Patent US3104284A successfully refreshed from Google Patents.
US3104284A
Expired / Lapsed
US
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Time duration modification of audio waveforms
Assignee: International Business Machines Corp
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Filing: 1961-12-29
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Granted: 1963-09-17
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Expires: 1981-12-29
Abstract
No abstract record available.
Inventors
- 👤 Walter K French
- 👤 Jr Oliver W Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 13:36
CPC Classifications
G; G10; G10L; G10L21/00; G10L21/04; H; H04; H04B; H04B1/00; H04B1/66
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
143 words
APPARATUS FOR MODIFYING AUDIO DATA COMPRISING, IN COMBINATION, FIRST STORAGE MEANS, MEANS FOR RECORDING AUDIO INPUT DATA IN SAID FIRST STORAGE MEANS, MEANS FOR PROCESSING SAID RECORDED INPUT DATA FOR DETERMINING, ONE AT A TIME, SUCCESSIVE PERIODS OF SAID DATA, MEANS FOR REGISTERING THE CUMULATIVE LENGTH OF SAID DETERMINED PERIODS OF INPUT DATA, SECOND STORAGE MEANS FOR STORING SAID INPUT DATA IN MODIFIED FORM, MEANS OPERABLE FOR TRANSFERRING SAID PERIODS OF INPUT DATA SELECTIVELY FROM SAID FIRST STORAGE MEANS TO SAID SECOND STORAGE MEANS, MEANS FOR REGISTERING THE LENGTH OF SAID MODIFIED DATA, MEANS FOR SPECIFYING A DESIRED RATIO OF MODIFIED DATA LENGTH TO INPUT DATA LENGTH, MEANS OPERABLE FOR DETERMINING THE RATIO OF SAID CUMULATIVE LENGTH TO THE LENGTH OF MODIFIED DATA IN SAID SECOND STORAGE MEANS, MEANS OPERATIVE AFTER EACH DETERMINATION OF A SAID PERIOD FOR OPERATING SAID RATIO DETERMINING MEANS,
Claim 2
Dependent Claim
143 words
APPARATUS FOR MODIFYING AUDIO DATA COMPRISING, IN COMBINATION, FIRST STORAGE MEANS, MEANS FOR RECORDING AUDIO INPUT DATA IN SAID FIRST STORAGE MEANS, MEANS FOR PROCESSING SAID RECORDED INPUT DATA FOR DETERMINING, ONE AT A TIME, SUCCESSIVE PERIODS OF SAID DATA, MEANS FOR REGISTERING THE CUMULATIVE LENGTH OF SAID DETERMINED PERIODS OF INPUT DATA, SECOND STORAGE MEANS FOR STORING SAID INPUT DATA IN MODIFIED FORM, MEANS OPERABLE FOR TRANSFERRING SAID PERIODS OF INPUT DATA SELECTIVELY FROM SAID FIRST STORAGE MEANS TO SAID SECOND STORAGE MEANS, MEANS FOR REGISTERING THE LENGTH OF SAID MODIFIED DATA, MEANS FOR SPECIFYING A DESIRED RATIO OF MODIFIED DATA LENGTH TO INPUT DATA LENGTH, MEANS OPERABLE FOR DETERMINING THE RATIO OF SAID CUMULATIVE LENGTH TO THE LENGTH OF MODIFIED DATA IN SAID SECOND STORAGE MEANS, MEANS OPERATIVE AFTER EACH DETERMINATION OF A SAID PERIOD FOR OPERATING SAID RATIO DETERMINING MEANS,
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-09-16 | 1967-03-18 | 1967-09-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-16 | 1971-03-18 | 1971-09-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-16 | 1975-03-18 | 1975-09-17 | $7700.00 | Window Closed / Lapsed |