US3118601A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Comfort control circuit
Assignee: Powers Regulator Co
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Filing: 1962-09-04
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Granted: 1964-01-21
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Expires: 1982-09-04
Abstract
No abstract record available.
Inventors
- 👤 Jr Harold E Robb
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:04
CPC Classifications
F; F24; F24F; F24F11/00; F24F11/88; H; H03; H03K; H03K3/00; H03K3/02; H03K3/26; H03K3/28; H03K3/281; H03K3/286; H03K3/2893; F24F11/30; F24F2110/00; F24F2110/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
108 words
A CONTROL CIRCUIT FOR A LOAD DEVICE COMPRISING A BISTABLE TRIGGER CIRCUIT RESPONSIVE TO AN INPUT SIGNAL GREATER THAN A PREDETERMINED AMPLITUDE FOR PROVIDING AN OUTPUT SIGNAL OF A FIRST AMPLITUDE AND RESPONSIVE TO AN INPUT SIGNAL LESS THAN A PREDETERMINED AMPLITUDE FOR PROVIDING AN OUTPUT SIGNAL OF A SECOND AMPLITUDE, MEANS FOR PROVIDING A VARIABLE BIAS IN ACCORDANCE WITH A FIRST SENSED CONDITION, A CONSTANT FREQUENCY SIGNAL SOURCE, MEANS FOR AMPLITUDE MODULATING SAID CONSTANT FREQUENCY SIGNAL IN ACCORDANCE WITH A SECOND SENSED CONDITION, AND MEANS FOR COMBINING SAID VARIABLE BIAS AND SAID AMPLITUDE MODULATED CONSTANT FREQUENCY SIGNAL TO PROVIDE AN INPUT SIGNAL TO SAID BI-STABLE TRIGGER CIRCUIT.
Claim 2
Dependent Claim
108 words
A CONTROL CIRCUIT FOR A LOAD DEVICE COMPRISING A BISTABLE TRIGGER CIRCUIT RESPONSIVE TO AN INPUT SIGNAL GREATER THAN A PREDETERMINED AMPLITUDE FOR PROVIDING AN OUTPUT SIGNAL OF A FIRST AMPLITUDE AND RESPONSIVE TO AN INPUT SIGNAL LESS THAN A PREDETERMINED AMPLITUDE FOR PROVIDING AN OUTPUT SIGNAL OF A SECOND AMPLITUDE, MEANS FOR PROVIDING A VARIABLE BIAS IN ACCORDANCE WITH A FIRST SENSED CONDITION, A CONSTANT FREQUENCY SIGNAL SOURCE, MEANS FOR AMPLITUDE MODULATING SAID CONSTANT FREQUENCY SIGNAL IN ACCORDANCE WITH A SECOND SENSED CONDITION, AND MEANS FOR COMBINING SAID VARIABLE BIAS AND SAID AMPLITUDE MODULATED CONSTANT FREQUENCY SIGNAL TO PROVIDE AN INPUT SIGNAL TO SAID BI-STABLE TRIGGER CIRCUIT.
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) | 1967-01-20 | 1967-07-22 | 1968-01-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-01-20 | 1971-07-22 | 1972-01-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-01-20 | 1975-07-22 | 1976-01-21 | $7700.00 | Window Closed / Lapsed |