Electricity: motive power systems – Plural diverse motor controls – Running-speed control
Reexamination Certificate
2006-03-28
2006-03-28
Ro, Bentsu (Department: 2837)
Electricity: motive power systems
Plural diverse motor controls
Running-speed control
C318S696000, C463S020000, C273S14300R
Reexamination Certificate
active
07019475
ABSTRACT:
The present invention can accurately stop a reel at a target position and, at the same time, can offer a wide variety of reel stop process. A motor stop control device includes a stepping motor70having two pair of excitation phases as a drive source of a reel which is stopped in response to a manipulation command from the outside and displays a plurality of symbols. The motor stop control device further includes a speed reduction transmission mechanism700which transmits the rotation of the stepping motor70to a rotary shaft which rotates the reel3at a predetermined speed reduction ratio, and a main CPU40which, when a command for stopping the stepping motor70is generated in response to the command from the outside, selects either one of reel stop control processing1which executes a stop control based on all-phase excitation with respect to the stepping motor70and reel stop control processing2which executes a control to reduce a rotational speed of the stepping motor70and, thereafter, executes the stop control based on two-phase excitation with respect to the stepping motor70.
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Aruze Corporation
Ro Bentsu
Snider Ronald R.
Snider & Associates
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