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US3201777A
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Pulse code modulation coder
Assignee: TDK Micronas GmbH
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Filing: 1962-06-08
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Granted: 1965-08-17
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Expires: 1982-06-08
Abstract
No abstract record available.
Inventors
- 👤 Warren G Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:35
CPC Classifications
H; H03; H03M; H03M1/00; H03M1/10; H03M1/1009; H03M1/1014; H03M1/1023; H04; H04B; H04B14/00; H04B14/02; H04B14/04; H04B14/046; H04L; H04L7/00; H04L7/04; H04L7/06; H03M1/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
83 words
AN ARRANGEMENT TO STABILIZE THE OUTPUT SIGNAL OF PULSE CODE MODULATION CODERS COMPRISING: A PULSE MODULATION CODER PRODUCING A GIVEN CODE GROUP OF PULSES DURING THE ABSENCE OF INFORMATION SIGNALS; MEANS COUPLED TO SAID CODER TO ACTIVATE SAID CODER DURING PREDETERMINED REPETITIOUS PERIODS TO CHECK THE PRODUCTION OF SAID GIVEN CODE GROUP OF PULSES; AND MEANS RENDERED OPERATIVE DURING SAID CHECKING PERIODS COUPLED TO SAID CODER TO ENSURE THE PRODUCTION OF SAID GIVEN CODE GROUP OF PULSES DURING THE ABSENCE OF INFORMATION SIGNALS.
Claim 2
Dependent Claim
83 words
AN ARRANGEMENT TO STABILIZE THE OUTPUT SIGNAL OF PULSE CODE MODULATION CODERS COMPRISING: A PULSE MODULATION CODER PRODUCING A GIVEN CODE GROUP OF PULSES DURING THE ABSENCE OF INFORMATION SIGNALS; MEANS COUPLED TO SAID CODER TO ACTIVATE SAID CODER DURING PREDETERMINED REPETITIOUS PERIODS TO CHECK THE PRODUCTION OF SAID GIVEN CODE GROUP OF PULSES; AND MEANS RENDERED OPERATIVE DURING SAID CHECKING PERIODS COUPLED TO SAID CODER TO ENSURE THE PRODUCTION OF SAID GIVEN CODE GROUP OF PULSES DURING THE ABSENCE OF INFORMATION SIGNALS.
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) | 1968-08-16 | 1969-02-15 | 1969-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-16 | 1973-02-15 | 1973-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-16 | 1977-02-15 | 1977-08-17 | $7700.00 | Window Closed / Lapsed |