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. 09, 2003
Filed:
Jan. 31, 2001
Applicant:
Inventors:
Donald Erwin Weger, Knightdale, NC (US);
John Norman Pjura, Durham, NC (US);
Neal C. Harrington, Raleigh, NC (US);
William F. Troxler, Jr., Raleigh, NC (US);
Assignee:
Troxler Electronic Laboratories, Inc., Research Triangle Park, NC (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01F 1/552 ;
U.S. Cl.
CPC ...
G01F 1/552 ;
Abstract
The invention provides a method and apparatus for facilitating calibration of a nuclear gauge by automating the movement of a source rod between a plurality of source rod positions. The apparatus can include a linearly moveable member, such as a threaded rod, a motorized linear actuator, such as a stepper motor, and a source rod grip attached to the linearly moveable member for affixing the source rod to the member.