| 摘要 |
<P>PROBLEM TO BE SOLVED: To enable a plurality of simultaneous distance measurements of a plurality of objects to be measured, and to enable distance measurement of the adjacent object to be measured. <P>SOLUTION: A distance measuring apparatus comprises a light source 6 for emitting a pulse laser light beam having a predetermined spread angle; a light-receiving section 9 for receiving reflection lights 36' from one or more objects 11 to be measured; a light reception control circuit; and a ranging section 32 for obtaining the measured data of the objects to be measured, based on the initial light reception signal from the light-receiving section. If the light-receiving section receives two or more reflected lights from one pulse laser light beam, the ranging section detects the light reception signal, obtained initially from one pulse laser light beam. A controlling/calculating section restricts the detection of the light reception signal, after at least one light reception signal has been detected; controls the light reception controlling circuit so as to detect the light reception signal obtained initially, after light emission other than the restricted detection; discriminates the light reception signal for each light emission pulse; detects the light reception signal; and respectively measures the distances to a plurality of the objects to be measured, based on the discriminated light reception signal. <P>COPYRIGHT: (C)2008,JPO&INPIT |
