Electronic circuit device

Details Electronic circuit device Electronic circuit device

1993-04-05

1995-01-31

Wimer, Michael C.

Communications: radio wave antennas

Antennas

Microstrip

343701, H01Q 138, H01Q 1308

Patent

active

053862147

ABSTRACT:
An electronic circuit device comprises a printed circuit board having a first surface on which a circuit pattern is formed and on which components are mounted and a second surface on which a ground plane is formed, a coupling stub being formed in part of the ground plane and connected to the circuit pattern; and a plane antenna having an antenna element, formed on a first surface of a dielectric substrate. The printed circuit board and the plane antenna are unified such that the second surface of the printed circuit board and a second surface of the dielectric substrate are opposed to each other and the coupling stub is placed in position to be coupled to the antenna element.

REFERENCES:
patent: 3707711 (1972-12-01), Cole et al.
patent: 3778717 (1973-12-01), Okoshi et al.
patent: 4475108 (1984-01-01), Moser
patent: 4477813 (1984-10-01), Weiss
patent: 4575725 (1986-03-01), Tresselt
patent: 4736207 (1988-04-01), Siikarla et al.
patent: 4853703 (1989-08-01), Murakami et al.
patent: 4853704 (1989-08-01), Diaz et al.
patent: 4903033 (1990-02-01), Tsao et al.
patent: 5001492 (1991-03-01), Shapiro et al.

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