US3238445A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Saturable core pulse width control apparatus
Assignee: Honeywell Inc
•
Filing: 1962-05-18
•
Granted: 1966-03-01
•
Expires: 1982-05-18
Abstract
No abstract record available.
Inventors
- 👤 Daniel J Sikorra
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 10:25
CPC Classifications
H; H02; H02M; H02M7/00; H02M7/42; H02M7/44; H02M7/48; H02M7/53; H02M7/537; H02M7/5387; H02M7/53871; H02P; H02P7/00; H02P7/06; H02P7/18; H02P7/24; H02P7/28; H02P7/285; H02P7/29; Y; Y10; Y10S; Y10S388/00; Y10S388/907; Y10S388/913
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
153 words
APPARATUS OF THE CLASS DESCRIBED COMPRISING: FIRST, SECOND, THIRD AND FOURTH CURRENT CONTROL MEANS; MEANS CONNECTING SAID FIRST AND THIRD CURRENT CONTROL MEANS IN SERIES; MEANS CONNECTING SAID SECOND AND FOURTH CURRENT CONTROL MEANS IN SERIES ACROSS SAID FIRST AND THIRD CURRENT CONTROL MEANS SO AS TO FORM A BRIDGE CIRCUIT; MEANS FOR CONNECTING A LOAD ACROSS ONE DIAGONAL OF SAID BRIDGE CIRCUIT; MEANS FOR CONNECTING A SOURCE OF ENERGIZING POTENTIAL ACROSS THE OTHER DIAGONAL OF SAID BRIDGE CIRCUIT; A SATURABLE TRANSFORMER HAVING PRIMARY WINDINGS AND FIRST, SECOND, THIRD AND FOURTH SECONDARY WINDINGS; MEANS CONNECTING THE PRIMARY WINDINGS OF SAID SATURABLE TRANSFORMER ACROSS SAID LOAD MEANS; MEANS CONNECTING THE FIRST, SECOND, THIRD AND FOURTH SECONDARY WINDINGS OF SAID SATURABLE TRANSFORMER IN CONTROLLING RELATION OF SAID FIRST, SECOND, THIRD AND FOURTH CURRENT CONTROL MEANS RESPECTIVELY; AND MEANS FOR CONNECTING A SOURCE OF INPUT SIGNALS IN CIRCUIT WITH THE PRIMARY WINDINGS OF SAID SATURABLE TRANSFORMER.
Claim 2
Dependent Claim
153 words
APPARATUS OF THE CLASS DESCRIBED COMPRISING: FIRST, SECOND, THIRD AND FOURTH CURRENT CONTROL MEANS; MEANS CONNECTING SAID FIRST AND THIRD CURRENT CONTROL MEANS IN SERIES; MEANS CONNECTING SAID SECOND AND FOURTH CURRENT CONTROL MEANS IN SERIES ACROSS SAID FIRST AND THIRD CURRENT CONTROL MEANS SO AS TO FORM A BRIDGE CIRCUIT; MEANS FOR CONNECTING A LOAD ACROSS ONE DIAGONAL OF SAID BRIDGE CIRCUIT; MEANS FOR CONNECTING A SOURCE OF ENERGIZING POTENTIAL ACROSS THE OTHER DIAGONAL OF SAID BRIDGE CIRCUIT; A SATURABLE TRANSFORMER HAVING PRIMARY WINDINGS AND FIRST, SECOND, THIRD AND FOURTH SECONDARY WINDINGS; MEANS CONNECTING THE PRIMARY WINDINGS OF SAID SATURABLE TRANSFORMER ACROSS SAID LOAD MEANS; MEANS CONNECTING THE FIRST, SECOND, THIRD AND FOURTH SECONDARY WINDINGS OF SAID SATURABLE TRANSFORMER IN CONTROLLING RELATION OF SAID FIRST, SECOND, THIRD AND FOURTH CURRENT CONTROL MEANS RESPECTIVELY; AND MEANS FOR CONNECTING A SOURCE OF INPUT SIGNALS IN CIRCUIT WITH THE PRIMARY WINDINGS OF SAID SATURABLE TRANSFORMER.
References Cited (Backward Citations)
US2821639A
Cited
US2931991A
Cited
US2897296A
Cited
US3034072A
Cited
US3080534A
Cited
US3067378A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-02-28 | 1969-08-30 | 1970-03-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-28 | 1973-08-30 | 1974-03-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-28 | 1977-08-30 | 1978-03-01 | $7700.00 | Window Closed / Lapsed |