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FR1459804A
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Digital to analog converter
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DE1299313B
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Digital-to-analog converter for converting a digital representation of an angle into the corresponding analog representation
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US3325805A
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Digital-to-analog converter
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US3320502A
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Automatic gain control for servo systems
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GB971464A
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Positioning control systems
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GB962663A
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Record reading apparatus
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GB962794A
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Hydraulic valves
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US3086151A
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Positional control system and pickoff therefor
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US3134098A
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Digital-to-analog converter
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US3228001A
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Redundant input reliability check for programmed multi-channel position control
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US3007494A
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Rotary fluid valve
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CA787570A
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Digital-to-resolver converter apparatus
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CA643299A
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Apparatus for reading record media
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CA668938A
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Positional control system and pickoff therefor
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CA624649A
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Reliability check for programmed multi-channel position control
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CA765088A
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Chopper circuit using diode-shunted transistors
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CA625838A
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Digital-to-analog converter
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CA646723A
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Fluid valve apparatus
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CA714200A
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Coarse-fine positioning system
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CA599446A
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Pressure measuring apparatus
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