US3225141A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sound analyzing system
Assignee: International Business Machines Corp
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Filing: 1962-07-02
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Granted: 1965-12-21
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Expires: 1982-07-02
Abstract
No abstract record available.
Inventors
- 👤 William C Dersch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:21
CPC Classifications
G; G10; G10L; G10L15/00; G10L15/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
75 words
A SPEECH RECOGNITION SYSTEM INCLUDING THE COMBINATION OF MEANS FOR IDENTIFYING FRICTIONAL CHARACTERISTIC SOUNDS BY THE AXIS CROSSING DENSITY THEREOF, MEANS FOR IDENTIFYING VOICING CHARACTERISTIC SOUNDS BY ASYMMETRY CHARACTERISTICS THEREIN, MEANS RESPONSIVE TO THE FRICTIONAL AND VOICING IDENTIFICATIONS FOR ESTABLISHING THE TIME RELATIONSHIP OF THE FRICTIONAL CHARACTERISTICS RELATIVE TO THE VOICING CHARACTERISTICS, AND MEANS RESPONSIVE TO THE IDENTIFICATIONS AND THE ESTABLISHED TIME RELATIONSHIP FOR REPRESENTING THE OCCURRENCE OF SPECIFIC SPOKEN WORDS BY VARIABLE AMPLITUDE SIGNALS.
Claim 2
Dependent Claim
75 words
A SPEECH RECOGNITION SYSTEM INCLUDING THE COMBINATION OF MEANS FOR IDENTIFYING FRICTIONAL CHARACTERISTIC SOUNDS BY THE AXIS CROSSING DENSITY THEREOF, MEANS FOR IDENTIFYING VOICING CHARACTERISTIC SOUNDS BY ASYMMETRY CHARACTERISTICS THEREIN, MEANS RESPONSIVE TO THE FRICTIONAL AND VOICING IDENTIFICATIONS FOR ESTABLISHING THE TIME RELATIONSHIP OF THE FRICTIONAL CHARACTERISTICS RELATIVE TO THE VOICING CHARACTERISTICS, AND MEANS RESPONSIVE TO THE IDENTIFICATIONS AND THE ESTABLISHED TIME RELATIONSHIP FOR REPRESENTING THE OCCURRENCE OF SPECIFIC SPOKEN WORDS BY VARIABLE AMPLITUDE 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) | 1968-12-20 | 1969-06-21 | 1969-12-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-20 | 1973-06-21 | 1973-12-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-20 | 1977-06-21 | 1977-12-21 | $7700.00 | Window Closed / Lapsed |