Flat antenna apparatus having a shielded circuit board

Details Flat antenna apparatus having a shielded circuit board Flat antenna apparatus having a shielded circuit board

1994-12-27

1996-12-17

Hajec, Donald T.

Communications: radio wave antennas

Antennas

Microstrip

343702, 343841, 343906, 439610, H01Q 138

Patent

active

055858066

ABSTRACT:
There is provided a flat antenna apparatus in which a low-noise amplifier provided therein does not generate an abnormal oscillation, and a case and a ground pattern formed on a circuit board are reliably connected to each other by means of a simple construction. A flat antenna element is mounted on a circuit board. The circuit board has an amplifying circuit for amplifying a radio frequency received from the flat antenna element. A case and the flat antenna element are attached to opposite sides of the circuit board. A tab formed on a peripheral edge of the case is inserted into a slot formed on the circuit board, the tab being soldered to fix the case on the circuit board.

REFERENCES:
patent: 4803491 (1989-02-01), Hikuma
patent: 4955084 (1990-09-01), Umetsu et al.
patent: 5145409 (1992-09-01), Sato et al.
patent: 5171161 (1992-12-01), Kachlic
patent: 5425657 (1995-06-01), Davis et al.
patent: 5428362 (1995-06-01), Chatzipetros et al.

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