Electricity: electrical systems and devices – Miscellaneous
Patent
1990-11-01
1992-04-28
Picard, Leo P.
Electricity: electrical systems and devices
Miscellaneous
361410, 174260, 439678, 439679, H05K 708, H01R 900
Patent
active
051093197
ABSTRACT:
A diode or other axial lead electronic component which requires mounting of its leads in a predetermined orientation is provided with leads of considerably different diameter. A printed circuit board is provided with holes sized to receive respective leads, so that the leads can be inserted into the holes only one way. Instead of having circular cross-sections and different diameters, one lead may have a circular cross-section while all or an end portion of the other lead has a non-circular cross-section with a diameter allowing that lead to fit in only the larger hole of the printed circuit board.
REFERENCES:
patent: 2819434 (1958-01-01), Mattheyses
patent: 3039075 (1962-06-01), Stollman
patent: 3149898 (1964-09-01), Klumpp, Jr.
patent: 4982376 (1991-01-01), Megens et al.
patent: 4990108 (1991-02-01), Sakaguchi
Ghosh Paramita
Lessler Arthur L.
Picard Leo P.
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