US3197616A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Temperature regulation circuit
Assignee: Individual
•
Filing: 1963-03-04
•
Granted: 1965-07-27
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Expires: 1983-03-04
Abstract
No abstract record available.
Inventors
- 👤 Donald W Gade
- 👤 Franklyn L Wiley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 11:34
CPC Classifications
G; G05; G05D; G05D23/00; G05D23/19; G05D23/20; G05D23/24; G05D23/1927; G05D23/193; G05D23/1931
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
146 words
A TEMPERATURE CONTROL CIRCUIT FOR MAINTANING A PRESELECTED LEVEL OF TEMPERATURE WITHIN AN OVEN SPACE, COMPARISING FIRST TEMPERATURE SENSING MEANS POSITIONED TO PRODUCE A FIRST OUTPUT SIGNAL INDICATIVE OF THE AMOUNT BY WHICH THE ACTUAL OVEN TEMPERATURE DIFFERS FROM THE PRESELECTED LEVEL, SECOND TEMPERATURE SENSING MEANS POSITIONED TO PRODUCE A SECOND OUTPUT SIGNAL INDICATEIVE OF THE TEMPERATURE DIFFERENCE BETWEEN THE INTERIOR AND THE EXTERIOR OF THE OVEN SPACE, COMPRISING MEANS CONNECTED TO SAID FIRST AND SECOND TERMPRATURE SENSING MEANS FOR COMPARING THE FIRST AND SECOND OUTPUT SIGNALS AND PRODUCING AN ERROR SIGNAL PROPORTIONAL TO TEH ALGEBRAIC COMBINATIN THEREOF, AND HEAT TRANSFER MEANS ADJACENT THE OVEN SPACE FOR REGULATING THE FLOW OF HEAT IN THE OVEN SPACE IN ACCORDANCE WITH THE AMPLITUDE OF AN APPLIED ERROR SIGNAL, THE MEANS FOR CONTROLLING THE HEAT FLOW BEING CONNECTED TO THE COMPARING MEANS FOR RECEIVING THE ERROR SIGNAL PRODUCED THEREBY.
Claim 2
Dependent Claim
146 words
A TEMPERATURE CONTROL CIRCUIT FOR MAINTANING A PRESELECTED LEVEL OF TEMPERATURE WITHIN AN OVEN SPACE, COMPARISING FIRST TEMPERATURE SENSING MEANS POSITIONED TO PRODUCE A FIRST OUTPUT SIGNAL INDICATIVE OF THE AMOUNT BY WHICH THE ACTUAL OVEN TEMPERATURE DIFFERS FROM THE PRESELECTED LEVEL, SECOND TEMPERATURE SENSING MEANS POSITIONED TO PRODUCE A SECOND OUTPUT SIGNAL INDICATEIVE OF THE TEMPERATURE DIFFERENCE BETWEEN THE INTERIOR AND THE EXTERIOR OF THE OVEN SPACE, COMPRISING MEANS CONNECTED TO SAID FIRST AND SECOND TERMPRATURE SENSING MEANS FOR COMPARING THE FIRST AND SECOND OUTPUT SIGNALS AND PRODUCING AN ERROR SIGNAL PROPORTIONAL TO TEH ALGEBRAIC COMBINATIN THEREOF, AND HEAT TRANSFER MEANS ADJACENT THE OVEN SPACE FOR REGULATING THE FLOW OF HEAT IN THE OVEN SPACE IN ACCORDANCE WITH THE AMPLITUDE OF AN APPLIED ERROR SIGNAL, THE MEANS FOR CONTROLLING THE HEAT FLOW BEING CONNECTED TO THE COMPARING MEANS FOR RECEIVING THE ERROR SIGNAL PRODUCED THEREBY.
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) | 1968-07-26 | 1969-01-25 | 1969-07-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-26 | 1973-01-25 | 1973-07-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-26 | 1977-01-25 | 1977-07-27 | $7700.00 | Window Closed / Lapsed |