METHOD AND APPARATUS FOR DYNAMICALLY CONTROLLING THE GAIN OF A RECORD/PLAYBACK SYSTEM

The gain (54) of a playback amplifier (52) is dynamically adjusted in response to a played back periodic test signal based on the number of flux transitions (56) detected during playback of a given length of tape, and an edge of tape reference position (40, 42) thereafter established by comparing th...

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Bibliographische Detailangaben
1. Verfasser:	SEEMAN, STEVEN R
Format:	Patent
Sprache:	eng
Schlagworte:	INFORMATION STORAGE INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER PHYSICS
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Beschreibung
Zusammenfassung:	The gain (54) of a playback amplifier (52) is dynamically adjusted in response to a played back periodic test signal based on the number of flux transitions (56) detected during playback of a given length of tape, and an edge of tape reference position (40, 42) thereafter established by comparing the number of flux transitions detected during the playback of a periodic test signal recorded along the edge of a given length of tape when the recording/playback unit is successively stepped toward the edge of the tape.