Antenna for transmitting and/or receiving radio waves by way of

Details Antenna for transmitting and/or receiving radio waves by way of Antenna for transmitting and/or receiving radio waves by way of

1986-08-11

1988-07-26

Yusko, Donald J.

Communications: electrical

Continuously variable indicating

With meter reading

340825690, 361172, H04Q 900, E05B 4900

Patent

active

047603941

ABSTRACT:
An antenna for an automotive keyless entry system can ensure radio-wave transmission between a transmitter and a controller and can be conveniently mounted on a vehicle body. The antenna for an automotive keyless entry system, has a first planar antenna loop, and a second antenna loop disposed within the first antenna loop and lying in the plane thereof. The axis of the second antenna loop is substantially perpendicular to the axis of the first antenna loop. The first and second antenna loops form an antenna assembly which can be conveniently mounted on the vehicle body as, for example, within a door mirror of the vehicle.

REFERENCES:
patent: 3196440 (1965-07-01), Weinstein
patent: 4129855 (1978-12-01), Rodrian
patent: 4317157 (1982-02-01), Eckloff
patent: 4354189 (1982-10-01), Lemelson
patent: 4447808 (1984-05-01), Marcus
patent: 4471343 (1984-09-01), Lemelson
patent: 4550444 (1985-10-01), Uebel

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