Automobile windshield including an electrically conducting layer

Details Automobile windshield including an electrically conducting layer Automobile windshield including an electrically conducting layer

1997-09-29

1999-02-02

Wong, Don

Communications: radio wave antennas

Antennas

With vehicle

343704, 343767, H01Q 102

Patent

active

058671293

ABSTRACT:
An automobile windshield covered with a transparent electrically conducting layer, on which some hollowed spaces are provided in the form of slots. The length of these slots is a function of the wavelength of the microwave radiation. The microwave radiation, as used for transmission of information in portable telephone sets or remote surveillance systems of toll roads, for example, is absorbed by the conducting layer to again be retransmitted by the slots which act as antennas. In this manner, vehicle windshields which are provided with an electrically conducting layer which reflects the infrared can allow microwave radiation to pass through.

REFERENCES:
patent: 4656487 (1987-04-01), Sureau et al.
patent: 4851858 (1989-07-01), Frisch
patent: 5012255 (1991-04-01), Becker
patent: 5208603 (1993-05-01), Yee
patent: 5311202 (1994-05-01), Popp et al.
patent: 5364685 (1994-11-01), Nakashima et al.

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