US3305767A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Voltage regulator
Assignee: North American Aviation Corp
•
Filing: 1963-09-10
•
Granted: 1967-02-21
•
Expires: 1983-09-10
Abstract
No abstract record available.
Inventors
- 👤 Paul A Beihl
- 👤 James R Gandy
- 👤 Marvin W Loosle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 02:26
CPC Classifications
H; H02; H02M; H02M3/00; H02M3/02; H02M3/04; H02M3/10; H02M3/145; H02M3/155; H02M3/156
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
110 words
IN A SYSTEM FOR PRODUCING A REGULATED VOLTAGE THROUGH A CIRCUIT INCLUDING A FILTER ADAPTED TO HAVE ITS OUTPUT COUPLED TO A LOAD AND A SWITCH FOR CYCLICALLY CONNECTING A SOURCE OF UNREGULATED VOLTAGE TO THE INPUT OF SAID FILTER, THE COMBINATION COMPRISING CONSTANT FREQUENCY SOURCE MEANS, CYCLICAL MEANS FOR CLOSING SAID SWITCH IN RESPONSE TO SAID CONSTANT FREQUENCY SOURCE MEANS WHEREBY SAID UNREGULATED VOLTAGE IS CYCLICALLY CONNECTED TO SAID FILTER IN RESPONSE TO SAID CYCLICAL MEANS, MEANS FOR SENSING THE OUTPUT VOLTAGE OF SAID FILTER, AND VARIABLE MEANS COUPLED TO SAID SENSING MEANS FOR VARYING THE TIMING PERIOD OF SAID CYCLICAL MEANS PROPORTIONAL TO VARIATION OF SAID OUTPUT VOLTAGE.
Claim 2
Dependent Claim
110 words
IN A SYSTEM FOR PRODUCING A REGULATED VOLTAGE THROUGH A CIRCUIT INCLUDING A FILTER ADAPTED TO HAVE ITS OUTPUT COUPLED TO A LOAD AND A SWITCH FOR CYCLICALLY CONNECTING A SOURCE OF UNREGULATED VOLTAGE TO THE INPUT OF SAID FILTER, THE COMBINATION COMPRISING CONSTANT FREQUENCY SOURCE MEANS, CYCLICAL MEANS FOR CLOSING SAID SWITCH IN RESPONSE TO SAID CONSTANT FREQUENCY SOURCE MEANS WHEREBY SAID UNREGULATED VOLTAGE IS CYCLICALLY CONNECTED TO SAID FILTER IN RESPONSE TO SAID CYCLICAL MEANS, MEANS FOR SENSING THE OUTPUT VOLTAGE OF SAID FILTER, AND VARIABLE MEANS COUPLED TO SAID SENSING MEANS FOR VARYING THE TIMING PERIOD OF SAID CYCLICAL MEANS PROPORTIONAL TO VARIATION OF SAID OUTPUT VOLTAGE.
References Cited (Backward Citations)
USRE24671E
Cited
US2912637A
Cited
US3155838A
Cited
US3169232A
Cited
US3179871A
Cited
US3243689A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-02-20 | 1970-08-22 | 1971-02-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-20 | 1974-08-22 | 1975-02-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-20 | 1978-08-22 | 1979-02-21 | $7700.00 | Window Closed / Lapsed |