Winding – tensioning – or guiding – Unwinding and rewinding a machine convertible information... – Automated stop or reverse
Patent
1995-05-31
1997-11-04
Nguyen, John Q.
Winding, tensioning, or guiding
Unwinding and rewinding a machine convertible information...
Automated stop or reverse
2423333, 2423335, 2423345, 348 96, G03B 2143, G03B 2150, G11B 1500, H04N 5253
Patent
active
056830530
ABSTRACT:
Film transport apparatus for a cine-video system in which video signals are produced from film that is driven between supply and take-up reels. The film, which may be wound in A or B configuration on each reel, is threaded automatically about a film drive mechanism which transports the film from the supply reel, through a film gate to the take-up reel. Tensioning apparatus imparts tension to the film at the entry and exit of the film gate which, during the threading operation, causes the respective reels to rotate before film actually is transported therebetween. The direction in which each reel rotates to unwind film therefrom when tension is imparted serves to identify whether the film is wound in A or B configuration. Advantageously, a programmable processor controls the film transport speed in response to a user-actuated knob; and this same processor serves to detect when the film approaches its end on the supply or take-up reel.
REFERENCES:
patent: 3117183 (1964-01-01), Mullin
patent: 3405857 (1968-10-01), Albrecht
patent: 3454714 (1969-07-01), Henriksen et al.
patent: 3606201 (1971-09-01), Petusky
patent: 3666204 (1972-05-01), Gysling
patent: 3672600 (1972-06-01), Carlson et al.
patent: 3718289 (1973-02-01), Alaimo
patent: 3769457 (1973-10-01), Valenta, Jr. et al.
patent: 3825675 (1974-07-01), Bradford et al.
patent: 3856990 (1974-12-01), Favreau et al.
patent: 4281351 (1981-07-01), Poetsch et al.
patent: 4319280 (1982-03-01), Roos et al.
patent: 4341363 (1982-07-01), Inatome
patent: 4356514 (1982-10-01), Armstrong et al.
patent: 4597547 (1986-07-01), Tarpley, Jr. et al.
patent: 4696440 (1987-09-01), Harigaya et al.
patent: 4739948 (1988-04-01), Rodal et al.
patent: 5039027 (1991-08-01), Yanagihara et al.
Baron Michael L.
Doliton Michael
Foung Paul
Gunday Erhan H.
Ishmael Erwin P.
Frommer William S.
Nguyen John Q.
Sinderbrand Alvin
Sony Corporation
Sony Electronics Inc.
LandOfFree
Cine-video film transport apparatus having film supply and take- does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Cine-video film transport apparatus having film supply and take-, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Cine-video film transport apparatus having film supply and take- will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1826559