Communications: radio wave antennas – Antennas – High frequency type loops
Patent
1994-10-13
1996-09-03
Hajec, Donald T.
Communications: radio wave antennas
Antennas
High frequency type loops
343867, 343882, H01Q 1112
Patent
active
055527965
ABSTRACT:
An antenna for receiving UHF and VHF TV frequency signals provides a good impedance match and a wide frequency band of operation to the TV set. The antenna includes a telescoping cylindrical monopole antenna element rotatably mounted to a support structure and a multi-turn helical antenna element, each turn being rotatably mounted to the support structure. A first lead, at a first end of the transmission line, is coupled to the telescoping monopole antenna element and a second lead, of the twin-lead transmission line, is coupled to the helical antenna element. A second end of the twin-lead transmission can be coupled to a TV set for clear reception of the VHF and UHF TV signals.
REFERENCES:
patent: 3096518 (1963-07-01), Tiikkainen
patent: 3387101 (1968-06-01), Nienaber
patent: 3478361 (1969-11-01), Middlemark
patent: 3932873 (1995-10-01), Garcia
Hajec Donald T.
Phan Tho
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