Optics: motion pictures – Removable film strip magazine type
Patent
1989-06-28
1990-08-28
Brown, Brian W.
Optics: motion pictures
Removable film strip magazine type
354293, 352243, 2481231, 248178, 248364, G03B 2900
Patent
active
049529536
ABSTRACT:
This invention relates to an arrangement for displacing a camera (3) along a track (1), the camera being supported by a carriage (4) which can be moved along the track. The invention eliminates the disadvantages of prior art devices in which the track is supported at both ends. According to the invention the track (1) is instead centrally supported in one point, conveniently a standard type camera stand (2). This has been made possible thanks to the fact that the combined weight of the camera (3) and the camera carriage (4) is balanced by the weight of a counterweight (6) which is positively governed for movement along the track in the opposite direction of the travel direction of the camera unit.
REFERENCES:
patent: 2545465 (1951-03-01), Hough
Osterman Johan
Ridderstolpe Johan
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