Keyswitch with decoupling diode

Details Keyswitch with decoupling diode Keyswitch with decoupling diode

1984-06-12

1986-02-04

Scott, J. R.

Communications: electrical

Audible indication

Percussion-type sound producer

200 5A, 200159B, H01H 312

Patent

active

045689180

ABSTRACT:
A keyswitch for use with keyboards for connecting intersecting row and column wires of a circuit board for the keyboard has a decoupling diode for preventing the generation of false signals which may prevent a clear identification of the keyswitch which has been activated upon the simultaneous actuation of several keyswitches. The decoupling diode is integrated in the movable contact bridge of the keyswitch so that no soldering need be undertaken on the circuit board for the keyboard.

REFERENCES:
patent: 4012608 (1977-03-01), Lockard
patent: 4115673 (1978-09-01), Smith
"Selecting the Right Keyboard", Eikelberger, Machine Design, Nov. 12, 1981, pp. 68-73.

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