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Title:
APPARATUS COMPRISING AN OPTICAL INPUT DEVICE AND AT LEAST ONE FURTHER OPTICAL DEVICE HAVING A COMMON RADIATION SOURCE
Document Type and Number:
WIPO Patent Application WO2003098527
Kind Code:
A3
Abstract:
In an apparatus comprising an optical input device (220) controlled by a moving object and also comprising at least one further optical device (230,240) to be provided with electromagnetic radiation (225,226), wherein the inputdevice comprises at least one diode laser (222) for supplying at least one measuring beam to a window (221) of the input device, the rear side of at least one of the ne diode lasers of the input device is optically coupled to at least one of the other optical devices so as to supply such a device with radiation. In this way, space and cost can be saved, which makes the apparatus very suitable for small and battery-powered mobile apparatus, like a mobile phone, a hand-held computer, a laptop computer, etc.

Inventors:
DUIJVE RENE (NL)
VERWEG FRANSISCUS G C (NL)
Application Number:
PCT/IB2003/002007
Publication Date:
March 04, 2004
Filing Date:
May 13, 2003
Export Citation:
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Assignee:
KONINKL PHILIPS ELECTRONICS NV (NL)
DUIJVE RENE (NL)
VERWEG FRANSISCUS G C (NL)
International Classes:
G06F1/16; G06F3/033; G06F3/042; G01B11/02; H01H35/00; (IPC1-7): G06F3/033; G02B6/00; G02F1/3357
Domestic Patent References:
WO2001086586A12001-11-15
WO2002037410A12002-05-10
Foreign References:
EP0942285A11999-09-15
US20020057876A12002-05-16
US5526160A1996-06-11
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