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:
Jun. 30, 2009
Filed:
Jul. 07, 2006
Omer Gila, Cupertino, CA (US);
Alfred I-tsung Pan, Sunnyvale, CA (US);
Michael H. Lee, San Jose, CA (US);
Omer Gila, Cupertino, CA (US);
Alfred I-Tsung Pan, Sunnyvale, CA (US);
Michael H. Lee, San Jose, CA (US);
Hewlett-Packard Development Company, L.P., Houston, TX (US);
Abstract
Image development methods, hard imaging devices, and image members are described. According to one embodiment, an image development method includes providing an image member comprising a surface having different portions of different electrical conductivities, wherein one of the portions defines an imaging pattern of an image, providing a development agent comprising a plurality of electrically charged image particles and a plurality of electrically charged charge directors over the image member, providing an electrical field proximate the image member having the development agent over the image member, and using the electrically charged charge directors and the electric field, directing the electrically charged image particles to the one of the portions of the surface of the image member to develop the image.