Passive device for increasing the transmission efficiency of...

Details Passive device for increasing the transmission efficiency of... Passive device for increasing the transmission efficiency of...

2007-08-28

2007-08-28

Wimer, Michael C. (Department: 2821)

Communications: radio wave antennas

Antennas

With electrical shield

C343S742000, C343S853000

Reexamination Certificate

active

10495068

ABSTRACT:
Radio-frequency transmission device comprising a transmission antenna (2) and a receiving antenna (4), characterised by comprising one or more passive resonant circuits (5) positioned between the transmission and receiving antennas (2, 4).

REFERENCES:
patent: 3657652 (1972-04-01), Smith
patent: 4642786 (1987-02-01), Hansen
patent: 5181043 (1993-01-01), Cooper
patent: 197 00 110 (1998-07-01), None
patent: 2 288 103 (1995-10-01), None
patent: WO 00/26989 (2000-05-01), None

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