Patent US3227879A successfully refreshed from Google Patents.
US3227879A
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Infrared simulator
Assignee: General Precision Inc
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Filing: 1963-10-21
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Granted: 1966-01-04
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Expires: 1983-10-21
Abstract
No abstract record available.
Inventors
- 👤 Donald Z Blau
- 👤 Schwartz Leonard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:15
CPC Classifications
F; F41; F41G; F41G7/00; F41G7/001; F41G7/002; F41G7/004; G; G01; G01S; G01S1/00; G01S1/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
98 words
A DEVICE FOR SIMULATING AN INFRARED SCENE COMPRISING, AN IMPERFORATE BASE MEMBER, A PERFORATE MEMBER HAVING A PHYSICAL CONFIGURATION CORRESPONDING TO THE INFRARED SCENE TO BE SIMULATED LOCATED IN INTIMATE CONTACT WITH ONE SURFACE OF SAID BASE MEMBER, SAID IMPERFORATE BASE MEMBER AND SAID PERFORATE MEMBER HAVING DIFFERENT INFRARED EMISSIVITIES IN A RATIO OF AT LEAST 80 TO 1, AND MEANS FOR ELEVATING THE TEMPERATURE OF BOTH MEMBERS TO A PRESELECTED TEMPERATURE WHEREBY THE RATIO OF THE INTENSITY OF THE INFRARED RADIATION FROM THE COVERED AND UNCOVERED AREAS OF THE IMPERFORATE BASE IS AT LEAST 80 TO 1.
Claim 2
Independent Claim
98 words
A DEVICE FOR SIMULATING AN INFRARED SCENE COMPRISING, AN IMPERFORATE BASE MEMBER, A PERFORATE MEMBER HAVING A PHYSICAL CONFIGURATION CORRESPONDING TO THE INFRARED SCENE TO BE SIMULATED LOCATED IN INTIMATE CONTACT WITH ONE SURFACE OF SAID BASE MEMBER, SAID IMPERFORATE BASE MEMBER AND SAID PERFORATE MEMBER HAVING DIFFERENT INFRARED EMISSIVITIES IN A RATIO OF AT LEAST 80 TO 1, AND MEANS FOR ELEVATING THE TEMPERATURE OF BOTH MEMBERS TO A PRESELECTED TEMPERATURE WHEREBY THE RATIO OF THE INTENSITY OF THE INFRARED RADIATION FROM THE COVERED AND UNCOVERED AREAS OF THE IMPERFORATE BASE IS AT LEAST 80 TO 1.
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) | 1969-01-03 | 1969-07-05 | 1970-01-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-03 | 1973-07-05 | 1974-01-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-03 | 1977-07-05 | 1978-01-04 | $7700.00 | Window Closed / Lapsed |