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Title:
ROTATIONAL DRIVE DEVICE OF ROTARY STOCKER TRAY
Document Type and Number:
Japanese Patent JP3444772
Kind Code:
B2
Abstract:

PROBLEM TO BE SOLVED: To provide a rotational drive device of a rotary stocker tray eliminating the interruption of the continuous musical performance even when the driving failure is caused during the rotational driving operation of the rotary stocker tray.
SOLUTION: An address number corresponding to a predetermined objective position is specified by a key switch 11, and the rotation of the rotary stocker tray 2 by a motor drive circuit 12 of the rotary stocker tray 2 is controlled with a rotation control part 103 so that the position of this specified address number is made to correspond to the objective position. When the driving failure is detected by a detection part 104 in the process of driving, the driving direction of the rotation of the rotary stocker tray 2 by the motor driving circuit 12 of the rotary stocker tray is changed over in a changeover circuit part 105, then the rotary stocker tray 2 is driven in the reverse direction and driven up to the objective position.


Inventors:
Toshihiko Nagata
Application Number:
JP33666097A
Publication Date:
September 08, 2003
Filing Date:
November 21, 1997
Export Citation:
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Assignee:
Kenwood Corporation
International Classes:
G11B17/24; G11B19/04; (IPC1-7): G11B17/24
Domestic Patent References:
JP982016A
JP2152064A
JP8106706A
Attorney, Agent or Firm:
Nobuo Sunako