| 摘要 |
1,184,355. Photo-electric detection system. SAAB A.B. May 4, 1967 [May 5, 1966], No.20812/67. Heading G1A. [Also in Division F3] A light detector 18, which co-operates with a laser transmitter in a gunnery target arrangement, (see Division F3), comprises a non transparent casing 32 supporting an optical element 33 comprising two transparent bodies 34, 35 and a reflecting layer 36 there between, the shape of the layer being such as to reflect on to a sensitive light transducer 38 laser beams entering the elements from directions between 15 degrees above and below the horizontal. |
