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Frequency following circuit
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Parametric adjustment circuit
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Multi-level encoding system
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Automatic rhythm generator
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Selection switch memory circuit
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Phase shifting sound effects circuit
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Electronic instrument
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Electronic musical instrument capable of generating a string chorus sound
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Audio power amplifier with automatic bias control
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Method of adjusting stringed instrument bridge height and or angle and mechanism therefor
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Electronic musical instrument with means for automatically generating chords and harmony
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Contour generator for audio signal
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Multiplexer for electronic musical instrument
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Integrated demultiplexing circuit with continuously variable outputs
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Electronic musical instrument with dynamically responsive keyboard
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Keyboard for an electronic musical instrument employing variable capacitors
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Electronic musical instrument with exponential keyboard and voltage controlled oscillator
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Bass signal control circuit
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