Glass antenna system for an automobile

Details Glass antenna system for an automobile Glass antenna system for an automobile

1982-05-14

1984-03-27

Mayewsky, Volodymyr Y.

Communications: radio wave antennas

Antennas

With ice clearer or preventer

343713, 219203, 219522, H01Q 132, H01Q 102

Patent

active

044397712

ABSTRACT:
A glass antenna system for an automobile comprises a main antenna disposed at an upper part of a glass plate for a rear window of the automobile and a defogging electric heating element disposed below and separate from the main antenna and comprising a plurality of heating strips and a pair of bus bars for supplying electricity to the heating strips. The glass antenna system is characterized in that a lead wire is connected to a predetermined portion of the lower most heating strip among said heating strips and a feeding point for connection to an antenna feeder line is provided on the lead wire, whereby the defogging electric heating element constitutes a subsidiary antenna having a directivity different from the directivity of the main antenna.

REFERENCES:
patent: 3971029 (1976-07-01), Torii et al.
patent: 4063247 (1977-12-01), Sukurai et al.
patent: 4086594 (1978-04-01), Kropielnicki et al.
patent: 4095228 (1978-06-01), Meinke et al.
patent: 4155090 (1979-05-01), Kuroyanagi et al.
patent: 4260989 (1981-04-01), Ishii et al.

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