Electrical connectors – Preformed panel circuit arrangement – e.g. – pcb – icm – dip,... – With mating connector which receives panel circuit edge
Patent
1999-01-08
2000-12-05
Sircus, Brian
Electrical connectors
Preformed panel circuit arrangement, e.g., pcb, icm, dip,...
With mating connector which receives panel circuit edge
439 74, H01R 909
Patent
active
061558427
DESCRIPTION:
BRIEF SUMMARY
BACKGROUND OF THE INVENTION
The invention relates to a housing for PC-based electronic equipment having a base printed circuit board with a printed circuit bus plug connector for an additional printed circuit board being received in the housing with the additional printed circuit board extending perpendicular to the base printed circuit board and having at least one additional plug connection for a supplementary printed circuit board, and to electronic equipment having such a housing.
A housing of the mentioned type for PC-based control equipment is known from WO 95/14367 A1. A base printed circuit board is disposed therein parallel to the floor plate of the housing, onto which printed circuit board an AT bus adaptor card aligned perpendicular thereto is fitted. The latter is equipped with two plug connectors, into which in each case one supplementary printed circuit board can be inserted. The supplementary printed circuit boards are aligned parallel to the base printed circuit board.
The number of supplementary printed circuit boards is limited only by the number of plug connectors on the AT bus adaptor card; however, it determines the height or length of the AT bus adaptor card and thus the height of the housing. Accordingly, in each case it is necessary to provide a housing which offers space for the maximum required number of supplementary printed circuit boards. Accordingly, in many practical applications an unnecessarily large and thus costly housing is used.
SUMMARY OF THE INVENTION
The object of the invention is accordingly to specify a housing for PC-based electronic equipment, which is designed for minimal equipping with supplementary printed circuit boards but offers a simple possibility of extension with respect to the number of supplementary printed circuit boards.
A housing wall opposite the base printed circuit board having an aperture through which a portion of the additional printed circuit board or adapter card plugged into the bus plug connector of the base printed circuit board can extend through and which portion has at least one additional plug connector for the supplementary printed circuit board.
A base printed circuit board to be aligned parallel to a first housing wall can be inserted into the housing, on which base printed circuit board a PC bus plug connector for an adaptor card which can be fitted to extend normal to the printed circuit board, is disposed. An aperture is formed in the housing wall opposite the first housing wall, through which aperture, when the base printed circuit board has been inserted, an adaptor card inserted into the PC bus plug connector is able to protrude at least by a part of its surface. The aperture can be formed as a slot in the housing wall, but can also be by omission of this housing wall.
In the case of the use of an adaptor card which is designed for minimal equipping of the housing with supplementary printed circuit boards and which accordingly does not protrude from the housing, the aperture can be closed off by a cover plate. The same applies if an adaptor card is dispensed with. The cover plate is preferably releasably connected to the housing, for example by screws or a detent connection. This permits subsequent equipping of the arrangement with further or additional supplementary printed circuit boards.
In a further refinement of the invention, a supplementary housing can be fitted onto the housing wall provided with the aperture, and a housing surface of which supplementary housing the is then adjacent to the first housing is being provided with a housing opening which leaves the aperture free. The housing opening is cut out from a wall of the supplementary housing, which wall faces the first housing, and corresponds in its dimensions to the aperture in the wall of the first housing. However, it can also be formed by omission of a housing first wall of the supplementary housing, so that the supplementary housing is designed as cover hood for a space enclosed between it and the first housing. The supplementary housing is to be releas
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patent: 5785533 (1998-07-01), Baitz et al.
patent: 5788510 (1998-08-01), Walker
patent: 5903442 (1999-05-01), Karai et al.
patent: 5926378 (1999-07-01), Dewitt et al.
patent: 5967796 (1999-10-01), Harfield et al.
patent: 5986473 (1999-04-01), Kaspari
"Enhanced Riser Card with Expansion Function Capability for Personal Computers", IBM Technical Disclosure Bulletin, vol. 37, No. 7, Jul. 1994, pp. 189-191.
Duverne J. F.
Siemens Nixdorf Informationssysteme Aktiengesellschaft
Sircus Brian
LandOfFree
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