Dual sound system

Details Dual sound system Dual sound system

1973-11-30

1976-06-22

Hayes, Monroe H.

Optics: motion pictures

With sound accompaniment

Selectively operable plural records, recorders or reproducers

352133, 352134, 352 27, 360109, G03B 3102

Patent

active

039648265

ABSTRACT:
A Super-8 mm. movie film with two amplitude modulated optical sound tracks, one in each margin of the film. A method for optically recording and reproducing audio information with high fidelity on a very narrow sound track. A scanning apparatus has lens and masks which accurately define and direct a light beam on the film sound track for high fidelity reproduction.

REFERENCES:
patent: 1618641 (1927-02-01), DeForest
patent: 1714443 (1929-05-01), Pineschi
patent: 1847267 (1932-03-01), Scheibell
patent: 1888293 (1932-11-01), Schoenberg
patent: 1925919 (1933-09-01), Drew
patent: 1942066 (1934-01-01), Owens
patent: 1958996 (1934-05-01), Hansen
patent: 1989836 (1935-02-01), Whitman
patent: 2432123 (1947-12-01), Potter
patent: 2443004 (1948-06-01), Horwitz
patent: 2901940 (1959-09-01), Kuhnert
patent: 3508816 (1970-04-01), Bottani

Affiliated with

Also associated with

Rating

Dual sound 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 Dual sound system, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Dual sound system will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2285335