Electricity: electrical systems and devices – Electrostatic capacitors – Fixed capacitor
Patent
1985-09-03
1986-12-09
Tolin, G. P.
Electricity: electrical systems and devices
Electrostatic capacitors
Fixed capacitor
340365VL, 3408152, 178 18, 361398, 200159B, H01H 908
Patent
active
046284087
ABSTRACT:
An input device for use in a display unit such as a CRT includes a lower electrode of an electrically conductive material and having a plurality of apertures therein, a resilient insulating base superimposed on the lower electrode and having a plurality of integral dot spacers projecting through the apertures, the resilient insulating base having recessed spaces, an upper flexible insulating sheet disposed in confronting relation to the insulating base with the dot spacers interposed therebetween, the upper flexible insulating sheet supporting an upper electrode on one surface thereof, a printed-circuit board disposed below the insulating base, and a plurality of diodes mounted on the printed-circuit board and accommodated in the spaces, the printed-circuit board having an electrically conductive pattern disposed on a lower surface thereof and connected to the diodes. The upper insulating sheet has extensions extending around sides of the insulating base and the printed-circuit board onto the lower surface of the latter, the upper electrode having terminal leads extending over the extensions and connected by a heat seal to the electrically conductive pattern.
REFERENCES:
patent: 4427861 (1984-01-01), Stillie
patent: 4529959 (1985-07-01), Ito
Alps Electric Co. ,Ltd.
Shoup Guy W.
Tolin G. P.
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