Loudspeaker and audio reproduction apparatus

Details Loudspeaker and audio reproduction apparatus Loudspeaker and audio reproduction apparatus

1987-03-17

1989-03-07

Faber, Alan

Dynamic information storage or retrieval

Combined independent audio systems

Radio

84464R, H04R 100, H04B 120

Patent

active

048113131

ABSTRACT:
A loudspeaker has a pot-shaped permanent magnet having an aperture in its axial pole. A light source in a translucent colored plastic plug is housed in the aperture. The light source is driven in accordance with the frequency and strength of the signal fed to the speaker. A translucent colored membrane or filter is glued to the speaker cone.

REFERENCES:
patent: 1790903 (1931-02-01), Craig
patent: 2501968 (1950-03-01), Sassin

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