Card-type radio receiver having slot antenna integrated with hou

Details Card-type radio receiver having slot antenna integrated with hou Card-type radio receiver having slot antenna integrated with hou

1989-06-06

1990-06-19

Hille, Rolf

Communications: radio wave antennas

Antennas

With radio cabinet

343767, 455 89, 455 90, H01Q 124, H04B 138

Patent

active

049357450

ABSTRACT:
A slot antenna is integrated with and forms part of the housing for a miniature radio receiver having dimensions comparable to the dimensions of a credit card. The antenna is formed by three plates arranged to have a generally U-shaped cross section. One plate is on one side of and is approximately the dimensions of the "credit card" receiver. A second plate is much more narrow and extends along one edge of the other side of the "credit card" receiver in a spaced parallel relationship with the first plate. The third plate extends vertically between the first two plates and along the one edge of the "credit card" receiver. Together, the three plates make up not only the antenna, but also three sides of the housing of the receiver.

REFERENCES:
patent: 4625212 (1986-11-01), Oda et al.
patent: 4641366 (1987-02-01), Yokoyama et al.
patent: 4651312 (1987-03-01), Honma et al.
patent: 4701763 (1987-10-01), Yamamoto et al.
patent: 4721962 (1988-01-01), Gorzel

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