MULTIFUNCTIONAL OPTICAL SENSOR COMPRISING A PHOTODETECTORS MATRIX COUPLED TO A MICROLENSES MATRIX
First Claim
1. A multifunctional optical sensor, comprising a matrix of photodetectors of the CCD or CMOS type, having a sensitive area divided into sub-areas, each of which, individually or combined with others, is dedicated to a specific function of monitoring the scene or measuring environmental parameters, said optical sensor comprising a matrix of microlenses, each microlens being set to focus the radiation coming from a portion of solid angle on the associated photodetector or cluster of mutually contiguous photodetectors, each function being associated to a single microlens or to a single subgroup of mutually contiguous microlenses or to multiple, not mutually contiguous microlenses or to not mutually contiguous subgroups of microlenses, the contiguous photodetectors able to be associated to a function defining a sub-area (ROI or Region Of Interest) the angular separation between the central directions of the portions of solid angle subtended by adjacent photodetectors or adjacent clusters of photodetectors being not constant within the matrix.
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Abstract
Multifunctional optical sensor, comprising a matrix of photodetectors of the CCD or CMOS type, having a sensitive area divided into sub-areas, each of which, individually or combined with others, is dedicated to a specific function of monitoring the scene or measuring environmental parameters. The optical sensor comprises a matrix of microlenses, each of which is set to focus the radiation coming from a portion of solid angle on the associated photodetector or cluster of mutually contiguous photodetectors. Each function is associated to a single microlens or to a single subgroup of mutually contiguous microlenses or to multiple, not mutually contiguous microlenses or to multiple, not mutually contiguous subgroups of microlenses. The angular separation between the central directions of the portions of solid angle subtended by adjacent photodetectors or adjacent clusters of photodetectors is not constant within the matrix.
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29 Claims
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1. A multifunctional optical sensor, comprising a matrix of photodetectors of the CCD or CMOS type, having a sensitive area divided into sub-areas, each of which, individually or combined with others, is dedicated to a specific function of monitoring the scene or measuring environmental parameters,
said optical sensor comprising a matrix of microlenses, each microlens being set to focus the radiation coming from a portion of solid angle on the associated photodetector or cluster of mutually contiguous photodetectors, each function being associated to a single microlens or to a single subgroup of mutually contiguous microlenses or to multiple, not mutually contiguous microlenses or to not mutually contiguous subgroups of microlenses, the contiguous photodetectors able to be associated to a function defining a sub-area (ROI or Region Of Interest) the angular separation between the central directions of the portions of solid angle subtended by adjacent photodetectors or adjacent clusters of photodetectors being not constant within the matrix.
Specification