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.
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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 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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