Communications: radio wave antennas – Antennas – High frequency type loops
Patent
1997-04-29
1999-08-10
Kim, Robert H.
Communications: radio wave antennas
Antennas
High frequency type loops
343741, 343744, 343890, H01Q 116
Patent
active
059365862
ABSTRACT:
A VHF-UHF waveguide non-metal and metal detector is disclosed having a waveguide antenna system of aluminum tubing with 4 aperture/slits at critical angles including dielectric centers in conjunction with a waveguide collector system of 2 sets of conical collectors mounted on a main unit containing a waveguide diaphragm and waveguide receiver case including receiver antenna wires with no metal contact.
REFERENCES:
patent: 3550137 (1970-12-01), Kuecken
patent: 5138262 (1992-08-01), Podhrasky
patent: 5621418 (1997-04-01), Maloney
patent: 5696490 (1997-12-01), Maloney
Kim Robert H.
Lauchman Layla
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