G - Physics – 11 – B
Patent
G - Physics
11
B
352/23.21
G11B 21/18 (2006.01) G11B 5/53 (2006.01) H04N 5/76 (2006.01)
Patent
CA 1150403
ABSTRACT OF THE DISCLOSURE: In a rotary head assembly for magnetic recording and reproducing apparatus such as VTR sets, of the type comprising a stationary shaft having its one end securely joined to a stationary member, a rotor fitted over the stationary shaft for rotation, a drive means for driving or spinning the rotor and heads mounted on the rotor, the position N of a thrust support for supporting the rotor is so selected as to coincide with the center of gravity & of the rotor or as to be located between the center of gravity G and the center of gravity G1 of the rotor except an aggregate of component parts of said drive means mounted on the rotor, the center of gravity G being depending upon the center of gravity G1 and the center of gravity G2 of the aggregate of component parts mounted on the rotor, whereby the adverse effects of the precession of the rotor on the precision rotation ox spinning thereof can be avoided.
356404
Maruyama Teruo
Morimoto Masato
Gowling Lafleur Henderson Llp
Matsushita Electric Industrial Co. Ltd.
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