Battery charging, reset, and data transfer system
First Claim
1. A battery charging, reset, and data transfer system for use with:
- a first unit having data means for generating digital data signals and charging, reset, means for providing a battery charge signal; and
a second unit having processor means for receiving digital data signals and a battery;
the battery charging, reset, and data transfer system comprising;
in said first unit;
reset means for generating reset signals;
data transfer means for receiving said digital data signals and said reset signals and for modulating said battery charge signal with said digital data signals and said reset signals;
first conductor means for providing said battery charge signal to said second unit;
in said second unit;
second conductor means for receiving said battery charge signal from said first unit;
data interface means for demodulating said battery charge signal and for providing recovered digital data signals and reset signals to said processor means;
battery charging, reset, means for providing said battery charge signal to said battery.
1 Assignment
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Accused Products
Abstract
A vehicle mounted mobile transceiver (11) communicates via a secondary mobile unit (51) with a short range portable unit (10). The portable unit (10) can be either a cordless microphone or a transceiver. The portable unit (10) allows a remotely positioned operator to transmit messages to a base station (13). To ensure security and reliable operation, the portable and vehicle mounted units use digitized codes for ID and instruction purposes. These codes are newly generated from time to time by the vehicle mounted unit and are imparted to the portable unit via a battery charging interface by modulating the battery charging signal with the reset and digital data signals. An improved remote squelch detect is also provided.
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Citations
8 Claims
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1. A battery charging, reset, and data transfer system for use with:
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a first unit having data means for generating digital data signals and charging, reset, means for providing a battery charge signal; and a second unit having processor means for receiving digital data signals and a battery;
the battery charging, reset, and data transfer system comprising;in said first unit; reset means for generating reset signals; data transfer means for receiving said digital data signals and said reset signals and for modulating said battery charge signal with said digital data signals and said reset signals; first conductor means for providing said battery charge signal to said second unit; in said second unit; second conductor means for receiving said battery charge signal from said first unit; data interface means for demodulating said battery charge signal and for providing recovered digital data signals and reset signals to said processor means; battery charging, reset, means for providing said battery charge signal to said battery. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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Specification