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. 11, 2005
Filed:
Oct. 04, 2000
Applicants:
William Crossland, Harlow, GB;
Melanie Holmes, Woodbridge, GB;
Ilias Manolis, Olympia Hleias, GR;
Timothy Wilkinson, Jesus College, GB;
Maura Redmond, Girton, GB;
Brian Robertson, Hove, GB;
Inventors:
William Crossland, Harlow, GB;
Melanie Holmes, Woodbridge, GB;
Ilias Manolis, Olympia Hleias, GR;
Timothy Wilkinson, Jesus College, GB;
Maura Redmond, Girton, GB;
Brian Robertson, Hove, GB;
Assignee:
Thomas Swan & Co. LTD, County Durham, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02F001/13 ;
U.S. Cl.
CPC ...
Abstract
An optical switch uses a polarization insensitive spatial light modulator operating by a double pass through a liquid crystal cell. The switch includes two such modulators in a cross bar arrangement. Different embodiments employing techniques for reducing cross talk are described.