Multiplex communications – Communication over free space – Message addressed to multiple destinations
Patent
1995-03-27
1998-02-03
Hsu, Alpus H.
Multiplex communications
Communication over free space
Message addressed to multiple destinations
370349, 370465, 34082544, 379 56, 455 381, H04J 324, H04Q 700
Patent
active
057152438
ABSTRACT:
An information service provider is disclosed which transmits wireless information having address data and message data. The information service provider, such as a computer operatively coupled to a transmitter capable of transmitting wireless information, transmits the wireless information to electronic devices such as watch receivers, stand-alone pagers, palmtop computers with receiver cards, pen based personal digital assistants, notebook computers, and the like. The information service provider sets a encoding rate to be an address rate, then transmits the address data of the electronic device(s) for which the message is intended at the address rate. The information service provider then adjusts the encoding rate to be a message rate different than the address rate, where the message rate corresponds to the address. This technique allows the information service provider to transmit, and the electronic device to process, different types of messages at different rates. This would allow, for example, long complex messages, such as news broadcasts, to be transmitted at a slower rate than shorter, less complex messages, such as personal pages and stock quotes, thereby decreasing the transmission errors of the long complex messages to a number capable of being corrected in a manner transparent to the user.
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Hewlett--Packard Company
Hsu Alpus H.
Rose Curtis G.
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