Static infrared panoramic watching device with multiple matrix d

Details Static infrared panoramic watching device with multiple matrix d Static infrared panoramic watching device with multiple matrix d

1995-11-17

1997-05-06

Porta, David P.

Radiant energy

Infrared-to-visible imaging

Including means for scanning field of view

250332, G02B 2610

Patent

active

056273746

ABSTRACT:
It is sought to obtain efficient detection and tracking capacity by a particular form of organization including a micro-scanning device common to all the detectors. In one embodiment, the disclosed device includes of a frame with a shape generated by revolution around an elevation axis. This frame bears afocal optical sets coupled respectively to optical focusing sets to project the light fluxes coming from the scenes observed and to form images on fixed detectors. Prisms, with a predetermined angle at the vertex and a predetermined orientation, are distributed in a circle on a rotational drum with an axis that is identical with the elevation axis so that, during the rotation of the drum, each prism intercepts the observation flux in the form of parallel beams and deflects it so as to prompt a virtual shift of the sensors of each detector corresponding to a micro-scanning step. Such an operation may find particular application to panoramic imaging, in particular to simultaneous observation by several operators.

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