Multi-channel or split-frequency, low frequency, telemetry circuit and method between transmitters and receivers
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United States of America Patent
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Dec 25, 2001
Grant Date -
N/A
app pub date -
Oct 28, 1998
filing date -
Oct 28, 1997
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A multi-channel system is provided for both wide-band and narrow band low frequency transmission/reception of digital telemetry. The multi-channel system uses coherent detection having a high selectivity, and a quadrature detector having a high sensitivity. A filter is provided to average out noise. The multi-channel system oscillator is software controlled for scanning/multiplexing. The multi-channel system is used for data transmission over inductive, infrared, sonic and cable links.
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