Night vision binocular

G - Physics – 02 – B

Patent

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G02B 23/12 (2006.01) G02B 7/02 (2006.01)

Patent

CA 2168127

A night vision binocular assembly capable of converting low light and infrared energy into a visible image. The night vision binocular assembly includes at least one objective lens assembly (62), image intensifier tube (64), collimator lens assembly (66), and diopter cell assemblies (68, 70) encased in an easy to waterproof housing (16). The objective lens assembly, image intensifier tube, collimator lens assembly, and diopter cell assembly are all supported by a common base structure (80) within the housing. As a result, variations caused by thermal expansions and contrations are evenly distributted among the various optical elements, thereby preserving a predetermined optical relationship between those elements.

Un agencement de binoculaire pour vision de nuit est capable de convertir une lumière faible et une énergie infrarouge en une image visible. L'agencement binoculaire pour vision de nuit comporte au moins un agencement de lentille d'objectif (62), un tube pour intensifier l'image (64), un agencement de lentille de collimation (66), et des agencements de cellules de visée (68, 70), disposés dans un logement facile à rendre étanche (16). L'agencement de lentille d'objectif, le tube pour intensifier la lumière, l'agencement de lentille de collimation et les agencements de cellules de visée sont tous portés par une structure commune servant de base (80) se trouvant dans le logement. Dans ces conditions, les variations dues aux expansions et aux contractions thermiques sont réparties d'une manière régulière entre les différents éléments optiques, ce qui permet de maintenir une relation optique prédéterminée entre ces éléments.

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