Patent US3072889A successfully refreshed from Google Patents.
US3072889A
Expired / Lapsed
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Densitometric data handling system
Assignee: Fairchild Semiconductor Corp
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Filing: 1955-04-20
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Granted: 1963-01-08
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Expires: 1975-04-20
Abstract
No abstract record available.
Inventors
- 👤 Frederick P Willcox
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:13
CPC Classifications
G; G11; G11C; G11C13/00; G11C13/04; G11C13/048
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
88 words
DATA HANDLING SYSTEM COMPRISING MEANS FOR RECORDING OPTICAL DENSITY VALUES, SELECTED FROM A MULTIPLE RANGE OF DENSITIES, ON SPACED DISCRETE ELEMENTAL AREAS OF UNIFORM SIZE ON A RECORD MATERIAL, MEANS FOR INDIVIDUALLY CONTROLLING THE DENSITY VALUE OF EACH SUCH RECORDED AREA IN ACCORDANCE WITH INDIVIDUAL VALUES WITHIN THE RANGE OF INFORMATION TO BE RECORDED, OPTICAL MEANS FOR SCANNING SUCH AREA AFTER THE RECORDATION OF SUCH INFORMATION, AND MEANS RESPONSIVE TO THE OUTPUT OF SAID OPTICAL MEANS FOR INDICATING TH PARTICULAR SINGLE VALUE OF INFORMATION RECORDED ON EACH AREA.
Claim 2
Dependent Claim
88 words
DATA HANDLING SYSTEM COMPRISING MEANS FOR RECORDING OPTICAL DENSITY VALUES, SELECTED FROM A MULTIPLE RANGE OF DENSITIES, ON SPACED DISCRETE ELEMENTAL AREAS OF UNIFORM SIZE ON A RECORD MATERIAL, MEANS FOR INDIVIDUALLY CONTROLLING THE DENSITY VALUE OF EACH SUCH RECORDED AREA IN ACCORDANCE WITH INDIVIDUAL VALUES WITHIN THE RANGE OF INFORMATION TO BE RECORDED, OPTICAL MEANS FOR SCANNING SUCH AREA AFTER THE RECORDATION OF SUCH INFORMATION, AND MEANS RESPONSIVE TO THE OUTPUT OF SAID OPTICAL MEANS FOR INDICATING TH PARTICULAR SINGLE VALUE OF INFORMATION RECORDED ON EACH AREA.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-01-07 | 1966-07-09 | 1967-01-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-07 | 1970-07-09 | 1971-01-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-07 | 1974-07-09 | 1975-01-08 | $7700.00 | Window Closed / Lapsed |