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. 05, 1999
Filed:
Oct. 22, 1998
Nobuya Inamori, Nagoya, JP;
Harness System Technologies Research, Ltd., Nagoya, JP;
Sumitomo Wiring Systems, Ltd., Mie, JP;
Sumitomo Electric Industries, Ltd., Osaka, JP;
Abstract
A car navigation system 11 has a screen change section 19d for changing one screen to a different screen based on a predetermined input signal, a display signal generation section 19c for generating a video signal for displaying the different screen, a liquid crystal display section 17 being responsive to the signal level of the video signal for changing voltage applied to liquid crystal of each pixel part in a predetermined change range and displaying the corresponding screen, ROM 31 for storing a plurality of the change ranges of the applied voltage preset in a one-to-one correspondence with the screens, and a brightness level control section 18 for selecting the change range corresponding to the different screen from among the change ranges stored in the ROM 31 and instructing the liquid crystal display section 17 to change the applied voltage in the selected change range.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile