HEAD DRUM OF A TAPE RECORDER

Disclosed is a rotary head drum having a simplified structure, and a method for manufacturing thereof. An upper drum having at least two video heads formed at an outer bottom portion thereof is installed. A shaft is installed in the center portion of the upper drum. A deck portion on which said uppe...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	KIM, KEUM-MO
Format:	Patent
Sprache:	eng
Schlagworte:	GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS INFORMATION STORAGE INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER PHYSICS TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION TECHNICAL SUBJECTS COVERED BY FORMER USPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Beschreibung
Zusammenfassung:	Disclosed is a rotary head drum having a simplified structure, and a method for manufacturing thereof. An upper drum having at least two video heads formed at an outer bottom portion thereof is installed. A shaft is installed in the center portion of the upper drum. A deck portion on which said upper drum is installed, is vertically and upwardly bent by press working into cylinder shape having a shorter diameter than the upper drum. Then, a lower drum is formed on the outer portion of the deck by outsert molding under the upper drum at a predetermined distance apart from the upper drum. A number of complicated processes and assembling process for fixing the lower drum on the deck can be omitted. Thus, the obtained head drum has a simplified structure with less elements and has good quality.