Method of making an electronic calculator

Details Method of making an electronic calculator Method of making an electronic calculator

1977-03-11

1978-10-10

DiPalma, Victor A.

Metal working

Method of mechanical manufacture

Electrical device making

29626, 174 685, 200 5A, 200159B, 364712, H01H 1326

Patent

active

041188586

ABSTRACT:
Electronic calculators are manufactured by affixing conductors on an insulated substrate, by attaching a semiconductor logic and a tape-mounted display device to selected conductors and by interconnecting the conductors with a keyboard. The tape-mounted display device is provided with a plurality of leads carried by the tape different preselected distances from an axis of the display device. By using the method disclosed, the number of holes provided in the insulated substrate can be reduced or the use of such holes eliminated.

REFERENCES:
patent: 3722086 (1973-03-01), Wikkerink et al.
patent: 3780431 (1973-12-01), Feeney
patent: 3810301 (1974-05-01), Cook
patent: 3833838 (1974-09-01), Christiansen
patent: 3860771 (1975-01-01), Lynn et al.
patent: 3898421 (1975-08-01), Sizumura
patent: 3908075 (1975-09-01), Jackson et al.
patent: 3911234 (1975-10-01), Kotaka
patent: 3956820 (1976-05-01), Swartz et al.
patent: 3971127 (1976-07-01), Giguere et al.
patent: 3981076 (1976-09-01), Nicolas

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