TAPE RECORDER

PURPOSE:To automatically perform sensitivity compensation against two reproduction magnetic heads of a double cassette tape recorder employing one variable gain amplifier. CONSTITUTION:Sensitivity adjustments of reproduction magnetic heads 1 and 2 are automatically performed under the control of a m...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	NISHIKAWA TSUNENARI
Format:	Patent
Sprache:	eng
Schlagworte:	INFORMATION STORAGE INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER PHYSICS
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Beschreibung
Zusammenfassung:	PURPOSE:To automatically perform sensitivity compensation against two reproduction magnetic heads of a double cassette tape recorder employing one variable gain amplifier. CONSTITUTION:Sensitivity adjustments of reproduction magnetic heads 1 and 2 are automatically performed under the control of a microprocessor 11 and the respective adjustment point data are stored in a storage device 12. During a reproduction, the respective data are switched and added to a variable gain amplifier 7 by the microprocessor 11 and reproduction, which is matched to the respective sensitivities of the head 1 and 2, is performed.