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:
Aug. 09, 1983
Filed:
Oct. 09, 1981
Applicant:
Inventors:
Neil R Bankert, Boulder, CO (US);
Steven R Heyer, Boulder, CO (US);
Lawrence Viele, Jr, Boulder, CO (US);
Assignee:
International Business Machines Corporation, Armonk, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N / ; G01N / ;
U.S. Cl.
CPC ...
7343 / ; 118689 ; 324452 ;
Abstract
Xerographic toner and carrier are analyzed by placing a sample thereof in a closed container, the container having upper and lower nonmagnetic and electrically conductive flat plates separated by nonmagnetic and electrically nonconductive walls, and subjecting the container to a vibratory force, while a voltage simulating an electrostatic image is applied to one plate, and while the charge associate with the other plate is monitored.