Remote control receiver
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United States of America Patent
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-
Jan 30, 2001
Grant Date -
N/A
app pub date -
Jun 22, 1998
filing date -
Jun 27, 1997
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The back end position of a pulse, which is transmitted from a remote control, varies according to the transmission distance, and the pulse width changes. A remote control receiver of the present invention detects the pulse width of a header, which is formed at the head of each frame in a remote control signal from the remote control, so as to detect the transmission distance of the remote control signal and a change in back end position of each pulse in a data part, which is transmitted after the header. Then, the back end position of each pulse is corrected to original. This eliminates the change in pulse width resulting from a change in transmission distance, and increases the allowable range of the transmission distance of the remote control.
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