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:
Apr. 11, 2017
Filed:
Oct. 26, 2010
Chee Foo Lum, Penang, MY;
Sai Mun Lee, Penang, MY;
Khoon Guan Tee, Taman Bagan Lalang, MY;
Hun Kwang Lee, Panang, MY;
Chee Foo Lum, Penang, MY;
Sai Mun Lee, Penang, MY;
Khoon Guan Tee, Taman Bagan Lalang, MY;
Hun Kwang Lee, Panang, MY;
PIXART IMAGING INC., Hsin-Chu, TW;
Abstract
An optical finger navigation (OFN) device for use in handheld portable devices is presented. The OFN device may include a light source, a sensor, a lens holder integrated with a light guide system and a molded lead frame. The lens holder may include a lens receiving region for receiving the lens, a light guide system for directing light emitted by the light source towards the navigation surface. The light guide system may include a slanted wall that may be coated with a light reflective material.