Patent US3249758A successfully refreshed from Google Patents.
US3249758A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electro-optical tape sensor
Assignee: GTE Sylvania Inc
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Filing: 1963-04-29
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Granted: 1966-05-03
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Expires: 1983-04-29
Abstract
No abstract record available.
Inventors
- 👤 Luca Peter C De
- 👤 Jr Stanley T Partel
- 👤 Richard H Davison
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 13:54
CPC Classifications
B; B65; B65H; B65H23/00; B65H23/005; G; G11; G11B; G11B15/00; G11B15/02; G11B15/05; G11B15/06; G11B15/08; G11B15/18; G11B15/46; G11B27/00; G11B27/10; G11B27/34
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
216 words
IN A SYSTEM FOR TRANSPORTING OPAQUE TAPE BETWEEN A REEL AND A REFERENCE ROLLER DISPOSED PARALLEL TO THE AXIS OF SAID REEL AND WHEREIN THE ANGLE DEFINED BY THE TAPE EXTENDING BETWEEN SAID ROLLER AND SAID REEL AND A REFERENCE LINE DRAWN FROM SAID ROLLER TO THE AXIS OF SAID REEL VARIES IN ACCORDANCE WITH THE VOLUME OF TAPE ON SAID REEL, SAID ANGLE BEING OF MINIMUM AND MAXIMUM VALUES WHEN SAID REEL IS EMPTY AND FULL, RESPECTIVELY, APPARATUS FOR CONTINUOUSLY MEASURING THE AMOUNT OF TAPE ON SAID REEL COMPRISING, A LIGHT SENSING DEVICE INCLUDING AN ELONGATED APERTURE DISPOSED ADJACENT ONE EDGE OF SAID TAPE AND SUBSTANTIALLY TRANSVERSE TO THE PATH OF TRAVEL THEREOF IN A PLANE GENERALLY PERPENDICULAR TO THE PLANE OF SAID TAPE, THE DIMENSION OF SAID APERTURE FROM ONE END TO THE OTHER BEING SUBSTANTIALLY COEXTENSIVE WITH THE RANGE OF POSITIONS OF SAID TAPE, AT THE INTERSECTION OF SAID TAPE WITH SAID APERTURE, FROM A POSITION NEAR SAID ONE END OF THE APERTURE AT WHICH SAID ANGLE IS A MINIMUM TO A POSITION NEAR SAID OTHER END OF THE APERTURE AT WHICH SAID ANGLE IS A MAXIMUM, A LIGHT SOURCE POSITIONED ON ONE SIDE OF SAID TAPE AND ARRANGED TO DIRECT LIGHT TRANSVERSELY OF SAID PATH OF TRAVEL TOWARD SAID APERTURE WHEREBY THE
Claim 2
Dependent Claim
216 words
IN A SYSTEM FOR TRANSPORTING OPAQUE TAPE BETWEEN A REEL AND A REFERENCE ROLLER DISPOSED PARALLEL TO THE AXIS OF SAID REEL AND WHEREIN THE ANGLE DEFINED BY THE TAPE EXTENDING BETWEEN SAID ROLLER AND SAID REEL AND A REFERENCE LINE DRAWN FROM SAID ROLLER TO THE AXIS OF SAID REEL VARIES IN ACCORDANCE WITH THE VOLUME OF TAPE ON SAID REEL, SAID ANGLE BEING OF MINIMUM AND MAXIMUM VALUES WHEN SAID REEL IS EMPTY AND FULL, RESPECTIVELY, APPARATUS FOR CONTINUOUSLY MEASURING THE AMOUNT OF TAPE ON SAID REEL COMPRISING, A LIGHT SENSING DEVICE INCLUDING AN ELONGATED APERTURE DISPOSED ADJACENT ONE EDGE OF SAID TAPE AND SUBSTANTIALLY TRANSVERSE TO THE PATH OF TRAVEL THEREOF IN A PLANE GENERALLY PERPENDICULAR TO THE PLANE OF SAID TAPE, THE DIMENSION OF SAID APERTURE FROM ONE END TO THE OTHER BEING SUBSTANTIALLY COEXTENSIVE WITH THE RANGE OF POSITIONS OF SAID TAPE, AT THE INTERSECTION OF SAID TAPE WITH SAID APERTURE, FROM A POSITION NEAR SAID ONE END OF THE APERTURE AT WHICH SAID ANGLE IS A MINIMUM TO A POSITION NEAR SAID OTHER END OF THE APERTURE AT WHICH SAID ANGLE IS A MAXIMUM, A LIGHT SOURCE POSITIONED ON ONE SIDE OF SAID TAPE AND ARRANGED TO DIRECT LIGHT TRANSVERSELY OF SAID PATH OF TRAVEL TOWARD SAID APERTURE WHEREBY THE
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) | 1969-05-02 | 1969-11-01 | 1970-05-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-02 | 1973-11-01 | 1974-05-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-02 | 1977-11-01 | 1978-05-03 | $7700.00 | Window Closed / Lapsed |