Method and apparatus for synchronizing the reading of...

Details Method and apparatus for synchronizing the reading of... Method and apparatus for synchronizing the reading of...

G - Physics

03

B

88/62, 352/32.2

G03B 31/04 (2006.01)

Patent

CA 1114210

ABSTRACT OF THE DISCLOSURE The sound support comprises an address track with coded words dividing the sound support into consecutive sections, each associated with a particular address. The positioning of the sound support is controlled in such a manner as to advance a section of the sound support bearing a predetermined address, to the level of a reading head. The video support comprises images, each associated with a particular address, and its positioning is controlled so as to advance in front of a projection gate an image having a predetermined address. The simultaneous running of the sound and video supports are then controlled, the speed of image projection being able to vary and being controlled according to pre-recorded instructions on a control data support, the access to which is neither related to the advance motion of the sound support nor to the image support.

316982

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