US3184752A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Variable area recording apparatus and method
Assignee: Shell USA Inc
•
Filing: 1963-01-21
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Granted: 1965-05-18
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Expires: 1983-01-21
Abstract
No abstract record available.
Inventors
- 👤 Charles E Weller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:51
CPC Classifications
G; G01; G01D; G01D15/00; G01D15/14; G01V; G01V1/00; G01V1/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
117 words
AN APPARATUS FOR RECORDING A FLUCTUATING ELECTRICAL SIGNAL TO PROVIDE A VARIABLE AREA RECORD OF SAID ELECTRICAL SIGNAL, SAID APPARATUS COMPRISING: A LIGHT MEANS HAVING A CONTROLLABLE INTENSITY; A RECORDING MEDIUM HAVING A PHOTOGRAPHIC EMULSION ON AT LEAST ONE SURFACE THEREOF, SAID EMULSION HAVING A SATURATION VALUE EXCEEDED BY THE INTENSITY OF THE LIGHT MEANS; A FOCUSING MEANS DISPOSED TO FOCUS A CIRCULAR IMAGE ONTO THE RECORDING MEDIUM, SAID LIGHT MEANS BEING DISPOSED ADJACENT SAID FOCUSING MEANS; DRIVE MEANS DISPOSED TO MOVE SAID RECORDING MEDIUM AND SAID LIGHT MEANS RELATIVE TO EACH OTHER; AND CIRCUIT MEANS COUPLED TO SAID LIGHT MEANS TO CONTROL THE INTENSITY THEREOF IN RESPONSE TO VARIATIONS IN THE MAGNITUDE OF SAID ELECTRICAL SIGNAL.
Claim 2
Independent Claim
117 words
AN APPARATUS FOR RECORDING A FLUCTUATING ELECTRICAL SIGNAL TO PROVIDE A VARIABLE AREA RECORD OF SAID ELECTRICAL SIGNAL, SAID APPARATUS COMPRISING: A LIGHT MEANS HAVING A CONTROLLABLE INTENSITY; A RECORDING MEDIUM HAVING A PHOTOGRAPHIC EMULSION ON AT LEAST ONE SURFACE THEREOF, SAID EMULSION HAVING A SATURATION VALUE EXCEEDED BY THE INTENSITY OF THE LIGHT MEANS; A FOCUSING MEANS DISPOSED TO FOCUS A CIRCULAR IMAGE ONTO THE RECORDING MEDIUM, SAID LIGHT MEANS BEING DISPOSED ADJACENT SAID FOCUSING MEANS; DRIVE MEANS DISPOSED TO MOVE SAID RECORDING MEDIUM AND SAID LIGHT MEANS RELATIVE TO EACH OTHER; AND CIRCUIT MEANS COUPLED TO SAID LIGHT MEANS TO CONTROL THE INTENSITY THEREOF IN RESPONSE TO VARIATIONS IN THE MAGNITUDE OF SAID ELECTRICAL SIGNAL.
References Cited (Backward Citations)
US1597487A
Cited
US2267356A
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US2698562A
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US3006713A
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US2951736A
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US3050731A
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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) | 1968-05-17 | 1968-11-16 | 1969-05-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-05-17 | 1972-11-16 | 1973-05-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-05-17 | 1976-11-16 | 1977-05-18 | $7700.00 | Window Closed / Lapsed |