| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To recognize the stability of a photo-electric sensor without preparing an oscilloscope or the like. <P>SOLUTION: In an operation mode, "first time width"×"second time width" is displayed on first and second display sections 17 and 18. The "first time width"×"second time width" can be set at any display mode based on a user's selection: (1) "ON time width"×"OFF time width"; (2) the hold display of "maximum value of ON time width"×"minimum value of ON time width"; (3) the hold display of "maximum value of OFF time width"×"minimum value of OFF time width"; and (4) the hold display of "maximum value of time width of one ON/OFF cycle"×"minimum value of time width of one ON/OFF cycle". <P>COPYRIGHT: (C)2007,JPO&INPIT</p> |
