Light emitting diode indicator assembly for a multiple pushbutto

Details Light emitting diode indicator assembly for a multiple pushbutto Light emitting diode indicator assembly for a multiple pushbutto

1975-11-10

1976-07-13

Caldwell, John W.

Communications: electrical

Audible indication

Ultrasonic pest control

340366E, 200317, G09F 314, H01H 312

Patent

active

039697215

ABSTRACT:
A light emitting diode indicator assembly for a multiple pushbutton array has a printed circuit board with a plurality of circuits thereon, each circuit having a connection position for a light emitting diode; a spacer attached to the printed circuit board with a location for a light emitting diode coincident with a related connection position; a light emitting diode at each location with leads connected to the related circuit; a lens over each diode; and a bezel having a first row of apertures with a lens situated in each aperture, and a second row of apertures with a pushbutton in each aperture, the bezel and spacer having interengaging formations whereby the spacer is inserted into a recess in the bezel and the formations engaged by lateral movement of the spacer relative to the bezel. There can be more than one row of lens containing apertures, and also more than one row of pushbuttons containing apertures.

REFERENCES:
patent: 3811025 (1974-05-01), Bach

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