Facsimile and static presentation processing – Facsimile – Recording apparatus
Patent
1988-05-27
1989-08-08
Ng, Jin F.
Facsimile and static presentation processing
Facsimile
Recording apparatus
358210, 358100, H04N 718, H04N 530
Patent
active
048558389
ABSTRACT:
An elongated remotely controlled pan and tilt television camera, ideally suitable for inspecting pipeline interiors, is able to be constructed with extremely small transverse dimensions due to compact packaging of control mechanisms disposed in the camera front end inside an optical dome. An outer gimbal is rotatable (i.e., panned) relative to the camera front end and is in the form of a frame within which an inner gimbal is mounted to be rotatable (i.e., tilted) relative to the outer gimbal. A lens, a lens focus control motor and a tilt motor are all mounted on the inner gimbal so as to be movable therewith. The pan motor is positionally fixed in the camera housing and rotates the outer gimbal by means of a drive cable and pulley secured to the outer gimbal. A CCD detector is located remotely from its associated electronics circuitry on a CCD circuit board secured to the inner gimbal so that the detector is movable with the lens and receives an optical image therefrom. The electrical signals representing the image and produced by the detector are processed into appropriate video format by circuitry disposed in fixed position within the camera housing. The lens is an automatic iris lens having its iris control circuitry located remotely from the lens so that a small lens structure may be employed. The CCD board serves as a tie point for all wiring between gimbal-mounted components and positionally fixed components disposed in the camera housing.
REFERENCES:
patent: 2632801 (1953-03-01), Donaldson
patent: 2849530 (1958-08-01), Fleet
patent: 3258595 (1966-06-01), Galante
patent: 3780224 (1973-12-01), Levine
patent: 4600940 (1986-07-01), Sluyter
patent: 4639772 (1987-01-01), Sluyter et al.
patent: 4713697 (1987-12-01), Gotou et al.
Jones David P.
McElroy William D.
Brinich Stephen
Cues, Inc.
Ng Jin F.
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