Wireless transmitter carrier phase synchronization
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United States of America Patent
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Aug 25, 1998
Grant Date -
N/A
app pub date -
Jan 3, 1996
filing date -
Jan 3, 1996
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A master RF module (12), a slave RF module (20) without an internal oscillator, and additional circuitry (40) (52). A pick up coil (30) disposed perpendicular to the antenna (16) of the master RF module (12), is connected to the additional circuitry (40) (52). Transmission from the master RF module (12) is received by the pick up coil (30) and is filtered (42) (54), and amplified (44, 46) (64, 78) by the additional circuitry (40) (52). The amplified signal is used as an oscillator input (22) to the slave RF module (20) and is also converted into a square wave monoflop signal by square wave converter (48) (98) for enabling the transmitter control (24) of the slave RF module (20).
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