Patent US3248699A successfully refreshed from Google Patents.
US3248699A
Expired / Lapsed
US
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Normalizing multilevel quantizer
Assignee: International Business Machines Corp
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Filing: 1963-08-29
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Granted: 1966-04-26
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Expires: 1983-08-29
Abstract
No abstract record available.
Inventors
- 👤 Essinger Pierre
- 👤 Evon C Greanias
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 06:01
CPC Classifications
G; G06; G06K; G06K11/00; G06K11/02; G06K11/04; G06V; G06V30/00; G06V30/10; G06V30/16; G06V30/166; H; H03; H03M; H03M1/00; H03M1/12; H03M1/34; H03M1/38; H03M1/44; H03M1/447
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
145 words
AN APPARATUS FOR PARTITIONING A RECURRENT TIME VARIANT ELECTRICAL WAVEFORM INTO PREDETERMINED PROPORTIONATE PARTS OF THE DIFFERENCE BETWEEN THE MAXIMUM AND MINIMUM AMPLITUDE EXCURSIONS OF THE WAVEFORM, COMPRISING: (A) MEANS OPERATIVE UPON A FIRST OCCURRENCE OF THE WAVEFORM FOR STORING A PAIR OF VOLTAGES RESPECTIVELY MANIFESTIVE OF THE MAXIMUM AND MINIMUM AMPLITUDE EXCURSIONS OF THE WAVEFORM; (B) MEANS OPERATIVE UPON SUBSEQUENT OCCURRENCES OF THE WAVEFORM FOR DERIVING FROM SAID VOLTAGES A PLURALITY OF VOLTAGE LEVELS EACH OF WHICH COMPRISES A DISCRETELY DIFFERENT FRACTIONAL PART OF THE DIFFERENCE BETWEEN THE STORED VOLTAGES; (C) AND MEANS OPERATIVE DURING THE SUBSEQUENT OCCURRENCES OF THE WAVEFORM FOR CONTINUOUSLY COMPARING A VOLTAGE MANIFESTIVE OF THE INSTANTANEOUS AMPLITUDE OF SAID WAVEFORM WITH ALL OF SAID VOLTAGE LEVELS AND PRODUCING A SIGNAL WHICH DISCRETELY MANIFESTS THE RANGE IN WHICH THE INSTANTANEOUS AMPLITUDE FALLS, WHICH RANGE IS DEFINED BY THE SAID VOLTAGE LEVELS.
Claim 2
Independent Claim
145 words
AN APPARATUS FOR PARTITIONING A RECURRENT TIME VARIANT ELECTRICAL WAVEFORM INTO PREDETERMINED PROPORTIONATE PARTS OF THE DIFFERENCE BETWEEN THE MAXIMUM AND MINIMUM AMPLITUDE EXCURSIONS OF THE WAVEFORM, COMPRISING: (A) MEANS OPERATIVE UPON A FIRST OCCURRENCE OF THE WAVEFORM FOR STORING A PAIR OF VOLTAGES RESPECTIVELY MANIFESTIVE OF THE MAXIMUM AND MINIMUM AMPLITUDE EXCURSIONS OF THE WAVEFORM; (B) MEANS OPERATIVE UPON SUBSEQUENT OCCURRENCES OF THE WAVEFORM FOR DERIVING FROM SAID VOLTAGES A PLURALITY OF VOLTAGE LEVELS EACH OF WHICH COMPRISES A DISCRETELY DIFFERENT FRACTIONAL PART OF THE DIFFERENCE BETWEEN THE STORED VOLTAGES; (C) AND MEANS OPERATIVE DURING THE SUBSEQUENT OCCURRENCES OF THE WAVEFORM FOR CONTINUOUSLY COMPARING A VOLTAGE MANIFESTIVE OF THE INSTANTANEOUS AMPLITUDE OF SAID WAVEFORM WITH ALL OF SAID VOLTAGE LEVELS AND PRODUCING A SIGNAL WHICH DISCRETELY MANIFESTS THE RANGE IN WHICH THE INSTANTANEOUS AMPLITUDE FALLS, WHICH RANGE IS DEFINED BY THE SAID VOLTAGE LEVELS.
References Cited (Backward Citations)
US2956157A
Cited
US3189873A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-04-25 | 1969-10-25 | 1970-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-25 | 1973-10-25 | 1974-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-25 | 1977-10-25 | 1978-04-26 | $7700.00 | Window Closed / Lapsed |