Wireless alarm system
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United States of America Patent
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Sep 14, 1999
Issued Date -
N/A
app pub date -
May 20, 1997
filing date -
Nov 2, 1988
priority date (Note) -
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Abstract
A remote power meter monitoring system using spread spectrum transmitters, fast frequency shift keying, spread spectrum receivers and a computer. The spread spectrum transmitter uses a chip code generator, preamble register, address register data register and oscillator coupled to a microprocessor to transmit information in a direct sequence spread spectrum signal. The spread spectrum receiver acquires synchronization of the spread spectrum signal using a microprocessor to despread and detect the transmitted information, which relates to data from a power meter.
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