Geometrical instruments
Patent
1981-03-23
1984-01-17
Abrams, Neil
Geometrical instruments
339 75M, H01R 909
Patent
active
044261225
ABSTRACT:
This invention is related to a microcomputer associated to a printed circuit connector adapted to connect main circuits to extension circuits. Said connector comprises pressure means associated to a lid covering an aperture provided in the casing of the microcomputer, which pressure means act on a cartridge containing extension circuits. When said lid is in its closed position, the conductive connecting areas, or contacts, of the printed support circuit associated to said extension circuits are maintained in engagement with conductive elastic blades constituting the connecting contact of the main circuits. The invention is particularly advantageous in the field of microcomputors manufactured and distributed on a large scale.
REFERENCES:
patent: 3323095 (1967-05-01), Bush et al.
patent: 3789345 (1974-01-01), Reimer et al.
Brandelong Gerard
Jacquemin Marie N.
Lainez Lucien
"Thomson-Brandt"
Abrams Neil
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