US3277773A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Optical apparatus for measuring the reflective and emissive characteristics of a sample
Assignee: Individual
•
Filing: 1963-01-14
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Granted: 1966-10-11
•
Expires: 1983-01-14
Abstract
No abstract record available.
Inventors
- 👤 John U White
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 00:46
CPC Classifications
G; G01; G01N; G01N21/00; G01N21/17; G01N21/47; G01N21/4738; G01N21/474
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
145 words
IN AN APPARATUS FOR MEASURING RADIATION FROM A SAMPLE, IN COMBINATION, A SOURCE OF RADIANT ENERGY, MIRFACE DISPOSED INCLUDING A SPECULARLY REFLECTIVE CONCAVE SURFACE DISPOSED ADJACENT SAID SOURCE AND SAID SAMPLE, THE CONFIGURATION OF SAID MIRROR MEANS BEING SUCH THAT IT HAS CONJUGATE FOCI, SAID SAMPLE BEING LOCATED AT ONE OF SAID FOCI AND SAID SOURCE BEING LOCATED AT THE CONJUGATE FOCUS SUCH THAT RADIATION FROM SAID SOURCE IS DIRECTED BY SAID SURFACE TO SAID SAMPLE FROM A LARGE SOLID ANGLE AND IS REFLECTED THEREBY, MEANS FOR RECEIVING A BEAM OF RADIATION FROM SAID SAMPLE, SAID BEAM INCLUDING A REFLECTED COMPONENT AND A COMPONENT EMITTED BY SAID SAMPLE, MEANS FOR PRODUCING A PERIODIC MODULATION IN THE REFLECTED COMPONENT OF SAID BEAM, AND DETECTION MEANS RESPONSIVE TO SAID BEAM FOR DERIVING THEREFROM A SIGNAL REPRESENTATIVE OF SAID REFLECTED COMPONENT AND SUBSTANTIALLY INDEPENDENT OF SAID EMITTED COMPONENT.
Claim 2
Dependent Claim
145 words
IN AN APPARATUS FOR MEASURING RADIATION FROM A SAMPLE, IN COMBINATION, A SOURCE OF RADIANT ENERGY, MIRFACE DISPOSED INCLUDING A SPECULARLY REFLECTIVE CONCAVE SURFACE DISPOSED ADJACENT SAID SOURCE AND SAID SAMPLE, THE CONFIGURATION OF SAID MIRROR MEANS BEING SUCH THAT IT HAS CONJUGATE FOCI, SAID SAMPLE BEING LOCATED AT ONE OF SAID FOCI AND SAID SOURCE BEING LOCATED AT THE CONJUGATE FOCUS SUCH THAT RADIATION FROM SAID SOURCE IS DIRECTED BY SAID SURFACE TO SAID SAMPLE FROM A LARGE SOLID ANGLE AND IS REFLECTED THEREBY, MEANS FOR RECEIVING A BEAM OF RADIATION FROM SAID SAMPLE, SAID BEAM INCLUDING A REFLECTED COMPONENT AND A COMPONENT EMITTED BY SAID SAMPLE, MEANS FOR PRODUCING A PERIODIC MODULATION IN THE REFLECTED COMPONENT OF SAID BEAM, AND DETECTION MEANS RESPONSIVE TO SAID BEAM FOR DERIVING THEREFROM A SIGNAL REPRESENTATIVE OF SAID REFLECTED COMPONENT AND SUBSTANTIALLY INDEPENDENT OF SAID EMITTED COMPONENT.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-10 | 1970-04-11 | 1970-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-10 | 1974-04-11 | 1974-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-10 | 1978-04-11 | 1978-10-11 | $7700.00 | Window Closed / Lapsed |