发明名称 APPARATUS FOR SPEAKER ACTUATED VISUAL EFFECTS HAVING MECHANICAL DISPLAY ACTUATION
摘要 A permanent magnet speaker is mounted within an enclosure. The vibratory movements of the speaker cone are used to drive a translucent color cylinder which is positioned behind a viewing screen. A pair of incandescent bulbs are connected across the speaker coil and vary in intensity in accordance with the signal applied to the speaker. The screen displays a changing color pattern which varies in intensity with the audio signal.
申请公布号 US3665446(A) 申请公布日期 1972.05.23
申请号 USD3665446 申请日期 1971.01.18
申请人 BELL & HOWELL CO. 发明人 GEORGE C. BURM;ELMER C. HENRIKSEN;EUGENE V. MATEJA
分类号 A63J5/10;(IPC1-7):G08B21/00;H01H27/04;H01H35/02 主分类号 A63J5/10
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