US3103647A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transmitter and receiver signaling circuits
Assignee: AT&T Inc
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Filing: 1959-07-01
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Granted: 1963-09-10
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Expires: 1979-07-01
Abstract
No abstract record available.
Inventors
- 👤 Dorros Irwin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:21
CPC Classifications
H; H04; H04Q; H04Q3/00; H04Q3/42; H04Q3/52; H04Q3/521; H04Q1/00; H04Q1/18; H04Q1/30; H04Q1/38
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
145 words
A SIGNALING CIRCUIT FOR TRANSFERRING PULSES BETWEEN CIRCUITS COMPRISING A TRANSMITTER HAVING INPUT MEANS, OUTPUT MEANS, A TUNED CIRCUIT CONNECTED TO SAID INPUT MEANS, AND GATING MEANS CONNECTING SAID TUNED CIRCUIT AND SAID OUTPUT MEANS AND OPERATIVE RESPONSIVE TO PULSES OF A SINGLE POLARITY; A BIPOLAR RECEIVER COMPRISING A FIRST CHANNEL AND A SECOND CHANNEL OPERATIVE RESPECTIVELY ON PULSES OF OPPOSITE POLARITY, EACH OF SAID CHANNELS INCLUDING INPUT MEANS, OUTPUT MEANS, SWITCHING MEANS CONNECTING SAID INPUT AND OUTPUT MEANS OPERATIVE IN RESPONSE TO PULSES OF A SINGLE POLARITY, AND FEEDBACK MEANS CONNECTED TO SAID OUTPUT MEANS OF BOTH OF SAID CHANNELS AND SAID SWITCHING MEANS FOR DISABLING BOTH OF SAID CHANNELS IN RESPONSE TO AN OUTPUT SIGNAL FROM EITHER OF SAID CHANNELS; AND MEANS INCLUDING SAID FEEDBACK MEANS FOR DISABLING SAID RECEIVER IN RESPONSE TO AN INPUT SIGNAL AT SAID INPUT MEANS OF SAID TRANSMITTER.
Claim 2
Dependent Claim
145 words
A SIGNALING CIRCUIT FOR TRANSFERRING PULSES BETWEEN CIRCUITS COMPRISING A TRANSMITTER HAVING INPUT MEANS, OUTPUT MEANS, A TUNED CIRCUIT CONNECTED TO SAID INPUT MEANS, AND GATING MEANS CONNECTING SAID TUNED CIRCUIT AND SAID OUTPUT MEANS AND OPERATIVE RESPONSIVE TO PULSES OF A SINGLE POLARITY; A BIPOLAR RECEIVER COMPRISING A FIRST CHANNEL AND A SECOND CHANNEL OPERATIVE RESPECTIVELY ON PULSES OF OPPOSITE POLARITY, EACH OF SAID CHANNELS INCLUDING INPUT MEANS, OUTPUT MEANS, SWITCHING MEANS CONNECTING SAID INPUT AND OUTPUT MEANS OPERATIVE IN RESPONSE TO PULSES OF A SINGLE POLARITY, AND FEEDBACK MEANS CONNECTED TO SAID OUTPUT MEANS OF BOTH OF SAID CHANNELS AND SAID SWITCHING MEANS FOR DISABLING BOTH OF SAID CHANNELS IN RESPONSE TO AN OUTPUT SIGNAL FROM EITHER OF SAID CHANNELS; AND MEANS INCLUDING SAID FEEDBACK MEANS FOR DISABLING SAID RECEIVER IN RESPONSE TO AN INPUT SIGNAL AT SAID INPUT MEANS OF SAID TRANSMITTER.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-09-09 | 1967-03-11 | 1967-09-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-09 | 1971-03-11 | 1971-09-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-09 | 1975-03-11 | 1975-09-10 | $7700.00 | Window Closed / Lapsed |