Multispectral data sensor and display system

Claim 2

Display system for sensing first and second images derived from a scene and comprising respectively first and second spectral bands, and for displaying the first and second images to provide easy recognition of the information contained in each of the first and second spectral bands, said display system comprising: first sensor means for sensing the first radiation image of the first spectral band and for providing a first video signal corresponding thereto; second sensor means for sensing the second radiation image of the second spectral band and for providing a second video signal corresponding thereto; circuit means responsive to the first and second video signals for varying the amplitude of the second signal as a function of the first signal; and display means responsive to the first video signal for displaying in black and white the first image (in a first mode) and responsive to the second signal as varied for displaying the second image (in a second mode) in color, whereby the hues of the colored second image are substantially independent of the amplitude of the first signal.

Claim 3

Display system as claimed in claim 1, wherein said display means comprises first, second and third electron guns for directing respectively first, second and third electron beams onto a display surface having the property of generating in response to the first, second and third electron beams radiation of the red, green and blue wavelengths, respectively.

Claim 4

Display system as claimed in claim 2, wherein said circuit means applies in the absence of the second video signal selected portions of the first video signal to said first, second and third electron guns to generate corresponding electron beams onto the display surface, so that a black and white image is displayed thereon.

Claim 5

DisplaY system for sensing first and second images derived from a scene and comprising respectively first and second spectral bands, and for displaying the sensed images to provide easy recognition of the information contained in each of the first and second spectral bands, the scene including a first object having a high temperature relative to a selected temperature and a second object having a low temperature relative to the selected temperature, said display system comprising: first sensor means for sensing a first radiation image derived from the scene of the first spectral band and for providing a first video signal corresponding thereto; second sensor means for sensing a second radiation image derived from the scene of the second spectral band and for providing a second video signal corresponding thereto; display means responsive to the first video signal in the absence of the second video signal for displaying the first image in black and white the responsive to the second video signal for superimposing color onto the black and white image dependent upon the second video signal, said display means comprising an electron discharge device having at least first and second electron guns for directing first and second electron beams onto a display surface respectively; and circuit means coupled to said first and second sensor means for supplying selected portion of the first video signal to said first and second electron guns to emit electron beams of corresponding intensities to provide the black and white picture in the absence of the second video signal and for processing the second video signal so that its amplitude varies about a predetermined level corresponding to the selected temperature and having a positive amplitude with respect to the reference level corresponding to the first object and having a negative amplitude with respect to the reference level corresponding to the second object.

Claim 6

DisplaY system for sensing first and second images derived from a scene and comprising respectively first and second spectral bands, and for displaying the sensed images to provide easy recognition of the information contained in each of the first and second spectral bands, the scene including a first object having a high temperature relative to a selected temperature and a second object having a low temperature relative to the selected temperature, said display system comprising: first sensor means for sensing a first radiation image derived from the scene of the first spectral band and for providing a first video signal corresponding thereto; second sensor means for sensing a second radiation image derived from the scene of the second spectral band and for providing a second video signal corresponding thereto; display means responsive to the first video signal in the absence of the second video signal for displaying the first image in black and white the responsive to the second video signal for superimposing color onto the black and white image dependent upon the second video signal, said display means comprising an electron discharge device having at least first and second electron guns for directing first and second electron beams onto a display surface respectively; and circuit means coupled to said first and second sensor means for supplying selected portion of the first video signal to said first and second electron guns to emit electron beams of corresponding intensities to provide the black and white picture in the absence of the second video signal and for processing the second video signal so that its amplitude varies about a predetermined level corresponding to the selected temperature and having a positive amplitude with respect to the reference level corresponding to the first object and having a negative amplitude with respect to the reference level corresponding to the second object.

Claim 7

The display system as claimed in claim 4, wherein the processed second video signal is applied in selected proportion to each of said first and second electron guns to display upon said display surface (a) the first object in a first hue and (a) the second object in a second, different hue.

Claim 8

Display system for sensing first and second images derived from a scene and comprising respectively first and second spectral bands, and for displaying the first and second images to provide easy recognition of information contained in each of the first and second spectral bands, said display system comprising: first sensor means for sensing the radiation image of the first spectral band and for providing a first video signal correspnding thereto; second sensor means for sensing the radiation image of the second spectral band and for providing a second video signal corresponding thereto; circuit means responsive to the first and second video signals for varying the amplitude of the second signal as a function of the first signal; and display means responsive to the first video signal for displaying the first image in a first mode and responsive to the second signal for displaying the second image in a second mode substantially independent of the amplitude of the first signal, said display means comprising first, second and third electron guns for directing respectively first, second and third electron beams onto a display surface having a property of generating in response to the first, second and third electron beams radiation of the red, green and blue wave lengths, respectively; said circuit means in said first mode applying in the absence of the second video signal selected portions of the first video signal to said first, second and third electron guns to generate corresponding electron beams onto the display surface so that a black and white image is displayed thereon and in the second mode, intensifying electron emission of said first electron gun in response to a positive portion of the second video signal and intensifying electron emission Of at least said second electron in response to a negative portion of the second video signal.

Claim 9

Display system for sensing first and second images derived from a scene and comprising respectively first and second spectral bands, and for displaying the first and second images to provide easy recognition of information contained in each of the first and second spectral bands, said display system comprising: first sensor means for sensing the radiation image of the first spectral band and for providing a first video signal correspnding thereto; second sensor means for sensing the radiation image of the second spectral band and for providing a second video signal corresponding thereto; circuit means responsive to the first and second video signals for varying the amplitude of the second signal as a function of the first signal; and display means responsive to the first video signal for displaying the first image in a first mode and responsive to the second signal for displaying the second image in a second mode substantially independent of the amplitude of the first signal, said display means comprising first, second and third electron guns for directing respectively first, second and third electron beams onto a display surface having a property of generating in response to the first, second and third electron beams radiation of the red, green and blue wave lengths, respectively; said circuit means in said first mode applying in the absence of the second video signal selected portions of the first video signal to said first, second and third electron guns to generate corresponding electron beams onto the display surface so that a black and white image is displayed thereon and in the second mode, intensifying electron emission of said first electron gun in response to a positive portion of the second video signal and intensifying electron emission Of at least said second electron in response to a negative portion of the second video signal.

Claim 10

Display system as claimed in claim 6, wherein said circuit means is responsive to the positive (proportion) portion of the second video signal to intensify electron emission of said first electron gun and to decrease the intensity of elecron emission of said second and third electron guns and responsive to that negative portion of the second video signal to intensify the electron emission of said second and third electron guns and to decrease the intensity of electron emission from said first electron gun.