US3089082A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Switching circuits
Assignee: Individual
•
Filing: 1961-01-10
•
Granted: 1963-05-07
•
Expires: 1981-01-10
Abstract
No abstract record available.
Inventors
- 👤 Larry L Little
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:37
CPC Classifications
B; B03; B03C; B03C3/00; B03C3/34; B03C3/66; B03C3/68; Y; Y10; Y10S; Y10S323/00; Y10S323/903
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
152 words
A SYSTEM FOR AUTOMATICALLY ADJUSTING THE IMPEDANCE IN SERIES WITH A LOAD IN ORDER TO COMPENSATE FOR ELECTRICAL DISTURBANCES IN THE LOAD WHICH REACH A PREDETERMINED LEVEL AND FREQUENCY OF OCCURENCE, SAID SYSTEM COMPRISING: FIRST MEANS IN CIRCUIT WITH THE LOAD FOR DETECTING ELECTRICAL DISTURBANCES WHICH EXCEED SAID PREDETERMINED LEVEL; A TRANSISTOR HAVING BASE, EMITTER AND COLLECTOR ELECTRODES FOR RECEIVING SAID DETECTION OUTPUT SIGNAL OF SAID FIRST MEANS AT ITS BASE ELECTRODE; A STORAGE CAPACITOR COUPLED TO THE COLLECTOR-TO-EMITTER PATH OF SAID TRANSISTOR; MEANS IN CIRCUIT WITH SAID TRANSISTOR FOR PROVIDING A RELATIVELY FAST RATE OF CHARGING FOR SAID CAPACITOR THROUGH THE RELATIVELY LOW IMPEDANCE COLLECTOR-TO-EMITTER PATH OF SAID TRANSISTOR; MEANS IN CIRCUIT WITH SAID TRANSISTOR FOR PROVIDING A RELATIVELY SLOW DISCHARGING FOR SAID CAPACITOR THROUGH THE RELATIVELY HIGH BASE-EMITTER PATH THROUGH SAID TRANSISTOR; AND MEANS RESPONSIVE TO THE SIGNAL WHICH IS STORED IN SAID CAPACITOR FOR PRODUCING AN IMPEDANCE CONTROL SIGNAL.
Claim 2
Independent Claim
152 words
A SYSTEM FOR AUTOMATICALLY ADJUSTING THE IMPEDANCE IN SERIES WITH A LOAD IN ORDER TO COMPENSATE FOR ELECTRICAL DISTURBANCES IN THE LOAD WHICH REACH A PREDETERMINED LEVEL AND FREQUENCY OF OCCURENCE, SAID SYSTEM COMPRISING: FIRST MEANS IN CIRCUIT WITH THE LOAD FOR DETECTING ELECTRICAL DISTURBANCES WHICH EXCEED SAID PREDETERMINED LEVEL; A TRANSISTOR HAVING BASE, EMITTER AND COLLECTOR ELECTRODES FOR RECEIVING SAID DETECTION OUTPUT SIGNAL OF SAID FIRST MEANS AT ITS BASE ELECTRODE; A STORAGE CAPACITOR COUPLED TO THE COLLECTOR-TO-EMITTER PATH OF SAID TRANSISTOR; MEANS IN CIRCUIT WITH SAID TRANSISTOR FOR PROVIDING A RELATIVELY FAST RATE OF CHARGING FOR SAID CAPACITOR THROUGH THE RELATIVELY LOW IMPEDANCE COLLECTOR-TO-EMITTER PATH OF SAID TRANSISTOR; MEANS IN CIRCUIT WITH SAID TRANSISTOR FOR PROVIDING A RELATIVELY SLOW DISCHARGING FOR SAID CAPACITOR THROUGH THE RELATIVELY HIGH BASE-EMITTER PATH THROUGH SAID TRANSISTOR; AND MEANS RESPONSIVE TO THE SIGNAL WHICH IS STORED IN SAID CAPACITOR FOR PRODUCING AN IMPEDANCE CONTROL SIGNAL.
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) | 1966-05-06 | 1966-11-05 | 1967-05-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-06 | 1970-11-05 | 1971-05-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-06 | 1974-11-05 | 1975-05-07 | $7700.00 | Window Closed / Lapsed |