US3382490A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for reading thermoplastic recordings
Assignee: RCA Corp
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Filing: 1964-09-14
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Granted: 1968-05-07
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Expires: 1984-09-14
Abstract
No abstract record available.
Inventors
- 👤 Borkan Harold
- 👤 Stefan A Ochs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:52
CPC Classifications
G; G03; G03G; G03G16/00; H; H04; H04N; H04N5/00; H04N5/76; H04N5/80; H04N5/82
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
108 words
APPARATUS FOR THE PRODUCTION BY OPTICAL MEANS OF IMAGES OF AN INFORMATION-CONTAINING RELIEF PATTERN ON A RECORDING ELEMENT COMPRISING A SOURCE OF LIGHT DISPOSED IN OPTICAL ALIGNMENT WITH THE RECORDING ELEMENT TO BE READ OUT, MEANS FOR DEPOSITING LIGHT-ABSORBING MATERIAL IN SAID RELIEF PATTERN, AND DETECTION MEANS DISPOSED IN OPTICAL ALIGNMENT WITH SAID SOURCE AND SAID LIGHT-ABSORBING MATERIAL TO DETECT THE INTENSITY OF LIGHT TRANSMITTED THROUGH SAID LIGHT-ABSORBING MATERIAL, WHEREBY THE INTENSITY OF LIGHT DETECTED AT ANY DISCRETE POINT IS A FUNCTION OF THE DEPTH OF THE RELIEF PATTERN AT THAT POINT AND THE INTENSITY OF LIGHT DETECTED AT ALL DISCRETE POINTS CONSTITUTES A READOUT OF THE ELEMENT.
Claim 2
Dependent Claim
108 words
APPARATUS FOR THE PRODUCTION BY OPTICAL MEANS OF IMAGES OF AN INFORMATION-CONTAINING RELIEF PATTERN ON A RECORDING ELEMENT COMPRISING A SOURCE OF LIGHT DISPOSED IN OPTICAL ALIGNMENT WITH THE RECORDING ELEMENT TO BE READ OUT, MEANS FOR DEPOSITING LIGHT-ABSORBING MATERIAL IN SAID RELIEF PATTERN, AND DETECTION MEANS DISPOSED IN OPTICAL ALIGNMENT WITH SAID SOURCE AND SAID LIGHT-ABSORBING MATERIAL TO DETECT THE INTENSITY OF LIGHT TRANSMITTED THROUGH SAID LIGHT-ABSORBING MATERIAL, WHEREBY THE INTENSITY OF LIGHT DETECTED AT ANY DISCRETE POINT IS A FUNCTION OF THE DEPTH OF THE RELIEF PATTERN AT THAT POINT AND THE INTENSITY OF LIGHT DETECTED AT ALL DISCRETE POINTS CONSTITUTES A READOUT OF THE ELEMENT.
References Cited (Backward Citations)
US3196013A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-05-07 | 1971-11-06 | 1972-05-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-07 | 1975-11-06 | 1976-05-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-07 | 1979-11-06 | 1980-05-07 | $7700.00 | Window Closed / Lapsed |