Boots – shoes – and leggings
Patent
1989-01-13
1990-06-12
Lall, Parshotam S.
Boots, shoes, and leggings
364565, 352 12, 360 79, G02B 100, G06F 1520, H02P 546
Patent
active
049338811
ABSTRACT:
A variable speed film transport interlock control system for allowing a plurality of film audio elements to be run in synchronization with each other with at least one film element running at a different selected speed than the other elements and permitting internal generation of quadrature control signals by an internal microprocessor. The system generates a modified drive signal from a selected standard system drive signal or microcomputer generated signal such that the modified signal corresponds to a speed with a fixed ratio to the speed of the selected unprocessed drive signal under all operating conditions. This permits the modified signal to drive a film transport device, such as a recorder or reproducer, at a different speed than other transport devices while maintaining synchronization with the other devices during forward or reverse, stopping and starting, high speed or low speed operation. In addition, the internal generation of quadrature signals enables the system operator to independently advance or reverse film transport devices to permit searching for a preselected cue point.
REFERENCES:
patent: 2993408 (1961-07-01), Cook
patent: 3230307 (1966-01-01), Bounsall
patent: 3463877 (1969-08-01), Crum
patent: 3662121 (1972-05-01), Cruger
patent: 3691544 (1972-09-01), Gallina
patent: 3707253 (1972-12-01), Brill et al.
patent: 3740125 (1973-06-01), Harris
patent: 3751142 (1973-08-01), Roller
patent: 3772473 (1973-11-01), Parham
patent: 3804497 (1974-04-01), Ogiso et al.
patent: 3856389 (1974-12-01), Gardner
patent: 3912383 (1975-10-01), Stutz
patent: 3926511 (1975-12-01), Gendrot et al.
patent: 3938194 (1976-02-01), Freudenschuss
patent: 3979774 (1976-09-01), Chen et al.
patent: 4050794 (1977-09-01), Shields, Jr.
patent: 4115824 (1978-09-01), Mindell
patent: 4214278 (1980-07-01), Hunt et al.
patent: 4215920 (1980-08-01), Butler
patent: 4281388 (1981-07-01), Friend et al.
patent: 4363048 (1982-12-01), Tanaka et al.
patent: 4405217 (1983-09-01), Brant
patent: 4427292 (1984-01-01), Buchanan
patent: 4491879 (1985-01-01), Fine
patent: 4553176 (1985-11-01), Mendrala
patent: 4578755 (1986-03-01), Quinn et al.
patent: 4587572 (1986-05-01), DiGiulio
patent: 4639884 (1987-01-01), Saques
patent: 4719575 (1988-01-01), Gnuechtel
patent: 4815013 (1989-03-01), Schmidt
"A Microprocessor Controlled Computer Tachometer", Zeiss-Inform No. 25, Sep. 1981, pp. 26-51.
Lall Parshotam S.
Ramirez Ellis B.
Universal Recording Corporation
LandOfFree
Variable speed film transport interlock system does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Variable speed film transport interlock system, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Variable speed film transport interlock system will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-622421