Diversity reception system in a portable radio apparatus
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Dec 30, 1986
Grant Date -
N/A
app pub date -
Apr 2, 1984
filing date -
Mar 31, 1983
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A portable radio used with this invention has two different types of antenna, such as a monopole antenna and a loop antenna. The diversity reception system continuously selects that one of the antenna which provides the better received signal. Antenna selection is performed such that the received signal level is compared with two or more preset threshold levels, and antennas are switched when and only when the received signal level fails to satisfy certain predetermined conditions.
First Claim
Family
International Classification(s)
Cited Art Landscape
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