Film projector with sound playback or recording

Details Film projector with sound playback or recording Film projector with sound playback or recording

1978-12-11

1980-04-29

Hayes, Monroe H.

Optics: motion pictures

With sound accompaniment

Common picture and sound record carrier systems

352119, G03B 3102

Patent

active

042003636

ABSTRACT:
A motion picture film projector includes a sound head for playing back or for recording a sound track on the film. Absolute synchronism between the picture and sound is assured by the use of a single motor and common shaft to move the film past the sound head and to rotate the optical rectification system. In one embodiment, the sound head is mounted on the concave side of a stationary arcuate film guide opposite the sound track, and the film is driven past the sound head by a sprocket wheel mounted on the common shaft adjacent the optical rectification system.

REFERENCES:
patent: 1834197 (1931-12-01), Zworykin
patent: 2250724 (1941-07-01), Rabinowitz
patent: 3539251 (1970-11-01), Husted et al.
patent: 3964826 (1976-06-01), Joseph et al.
patent: 4029405 (1977-06-01), Stutz
patent: 4087634 (1978-05-01), Fraser

Affiliated with

Also associated with

Rating

Film projector with sound playback or recording does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Film projector with sound playback or recording, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Film projector with sound playback or recording will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1681910