Communications: directive radio wave systems and devices (e.g. – Radar transponder system
Patent
1994-11-03
1996-05-07
Eldred, J. Woodrow
Communications: directive radio wave systems and devices (e.g.,
Radar transponder system
342 44, 342 50, 340905, 340991, 340568, G01S 1380
Patent
active
055150535
ABSTRACT:
A transponder as well as a data communications system equipped with such a transponder are described, with which identification and/or individual addressing of the simultaneously present transponders is guaranteed in a simple manner even in the case of the simultaneous presence of a plurality of transponders in the field range of the reader.
REFERENCES:
patent: 3860922 (1975-01-01), Wagner
patent: 3970824 (1976-07-01), Walton et al.
patent: 5164985 (1992-11-01), Nysen et al.
patent: 5410315 (1995-04-01), Huber
German publication "Trovan Electronic Identification System".
Hecht Johannes
Peters Andreas
Eldred J. Woodrow
Licentia Patent-Verwaltlungs-GmbH
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