US3097343A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transistor distributed amplifier
Assignee: Marconis Wireless Telegraph Co Ltd
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Filing: 1960-11-28
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Granted: 1963-07-09
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Expires: 1980-11-28
Abstract
No abstract record available.
Inventors
- 👤 Sosin Boleslaw Marian
- 👤 Gerard Roger Edwin John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:03
CPC Classifications
H; H03; H03F; H03F1/00; H03F1/08; H03F1/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
144 words
A TRANSISTOR DISTRIBUTED AMPLIFIER COMPRISING AN INPUT FILTER LINE, A PLURALITY OF TRANSFORMERS PROVIDING CURRENT TRANSFORMATION BETWEEN THEIR PRIMARY AND SECONDARY WINDINGS AND HAVING THEIR PRIMARY WINDINGS CONNECTED IN SERIES WITH SAID INPUT FILTER LINE AT DIFFERENT POINTS THEREIN, AN OUTPUT FILTER LINE HAVING SHUNT ARMS THEREOF CONSTITUED AT LEAST IN PART BY TRANSISTOR ELECTRODE CAPACITIES, A PLURALITY OF TRANSISTORS HAVING THEIR INPUT ELECTRODES CONNECTED TO RECEIVE SIGNALS FROM THE SECONDARY WINDINGS OF DIFFERENT ONES OF SAID TRANSFORMERS AND THEIR OUTPUT ELECTRODES CONNECTED TO DIFFERENT POINTS ALONG THE OUTPUT FILTER LINE, SAID LAST MENTIONED POINTS BEING SO CHOSEN THAT THE DELAYS ALONG THE OUTPUT FILTER LINE BETWEEN SAID OUTPUT ELECTRODES ARE SUBSTANTIALLY EQUAL TO THE DELAY ALONG THE INPUT FILTER LINE BETWEEN CORRESPONDING INPUT ELECTRODES, MEANS FOR APPLYING SIGNALS TO SAID INPUT FILTER LINE AND MEANS FOR TAKING OUTPUT FROM SAID OUTPUT FILTER LINE.
Claim 2
Dependent Claim
144 words
A TRANSISTOR DISTRIBUTED AMPLIFIER COMPRISING AN INPUT FILTER LINE, A PLURALITY OF TRANSFORMERS PROVIDING CURRENT TRANSFORMATION BETWEEN THEIR PRIMARY AND SECONDARY WINDINGS AND HAVING THEIR PRIMARY WINDINGS CONNECTED IN SERIES WITH SAID INPUT FILTER LINE AT DIFFERENT POINTS THEREIN, AN OUTPUT FILTER LINE HAVING SHUNT ARMS THEREOF CONSTITUED AT LEAST IN PART BY TRANSISTOR ELECTRODE CAPACITIES, A PLURALITY OF TRANSISTORS HAVING THEIR INPUT ELECTRODES CONNECTED TO RECEIVE SIGNALS FROM THE SECONDARY WINDINGS OF DIFFERENT ONES OF SAID TRANSFORMERS AND THEIR OUTPUT ELECTRODES CONNECTED TO DIFFERENT POINTS ALONG THE OUTPUT FILTER LINE, SAID LAST MENTIONED POINTS BEING SO CHOSEN THAT THE DELAYS ALONG THE OUTPUT FILTER LINE BETWEEN SAID OUTPUT ELECTRODES ARE SUBSTANTIALLY EQUAL TO THE DELAY ALONG THE INPUT FILTER LINE BETWEEN CORRESPONDING INPUT ELECTRODES, MEANS FOR APPLYING SIGNALS TO SAID INPUT FILTER LINE AND MEANS FOR TAKING OUTPUT FROM SAID OUTPUT FILTER LINE.
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) | 1966-07-08 | 1967-01-07 | 1967-07-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-08 | 1971-01-07 | 1971-07-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-08 | 1975-01-07 | 1975-07-09 | $7700.00 | Window Closed / Lapsed |