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US3090837A Expired / Lapsed US ⏱️ 0.0 years remaining

Speech bandwidth compression system

Assignee: International Business Machines Corp
•
Filing: 1959-04-29
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Granted: 1963-05-21
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Expires: 1979-04-29
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Abstract

No abstract record available.

Inventors

  • 👤 William C Dersch

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 11:29
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)

US2183248A Cited
US2151091A Cited
US2243089A Cited
US2908761A Cited

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

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