OPTICAL SYSTEM Russian patent published in 1997 - IPC

FIELD: optical and electronic equipment. SUBSTANCE: optical system has two focusing members between which two-side radiation receiver is installed. First and second mirrors are arranged in front of first and second focusing members, respectively, at angle to optical axis of focusing members. Optical system is capable of simultaneous reception of two parallel beams from remote radiation source by photoreceiver. Focusing members may be mirror-like. Modulator may be positioned on one of optical axes. Radiation receiver output is connected to image indicator through two-channel electronic unit. Image indicator is provided with two interconnected deflecting systems. EFFECT: more effective design. 17 cl, 4 dwg