发明名称 AUTOMATIC VISUAL AID CONTROL UNIT
摘要 An all-electronic control system for simultaneously operating a plurality of visual aid components and/or a lighting system is operated from a programmed input tape to provide diverse control functions such as on, off, fade-in, fadeout, etc. The exclusive utilization of fast-switching, solid-state components in diverse control, slide change and movie projector control circuits enables several diverse commands to be executed nearly simultaneously.
申请公布号 US3643217(A) 申请公布日期 1972.02.15
申请号 USD3643217 申请日期 1968.10.10
申请人 JAMES R. MORPHEW;ROLAND D. INGRAM;JOHN R. STOKES 发明人 JAMES R. MORPHEW;ROLAND D. INGRAM;JOHN R. STOKES
分类号 G03B23/18;G05B19/16;H05B37/02;(IPC1-7):H04Q9/02 主分类号 G03B23/18
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