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Multispectral camera

阅读:825发布:2022-06-10

专利汇可以提供Multispectral camera专利检索,专利查询,专利分析的服务。并且A multispectral camera simultaneously forms four black-and-white pictures of the same subject on s strip of photographic film. A different region of the electromagnetic spectrum is primarily employed in forming each picture. Simultaneously with the forming of the pictures, penlights mounted in the camera form on the film a number of fiducial marks associated with each picture. In projecting the pictures for viewing after they are developed, an additive color viewer is used having a separate projection lens for each picture, the lenses being movable with three degrees of freedom so that the projected images of the fiducial marks can be made to coincide. In this way, the projected images of the four pictures are accurately superimposed to produce a composite image in true or false color.,下面是Multispectral camera专利的具体信息内容。

1. In a multispectral photographic camera for forming four related pictures on photographic film, the improvement wherein the camera comprises four lenses so arranged that the principal points, defined by the intersections of the optical axes of said lenses with said photographic film, define a parallelogram which has two acute and two obtuse angles and further comprises a focal-plane shutter with four slit apertures so arranged that, when said shutter is actuated, said pictures are all formed simultaneously.
1. In a multispectral photographic camera for forming four related pictures on photographic film, the improvement wherein the camera comprises four lenses so arranged that the principal points, defined by the intersections of the optical axes of said lenses with said photographic film, define a parallelogram which has two acute and two obtuse angles and further comprises a focal-plane shutter with four slit apertures so arranged that, when said shutter is actuated, said pictures are all formed simultaneously.
2. A camera as in claim 1 wherein the adjacent legs of the parallelogram are unequal.
3. A camera as in claim 1 including a plurality of light sources mounted in said camera, at least one of said light sources corresponding to each picture, each of said light sources forming a fiducial mark on said film, there being at least one fiducial mark in a known location with respect to each picture.
4. A camera according to claim 3 wherein said light sources are of equal intensity and said fiducial marks are of equal density.
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