DK137260C - Apparat til mekanisk optegnelse af svingninger i et bredt frekvensomraade (fra 20 khz til 200-400 khz) paa en plan signalbaerer
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Apparat til mekanisk optegnelse af svingninger i et bredt frekvensomraade (fra 20 khz til 200-400 khz) paa en plan signalbaerer
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H04R17/04—Gramophone pick-ups using a stylus; Recorders using a stylus
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Physics & Mathematics
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Engineering & Computer Science
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Acoustics & Sound
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Signal Processing
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Apparatuses For Generation Of Mechanical Vibrations
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Optical Recording Or Reproduction
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Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits
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DK30973A1972-01-221973-01-19Apparat til mekanisk optegnelse af svingninger i et bredt frekvensomraade (fra 20 khz til 200-400 khz) paa en plan signalbaerer
DK137260C
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Forfarande for uppteckning av en videosignal och en tonsignal medelst frekvensmodulation i ett och samma spar och anleggning for utforande av forfarandet
Anleggning for att overfora kontinuerligt varierande informationssignaler medelst komprimerad deltamodulering innefattande en signaleringssignalgenerator och en signaliseringssignaldetektor