Fluorescent soundtrack readout system

Details Fluorescent soundtrack readout system Fluorescent soundtrack readout system

1980-10-10

1985-11-05

Richardson, Robert L.

Dynamic information storage or retrieval

Specific detail of information handling portion of system

Radiation beam modification of or by storage medium

352 1, G11B 702, G11B 704

Patent

active

045518270

ABSTRACT:
A fluorescent soundtrack readout system for decoding the digital soundtrack of a motion picture film employing ultraviolet light directed onto the surface of the soundtrack film to cause the digital indicia thereon to emit visible light and for transmitting the emitted visible light to a photodiode array to detect same.

REFERENCES:
patent: 1260337 (1918-03-01), Craig
patent: 1809310 (1931-06-01), Owens
patent: 2156625 (1939-05-01), Flory et al.
patent: 2203191 (1940-06-01), Dimmick
patent: 2244733 (1941-06-01), Schwarz
patent: 2289054 (1942-07-01), Dimmick
patent: 2314392 (1943-03-01), Dimmick
patent: 2595701 (1952-05-01), Potter
patent: 2678254 (1954-05-01), Schenck
patent: 3379095 (1968-04-01), Kaprelian

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