Magnetic head for a video tape recorder having optimized core ti

Details Magnetic head for a video tape recorder having optimized core ti Magnetic head for a video tape recorder having optimized core ti

1989-11-28

1991-07-23

Tupper, Robert S.

Dynamic magnetic information storage or retrieval

Head

Head surface structure

360121, G11B 5187

Patent

active

050348400

ABSTRACT:
A magnetic head for a video tape recorder including a mounting base and two transducer elements comprised of a pair of core tips mounted to one end of the mounting base with a small non-transducing gap defined between the core tips. Each of the core tips has a tape sliding surface on which a magnetic tape is slidingly traveled. A radius of curvature R (mm) of the tape sliding surface and a distance W (mm) between the tape sliding surfaces are so set as to satisfy the conditions of 19.5-20W .ltoreq.R.ltoreq.21.5-20W and 0.15.ltoreq.W.ltoreq.0.45. Accordingly, a quantity of sinking of the magnetic tape at the gap between both the core tips is limited to thereby reduce a noise in a special reproducing operation such as a reverse video search operation.

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