PSEUDO BINOCULAR NIGHT GOGGLES Russian patent published in 2004 - IPC

FIELD: night vision devices; infra-red imaging.

SUBSTANCE: goggles have input lens, electro-optical transducer and pseudo binocular system which has in turn magnifier and right-angle prism which integrates two identical optical branches at output of the prism. One more magnifier, indicator and photoreceiving array removable module are introduced additionally. There is infra-red objective at input of photoreceiving array. Output of objective is connected to input of indicator. Right-angle prism is mounted for 90 deg rotation in relation to optical axis of pseudo binocular system. Focal lengths of additional magnifier, magnifier of pseudobinocular system and infra-red objective meet the relations given in invention formula. Binocular vision goggles are able to work any time of day and night at any weather conditions including smoke and dust and to provide detection and identification of infra-red images at low contrasts of temperature of background elements.

EFFECT: improved efficiency of operation.

1 dwg