Facsimile and static presentation processing – Static presentation processing – Attribute control
Patent
1982-05-10
1985-02-12
Martin, John C.
Facsimile and static presentation processing
Static presentation processing
Attribute control
358108, 358225, H04N 700, H04N 718, H04N 526
Patent
active
044994907
ABSTRACT:
Apparatus for moving a mirror about a horizontal axis and a vertical axis so that the mirror can scan in all directions and up and down to receive light rays representing images of distant objects and to direct the light rays to a video camera adjacent thereto. The video camera is in a fixed position in a housing and faces upwardly in optical alignment with the center of the mirror. A pair of vertically spaced ring gears are mounted in the housing for rotation relative to the video camera, and a pair of drive motors are coupled with respective ring gears for rotating the same in opposed directions relative to each other. One of the ring gears has a pair of posts which extend upwardly and terminate at the sides of the mirror. The mirror has a pair of stub shafts rotatably mounted in the upper ends of the post so that the mirror can rotate about a horizontal axis even as the first ring gear rotates about the vertical axis of the mirror. A worm gear assembly is coupled to one of the stub shafts of the mirror and extends downwardly and is coupled to the other ring gear so that rotation of the second ring gear causes the mirror to rotate about its horizontal axis. A transparent window surrounds the mirror and allows scanning movement of the mirror continuously in one direction and through an arc in a vertical plane having an angle in the range of 45 degrees to 90 degrees.
REFERENCES:
patent: 2905758 (1959-09-01), Walker
patent: 3505465 (1970-04-01), Rees
patent: 3780224 (1973-12-01), Levine
patent: 3868706 (1975-02-01), Steingold
patent: 3959582 (1976-05-01), Law et al.
patent: 4024573 (1977-05-01), Carnes
Kostak Victor R.
Martin John C.
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