发明名称 FOTOELEKTRISK ANORDNING TIL AVFOELING AV HINDER VED MASKINER, AUTOMATISK MANOEVRERTE PORTER, SELVGAAENDE TRUCKER O.L.
摘要 <p>An object sensing apparatus includes a plurality of light emitting diodes for illuminating a region of space and a plurality of closely arranged light detectors for receiving light reflected from an object. The apparatus is particularly useful in connection with automatically operated doors.</p>
申请公布号 NO801606(A) 申请公布日期 1980.12.01
申请号 NO19800001606 申请日期 1980.05.30
申请人 JOENSSON, BERT OVE, 发明人 JOENSSON, BERT OVE,
分类号 G01S17/93;E05F15/20;G01S7/48;G01S17/02;G01S17/87;G01V8/20;(IPC1-7):01S/ 主分类号 G01S17/93
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