Patent US3206681A successfully refreshed from Google Patents.
US3206681A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pulse code detecting systems
Assignee: Electro Mechanical Research Inc
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Filing: 1961-10-02
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Granted: 1965-09-14
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Expires: 1981-10-02
Abstract
No abstract record available.
Inventors
- 👤 Lloyd R Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:13
CPC Classifications
H; H04; H04L; H04L25/00; H04L25/02; H04L25/20; H04L25/24; H04L25/242
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
140 words
IN A SYSTEM FOR PROCESSING AN INCOMING COCED ELECTRIC SIGNAL WHOSE AMPLITUDE SELECTIVELY ASSUMES ONE OF TWO PRESCRIBED AMPLITUDE LEVELS IN ACCORDANCE WITH THE ENCODED INTELLIGENCE, THE COMBINATION COMPRISING: A PHASE-LOCKED LOOP INCLUDING: FIRST AND SECOND PHASECOMPARING MEANS OPERATIVELY CONNECTED TO RECEIVE SAID INCOMING SIGNAL AND TO PROVIDE A CLOCK SIGNAL, A RESET INTEGRATOR COUPLED TO THE OUTPUT OF SAID FIRST COMPARING MEANS, A HOLD CIRCUIT COUPLED BETWEEN SAID RESET INTEGRATOR AND SAID SECOND PHASE-COMPARING MEANS, AND SIGNAL GENERATING MEANS COUPLED BETWEEN SAID FIRST AND SECOND PHASE-COMPARING MEANS; SIGNAL-CONDITIONING MEANS INCLUDING AVERAGING MEANS OPERATIVELY CONNECTED TO RECEIVE SAID INCOMING SIGNAL AND TO PROVIDE A CONDITIONED SIGNAL WHICH IS A CLEAN REPLICA OF SAID INCOMING SIGNAL; MEANS APPLYING SAID CONDITIONED SIGNAL TO SAID SECOND PHASE-COMPARING MEANS; AND MEANS APPLYING SAID CLOCK SIGNAL TO SAID SIGNAL-CONDITIONING MEANS TO TIME THE OPERATION THEREOF.
Claim 2
Dependent Claim
140 words
IN A SYSTEM FOR PROCESSING AN INCOMING COCED ELECTRIC SIGNAL WHOSE AMPLITUDE SELECTIVELY ASSUMES ONE OF TWO PRESCRIBED AMPLITUDE LEVELS IN ACCORDANCE WITH THE ENCODED INTELLIGENCE, THE COMBINATION COMPRISING: A PHASE-LOCKED LOOP INCLUDING: FIRST AND SECOND PHASECOMPARING MEANS OPERATIVELY CONNECTED TO RECEIVE SAID INCOMING SIGNAL AND TO PROVIDE A CLOCK SIGNAL, A RESET INTEGRATOR COUPLED TO THE OUTPUT OF SAID FIRST COMPARING MEANS, A HOLD CIRCUIT COUPLED BETWEEN SAID RESET INTEGRATOR AND SAID SECOND PHASE-COMPARING MEANS, AND SIGNAL GENERATING MEANS COUPLED BETWEEN SAID FIRST AND SECOND PHASE-COMPARING MEANS; SIGNAL-CONDITIONING MEANS INCLUDING AVERAGING MEANS OPERATIVELY CONNECTED TO RECEIVE SAID INCOMING SIGNAL AND TO PROVIDE A CONDITIONED SIGNAL WHICH IS A CLEAN REPLICA OF SAID INCOMING SIGNAL; MEANS APPLYING SAID CONDITIONED SIGNAL TO SAID SECOND PHASE-COMPARING MEANS; AND MEANS APPLYING SAID CLOCK SIGNAL TO SAID SIGNAL-CONDITIONING MEANS TO TIME THE OPERATION THEREOF.
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) | 1968-09-13 | 1969-03-15 | 1969-09-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-13 | 1973-03-15 | 1973-09-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-13 | 1977-03-15 | 1977-09-14 | $7700.00 | Window Closed / Lapsed |