| 摘要 |
FIELD: information technology. ^ SUBSTANCE: CD player drive comprises a CD loading system fitted with a CD pneumatic clutch system which holds the CD in a fixed state during operation. The loading system comprises a pneumatic chamber with an annular slit on the working surface and a compressed air supply system. The drive also has an optical reading head system mounted on a flat-faced pulley which is rotated around its axis by a mechanical drive, wherein the mechanical drive comprises an electric motor on whose shaft there is a half-coupling with working fingers and a belt around the flat-faced pulley. The belt is elastic but rigid in the longitudinal direction. ^ EFFECT: higher quality of reading information, low or almost complete elimination of roar, almost complete elimination of oscillation of the CD. ^ 7 dwg |
