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:
Jun. 07, 2005
Filed:
Feb. 15, 2001
Naci Basturk, Enges, CH;
Naci Basturk, Enges, CH;
Asulab S.A., Bienne, CH;
Abstract
A second device () is mounted on a first device () formed of a liquid crystal () display cell () at the front of which is arranged a first linear polarizer (), of a liquid crystal () optical valve () at the back of which is arranged a second polarizer () and means () for controlling the valve () and the cell () from a switched state to a non switched state. When the cell () is switched to display a data item, by associating a first light or dark device () with a second absorbent or reflective polarizer (), an inversion of the contrast in said data is obtained by switching the valve ().
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile