Patent US3247462A successfully refreshed from Google Patents.
US3247462A
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Balanced paraphase amplifier including a feed forward path
Assignee: Tektronix Inc
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Filing: 1963-08-19
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Granted: 1966-04-19
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Expires: 1983-08-19
Abstract
No abstract record available.
Inventors
- 👤 John R Kobbe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 10:38
CPC Classifications
H; H03; H03F; H03F3/00; H03F3/45; H03F3/45071; H03F3/45076; H03F3/45179; H03F3/45197; H03F3/26; H03F3/28; H03F3/34; H03F3/343; H03G; H03G3/00; H03G3/02; H03G3/04; H03G3/06; H03G3/10; H03F2203/00; H03F2203/45; H03F2203/45466
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
106 words
AN AMPLIFIER CIRCUIT COMPRISING: A PAIR OF SIGNAL TRANSLATING DEVICES HAVING AN EMITTING ELECTRODE, A COLLECTING ELECTRODE AND A CONTROL ELECTRODE; A PAIR OF LOAD IMPEDANCES RESPECTIVELY CONNECTED TO EACH OF THE COLLECTING ELECTRODES OF SAID DEVICES; MEANS TO APPLY D.C. BIAS VOLTAGES TO THE EMITTING ELECTRODES OF SAID DEVICES; A VARIABLE COUPLING IMPEDANCE CONNECTED BETWEEN THE EMITTING ELECTRODES OF SAID DEVICES; AND SHUNT MEANS TO TRANSMIT A PORTION OF THE INPUT SIGNAL CURRENT APPLIED TO THE CONTROL ELECTRODE OF ONE OF SAID DEVICES AROUND SAID ONE DEVICE TO THE COLLECTING ELECTRODE OF SAID ONE DEVICE TO BALANCE THE OUTPUT SIGNALS PRODUCED ACROSS SAID LOAD IMPEDANCES.
Claim 2
Dependent Claim
106 words
AN AMPLIFIER CIRCUIT COMPRISING: A PAIR OF SIGNAL TRANSLATING DEVICES HAVING AN EMITTING ELECTRODE, A COLLECTING ELECTRODE AND A CONTROL ELECTRODE; A PAIR OF LOAD IMPEDANCES RESPECTIVELY CONNECTED TO EACH OF THE COLLECTING ELECTRODES OF SAID DEVICES; MEANS TO APPLY D.C. BIAS VOLTAGES TO THE EMITTING ELECTRODES OF SAID DEVICES; A VARIABLE COUPLING IMPEDANCE CONNECTED BETWEEN THE EMITTING ELECTRODES OF SAID DEVICES; AND SHUNT MEANS TO TRANSMIT A PORTION OF THE INPUT SIGNAL CURRENT APPLIED TO THE CONTROL ELECTRODE OF ONE OF SAID DEVICES AROUND SAID ONE DEVICE TO THE COLLECTING ELECTRODE OF SAID ONE DEVICE TO BALANCE THE OUTPUT SIGNALS PRODUCED ACROSS SAID LOAD IMPEDANCES.
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) | 1969-04-18 | 1969-10-18 | 1970-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-18 | 1973-10-18 | 1974-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-18 | 1977-10-18 | 1978-04-19 | $7700.00 | Window Closed / Lapsed |