US3381137A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Frequency divider wherein regenerative switching circuits produce phase displaced periodic signals
Assignee: Bankers Trust Co
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Filing: 1966-10-17
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Granted: 1968-04-30
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Expires: 1986-10-17
Abstract
No abstract record available.
Inventors
- 👤 Buck C Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:26
CPC Classifications
H; H03; H03K; H03K5/00; H03K5/00006; H03K5/15; H03K5/15013; H03K5/1506; H03K5/15066
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
206 words
APPARATUS COMPRISING THE COMBINATION OF A PLURALITY OF LOAD DEVICES; FIRST, SECOND AND THIRD REGENERATIVE SWITCHING MEANS EACH CONNECTED TO ONE OF SAID LOAD DEVICES, FOR CONTROLLING THE FLOW OF CURRENT THROUGH ONE OF SAID LOAD DEVICES; EACH OF SAID SWITCHING MEANS HAVING AN INPUT TERMINAL AND A SWITCHABLE PATH, SAID LOAD DEVICES BEING CONNECTED IN SERIES CIRCUIT RELATIONSHIP WITH SAID SWITCHABLE PATH, EACH SAID SWITCHING MEANS HAVING A FIRST STATE IN WHICH SAID SWITCHABLE PATH FREELY CONDUCTS CURRENT AND A SECOND STATE IN WHICH SAID PATH CONDUCTS SUBSTANTIALLY NO CURRENT; A RESISTOR CONNECTED IN SERIES CIRCUIT RELATIONSHIP WITH SAID FIRST, SECOND AND THIRD REGENERATIVE SWITCHING MEANS; FOURTH SWITCHING MEANS FOR CONTROLLING THE SWITCHING RATE OF SAID FIRST, SECOND AND THIRD SWITCHING MEANS, SAID FOURTH SWITCHING MEANS HAVING A CONTROL TERMINAL TO WHICH A PULSATING ELECTRICAL SIGNAL CAN BE APPLIED AND A SWITCHABLE CONDUCTIVITY PATH, SAID SWITCHABLE PATH OF SAID FOURTH SWITCHING MEANS BEING CONNECTED IN SERIES CIRCUIT RELATIONSHIP WITH SAID RESISTOR, THE CURRENT FLOW THROUGH SAID RESISTOR FROM SAID FOURTH SWITCHING MEANS BEING SUFFICIENT TO RENDER ALL BUT ONE OF SAID FIRST, SECOND AND THIRD SWITCHING MEANS NONCONDUCTIVE; AND CIRCUIT MEANS INTERCONNECTING SAID FIRST, SECOND AND THIRD SWITCHING MEANS TO DEFINE A PREDETERMINED SWITCHING SEQUENCE.
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) | 1971-04-30 | 1971-10-30 | 1972-04-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-30 | 1975-10-30 | 1976-04-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-30 | 1979-10-30 | 1980-04-30 | $7700.00 | Window Closed / Lapsed |