Patent US3083270A successfully refreshed from Google Patents.
US3083270A
Expired / Lapsed
US
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Pulse repeater marginal testing system
Assignee: AT&T Inc
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Filing: 1960-12-20
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Granted: 1963-03-26
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Expires: 1980-12-20
Abstract
No abstract record available.
Inventors
- 👤 John S Mayo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 15:23
CPC Classifications
H; H04; H04B; H04B17/00; H04B17/40; H04B17/401; H04B17/402; H04B17/404
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
140 words
IN COMBINATION WITH A QUASI-TERNARY PULSE COMMUNICATION SYSTEM HAVING A PLURALITY OF PULSE REGENERATIVE DEVICES CONNECTED ALONG A TRANSMISSION PATH, MEANS FOR LOCATING A DEVICE HAVING INFERIOR OPERATING CAPABILITIES WHICH COMPRISES, IN COMBINATION, MEANS FOR TRANSMITTING A PULSE TYPE TEST SIGNAL OVER SAID TRANSMISSION PATH, SAID TEST SIGNAL BEING CHARACTERIZED BY RECURRENT GROUPS OF UNIPOLAR PULSES, FILTERING MEANS CONNECTED TO THE OUTPUT OF EACH OF SAID REGENERATIVE DEVICES, EACH OF SAID FILTERING MEANS BEING RESPONSIVE TO A UNIQUE FREQUENCY INDICATIVE OF THE REGENERATIVE DEVICE TO WHICH IT IS CONNECTED, MEANS FOR ADJUSTING THE REPETITION FREQUENCY OF SAID GROUPS TO COINCIDE TO THAT FREQUENCY TO WHICH A PARTICULAR ONE OF SAID FILTERING MEANS IS RESPONSIVE, AND MEANS FOR ADJUSTING THE NUMBER OF UNIPOLAR PULSES IN EACH OF SAID GROUPS WHEREBY THE OPERATION OF EACH OF SAID REGENERATIVE DEVICES IS ADVERSELY AFFECTED.
Claim 2
Dependent Claim
140 words
IN COMBINATION WITH A QUASI-TERNARY PULSE COMMUNICATION SYSTEM HAVING A PLURALITY OF PULSE REGENERATIVE DEVICES CONNECTED ALONG A TRANSMISSION PATH, MEANS FOR LOCATING A DEVICE HAVING INFERIOR OPERATING CAPABILITIES WHICH COMPRISES, IN COMBINATION, MEANS FOR TRANSMITTING A PULSE TYPE TEST SIGNAL OVER SAID TRANSMISSION PATH, SAID TEST SIGNAL BEING CHARACTERIZED BY RECURRENT GROUPS OF UNIPOLAR PULSES, FILTERING MEANS CONNECTED TO THE OUTPUT OF EACH OF SAID REGENERATIVE DEVICES, EACH OF SAID FILTERING MEANS BEING RESPONSIVE TO A UNIQUE FREQUENCY INDICATIVE OF THE REGENERATIVE DEVICE TO WHICH IT IS CONNECTED, MEANS FOR ADJUSTING THE REPETITION FREQUENCY OF SAID GROUPS TO COINCIDE TO THAT FREQUENCY TO WHICH A PARTICULAR ONE OF SAID FILTERING MEANS IS RESPONSIVE, AND MEANS FOR ADJUSTING THE NUMBER OF UNIPOLAR PULSES IN EACH OF SAID GROUPS WHEREBY THE OPERATION OF EACH OF SAID REGENERATIVE DEVICES IS ADVERSELY AFFECTED.
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) | 1966-03-25 | 1966-09-24 | 1967-03-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-25 | 1970-09-24 | 1971-03-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-25 | 1974-09-24 | 1975-03-26 | $7700.00 | Window Closed / Lapsed |