| 摘要 |
<p>PROBLEM TO BE SOLVED: To recognize the number of displayed merchandises by detecting and counting a number at the time of inserting and drawing the displayed merchandises to/from a merchandise displaying bar-shaped guide which is fixed in one side, with non-contact. SOLUTION: A counting device has such a structure that a detecting part which is arranged through the use of a Hall element 1 is incorporated in a guide inner cylinder tip so as to be inserted to the inner side of the bar-shaped guide as the detecting part and insertion to the bar-shaped guide 6 is executed. In the merchandise, a small magnet 3 is fitted to the individual displayed merchandise, the displayed merchandise are inserted or drawn to/from the bar- shaped guide 6 or fixed and the guide inner cylinder is inserted to or drawn from the bar-shaped guide 6. Thus, signal detected by the Hall element 1 is converted into a countable signal so as to display the number of displayed merchandises to be counted, etc.</p> |
