Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Personal assistance system and method for use with a cellular communication system

Personal assistance system and method for use with a cellular communication system

US Patent 5343493 · Granted Aug 30, 1994

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Method and apparatus for orthogonally overlaying variable chip rate spread spect2016
Method and system for providing multi-input-multi-output (MIMO) downlink transmi2014
Method and system for providing multi-input-multi-output (MIMO) downlink transmi2012
Method and apparatus for encoding data for transmission in a communication syste2012
Method and apparatus for orthogonally overlaying variable chip rate spread spect2009
Method and system for providing multi-input-multi-output (MIMO) downlink transmi2009
Method for transmitting wideband signals via a communication system adapted for 2009
Method and apparatus for orthogonally overlaying variable chip rate spread spect2008
Method and apparatus for encoding data for transmission in a communication syste2008
System and method for transmitting data in frame format using an R-Rake retransm2005
System and method for transmitting data in frame format using an R-Rake retransm2004
SYSTEM AND METHOD FOR USING INHIBIT SENSE MULTIPLE ACCESS (ISMA) PROTOCOL AND A 2004