Rotary head drum for a video tape recorder

Details Rotary head drum for a video tape recorder Rotary head drum for a video tape recorder

G - Physics

11

B

352/23.21

G11B 21/04 (2006.01) G11B 5/53 (2006.01) G11B 15/61 (2006.01) G11B 25/06 (2006.01) G11B 33/12 (2006.01)

Patent

CA 2015011

PATENT 39-0100.2226 ABSTRACT OF THE DISCLOSURE A rotary head drum for a video tape recorder includes a stationary lower drum member having a base portion and inner and outer cylindrical portions extending generally upwardly from the base portion to define an internal cavity therebetween. A rotary assembly is rotatably mounted on a rotor shaft coaxial with the lower drum member and has at least one rotary magnetic head mounted thereto for recording digital signals on and reproducing the signals from a magnetic tape wrapped about the drum. A motor for driving the rotary heads, a rotation detector or tach generator for detecting the rotation of the motor, and a multi- channel rotary transformer for transferring digital signals to and from the rotary head are all housed in the cylindrical internal cavity surrounded by the base portion, and inner and outer cylindrical portions of the lower drum member which thereby reduces the overall axial height of the video tape recorder. AS9:2226.APP

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