US3083319A
Expired / Lapsed
US
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Temperature responsive system
Assignee: General Electric Co
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Filing: 1959-12-24
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Granted: 1963-03-26
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Expires: 1979-12-24
Abstract
No abstract record available.
Inventors
- 👤 Jerome J Tiemann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:25
CPC Classifications
H; H02; H02H; H02H5/00; H02H5/04; H02H5/044; G; G01; G01K; G01K7/00; G01K7/01; G05; G05D; G05D23/00; G05D23/19; G05D23/20; G05D23/2033; G05D23/2034; Y; Y10; Y10S; Y10S236/00; Y10S236/14
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
89 words
A CIRCUIT FOR PROVIDING A CONTINUOUSLY VARIABLE SIGNAL OUTPUT WHICH IS PROPORTIONAL TO THE DEVIATION FROM A PREDETERMINED TEMPERATURE, THE CIRCUIT COMPRISING: A NARROW JUNCTION SEMICONDUCTOR DEVICE HAVING A PEAK CURRENT AT LOW FORWARD VOLTAGES WHICH VARIES INVERSELY WITH ITS TEMPERATURE, AN AMPLITUDE MODULATED ALTERNATING CURRENT VOLTAGE SOURCE, MEANS IN CIRCUIT WITH SAID VOLTAGE SOURCE AND SAID DEVICE DEFINING A LOAD LINE HAVING TWO STABLE OPERATING POINTS, MEANS BIASING SAID DEVICE FOR OPERATION SUCH THAT AT A FIRST PREDETERMINED TEMPERATURE ITS PEAK CURRENT IS EXCEEDED FOR A PREDETERMINED TIME
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) | 1966-03-25 | 1966-09-24 | 1967-03-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-25 | 1970-09-24 | 1971-03-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-25 | 1974-09-24 | 1975-03-26 | $7700.00 | Window Closed / Lapsed |