Optical finger navigation device

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...

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Bibliographic Details
Main Authors Tee Khoon Guan, Lum Chee Foo, Lee Hun Kwang, Lee Sai Mun
Format Patent
LanguageEnglish
Published 11.04.2017
Subjects
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
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Summary: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.
Bibliography:Application Number: US20100912281