Rotary magnetic head drum apparatus

Details Rotary magnetic head drum apparatus Rotary magnetic head drum apparatus

G - Physics

11

B

352/23.21

G11B 5/58 (2006.01) G11B 15/61 (2006.01) G11B 21/10 (2006.01)

Patent

CA 1188412

ABSTRACT OF THE DISCLOSURE A rotary magnetic head drum apparatus of a helical scan type video tape recorder has respective small projecting members provided on a fixed drum of a rotary magnetic head assembly in the vicinity of switching positions at the entrance and exit sides for a magnetic tape. The members cause the magnetic tape locally to be displaced radially outward from the surface of the fixed drum so as to reduce longitudinal vibration of the magnetic tape and hence reduce impact error in a signal reproduced from the magnetic taps by two rotary magnetic heads.

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