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:
Mar. 30, 1976
Filed:
May. 06, 1974
Applicant:
Inventor:
Howard G Wagner, New Canaan, CT (US);
Assignee:
The Machlett Laboratories, Inc., Stamford, CT (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G21F / ;
U.S. Cl.
CPC ...
250512 ; 250511 ;
Abstract
A radiographic system comprising a radiation source disposed to direct a beam of radiation through an adjustable aperture in an aligned beam-limiting device and onto an image receptor located at a selected distance from the source, and automatic means for making a unidirectional final adjustment of the aperture to provide the beam with a cross-sectional area which conforms to the size of the image receptor at the selected distance from the source.