Facsimile and static presentation processing – Facsimile – Specific signal processing circuitry
Patent
1976-04-21
1977-06-07
Griffin, Robert L.
Facsimile and static presentation processing
Facsimile
Specific signal processing circuitry
358107, 358109, 358113, 235 615E, 235 615S, 356152, H04N 718
Patent
active
040287254
ABSTRACT:
A high-resolution vision system comprising remotely positioned image-sensing means, such as a TV camera, and a head-mounted display that is used by an observer to view the image picked up by the remote sensors. Both the sensing means and the display are servo controlled to follow the eye line-of-sight (LOS) of the observer. The eye LOS is characterized by the eye angle of the observer with respect to his head plus the head angle with respect to a reference axis, such as the center line of an aircraft. Because the display follows eye motion by means of a servoed mirror or beamsplitter in front of the eye, the eye always looks at a fixed point on the display. The resolution of the display preferably is increased on the LOS so that the display characteristics closely match the eye, i.e., high resolution on the eye LOS and lower resolution in the peripheral region. This preferably is accomplished by using dual sensing means, such as dual TV cameras, one with a wide and the other with a narrow field of view. The output from these sensing means is processed by head-mounted cathode ray tubes, then optically combined with preferably a 1:1 magnification, and projected into the eye by means of the servoed beamsplitter. In a further embodiment of the invention, the sensing means can be a computer, resulting in optical images that appear fixed in space. Alternately, the computer-generated images can follow head motion.
REFERENCES:
patent: 3051047 (1962-09-01), Fieux
patent: 3205303 (1965-09-01), Bradley
patent: 3211045 (1965-10-01), Gerhard
patent: 3379885 (1968-04-01), Nork
patent: 3542457 (1970-11-01), Balding
patent: 3697154 (1970-10-01), Johnson
patent: 3712716 (1973-01-01), Cornsweet
patent: 3917412 (1975-11-01), Stoutmeyer
Coles Edward L.
Griffin Robert L.
Grumman Aerospace Corporation
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