发明名称 |
Process and apparatus for measuring an object space |
摘要 |
A process and an apparatus for measuring an object space using an opto-electronic range finder which operates according to a method of determining the time-of-flight of a signal comprise a first measuring step including transmitting optical transmitter signals in form of a beam of a predetermined first divergence angle, receiving optical signals reflected from an object and evaluating a distance value, while scanning the object space. After or before this first take-up step follows a second one wherein reference marks in the object space are taken up with a using an enlarged divergence angle so as to detect reliably the reference marks. The apparatus comprises, accordingly, appropriate devices for varying the divergence angle.
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申请公布号 |
US6879384(B2) |
申请公布日期 |
2005.04.12 |
申请号 |
US20020322521 |
申请日期 |
2002.12.19 |
申请人 |
RIEGL LASER MEASUREMENT SYSTEMS, GMBH |
发明人 |
RIEGL JOHANNES;REICHERT RAINER;STUDNICKA NIKOLAUS;ULLRICH ANDREAS |
分类号 |
G01B11/03;G01C15/00;G01S7/481;G01S17/10;G01S17/42;G01S17/89;(IPC1-7):G01C3/08;G01B11/26;G01B11/24;G06K9/00 |
主分类号 |
G01B11/03 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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