US3320534A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pulse code modulation encoding and decoding apparatus
Assignee: TDK Micronas GmbH
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Filing: 1963-08-06
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Granted: 1967-05-16
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Expires: 1983-08-06
Abstract
No abstract record available.
Inventors
- 👤 Edmund R Altonji
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:29
CPC Classifications
H; H03; H03M; H03M1/00; H03M1/001
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
102 words
PULSE CODE MODULATION ENCODING APPARATUS COMPRISING: (A) COMPRESSING MEANS FOR RECEIVING AND COMPRESSING AMPLITUDE MODULATED PULSES, (B) RECTIFYING MEANS CONNECTED TO THE OUTPUT OF SAID COMPRESSING MEANS FOR RECTIFYING THE COMPRESSED PULSES, (C) AMPLITUDE QUANTIZER MEANS CONNECTED TO THE OUTPUT OF SAID RECTIFYING MEANS FOR QUANTIZING EACH RECTIFIED PULSE INTO A COMBINATION OF BITS HAVING EQUAL POTENTIALS AND DIFFERENT TIME POSITIONS DEPENDING ON THE AMPLITUDE OF THE RECTIFIED PULSE, EAHC BIT REPRESENTING A DIFFERENT POTENTIAL LEVEL, (D) UTILIZATION MEANS, AND (E) MEANS OPERATIVELY CONNECTED WITH SAID QUANTIZER MEANS FOR FEEDING THE QUANTIZED BITS IN THEIR PROPER TIME POSITIONS INTO SAID UTILIZATION MEANS.
Claim 2
Dependent Claim
102 words
PULSE CODE MODULATION ENCODING APPARATUS COMPRISING: (A) COMPRESSING MEANS FOR RECEIVING AND COMPRESSING AMPLITUDE MODULATED PULSES, (B) RECTIFYING MEANS CONNECTED TO THE OUTPUT OF SAID COMPRESSING MEANS FOR RECTIFYING THE COMPRESSED PULSES, (C) AMPLITUDE QUANTIZER MEANS CONNECTED TO THE OUTPUT OF SAID RECTIFYING MEANS FOR QUANTIZING EACH RECTIFIED PULSE INTO A COMBINATION OF BITS HAVING EQUAL POTENTIALS AND DIFFERENT TIME POSITIONS DEPENDING ON THE AMPLITUDE OF THE RECTIFIED PULSE, EAHC BIT REPRESENTING A DIFFERENT POTENTIAL LEVEL, (D) UTILIZATION MEANS, AND (E) MEANS OPERATIVELY CONNECTED WITH SAID QUANTIZER MEANS FOR FEEDING THE QUANTIZED BITS IN THEIR PROPER TIME POSITIONS INTO SAID UTILIZATION MEANS.
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) | 1970-05-15 | 1970-11-14 | 1971-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-15 | 1974-11-14 | 1975-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-15 | 1978-11-14 | 1979-05-16 | $7700.00 | Window Closed / Lapsed |