Patent US3090837A successfully refreshed from Google Patents.
US3090837A
Expired / Lapsed
US
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Speech bandwidth compression system
Assignee: International Business Machines Corp
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Filing: 1959-04-29
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Granted: 1963-05-21
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Expires: 1979-04-29
Abstract
No abstract record available.
Inventors
- 👤 William C Dersch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 14:19
CPC Classifications
G; G10; G10L; G10L19/00; G10L19/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
164 words
APPARATUS FOR THE ARTIFICAL PORTION OF SPEECH COMPRISING MEANS FOR ANALYZING A SPEECH CURRENT TO DERIVE THEREFROM A PLURALITY OF AMPLITUDE CONTROL SIGNALS WHICH ARE INDIVIDUALLY REPESENTATIVE OF THE AMPLIDUTE OLF SAID SPEECH IN A PLURALITY OF DIFFERENT FREQUENCY RANFES, MEANS FOR DERIVING FROM SAID SPEECH CURRENT A PLURALITY OF FREQUENCY CONTROL SINGALS WHICH ARE INDIVIDUALLY REPESENTATIVE OF THE FREQUENCY OF SID SPEECH IN A PLURALITY OF DIFFERENT FREQUENCY RANGES, VOICE NOISE GENERATOR FOR GENERATING A PLURALITY OF VOICE NOISE SIGNALS HAVING THE SAME CHARACTERISTICS AS SAID SPEECH CURRENT IN A PLURALITY OF DIFFERENT FREQUENCY RANGES, MEANS FOR SELECTIVELY PASSING A VARIABLE PORTION OF SAID VOICE NOISE SIGNALS IN RESPONSE TO VARIATIONS IN SAID FREQUENCY CONTROL SIGNALS, MEANS FOR MODULTING THE POWER OF THE PASSED PART OF SAID PORTION OF SAID NOISE SIGNALS IN RESPONSE TO VARIATIONS IN SAID AMPLITUDE CONTROL SIGNALS, AND MEANS FOR COMBINING SAID FREQUENCY MODULATED, POWER MODULATING SIGNALS TO PRODUCE A COMPOSITE AUDIO SIGNALS FOR THE RECREATION OF SAID SPEECH
Claim 2
Dependent Claim
164 words
APPARATUS FOR THE ARTIFICAL PORTION OF SPEECH COMPRISING MEANS FOR ANALYZING A SPEECH CURRENT TO DERIVE THEREFROM A PLURALITY OF AMPLITUDE CONTROL SIGNALS WHICH ARE INDIVIDUALLY REPESENTATIVE OF THE AMPLIDUTE OLF SAID SPEECH IN A PLURALITY OF DIFFERENT FREQUENCY RANFES, MEANS FOR DERIVING FROM SAID SPEECH CURRENT A PLURALITY OF FREQUENCY CONTROL SINGALS WHICH ARE INDIVIDUALLY REPESENTATIVE OF THE FREQUENCY OF SID SPEECH IN A PLURALITY OF DIFFERENT FREQUENCY RANGES, VOICE NOISE GENERATOR FOR GENERATING A PLURALITY OF VOICE NOISE SIGNALS HAVING THE SAME CHARACTERISTICS AS SAID SPEECH CURRENT IN A PLURALITY OF DIFFERENT FREQUENCY RANGES, MEANS FOR SELECTIVELY PASSING A VARIABLE PORTION OF SAID VOICE NOISE SIGNALS IN RESPONSE TO VARIATIONS IN SAID FREQUENCY CONTROL SIGNALS, MEANS FOR MODULTING THE POWER OF THE PASSED PART OF SAID PORTION OF SAID NOISE SIGNALS IN RESPONSE TO VARIATIONS IN SAID AMPLITUDE CONTROL SIGNALS, AND MEANS FOR COMBINING SAID FREQUENCY MODULATED, POWER MODULATING SIGNALS TO PRODUCE A COMPOSITE AUDIO SIGNALS FOR THE RECREATION OF SAID SPEECH
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) | 1966-05-20 | 1966-11-19 | 1967-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-20 | 1970-11-19 | 1971-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-20 | 1974-11-19 | 1975-05-21 | $7700.00 | Window Closed / Lapsed |