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:
Apr. 11, 1989
Filed:
Jun. 25, 1987
Applicant:
Inventor:
Jiang Hsieh, Elk Grove Village, IL (US);
Assignee:
Siemens Gammasonics, Inc., Des Plaines, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01T / ; G21K / ;
U.S. Cl.
CPC ...
25036310 ; 25036304 ; 2505051 ;
Abstract
A collimator has a plurality of focal points in the transaxial direction and at least one focal point in the axial direction. The shortest focal lengths are located at the center of the collimator. The longest focal length is located at the periphery of the collimator. The focal length increases between the minimum focal length and the maximum focal length.
Quick Actions:
Hsieh, Jiang. (1989). Scintillation camera and three dimensional multifocal collimator used (U.S. Patent No. 4820924). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4820924
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile