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. 29, 2003
Filed:
Nov. 07, 2000
Thomas Camis, Boise, ID (US);
Hewlett-Packard Company, Palo Alto, CA (US);
Abstract
Solar powered electronic display devices and methods are described. In one embodiment, a device comprises a housing ( ) and a display area ( ) within the housing to display content for a user. Memory ( ) is provided within the housing to hold data that is to be rendered into user-viewable content. An electrophotographic assembly ( ) is provided within the housing and is configured to electrophotographically render user-viewable content from the data that is held in the memory. A loop of material ( ) is disposed proximate the electrophotographic assembly ( ) and is configured to receive electrophotographically rendered content and present the content for user viewing within the display area. A power source is provided and comprises a solar panel member ( ) disposed on the housing for converting solar power into electrical power to power the device. The power source can also include one or more batteries, with the solar panel member supplementing the batteries.