Tri-state dip switch

Details Tri-state dip switch Tri-state dip switch

1990-01-29

1991-11-12

Picard, Leo P.

Electricity: electrical systems and devices

Electrostatic capacitors

Fixed capacitor

200 16D, 200252, 200237, 200238, H05K 720, H01H 1500

Patent

active

050652761

ABSTRACT:
The tri-state dual-in-line package (DIP) switch includes a base with a plurality of transverse grooves, a plurality of conducting pins attached to the transverse grooves; a plurality of slide members, each having a top protrusion and one conducting element attached to the rear surface; and a cover having a plurality of openings for the top protrusions of the slide members. The base is tightly sealed to the cover by means of high frequency welding, wherein energy directors provided for in at least one of the base or said cover are melted by allowing high frequency current to pass through the cover to the base. The width of the base is wider than that of prior art and the conducting pins are folded twice to maintain a standard distance.

REFERENCES:
patent: 4119823 (1978-10-01), Matsueda et al.
patent: 4268728 (1981-05-01), Rose
patent: 4376234 (1983-03-01), Liataud et al.
patent: 4529851 (1985-07-01), Priebe et al.
patent: 4628166 (1986-12-01), Bingo et al.
patent: 4670630 (1987-06-01), Kikta et al.
patent: 4978822 (1990-12-01), Billman et al.

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