发明名称 |
surveying instrument having an optical distance meter and an autofocus system, and a surveying instrument having a detachable autofocus system |
摘要 |
A surveying instrument includes a sighting telescope optical system, a distance measuring system which outputs first data, a phase detection autofocus system which and outputs second data, and an AF driver which moves a focusing lens of the sighting telescope optical system to bring the sighting object into focus in accordance with one of the first data and the second data. A surveying instrument is also disclosed, which includes a sighting telescope and an AF drive unit which is provided separately from the sighting telescope, wherein the AF drive unit can be mounted to and dismounted from a body of the surveying instrument.
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申请公布号 |
US2002040959(A1) |
申请公布日期 |
2002.04.11 |
申请号 |
US20010938663 |
申请日期 |
2001.08.27 |
申请人 |
ASAHI SEIMITSU KABUSHIKI KAISHA TOKYO, JAPAN |
发明人 |
KANEKO KENJI;SUZUKI SHINICHI;TAKAYAMA HOMU;HOSHINO TADAHISA;YACHI TAKANORI;UENO MASAYUKI |
分类号 |
G01C15/00;G01S7/481;G01S17/88;G02B7/28;(IPC1-7):G02B27/00 |
主分类号 |
G01C15/00 |
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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