Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Yung Kun Lin0
Date of Patent
February 9, 2010
0Patent Application Number
111055220
Date Filed
April 14, 2005
0Patent Primary Examiner
Patent abstract
An electrical apparatus comprises a casing, a light-guiding device and a light-emitting device. In this case, the casing has a keyboard setting area for accommodating a keyboard. An opening is located at one side of the keyboard setting area. The light-guiding device is set in the casing and is near to the opening. Light is emerged from the light-guiding device and a part of the light passes through the opening to one side of the keyboard. The light-emitting device is set at one side of the light-guiding device.
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