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:
May. 30, 2006
Filed:
Aug. 28, 2003
Huinan J. Yu, Buffalo Grove, IL (US);
Zili LI, Barrington, IL (US);
James L. Tracy, Coral Springs, FL (US);
Bharat N. Vakil, Coral Springs, FL (US);
Sen Yang, Palatine, IL (US);
Zhiming Zhuang, Buffalo Grove, IL (US);
Huinan J. Yu, Buffalo Grove, IL (US);
Zili Li, Barrington, IL (US);
James L. Tracy, Coral Springs, FL (US);
Bharat N. Vakil, Coral Springs, FL (US);
Sen Yang, Palatine, IL (US);
Zhiming Zhuang, Buffalo Grove, IL (US);
Motorola, Inc., Schaumburg, IL (US);
Abstract
An illuminated keypad () includes a substantially transparent keypad () having a plurality of actuator buttons (), a plurality of switches () residing substantially and correspondingly below the plurality of actuator buttons, a display laminate layer () residing between the plurality of actuator buttons and the plurality of switches, and a light source () reflectively illuminating a pattern of a symbol on the laminate layer by radiating light through the substantially transparent keypad. The display laminate can include a driver layer () having a conductor pattern configured in the pattern of the symbol to be displayed on the substantially transparent keypad, a transparent conductor layer (), and an electrically active ink layer () disposed between the transparent conductor layer and the driver layer.