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Patent US3153723A successfully refreshed from Google Patents.
US3153723A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Internal mirror drum scanning device
Assignee: Barnes Engineering Co
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Filing: 1961-12-20
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Granted: 1964-10-20
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Expires: 1981-12-20
Abstract
No abstract record available.
Inventors
- 👤 Weiss Morris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:58
CPC Classifications
H; H04; H04N; H04N3/00; H04N3/02; H04N3/08; H04N3/09
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
99 words
A DEVICE FOR PERIODICALLY SCANNING ACROSS AN OBJECT EMITTING RADIATION COMPRISING IN COMBINATION AND IN OPTICAL ALIGNMENT, (A) A SINGLE RADIATION DETECTOR SYSTEM WITH A FIXED DETECTOR ELEMENT, THE SYSTEM RESPONDING SUBSTANTIALLY ONLY TO RADIATIONS FOR WHICH THE OBJECT IS OPAQUE, (B) A SCANNING DRUM SURROUNDING THE DETECTOR ELEMENT AND PROVIDED ON ITS INNER SURFACE WITH PLANE MIRROR SEGMENTS, MEANS FOR ROTATING THE DRUM, AND (C) MEANS, INCLUDING THE SUCCESSIVE MIRROR SEGMENTS OF THE DRUM, FOR IMAGING SUCCESSIVE SMALL AREAS ON EITHER SIDE AND ACROSS THE OBJECT TO BE SCANNED ONTO A RELATIVELY LARGE ARC OF THE DRUM CIRCUMFERENCE.
Claim 2
Independent Claim
99 words
A DEVICE FOR PERIODICALLY SCANNING ACROSS AN OBJECT EMITTING RADIATION COMPRISING IN COMBINATION AND IN OPTICAL ALIGNMENT, (A) A SINGLE RADIATION DETECTOR SYSTEM WITH A FIXED DETECTOR ELEMENT, THE SYSTEM RESPONDING SUBSTANTIALLY ONLY TO RADIATIONS FOR WHICH THE OBJECT IS OPAQUE, (B) A SCANNING DRUM SURROUNDING THE DETECTOR ELEMENT AND PROVIDED ON ITS INNER SURFACE WITH PLANE MIRROR SEGMENTS, MEANS FOR ROTATING THE DRUM, AND (C) MEANS, INCLUDING THE SUCCESSIVE MIRROR SEGMENTS OF THE DRUM, FOR IMAGING SUCCESSIVE SMALL AREAS ON EITHER SIDE AND ACROSS THE OBJECT TO BE SCANNED ONTO A RELATIVELY LARGE ARC OF THE DRUM CIRCUMFERENCE.
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) | 1967-10-20 | 1968-04-20 | 1968-10-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-10-20 | 1972-04-20 | 1972-10-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-10-20 | 1976-04-20 | 1976-10-20 | $7700.00 | Window Closed / Lapsed |