ELECTROMAGNETIC AND CAPACITIVE POINTER
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United States of America Patent
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Issued Date -
Mar 26, 2015
app pub date -
Apr 1, 2014
filing date -
Sep 25, 2013
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
An electromagnetic and capacitive pointer is disclosed. The electromagnetic and capacitive pointer comprises a tube assembly and a conductive tube assembly, a first and a second ferrite cores, an non-magnetic and conductive pin, a control circuit board, a conductive pin holder and a holder. The non-magnetic and conductive pin, the conductive pin holder, the holder, the control circuit board and the conductive tube assembly constitute a conductive path.
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