US3209161A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Information transfer system
Assignee: Individual
•
Filing: 1961-03-08
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Granted: 1965-09-28
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Expires: 1981-03-08
Abstract
No abstract record available.
Inventors
- 👤 John C Lovci
- 👤 Allen A Yurek
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 16:18
CPC Classifications
H; H03; H03K; H03K3/00; H03K3/78; H04; H04L; H04L25/00; H04L25/02; H04L25/0264; H04L25/0266; H04L25/0268
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
163 words
IN A SIGNAL TRANSMITTING SYSTEM, THE COMBINATION THEREWITH OF AN INPUT CONNECTOR, AN OUTPUT CONNECTOR, A PULSLED INPUT VOLTAGE, A VOLTAGE DIVIDING RESISTANCE CONNECTED BETWWEN SAID CONNECTORS, AN RF FILTER CONNECTED ACROSS SAID RESISTANCE, ANN OSCILLATING TRANSISTO WITH ITS BASE CONNECTED INTERMEDIATE THE ENDS OF SAID RESISTANCE, A DIRECT CURRENT ISOLATING TRANSFORMER WITH A CORE AND HAVING A PRIMARY WINDING CONNECTED BETWEEN ONE END OF SAID RESISTANCE AND THE EMITTER OF SAID TRANSISTOR, AND HAVISNG A FIRST SECONDARY WINDING CONNECTED ACCROSS THE COLLECTOR OF SAID TRANSISTTOR AND TTHE LOW END OF SAID RESISTANCE, A FIRST CAPACITOR IN PARALLEL WITH SAID FIRST SECONDARY WINDING, A SECOND CAPACITOR CONNECTED ACROSS SAID PRIMARY WINDING AND THE BASE OF SAID TRANSISTOR, SAID TRANSFORMER HAVING A SECOND SECONDARY WINDING, CONNECTED TO A RECTIFIER, A FILTER CIRCUIT CONNECTED ACROSS SAID RECTIFIER AND THE OTHER END OF SAID SECOND SECONDARY, SAID RECTTIFIER AND FILTER CIRCUIT FORMING A SIGNAL CONVERSION MEANS FOR CONVERTING THE SIGNAL FROM SAID OSCILLATING TRANSISTOR INTO A
Claim 2
Dependent Claim
163 words
IN A SIGNAL TRANSMITTING SYSTEM, THE COMBINATION THEREWITH OF AN INPUT CONNECTOR, AN OUTPUT CONNECTOR, A PULSLED INPUT VOLTAGE, A VOLTAGE DIVIDING RESISTANCE CONNECTED BETWWEN SAID CONNECTORS, AN RF FILTER CONNECTED ACROSS SAID RESISTANCE, ANN OSCILLATING TRANSISTO WITH ITS BASE CONNECTED INTERMEDIATE THE ENDS OF SAID RESISTANCE, A DIRECT CURRENT ISOLATING TRANSFORMER WITH A CORE AND HAVING A PRIMARY WINDING CONNECTED BETWEEN ONE END OF SAID RESISTANCE AND THE EMITTER OF SAID TRANSISTOR, AND HAVISNG A FIRST SECONDARY WINDING CONNECTED ACCROSS THE COLLECTOR OF SAID TRANSISTTOR AND TTHE LOW END OF SAID RESISTANCE, A FIRST CAPACITOR IN PARALLEL WITH SAID FIRST SECONDARY WINDING, A SECOND CAPACITOR CONNECTED ACROSS SAID PRIMARY WINDING AND THE BASE OF SAID TRANSISTOR, SAID TRANSFORMER HAVING A SECOND SECONDARY WINDING, CONNECTED TO A RECTIFIER, A FILTER CIRCUIT CONNECTED ACROSS SAID RECTIFIER AND THE OTHER END OF SAID SECOND SECONDARY, SAID RECTTIFIER AND FILTER CIRCUIT FORMING A SIGNAL CONVERSION MEANS FOR CONVERTING THE SIGNAL FROM SAID OSCILLATING TRANSISTOR INTO A
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) | 1968-09-27 | 1969-03-29 | 1969-09-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-27 | 1973-03-29 | 1973-09-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-27 | 1977-03-29 | 1977-09-28 | $7700.00 | Window Closed / Lapsed |