Light pen with multicolor light sources
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Aug 8, 2000
Grant Date -
N/A
app pub date -
Aug 9, 1999
filing date -
Aug 9, 1999
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A light pen with multicolor light sources comprise a pen holder and a pen body wherein the pen body which slips on the pen holder can generate multicolor light sources, and the pen body further comprises a multicolor Light Emitting Diode (LED), a housing, and a conductive stand wherein the LED and the conductive stand are installed respectively at both ends of the housing. By turning the knob on the conductive stand, the conductive piece therein timely contacts the positive leads of different chips of LED in order to make the multicolor LED timely generate multicolor light sources to facilitate the convenient usage of light pen.
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