Method and apparatus for controlling the position of a transport

Details Method and apparatus for controlling the position of a transport Method and apparatus for controlling the position of a transport

1986-04-16

1987-09-08

Stellar, George G.

Dynamic magnetic information storage or retrieval

Automatic control of a recorder mechanism

Controlling the record

226 27, 360 722, 360 723, 360 73, 360 741, 360 744, G11B 1500

Patent

active

046928197

ABSTRACT:
An apparatus and method for controlling the position of a web containing location identifying information thereon. In particular, a means for measuring displacement of the web independent of the location information is employed to measure the displacement of the web in a cyclic manner such that the measuring cycle is in the expected displacement intervals between identifying information. A difference between a desired position of the web determined by an operator controlled reference displacement position of the web is determined, and used for controlling the position of the web to the desired position.

REFERENCES:
patent: 3641504 (1972-02-01), Sidline
patent: 3681523 (1972-08-01), Sidline
patent: 3736565 (1973-05-01), Sidline
patent: 4037260 (1977-07-01), Busby, Jr. et al.
patent: 4062048 (1977-12-01), Weber
patent: 4151566 (1979-04-01), Ohrman
patent: 4363048 (1982-12-01), Tanaka et al.
patent: 4471391 (1984-09-01), Reagan
patent: 4473853 (1984-09-01), Corkery
Journal of the Society of Motion Picture and Television Engineers, vol. 79, No. 3, Mar. 1970, Quadruplex Video-Tape Editing--An Introduction, Joseph Roizen, pp. 177-182.

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