Sound plate

Details Sound plate Sound plate

1991-07-08

1995-04-25

Dorner, Kenneth J.

Card, picture, or sign exhibiting

License plates

Illuminated

40442, 40200, G09F 1302

Patent

active

054087724

ABSTRACT:
A rectangular vehicle license plate frame includes side columns which mount printed circuit boards internally. The printed circuit boards mount yellow dot transformers and an integrated chip and light a number of light emitting diodes mounted on the external surface of the columns proportionate to the strength of the signals received. The strength of the signals received is dependent on the output of the respective channels of the vehicle's stereo system to which the printed circuit boards are connected by appropriate wires. Connections to the vehicle's battery provide power for energizing the respective diodes. Thus the license plate frame displays an unlimited variation of patterns in which various numbers of LEDs are illuminated in accordance with the strength of the outputs of the stereo system in rhythmic-like fashion.

REFERENCES:
patent: 4355348 (1982-10-01), Williams
patent: 4857890 (1989-08-01), Solow
patent: 5029053 (1991-07-01), Solow

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