Patent US2347777A successfully refreshed from Google Patents.
US3159753A
Expired / Lapsed
US
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Gate circuit having phase shift and storage means effecting energization during a range of values
Assignee: AT&T Inc
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Filing: 1962-06-05
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Granted: 1964-12-01
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Expires: 1982-06-05
Abstract
No abstract record available.
Inventors
- 👤 Robert E D Anderson
- 👤 Duca Joseph La
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:20
CPC Classifications
H; H02; H02M; H02M1/00; H02M1/08; H02M1/081
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
329 words
IN COMBINATION, A SOURCE OF AN INPUT ELECTRICAL WAVE, AN OUTPUT, SWITCHING MEANS FOR CONNECTING SAID SOURCE TO SAID OUTPUT, AND MEANS FOR ACTUATING SAID SWITCHING MEANS COMPRISING MEANS FOR PRODUCING A WAVE SHIFTED IN PHASE WITH RESPECT TO THE PHASE OF SAID INPUT WAVE AND GATING MEANS FOR PRODUCING A SWITCHING SIGNAL COMMENCING AT THE INSTAT SAID SHIFTED WAVE IS PASSING FROM A FIRST RANGE OF VALUES THROUGH AN INTERMEDIATE VALUE TO A SECOND RANGE OF VALUES, SAID GATING MEANS INCLUDING SEMICONDUCTIVE SWITCHING APPARATUS HAVING A CONTROLLING SIGNAL PATH AND A DEPENDENT SIGNAL PATH THAT IS ENABLED BY AN ENABLING SIGNAL IN SAID CONTROLLING SIGNAL PATH, AN ENERGY STORAGE DEVICE, FIRST MEANS FOR CONNECTING SAID DEPENDENT CURRENT PATH IN SERIES RELATIONSHIP WITH THE SWITCHING MEANS ACROSS THE PHASE-SHIFTING MEANS, SAID FIRST CONNECTING MEANS AND SAID DEPENDENT PATH TOGETHER HAVING A FIRST UNILATERALLY CONDUCTIVE PORTION CONNECTED IN A FIRST POLARITY ACROSS SAID PHASE-SHIFTING MEANS TO BLOCK SAID PHASE-SHIFTED WAVE FROM SAID SWITCHING MEANS WHEN SAID PHASE-SHIFTED WAVE HAS A VALUE WITHIN SAID FIRST RANGE OF VALUES AND TO PASS SAID PHASE-SHIFTED WAVE WHENEVER SAID DEPENDENT PATH IS ENABLED WHEN SAID PHASE-SHIFTED WAVE HAS A VALUE WITHIN SAID SECOND RANGE OF VALUES, AND SECOND MEANS FOR CONNECTING SAID CONTROLLING SIGNAL PATH AND SAID STORAGE DEVICE ACROSS SAID PHASE-SHIFT ING MEANS, SAID SECOND CONNECTING MEANS AND SAID CONTROLLING PATH TOGETHER HAVING A SECOND UNILATERALLY CONDUCTIVE PORTION CONNECTED IN THE OPPOSITE POLARITY ACROSS SAID PHASE-SHIFTING MEANS TO BLOCK SAID PHASE-SHIFTED WAVE FROM SAID CONTROLLING PATH THROUGHOUT SAID SECOND RANGE OF VALUES, SAID SECOND CONNECTING MEANS BEING ARRAGED TO PASS ENERAGY TO SAID STORAGE DEVICE TO BE STORED IN RESPONSE TO SAID WAVE WHEN SAID PHASE-SHIFTED WAVE HAS A VALUE WITHIN SAID FIRST RANGE OF VALUES, AND SECOND CONNECTING MEANS BEING ARRANGED TO PASS SAID STORED ENERGY FROM SAID STORAGE DEVICE THROUGH SAID CONTROLLING SIGNAL PATH AS SAID ENABLING SIGNAL WHEN SAID PHASESHIFTED WAVE HAS A VALUE WITHIN SAID SECOND RANGE OF VALUES.
References Cited (Backward Citations)
US2942123A
Cited
US2977523A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-12-01 | 1968-06-01 | 1968-12-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-12-01 | 1972-06-01 | 1972-12-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-12-01 | 1976-06-01 | 1976-12-01 | $7700.00 | Window Closed / Lapsed |