US3283159A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Light-scanned tube and target therefor
Assignee: Machlett Laboratories Inc
•
Filing: 1961-12-12
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Granted: 1966-11-01
•
Expires: 1981-12-12
Abstract
No abstract record available.
Inventors
- 👤 Charles D Robbins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:44
CPC Classifications
H; H01; H01J; H01J31/00; H01J31/08; H01J31/10; H01J31/12; H01J31/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
106 words
A LIGHT-SCANNED IMAGE COMVERSION DEVICE COMPRISING IN COMBINATION, A TARGET COMPRISING FIRST AND SECOND IMPERFORATE PHOTOCONDUCTIVE LAYERS, A PLURALITY OF CLOSELY SPACED PARALLEL DISCRETE CONDUCTIVE MEMBERS HAVING THEIR RESPECTIVE ENDS CONTIGUOUS WITH ONE SIDE OF THE RESPECTIVE LAYERS, SAID MEMBERS BEING INSULATED FROM ONE ANOTHER, THE ENTIRE TARGET BETWEEN THE PHOTOCONDUCTIVE LAYERS BEING COMPLETELY OPAQUE TO INCIDENT LIGHT, FIRST AND SECOND CONDUCTIVE COATINGS COVERING THE OTHER SIDE OF THE RESPECTIVE LAYERS, A SOURCE OF POTENTIAL CONNECTED BETWEEN THE CONDUCTIVE COATINGS, MEANS SCANNING ONE OF THE PHOTOCONDUCTIVE LAYERS AND MEANS DETECTING AN OUTPUT FROM THE SCANNED LAYER IN ACCORDANCE WITH INFORMATION PROJECTED ON THE OTHER PHOTOCONDUCTIVE LAYER.
Claim 2
Dependent Claim
106 words
A LIGHT-SCANNED IMAGE COMVERSION DEVICE COMPRISING IN COMBINATION, A TARGET COMPRISING FIRST AND SECOND IMPERFORATE PHOTOCONDUCTIVE LAYERS, A PLURALITY OF CLOSELY SPACED PARALLEL DISCRETE CONDUCTIVE MEMBERS HAVING THEIR RESPECTIVE ENDS CONTIGUOUS WITH ONE SIDE OF THE RESPECTIVE LAYERS, SAID MEMBERS BEING INSULATED FROM ONE ANOTHER, THE ENTIRE TARGET BETWEEN THE PHOTOCONDUCTIVE LAYERS BEING COMPLETELY OPAQUE TO INCIDENT LIGHT, FIRST AND SECOND CONDUCTIVE COATINGS COVERING THE OTHER SIDE OF THE RESPECTIVE LAYERS, A SOURCE OF POTENTIAL CONNECTED BETWEEN THE CONDUCTIVE COATINGS, MEANS SCANNING ONE OF THE PHOTOCONDUCTIVE LAYERS AND MEANS DETECTING AN OUTPUT FROM THE SCANNED LAYER IN ACCORDANCE WITH INFORMATION PROJECTED ON THE OTHER PHOTOCONDUCTIVE LAYER.
References Cited (Backward Citations)
US2732469A
Cited
US1880289A
Cited
US3152222A
Cited
US2866182A
Cited
US2944155A
Cited
US3107303A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-31 | 1970-05-02 | 1970-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-31 | 1974-05-02 | 1974-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-31 | 1978-05-02 | 1978-11-01 | $7700.00 | Window Closed / Lapsed |