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Control system for stabilizing the frequency of an oscillator
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FR1276556A
|
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Facsimile recorder
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Record clamping and stripping mechanisms for facsimile machines and the like
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GB810929A
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Improvements in or relating to magnetic sound transducing devices
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Tuning fork oscillator having separate magnetostrictive and magnetomotive controls
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Magnetic head with adjustable shield for controlling stray magnetic flux
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GB793683A
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Optical sound film recording system
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Sound film recording system
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FR1152046A
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Improvements to devices for photographic recording of sound on film
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Sound film recording system
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Locking means for elements of a film driving mechanism
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Magnetic tape record bearing a sound track and a control track
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Film gate
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Film editing machine
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Speed control for magnetic tape driving means utilizing the recorded bias signal
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Method of securing conductor to stylus
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Power supply apparatus
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Film marking unit for sound picture recording system
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CA610953A
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Magnetic head with adjustable shield for controlling stray magnetic flux
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CA710974A
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Pressure-responsive recording
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