Electricity: electrical systems and devices – Miscellaneous
Patent
1989-09-14
1992-04-21
Tolin, Gerald P.
Electricity: electrical systems and devices
Miscellaneous
361395, 455348, H04B 108, H05K 720
Patent
active
051074044
ABSTRACT:
A circuit board assembly for a cellular telephone system or the like is described. A housing encloses a printed circuit board. The housing comprises a frame including an outer wall surrounding the periphery of the printed circuit board and a pair of cover plates engaging the outer edges of the outer wall of the frame. The printed circuit board is secured to the frame, and the frame is secured between the cover plates by fasteners which pass through holes in the printed circuit board. A plurality of internal walls on the frame isolate components on the printed circuit board and engage a ground line on the printed circuit board. The printed circuit board is a multi-layer board designed to permit signal lines to pass underneath the ground lines. Components are amounted on both sides of the printed circuit board.
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patent: 4404617 (1983-09-01), Ohyama
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patent: 4831498 (1989-05-01), Baba
patent: 4837664 (1989-06-01), Rodriguez
patent: 4920955 (1990-04-01), Maier
Astec International Ltd.
Tolin Gerald P.
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