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:
Feb. 12, 2008
Filed:
Apr. 30, 2004
Rudy Yorio, Pompano Beach, FL (US);
David S. Fredley, Coral Springs, FL (US);
Douglas W. Moskowitz, Weston, FL (US);
James L. Tracy, Coral Springs, FL (US);
Rudy Yorio, Pompano Beach, FL (US);
David S. Fredley, Coral Springs, FL (US);
Douglas W. Moskowitz, Weston, FL (US);
James L. Tracy, Coral Springs, FL (US);
Motorola, Inc., Schaumburg, IL (US);
Abstract
A portable electronic device includes a display-input apparatus () for displaying alternate character sets, in correspondence with a selected mode of operation of the device. The display-input apparatus uses first and second cholesteric display layers () to display the different character sets. Each cholesteric display layer displays a different character set when active. When not active, the cholesteric display layer is rendered transparent.