Electric heating – Metal heating – Of cylinders
Patent
1979-12-20
1981-12-08
Rubinson, Gene Z.
Electric heating
Metal heating
Of cylinders
219 1055R, 200DIG1, 361280, 340365C, H05B 664, H01G 700, H01H 954
Patent
active
043049761
ABSTRACT:
An improved technique for the manufacture of capacitive touch switch panel assemblies, utilized to control appliances and the like, provides simplified construction and manufacture. The technique involves the formation of conductive touch pads on one major surface of a dielectric panel and the formation of pairs of spaced-apart conductive pads and conductive lead members to the conductive pads on a separate flexible synthetic resin sheet. The synthetic resin is bonded to the opposite major surface of the dielectric panel with each pair of conductive pads on the synthetic resin sheet in registry with a corresponding touch pad on the one major surface of the dielectric panel. The synthetic resin sheet includes a portion having a conductive lead pattern formed thereon which is not bonded to the dielectric panel; this portion serves as a flexible connector for connection of the touch panel to a circuit board or the like. In one embodiment, the conductive lead pattern includes an interconnection pattern for circuit elements such as integrated circuits or display elements mounted on the synthetic resin sheet or the dielectric panel. The conductive lead pattern on the synthetic resin sheet may be a single-layer or a multi-layer pattern and the conductors may be formed from a single material or different materials having predetermined resistive characteristics whereby external resistors to the capacitive touch switches and/or circuit elements may be eliminated from the circuit.
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Appliance Manufacturer, Jul. 1975; Microprocessor Applications: Amana's Oven with a Brain; pp. 33-35.
Gottbreht Tom L.
Shepherd Glen C.
George Keith E.
Haug John A.
McAndrews James P.
Rubinson Gene Z.
Sharp Melvin
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