Patent US3666356A successfully refreshed from Google Patents.
US3666356A
Expired / Lapsed
US
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Sound movies and methods of making same
Assignee: Eastman Kodak Co
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Filing: 1971-01-27
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Granted: 1972-05-30
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Expires: 1991-01-27
Abstract
Abstract A TECHNIQUE IS DISCLOSED FOR APPLYING A SOUND RECORD MADE BY MEANS OF A TAPE RECORDER TO THE SOUND TRACK OF AN AMATEUR MOTION PICTURE FILM DEPICTING ACTION CORRESPONDING TO SUCH SOUND RECORD. TO EFFECT SUCH TECHNIQUE; PLAYBACK OF THE TAPE IS DONE AT THE TAPE RECORDING SPEED; AND RECORDING ON THE FILM SOUND TRACK IS DONE WHILE RUNNING THE FILM AT PROJECTION SPEED. THE SOUND TRACK IS KEPT AT TURE PITCH, AND IN SYNCH WHITH, THE FILMED ACTION BY SELECTIVELY EXCISING AND SHIFTING, OR GAPPING, THE SOUND RECORD WHENEVER THE SOUND GETS MORE THAN A CERTAIN AMOUNT OUT OF SYNCH WITH THE FILMED ACTION.
Inventors
- 👤 Franklin C Williams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 08:29
CPC Classifications
G; G03; G03B; G03B31/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-05-30 | 1975-11-29 | 1976-05-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-05-30 | 1979-11-29 | 1980-05-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-05-30 | 1983-11-29 | 1984-05-30 | $7700.00 | Window Closed / Lapsed |