Patent US3072853A successfully refreshed from Google Patents.
US3072853A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gate circuit
Assignee: Individual
•
Filing: 1960-01-26
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Granted: 1963-01-08
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Expires: 1980-01-26
Abstract
No abstract record available.
Inventors
- 👤 John R Buffington
- 👤 Ralph G Hawkins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 04:57
CPC Classifications
H; H03; H03F; H03F3/00; H03F3/72; H03K; H03K17/00; H03K17/51; H03K17/54
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
112 words
A GATING CIRCUIT COMPRISING FIRST AND SECOND SIMILAR ELECTRON TUBE UNITS, A PLURALITY OF INPUTS CONNECTED TO SAID ELECTRON TUBE UNITS, EACH OF SAID UNITS HAVING TWO ANODES DIRECTLY CONNECTED TOGETHER AND TWO CATHODES, ONE CATHODE OF EACH UNIT BEING CONNECTED DIRECTLY TOGETHER, MEANS COUPLING A GATING SIGNAL TO SAID DIRECTLY CONNECTED CATHODES THROUGH A FIRST INPUT, MEANS COUPLING A REFERENCE VOLTAGE TO ONE OF THE REMAINING CATHODES THROUGH A SECOND INPUT, MEANS COUPLING A SIGNAL VOLTAGE TO THE OTHER OF THE REMAINING CATHODES THROUGH A THIRD INPUT, AND DIFFERENTIAL AMPLIFIER MEANS COUPLED TO SAID ELECTRON UNITS TO PROVIDE A GATED OUTPUT PROPORTIONAL TO THE MAGNITUDE AND POLARITY OF THE SIGNAL VOLTAGE.
Claim 2
Dependent Claim
112 words
A GATING CIRCUIT COMPRISING FIRST AND SECOND SIMILAR ELECTRON TUBE UNITS, A PLURALITY OF INPUTS CONNECTED TO SAID ELECTRON TUBE UNITS, EACH OF SAID UNITS HAVING TWO ANODES DIRECTLY CONNECTED TOGETHER AND TWO CATHODES, ONE CATHODE OF EACH UNIT BEING CONNECTED DIRECTLY TOGETHER, MEANS COUPLING A GATING SIGNAL TO SAID DIRECTLY CONNECTED CATHODES THROUGH A FIRST INPUT, MEANS COUPLING A REFERENCE VOLTAGE TO ONE OF THE REMAINING CATHODES THROUGH A SECOND INPUT, MEANS COUPLING A SIGNAL VOLTAGE TO THE OTHER OF THE REMAINING CATHODES THROUGH A THIRD INPUT, AND DIFFERENTIAL AMPLIFIER MEANS COUPLED TO SAID ELECTRON UNITS TO PROVIDE A GATED OUTPUT PROPORTIONAL TO THE MAGNITUDE AND POLARITY OF THE SIGNAL VOLTAGE.
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) | 1966-01-07 | 1966-07-09 | 1967-01-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-07 | 1970-07-09 | 1971-01-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-07 | 1974-07-09 | 1975-01-08 | $7700.00 | Window Closed / Lapsed |