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:
Oct. 30, 2012
Filed:
Aug. 12, 2008
Masahiko Osaka, Tokyo, JP;
Masahiko Osaka, Tokyo, JP;
NEC Corporation, Tokyo, JP;
Abstract
A cellular phone of the present invention comprises upper housingand lower housingconnected together for displacement relative to each other. Upper housingincorporates liquid crystal unitwhich includes light sourceand liquid crystal panelilluminated by light emitted from light source. Lower housingincorporates an input device. Upper housingcomprises slitwhich communicates with the interior and exterior of upper housing, and light guide means for guiding light emitted from light sourceto slit. Operating unitof the input device arranged on lower housingis illuminated by light which is guided by the light guide means and which is emitted to the outside of upper housingthrough slit
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile