Telecommunications – Receiver or analog modulated signal frequency converter – Signal selection based on frequency
Patent
1996-04-12
1999-09-07
Rao, Anand S.
Telecommunications
Receiver or analog modulated signal frequency converter
Signal selection based on frequency
4551862, 455 542, 455 45, G08G 109, G06F 1548
Patent
active
059501170
ABSTRACT:
A vocabulary memory which contains descriptions of vocabulary elements is addressable by a code which is formed by a number designating a vocabulary element, but the set of useful codes for a given user comprises gaps (32-38) between groups of consecutive numbers which are referred to as segments (24-31). The vocabulary memory contains segments which are arranged end to end and the receiver comprises an auxiliary memory which contains, for a given segment (27), the smallest and largest code values of this segment and the position in the vocabulary memory of descriptions corresponding to the codes contained in this segment, as well as the addresses (225, 230) in said auxiliary memory of data of two other segments (25, 30) of the sequence of segments, some of which are situated above and some of which are situated below said given segment etc. in order to form a classification in the form of a tree.
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Rao Anand S.
VDO Control Systems, Inc.
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