US3114885A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Integrating circuit
Assignee: Bendix Corp
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Filing: 1960-06-06
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Granted: 1963-12-17
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Expires: 1980-06-06
Abstract
No abstract record available.
Inventors
- 👤 Delmar V Payne
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:13
CPC Classifications
G; G11; G11C; G11C27/00; G11C27/02; G11C27/024
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
192 words
AN INTEGRATOR CIRCUIT COMPRISING AN INPUT MEANS, A DUAL TRIODE TUBE HAVING FIRST AND SECOND CATHODE FOLLOWER TRIODES IN A COMMON GAS-TIGHT ENVELOPE, INTEGRATING CAPACITOR MEANS BEING CONNECTED TO SAID INPUT MEANS AND TO THE GRID OF SAID FIRST TRIODE, CHARGING MEANS BEING CONNECTED TO THE CATHODE OF SAID FIRST TRIODE AND TO SAID INTEGRATING CAPACITOR MEANS TO SUPPLY CHARGE TO SAID CAPACITOR MEANS ACCORDING TO THE MAGNITUDE OF THE INPUT PULSES, SAID CHARGING MEANS BEING CONTROLLED BY THE CATHODE OUTPUT OF SAID FIRST CATHODE FOLLOWER, OUTPUT MEANS BEING CONNECTED TO SAID INTEGRATING CAPACITOR MEANS SO THAT IT IS AT A POTENTIAL CORRESPONDING TO THE CHARGE ON SAID INTEGRATING CAPACITOR MEANS, COMPENSATING CAPACITOR MEANS BEING CONNECTED BETWEEN SAID OUTPUT MEANS AND THE GRID OF SAID SECOND TRIODE, SO THAT THE VOLTAGE OF SAID SECOND TRIODE GRID WILL VARY ACCORDING TO THE SECOND TRIODE GRID CURRENT AND OUTPUT VOLTAGE, EACH OF SAID CATHODE FOLLOWER TRIODES HAVING CATHODE RESISTANCES, MEANS BEING CONNECTED TO THE SECOND TRIODE CATHODE RESISTANCE TO ADJUST THE FIRST AND SECOND TRIODE PLATE VOLTAGES IN ACCORDANCE WITH SAID SECOND TRIODE CATHODE RESISTANCE VOLTAGE TO REDUCE FIRST AND SECOND TRIODE GRID CURRENT.
Claim 2
Dependent Claim
192 words
AN INTEGRATOR CIRCUIT COMPRISING AN INPUT MEANS, A DUAL TRIODE TUBE HAVING FIRST AND SECOND CATHODE FOLLOWER TRIODES IN A COMMON GAS-TIGHT ENVELOPE, INTEGRATING CAPACITOR MEANS BEING CONNECTED TO SAID INPUT MEANS AND TO THE GRID OF SAID FIRST TRIODE, CHARGING MEANS BEING CONNECTED TO THE CATHODE OF SAID FIRST TRIODE AND TO SAID INTEGRATING CAPACITOR MEANS TO SUPPLY CHARGE TO SAID CAPACITOR MEANS ACCORDING TO THE MAGNITUDE OF THE INPUT PULSES, SAID CHARGING MEANS BEING CONTROLLED BY THE CATHODE OUTPUT OF SAID FIRST CATHODE FOLLOWER, OUTPUT MEANS BEING CONNECTED TO SAID INTEGRATING CAPACITOR MEANS SO THAT IT IS AT A POTENTIAL CORRESPONDING TO THE CHARGE ON SAID INTEGRATING CAPACITOR MEANS, COMPENSATING CAPACITOR MEANS BEING CONNECTED BETWEEN SAID OUTPUT MEANS AND THE GRID OF SAID SECOND TRIODE, SO THAT THE VOLTAGE OF SAID SECOND TRIODE GRID WILL VARY ACCORDING TO THE SECOND TRIODE GRID CURRENT AND OUTPUT VOLTAGE, EACH OF SAID CATHODE FOLLOWER TRIODES HAVING CATHODE RESISTANCES, MEANS BEING CONNECTED TO THE SECOND TRIODE CATHODE RESISTANCE TO ADJUST THE FIRST AND SECOND TRIODE PLATE VOLTAGES IN ACCORDANCE WITH SAID SECOND TRIODE CATHODE RESISTANCE VOLTAGE TO REDUCE FIRST AND SECOND TRIODE GRID CURRENT.
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) | 1966-12-16 | 1967-06-17 | 1967-12-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-16 | 1971-06-17 | 1971-12-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-16 | 1975-06-17 | 1975-12-17 | $7700.00 | Window Closed / Lapsed |