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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
•
Filing: 1964-05-07
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Granted: 1968-01-23
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Expires: 1984-05-07
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Abstract

No abstract record available.

Inventors

  • 👤 Joseph L Cannella

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 10:08
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)

US3249692A Cited
US3210462A Cited
US3167612A Cited

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

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