发明名称 |
Distance-measuring system with in-range signalling for use with cameras, alarms, and the like |
摘要 |
A distance measuring system generates an in-range signal when an object is located within a range of focus or a zone of protection, as the case may be. The system utilizes a single infrared transmitter and two receivers in order to determine the position of the object by triangulation.
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申请公布号 |
US4345827(A) |
申请公布日期 |
1982.08.24 |
申请号 |
US19800188600 |
申请日期 |
1980.09.19 |
申请人 |
AGFA-GEVAERT AKTIENGESELLSCHAFT |
发明人 |
STEMME, OTTO;LERMANN, PETER;COCRON, ISTVAN |
分类号 |
G03B13/36;G01C3/06;G01S13/08;G01S17/08;G02B7/32;G08B13/181;G08B17/103;(IPC1-7):G03B7/08 |
主分类号 |
G03B13/36 |
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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