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:
Mar. 30, 2010
Filed:
Jul. 06, 2004
Olivier Theytaz, Savigny, CH;
Olivier Mathis, Grimisuat, CH;
Baptiste Merminod, Lausanne, CH;
Niall White, Co. Tipperary, IE;
Kevin Forde, Corks, IE;
Denis O'keeffe, Co. Cork, IE;
Olivier Theytaz, Savigny, CH;
Olivier Mathis, Grimisuat, CH;
Baptiste Merminod, Lausanne, CH;
Niall White, Co. Tipperary, IE;
Kevin Forde, Corks, IE;
Denis O'Keeffe, Co. Cork, IE;
Logitech Europe S.A., , CH;
Abstract
An optical displacement system for an input device of a host device includes a substrate; an aperture; a light source and a sensor chip attached to the substrate, an illumination optics to direct the light emitted by the light source to a surface of an object. The sensor chip is configured to receive at least part of the light emitted by the light source after the light has been scattered/reflected on the surface of the object.