US3283561A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control apparatus
Assignee: Honeywell Inc
•
Filing: 1963-12-23
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Granted: 1966-11-08
•
Expires: 1983-12-23
Abstract
No abstract record available.
Inventors
- 👤 Martin P Fricke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 20:05
CPC Classifications
G; G01; G01N; G01N23/00; G01N23/02; G01N23/06; G01N23/12; G01N25/00; G01N25/56; G01N25/66; G01N25/68; G21; G21H; G21H5/00; G21H5/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
148 words
HUMIDITY RESPONSIVE APPARATUS COMPRISING, IN COMBINATION: AN ELEMENT HAVING A RADIOACTIVITY EMITTING SURFACE EXPOSED TO AN ENVIRONMENT THE HUMIDITY OF WHICH IS TO BE DETERMINED; TEMPERATURE CONTROLLING MEANS CONNECTED TO SAID ELEMENT TO ESTABLISH A TEMPERATURE GRADIENT ON THE SURFACE SUCH THAT CONDENSATE FORMS ON A LIMITED AREA OF THE SURFACE TO CHANGE THE RADIOACTIVITY EMITTED THEREFROM; RADIOACTIVITY DETECTING MEANS MOUNTED TO RECEIVE RADIATION EMITTED FROM THE SURFACE AND TO PRODUCE AN OUTPUT INDICATIVE OF THE AREA OF CONDENSATE THEREON; MEANS CONNECTING SAID RADIOACTIVITY DETECTING MEANS TO SAID TEMPERATURE CONTROLLING MEANS, THE OUTPUT FROM SAID RADIOACTIVITY DETECTING MEANS REGULATING SAID TEMPERATURE CONTROLLING MEANS TO MAINTAIN A PREDETERMINED LIMITED AREA OF CONDENSATE ON THE SURFACE; AND TEMPERATURE SENSING MEANS CONNECTED TO SAID ELEMENT TO PRODUCE AN OUTPUT REPRESENTATIVE OF THE TEMPERATURE OF THE SURFACE AT THE LIMIT OF THE AREA AS AN INDICATION OF THE HUMIDITY OF THE ENVIRONMENT.
Claim 2
Dependent Claim
148 words
HUMIDITY RESPONSIVE APPARATUS COMPRISING, IN COMBINATION: AN ELEMENT HAVING A RADIOACTIVITY EMITTING SURFACE EXPOSED TO AN ENVIRONMENT THE HUMIDITY OF WHICH IS TO BE DETERMINED; TEMPERATURE CONTROLLING MEANS CONNECTED TO SAID ELEMENT TO ESTABLISH A TEMPERATURE GRADIENT ON THE SURFACE SUCH THAT CONDENSATE FORMS ON A LIMITED AREA OF THE SURFACE TO CHANGE THE RADIOACTIVITY EMITTED THEREFROM; RADIOACTIVITY DETECTING MEANS MOUNTED TO RECEIVE RADIATION EMITTED FROM THE SURFACE AND TO PRODUCE AN OUTPUT INDICATIVE OF THE AREA OF CONDENSATE THEREON; MEANS CONNECTING SAID RADIOACTIVITY DETECTING MEANS TO SAID TEMPERATURE CONTROLLING MEANS, THE OUTPUT FROM SAID RADIOACTIVITY DETECTING MEANS REGULATING SAID TEMPERATURE CONTROLLING MEANS TO MAINTAIN A PREDETERMINED LIMITED AREA OF CONDENSATE ON THE SURFACE; AND TEMPERATURE SENSING MEANS CONNECTED TO SAID ELEMENT TO PRODUCE AN OUTPUT REPRESENTATIVE OF THE TEMPERATURE OF THE SURFACE AT THE LIMIT OF THE AREA AS AN INDICATION OF THE HUMIDITY OF THE ENVIRONMENT.
References Cited (Backward Citations)
GB317306A
Cited
US2316624A
Cited
US2588355A
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US2649707A
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US2971461A
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US2893237A
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US2986642A
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US2979950A
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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) | 1969-11-07 | 1970-05-09 | 1970-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-07 | 1974-05-09 | 1974-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-07 | 1978-05-09 | 1978-11-08 | $7700.00 | Window Closed / Lapsed |