Wireless data exchange
First Claim
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1. A data-exchange process comprising the steps of:
- a) periodically broadcasting at predetermined first short intervals from each of a plurality of data sources on a radio channel a communication-initiating radio signal indicating that the respective source has data ready for transfer;
b) monitoring the radio channel with a receiver;
c) transmitting from the receiver to one of the sources a signal triggering data exchange and subsequently transmitting the respective data from the one source to the receiver; and
d) thereafter suspending periodic broadcast of the communication-initiating radio signal from the one source on the radio channel for a predetermined long interval substantially greater than the short interval.
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Abstract
Data is exchanged by periodically broadcasting at predetermined first short intervals from each of a plurality of data sources on a radio channel a communication-initiating radio signal indicating that the respective source has data ready for transfer. The radio channel is monitored by that can transmit to one of the sources a signal triggering data exchange, whereby subsequently the respective data is transmitted from the one source to the receiver. Thereafter periodic broadcast of the communication-initiating radio signal from the one source is suspended for a predetermined long interval substantially greater than the short interval.
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Citations
12 Claims
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1. A data-exchange process comprising the steps of:
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a) periodically broadcasting at predetermined first short intervals from each of a plurality of data sources on a radio channel a communication-initiating radio signal indicating that the respective source has data ready for transfer; b) monitoring the radio channel with a receiver; c) transmitting from the receiver to one of the sources a signal triggering data exchange and subsequently transmitting the respective data from the one source to the receiver; and d) thereafter suspending periodic broadcast of the communication-initiating radio signal from the one source on the radio channel for a predetermined long interval substantially greater than the short interval. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. The data-exchange system comprising:
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a plurality of sources each having means for periodically broadcasting at predetermined first short intervals on a radio channel a communication-initiating radio signal indicating that the respective source has data ready for transfer; a receiver having means for; monitoring the radio channel with a receiver, and transmitting from the receiver to one of the sources a signal triggering data exchange and subsequently transmitting the respective data from the one source to the receiver the sources each having means for suspending periodic broadcast on the radio channel of the communication-initiating radio signal from the one source for a predetermined long interval substantially greater than the short interval after data transfer to the receiver. - View Dependent Claims (12)
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Specification