Earth structure for antennas, and antenna apparatus with earth f

Details Earth structure for antennas, and antenna apparatus with earth f Earth structure for antennas, and antenna apparatus with earth f

1997-03-13

2000-01-25

Wong, Don

Communications: radio wave antennas

Antennas

With vehicle

343712, H01Q 132

Patent

active

060183225

ABSTRACT:
Disclosed is an earth structure which can be easily attached without degrading the antenna performance. The earth structure for grounding a feeder line for transmitting a signal received from an antenna to a receiver or the like has a long earth member having a predetermined length and one end connected to a ground wire of the feeder line. A portion from one end to the other end of the long earth member is not grounded, and the other end is open.

REFERENCES:
patent: 4940991 (1990-07-01), Sheriff
patent: 5353039 (1994-10-01), Tsukada et al.
patent: 5659324 (1997-08-01), Taniguchi et al.
patent: 5663737 (1997-09-01), Kakizawa
Michiaki Ito, et al., "Disc Shaped Mono-Pole Antenna With Wide Range and Directivity-Less Reception Performance", Nagaoka University of Technology, pp. 55-59. (with partial translation of p. 55).

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