US3165647A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ring counter with no feedback comprising silicon controlled rectifier stages
Assignee: ALPHA TRONICS CORP
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Filing: 1962-06-20
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Granted: 1965-01-12
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Expires: 1982-06-20
Abstract
No abstract record available.
Inventors
- 👤 Bottari Louis A De
- 👤 Guajardo Ciro
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 09:35
CPC Classifications
H; H03; H03K; H03K23/00; H03K23/84
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
179 words
A COUNTER COMPRISING A PLURALITY OF SWITCHING ELEMENTS CONNECTED IN CASCADE, INCLUDING FIRST AND LAST SWITCHING ELEMENTS, EACH OF SAID SWITCHING ELEMENTS COMPRISING INPUT, OUTPUT AND CONTROL ELECTRODES, A LOAD IMPEDANCE FOR EACH OF SAID SWITCHING ELEMENTS AND CONNECTED FOR APPLYING AN ELECTRICAL SIGNAL TO THE INPUT ELECTRODE THEREOF, A VOLTAGE DIVIDER CIRCUIT CONNECTED FOR APPLYING A CONSTANT BIAS POTENTIAL TO THE CONTROL ELECTRODE OF SAID FIRST SWITCHING ELEMENT, A SEPARATE CAPACITIVE ELEMENT FOR EACH SWITCHING ELEMENT OTHER THAN SAID LAST SWITCHING ELEMENT AND CONNECTED BETWEEN THE INPUT ELECTRODE OF THE CORRESPONDING SWITCHING ELEMENT AND THE CONTROL ELECTRODE OF THE SUCCEEDING SWITCHING ELEMENT IN THE CASCADE, AN IMPEDANCE ELEMENT OF EACH OF SAID CAPACITIVE ELEMENTS AND CONNECTED FOR SEPARATELY APPLYING AN ELECTRICAL SIGNAL TO THE COMMON JUNCTION OF THE CAPACITIVE ELEMENT AND THE CONNECTED CONTROL ELECTRODE, A TWO TERMINAL LOAD IMPEDANCE HAVING ONE TERMINAL CONNECTED IN COMMON TO THE OUTPUT ELECTRODE OF EACH OF SAID SWITCHING ELEMENTS, AND A TRANSISTOR SWITCHING CIRCUIT CONNECTED TO THE OTHER TERMINAL OF THE COMMON IMPEDANCE ELEMENT FOR APPLYING AN ELECTRICAL REFERENCE POTENTIAL THERETO.
Claim 2
Dependent Claim
179 words
A COUNTER COMPRISING A PLURALITY OF SWITCHING ELEMENTS CONNECTED IN CASCADE, INCLUDING FIRST AND LAST SWITCHING ELEMENTS, EACH OF SAID SWITCHING ELEMENTS COMPRISING INPUT, OUTPUT AND CONTROL ELECTRODES, A LOAD IMPEDANCE FOR EACH OF SAID SWITCHING ELEMENTS AND CONNECTED FOR APPLYING AN ELECTRICAL SIGNAL TO THE INPUT ELECTRODE THEREOF, A VOLTAGE DIVIDER CIRCUIT CONNECTED FOR APPLYING A CONSTANT BIAS POTENTIAL TO THE CONTROL ELECTRODE OF SAID FIRST SWITCHING ELEMENT, A SEPARATE CAPACITIVE ELEMENT FOR EACH SWITCHING ELEMENT OTHER THAN SAID LAST SWITCHING ELEMENT AND CONNECTED BETWEEN THE INPUT ELECTRODE OF THE CORRESPONDING SWITCHING ELEMENT AND THE CONTROL ELECTRODE OF THE SUCCEEDING SWITCHING ELEMENT IN THE CASCADE, AN IMPEDANCE ELEMENT OF EACH OF SAID CAPACITIVE ELEMENTS AND CONNECTED FOR SEPARATELY APPLYING AN ELECTRICAL SIGNAL TO THE COMMON JUNCTION OF THE CAPACITIVE ELEMENT AND THE CONNECTED CONTROL ELECTRODE, A TWO TERMINAL LOAD IMPEDANCE HAVING ONE TERMINAL CONNECTED IN COMMON TO THE OUTPUT ELECTRODE OF EACH OF SAID SWITCHING ELEMENTS, AND A TRANSISTOR SWITCHING CIRCUIT CONNECTED TO THE OTHER TERMINAL OF THE COMMON IMPEDANCE ELEMENT FOR APPLYING AN ELECTRICAL REFERENCE POTENTIAL THERETO.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-01-12 | 1968-07-13 | 1969-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-01-12 | 1972-07-13 | 1973-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-01-12 | 1976-07-13 | 1977-01-12 | $7700.00 | Window Closed / Lapsed |