Appeal No. 1997-3964
Application No. 08/319,658
As a result, the ROM 46 inputs the signals D1
and D and outputs the appropriate motor control
2
signal D , comparison signal D , and particular mode23
4
signal D . . . . Consequently, the motor control
5
circuit 47 inputs the signal D . . . and rotates the
3
motor M in a forward direction (Fig. 4).
1
The instant before the motor M begins rotating,
1
the position detection signal D output from the
s
switches 49a and 49b . . . indicates that the mode
changing mechanisms are located in a position
corresponding to the STOP mode. As a result, the
comparator 48 compares the signal D . . . with the
4
signal D . . . and outputs a match signal which
s
equals 0. However, when the motor M moves the first
1
mode changing mechanism to the position
corresponding to the PB mode, the value of the
position detection signal D output by the switches
s
49a and 49b equals 8 (1000). Therefore, the
comparator determines that the signal D equals the
s
comparison signal D and outputs a match signal which
4
equals 1.
As a result, the latch 50 inputs the match
signal . . . . As a result, the motor control
circuit 47 instructs the motor M to stop rotating,
1
and the mode changing mechanisms remain in a
position which corresponds to the PB mode.
Based upon the foregoing, we see that Teranishi is
concerned with discriminating the operating mode of a
mechanism having a forwardly and reversely rotatable motor M1
for generating power to switch operating modes. The mode
signal D , and the control signal D are detected according to1 3
a switched mode of the mode setting mechanism 41. The signal
5
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Last modified: November 3, 2007