Alignment method of the optical transmitter and receiver in the optical wireless communication system
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United States of America Patent
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Issued Date -
Aug 5, 2004
app pub date -
Mar 17, 2004
filing date -
Jan 3, 2002
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Infrared ray detecting board which is able to observe the intensity, size and shape of the laser light from the transmitter and to separate the laser light of the transmitter from the external infrared rays to confirm the arriving position of the laser light to the receiver at the transmitter side directly, and LED indicator for corresponding the center of the laser light to the photo-detecting region of the receiver are provided. Moreover, various alignment methods using such devices and an alignment device having removable motor are provided.
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