Facsimile and static presentation processing – Facsimile – Specific signal processing circuitry
Patent
1990-02-15
1991-07-16
Brown, Brian W.
Facsimile and static presentation processing
Facsimile
Specific signal processing circuitry
358108, G03B 2900
Patent
active
050328565
ABSTRACT:
A mount for a pinhole lens camera includes a plate for mounting to a wall or cabinet and an approximately hemispherical shell rotatable relative to the plate. The shell is held at a fixed rotational position relative to the plate with clamp or the like. The camera is held in a tube assembly which is adjustable along a radial slot in the shell in a manner that the entrance pupil of the camera lens, in front of the lens, remains fixed at a point on the center normal line of the plate when the direction of the camera axis is changed. The tube assembly is fixed in position in the slot by clamping with a washer and clamping nut.
REFERENCES:
patent: 3482037 (1969-12-01), Brown et al.
patent: 4346404 (1982-08-01), Gantenbrink
patent: 4350419 (1982-09-01), Bowen
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