Motor vehicle-mounted radio wave receiving GPS apparatus requiri

Telecommunications – Receiver or analog modulated signal frequency converter – Combined with diverse art device

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455281, 455343, H04B 116, H05K 1102

Patent

active

051612550

ABSTRACT:
The microstrip antenna embodying the present invention employs a dielectric material that forms part of a motor vehicle body shell as a dielectric composing element thereof. The motor vehicle-mounted GPS receiver comprising an outer unit, an inner unit, a wireless signal transfer device for transferring signals between the outer unit and the inner unit, and a power source for supplying an electric power to the outer unit, whereby the signal transfer device is provided by a radio receiver installed in the inner unit or by a coupling capacitor consisting of a pair of flat plates and the dielectric motor vehicle body shell sandwiched therebetween. According to the present invention, there is no need of providing the finished motor vehicles with through holes and it is quite simple to equip the finished motor vehicle with the GPS receiver.

REFERENCES:
patent: 4779098 (1988-10-01), Blaese
patent: 4887089 (1989-12-01), Shibata et al.
patent: 4916456 (1990-04-01), Shyu
1987 International Symposium Digest Antennas and Propagation, vol. 11, Jun. 1987, pp. 1152-1155; Schmidt: "Low-Cost Microstrip Phased Attay Antenna for Use in Mobile Satellite Telephone Communication Service".

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