US3211910A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Calibrated infrared source, adjustable for spectrum, frequency, and intensity
Assignee: Individual
•
Filing: 1962-12-10
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Granted: 1965-10-12
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Expires: 1982-12-10
Abstract
No abstract record available.
Inventors
- 👤 Richard D Anderson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 08:31
CPC Classifications
G; G01; G01J; G01J3/00; G01J3/02; G01J3/10; G01J3/108; G01J3/28; G01J2003/2866
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
193 words
IN AN APPARATUS FOR PROVIDING A STABLE SOURCE OF INFRARED RADIATION WHICH CAN BE STEP ADJUSTED TO PROVIDE ANY DESIRED INTENSITY AND SPECTRAL CONTENT, THE COMBINATION COMPRISING: (A) FIRST AND SECOND BAFFLE PLATES EACH HAVING AN APERTURE FOR PASSING A BEAM OF INFRARED ENERGY EMITTED FROM AN INFRARED SOURCE, (B) A PLATE HAVING A PLURALITY OF DIFFERENT SIZED APERTURES MOUNTED ON ONE OF SAID BAFFLE PLATES SO THAT ONE OF SAID DIFFERENT SIZED APERTURES MAY BE SELECTIVELY POSITIONED IN ALIGNMENT WITH THE APERTURES OF SAID FIRST AND SECOND BAFFLE PLATES TO PERMIT A PREDETERMINED QUANTITY OF ENERGY TO PASS THERETHROUGH, (C) A FILTER HOLDER FOR RECEIVING A PLURALITY OF INFRARED TRANSMISSION FILTERS MOUNTED ON THE SAME BAFFLE PLATE AS SAID PLATE HAVING A PLURALITY OF APERTURES SO THAT ONE OF SAID FILTERS MAY BE SELECTIVELY POSITIONED IN ALIGNMENT WITH THE APERTURES OF SAID FIRST AND SECOND BAFFLE PLATES TO PERMIT A PREDETERMINED DISTRIBUTION OF WAVELENGTHS OF ENERGY TO PASS THERETHROUGH, AND (D) DRIVING MEANS POSITIONED ON SAID BAFFLE PLATES TO RECEIVE A REMOVABLE CHOPPER BLADE BETWEEN SAID FIRST AND SECOND BAFFLE PLATES FOR INTERRUPTING SAID BEAM OF INFRARED ENERGY AT A PREDETERMINED FREQUENCY.
Claim 2
Dependent Claim
193 words
IN AN APPARATUS FOR PROVIDING A STABLE SOURCE OF INFRARED RADIATION WHICH CAN BE STEP ADJUSTED TO PROVIDE ANY DESIRED INTENSITY AND SPECTRAL CONTENT, THE COMBINATION COMPRISING: (A) FIRST AND SECOND BAFFLE PLATES EACH HAVING AN APERTURE FOR PASSING A BEAM OF INFRARED ENERGY EMITTED FROM AN INFRARED SOURCE, (B) A PLATE HAVING A PLURALITY OF DIFFERENT SIZED APERTURES MOUNTED ON ONE OF SAID BAFFLE PLATES SO THAT ONE OF SAID DIFFERENT SIZED APERTURES MAY BE SELECTIVELY POSITIONED IN ALIGNMENT WITH THE APERTURES OF SAID FIRST AND SECOND BAFFLE PLATES TO PERMIT A PREDETERMINED QUANTITY OF ENERGY TO PASS THERETHROUGH, (C) A FILTER HOLDER FOR RECEIVING A PLURALITY OF INFRARED TRANSMISSION FILTERS MOUNTED ON THE SAME BAFFLE PLATE AS SAID PLATE HAVING A PLURALITY OF APERTURES SO THAT ONE OF SAID FILTERS MAY BE SELECTIVELY POSITIONED IN ALIGNMENT WITH THE APERTURES OF SAID FIRST AND SECOND BAFFLE PLATES TO PERMIT A PREDETERMINED DISTRIBUTION OF WAVELENGTHS OF ENERGY TO PASS THERETHROUGH, AND (D) DRIVING MEANS POSITIONED ON SAID BAFFLE PLATES TO RECEIVE A REMOVABLE CHOPPER BLADE BETWEEN SAID FIRST AND SECOND BAFFLE PLATES FOR INTERRUPTING SAID BEAM OF INFRARED ENERGY AT A PREDETERMINED FREQUENCY.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-10-11 | 1969-04-12 | 1969-10-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-11 | 1973-04-12 | 1973-10-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-11 | 1977-04-12 | 1977-10-12 | $7700.00 | Window Closed / Lapsed |