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Rotary differential transformer with constant amplitude and variable phase output
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Linear differential transformer with constant amplitude and variable phase output
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Aluminum-aluminum oxide stylus arm
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Miniature sounder with multi-part tuned cavities
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Rotary variable differential transformer with substantially linear output
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Multiple rotary variable differential transformer on common shaft with leakage flux compensation
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Miniature buzzer
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Phonograph cartridge replaceable stylus assembly
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Record stamper playback turntable
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Phonograph turntable electro-thermal cueing control
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Playback stylus for phonograph record stamper
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Double stylus assembly for phonograph record stamper playback
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Phonograph turntable anti-skating device
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Phonograph cartridge replaceable stylus assembly
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Differential transformer
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Temperature compensating differential transformer
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Variable scale differential transformer
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Induced magnetic moving iron stereophonic phonograph pickup with replaceable stylus assembly and one common pole piece
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Phonograph cartridge mounting platform
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US3551866A
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Rotary variable differential transformer
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