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Audio circuit with noise muting feature

Dynamic magnetic information storage or retrieval – Recorder control of an external device – Slide or movie projectors
Patent

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Audio-visual apparatus

Dynamic magnetic information storage or retrieval – Recorder control of an external device – Slide or movie projectors
Patent

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Audio-visual presentation device

Dynamic magnetic information storage or retrieval – Recorder control of an external device – Slide or movie projectors
Patent

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Audiovisual filmstrip image display apparatus and method using f

Dynamic magnetic information storage or retrieval – Recorder control of an external device – Slide or movie projectors
Patent

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Control system for audio-visual projector

Dynamic magnetic information storage or retrieval – Recorder control of an external device – Slide or movie projectors
Patent

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Control system for audio-visual projector

Dynamic magnetic information storage or retrieval – Recorder control of an external device – Slide or movie projectors
Patent

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Digital control system and method for the synchronization of aud

Dynamic magnetic information storage or retrieval – Recorder control of an external device – Slide or movie projectors
Patent

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Digital logic control for audio visual programs and method there

Dynamic magnetic information storage or retrieval – Recorder control of an external device – Slide or movie projectors
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Method for regaining synchronization between a visual image proj

Dynamic magnetic information storage or retrieval – Recorder control of an external device – Slide or movie projectors
Patent

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Synchronized tape slide projector control system

Dynamic magnetic information storage or retrieval – Recorder control of an external device – Slide or movie projectors
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Tape machine and slide projector synchronizing device

Dynamic magnetic information storage or retrieval – Recorder control of an external device – Slide or movie projectors
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Video theater system

Dynamic magnetic information storage or retrieval – Recorder control of an external device – Slide or movie projectors
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