US3406290A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Scanning densitometer for thermal profile analysis
Assignee: Barnes Engineering Co
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Filing: 1965-07-14
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Granted: 1968-10-15
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Expires: 1985-07-14
Abstract
No abstract record available.
Inventors
- 👤 Erich E Brueschke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 17:38
CPC Classifications
G; G01; G01N; G01N21/00; G01N21/17; G01N21/59; G01N21/5907; G01N21/5911
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
162 words
A SCANNING DENSITOMETER FOR ANALYZING THERMOGRAMS TO DETERMINE HOW TEMPERATURE VARIES ALONG A LINE IN A THERMOGRAM COMPRISING IN COMBINATION (A) A HOUSING HAVING A FLAT SURFACE WITH A LONG, NARROW SLOT THEREIN THE LENGTH OF WHICH AT LEAST CORRESPONDS TO THE LONGEST DIMENSION OF THE THERMOGRAM WHICH IS TO BE EXAMINED BY THE DENSITOMETER, (B) A RADIATION DETECTOR, (C) A LIGHT GUIDE POSITIONED ABOVE SAID SLOT, SAID LIGHT GUIDE BEING COUPLED TO SAID RADIATION DETECTOR, (D) A LIGHT SOURCE POSITIONED UNDER SAID SLOT AND IN ALIGNMENT WITH SAID LIGHT GUIDE, (E) DRIVE MEANS FOR SIMULTANEOUSLY MOVING SAID LIGHT SOURCE AND SAID LIGHT GUIDE ALONG SAID SLOT, (F) ELECTRICAL MEANS ASSOCIATED WITH SAID DRIVE MEANS FOR DERIVING A SIGNAL INDICATIVE OF THE POSITION OF SAID LIGHT GUIDE WITH RESPECT TO DISTANCE ALONG SAID SLOT, AND (G) CIRCUIT MEANS INCLUDING SAID RADIATION DETECTOR FOR DERIVING A SIGNAL IN ACCORDANCE WITH THE FILM DENSITY OF A THERMOGRAM WHICH IS BEING EXAMINED BY SAID DENSITOMETER.
Claim 2
Dependent Claim
162 words
A SCANNING DENSITOMETER FOR ANALYZING THERMOGRAMS TO DETERMINE HOW TEMPERATURE VARIES ALONG A LINE IN A THERMOGRAM COMPRISING IN COMBINATION (A) A HOUSING HAVING A FLAT SURFACE WITH A LONG, NARROW SLOT THEREIN THE LENGTH OF WHICH AT LEAST CORRESPONDS TO THE LONGEST DIMENSION OF THE THERMOGRAM WHICH IS TO BE EXAMINED BY THE DENSITOMETER, (B) A RADIATION DETECTOR, (C) A LIGHT GUIDE POSITIONED ABOVE SAID SLOT, SAID LIGHT GUIDE BEING COUPLED TO SAID RADIATION DETECTOR, (D) A LIGHT SOURCE POSITIONED UNDER SAID SLOT AND IN ALIGNMENT WITH SAID LIGHT GUIDE, (E) DRIVE MEANS FOR SIMULTANEOUSLY MOVING SAID LIGHT SOURCE AND SAID LIGHT GUIDE ALONG SAID SLOT, (F) ELECTRICAL MEANS ASSOCIATED WITH SAID DRIVE MEANS FOR DERIVING A SIGNAL INDICATIVE OF THE POSITION OF SAID LIGHT GUIDE WITH RESPECT TO DISTANCE ALONG SAID SLOT, AND (G) CIRCUIT MEANS INCLUDING SAID RADIATION DETECTOR FOR DERIVING A SIGNAL IN ACCORDANCE WITH THE FILM DENSITY OF A THERMOGRAM WHICH IS BEING EXAMINED BY SAID DENSITOMETER.
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) | 1971-10-15 | 1972-04-15 | 1972-10-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-15 | 1976-04-15 | 1976-10-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-15 | 1980-04-15 | 1980-10-15 | $7700.00 | Window Closed / Lapsed |