each angle to generate half profile signals which may then be processed to produce parallized profile signals. | |
