Patent US3893337A successfully refreshed from Google Patents.
Patent US3356930A successfully refreshed from Google Patents.
US3356930A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flip-flip controlled switching regulator with volatage, current and power limiting features and with filter circuit load change sensor
Assignee: Technipower Inc
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Filing: 1965-04-02
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Granted: 1967-12-05
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Expires: 1985-04-02
Abstract
No abstract record available.
Inventors
- 👤 Peter J Lupoli
- 👤 Schaefer Johannes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 11:04
CPC Classifications
H; H02; H02M; H02M3/00; H02M3/02; H02M3/04; H02M3/10; H02M3/145; H02M3/155; H02M3/156; H02M3/1563
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
125 words
A REGULATOR SYSTEM COMPRISING INPUT TERMINALS, OUTPUT TERMINALS, AND FIRST AND SECOND LINES CONNECTING SAID INPUT TERMINALS AND SAID OUTPUT TERMINALS RESPECTIVELY, A SWITCHING TRANSISTOR OPERATIVELY CONNECTED TO AT LEAST ONE OF SAID LINES, FIRST MEANS FOR SENSING THE VOLTAGE ACROSS SAID OUTPUT TERMINALS, SECOND MEANS FOR SENSING THE CURRENT OF SAID OUTPUT TERMINALS, CONTROL MEANS OPERATIVELY CONNECTED TO SAID SWITCHING TRANSISTOR TO CONTROL THE SWITCHING THEREOF, AND ACTUATING MEANS OPERATIVELY CONNECTING SAID FIRST AND SECOND SENSING MEANS TO SAID CONTROL MEANS AND EFFECTIVE TO NORMALLY ACTUATE SAID CONTROL MEANS IN ACCORDANCE WITH THE SENSING OF SAID FIRST MEANS AND TO ACTUATE SAID CONTROL MEANS IN ACCORDANCE WITH THE SENSING OF SAID SECOND MEANS WHEN THE CURRENT AT SAID OUTPUT TERMINALS EXCEEDS A PREDETERMINED VALUE,
Claim 2
Dependent Claim
125 words
A REGULATOR SYSTEM COMPRISING INPUT TERMINALS, OUTPUT TERMINALS, AND FIRST AND SECOND LINES CONNECTING SAID INPUT TERMINALS AND SAID OUTPUT TERMINALS RESPECTIVELY, A SWITCHING TRANSISTOR OPERATIVELY CONNECTED TO AT LEAST ONE OF SAID LINES, FIRST MEANS FOR SENSING THE VOLTAGE ACROSS SAID OUTPUT TERMINALS, SECOND MEANS FOR SENSING THE CURRENT OF SAID OUTPUT TERMINALS, CONTROL MEANS OPERATIVELY CONNECTED TO SAID SWITCHING TRANSISTOR TO CONTROL THE SWITCHING THEREOF, AND ACTUATING MEANS OPERATIVELY CONNECTING SAID FIRST AND SECOND SENSING MEANS TO SAID CONTROL MEANS AND EFFECTIVE TO NORMALLY ACTUATE SAID CONTROL MEANS IN ACCORDANCE WITH THE SENSING OF SAID FIRST MEANS AND TO ACTUATE SAID CONTROL MEANS IN ACCORDANCE WITH THE SENSING OF SAID SECOND MEANS WHEN THE CURRENT AT SAID OUTPUT TERMINALS EXCEEDS A PREDETERMINED VALUE,
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) | 1970-12-04 | 1971-06-05 | 1971-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-04 | 1975-06-05 | 1975-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-04 | 1979-06-05 | 1979-12-05 | $7700.00 | Window Closed / Lapsed |