| 摘要 |
<p>PURPOSE:To measure an average stay time of vsitors within a specific time of entrance start to end on the measurement device which measures an average time in which many visitors for the entrance of facilities of a department store, an exposition and the like are stayed therein. CONSTITUTION:An outgoer number measurement means 15 for counting the frequency of leaving signals per unit time, a time difference operation means 17 for reading the entrance time of visitors of the same order as outgoers corresponding to said leaving signals from an entrance time storing means 16 to calculate the difference between the entrance and leaving times, a time difference accumulation means 18 for accumulating the output time difference from said time difference operation means 17, and a division means 23 in which the accumulated value of said time difference that the time difference accumulation means 18 outputs when the unit time is measured and finished in a timekeeper device 22 is divided by the number of the outgoers per unit time which the outgoer number measurement means 15 outputs are provided and the output of said division means 23 is shown on a display 5.</p> |
