Patent US3365580A successfully refreshed from Google Patents.
US3365580A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Film reader with transparent capstan and u-shaped light conducting rod
Assignee: National Aeronautics and Space Administration
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Filing: 1964-05-07
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Granted: 1968-01-23
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Expires: 1984-05-07
Abstract
No abstract record available.
Inventors
- 👤 Joseph L Cannella
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:13
CPC Classifications
H; H04; H04N; H04N5/00; H04N5/222; H04N5/257
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
127 words
IN A FLYING SPOT SCANNING SYSTEM FOR TRANSDUCING VARIATIONS IN RADIATION TRANSMISSION CHARACTERISTICS OF A RECORD MEDIUM INTO VARYING ELECTRICAL SIGNALS, RADIATION SOURCE MEANS, RADIATION DETECTOR MEANS, TRANSMISSION MEANS BETWEEN SAID SOURCE AND DETECTOR MEANS INCLUDING ELONGATED FACE PORTIONS IN SPACED ALIGNED RELATON TO THE TRANSMISSION OF RADIATION FROM ONE FACE PORTION TO THE OTHER, SCANNING MEANS ASSOCIATED WITH SAID TRANSMISSION MEANS FOR RESTRICTING TRANSMISSION BETWEEN SAID FACE PORTIONS TO AN INCREMENTAL SPOT AREA, MOVABLE LONGITUDINALLY WITH RESPECT TO SAID FACE PORTIONS, A HOLLOW CAPSTAN ROTATABLE ABOUT AN AXIS GENERALLY PARALLEL TO SAID FACE PORTIONS AND HAVING A TRANSPARENT CYLINDRICAL WALL DISPOSED BETWEEN SAID FACE PORTIONS, AND MEANS FOR TRAINING A RECORD MEDIUM OVER SAID CAPSTAN TO TRAVEL BETWEEN SAID FACE PORTIONS WITH ROTATION OF SAID CAPSTAN.
Claim 2
Dependent Claim
127 words
IN A FLYING SPOT SCANNING SYSTEM FOR TRANSDUCING VARIATIONS IN RADIATION TRANSMISSION CHARACTERISTICS OF A RECORD MEDIUM INTO VARYING ELECTRICAL SIGNALS, RADIATION SOURCE MEANS, RADIATION DETECTOR MEANS, TRANSMISSION MEANS BETWEEN SAID SOURCE AND DETECTOR MEANS INCLUDING ELONGATED FACE PORTIONS IN SPACED ALIGNED RELATON TO THE TRANSMISSION OF RADIATION FROM ONE FACE PORTION TO THE OTHER, SCANNING MEANS ASSOCIATED WITH SAID TRANSMISSION MEANS FOR RESTRICTING TRANSMISSION BETWEEN SAID FACE PORTIONS TO AN INCREMENTAL SPOT AREA, MOVABLE LONGITUDINALLY WITH RESPECT TO SAID FACE PORTIONS, A HOLLOW CAPSTAN ROTATABLE ABOUT AN AXIS GENERALLY PARALLEL TO SAID FACE PORTIONS AND HAVING A TRANSPARENT CYLINDRICAL WALL DISPOSED BETWEEN SAID FACE PORTIONS, AND MEANS FOR TRAINING A RECORD MEDIUM OVER SAID CAPSTAN TO TRAVEL BETWEEN SAID FACE PORTIONS WITH ROTATION OF SAID CAPSTAN.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-01-22 | 1971-07-24 | 1972-01-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-22 | 1975-07-24 | 1976-01-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-22 | 1979-07-24 | 1980-01-23 | $7700.00 | Window Closed / Lapsed |