US3370133A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Optical sound-recording apparatus
Assignee: Kalart Co Inc
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Filing: 1963-12-11
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Granted: 1968-02-20
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Expires: 1983-12-11
Abstract
No abstract record available.
Inventors
- 👤 Werner K Bender
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:55
CPC Classifications
G; G11; G11B; G11B7/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
114 words
AN APPARATUS FOR OPTICALLY RECORDING ON A LIGHT-SENSITIZED AREA OF A CARRIER A SOUND RECORD AREA IN THE FORM OF PARALLEL SOUND TRACK SECTIONS, SAID APPARATUS COMPRISING ROTATABLE HOLLOW SUPPORT MEANS FOR SUPPORTING THE CARRIER CYLINDRICALLY CURVED IN A PREDETERMINED POSITION ON THE SUPPORT MEANS, FIRST DRIVE MEANS FOR CONTINUOUSLY ROTATING SAID SUPPORT MEANS DURING RECORDING ABOUT THE CENTER AXIS OF THE CYLINDRICAL CURVATURE OF THE CARRIER, A STATIONARY LIGHT-MODULATING MEANS FOR MODULATING LIGHT IN ACCORDANCE WITH THE SOUND TO BE RECORDED, AN OPTICAL ASSEMBLY OPTICALLY DISPOSED TO RECEIVE LIGHT FROM SAID LIGHTMODULATING MEANS AND EXTENDING INTO SAID HOLLOW SUPPORT MEANS COAXIALLY THEREWITH FOR DIRECTING SUCCESSIVE LIGHT IMAGES CORRESPONDING TO THE RECEIVED MODULATED LIGHT
Claim 2
Independent Claim
114 words
AN APPARATUS FOR OPTICALLY RECORDING ON A LIGHT-SENSITIZED AREA OF A CARRIER A SOUND RECORD AREA IN THE FORM OF PARALLEL SOUND TRACK SECTIONS, SAID APPARATUS COMPRISING ROTATABLE HOLLOW SUPPORT MEANS FOR SUPPORTING THE CARRIER CYLINDRICALLY CURVED IN A PREDETERMINED POSITION ON THE SUPPORT MEANS, FIRST DRIVE MEANS FOR CONTINUOUSLY ROTATING SAID SUPPORT MEANS DURING RECORDING ABOUT THE CENTER AXIS OF THE CYLINDRICAL CURVATURE OF THE CARRIER, A STATIONARY LIGHT-MODULATING MEANS FOR MODULATING LIGHT IN ACCORDANCE WITH THE SOUND TO BE RECORDED, AN OPTICAL ASSEMBLY OPTICALLY DISPOSED TO RECEIVE LIGHT FROM SAID LIGHTMODULATING MEANS AND EXTENDING INTO SAID HOLLOW SUPPORT MEANS COAXIALLY THEREWITH FOR DIRECTING SUCCESSIVE LIGHT IMAGES CORRESPONDING TO THE RECEIVED MODULATED LIGHT
References Cited (Backward Citations)
US2189311A
Cited
US2516718A
Cited
GB646185A
Cited
US3001030A
Cited
US3108160A
Cited
US3051042A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-02-19 | 1971-08-21 | 1972-02-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-02-19 | 1975-08-21 | 1976-02-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-02-19 | 1979-08-21 | 1980-02-20 | $7700.00 | Window Closed / Lapsed |