← Back to Patent Explorer
US3325596A Expired / Lapsed US ⏱️ 0.0 years remaining

Speech compression system

Assignee: GTE Sylvania Inc
•
Filing: 1963-07-03
•
Granted: 1967-06-13
•
Expires: 1983-07-03
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Harold J Manley

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-28 10:37
CPC Classifications
G; G10; G10L; G10L25/00

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 43 words
A SPEECH ANALYZER COMPRISING MEANS FOR SEPARATING A SPEECH SIGNAL INTO ITS MAJOR FORMANTS, MEANS FOR CORRELATING EACH OF SAID FORMANTS WITH SAID SPEECH SIGNAL, AND MEANS FOR TIME AVERAGING THE CORRELATED SIGNALS TO PRODUCE A SLOWLY VARYING REPRESENTATION OF SAID SPEECH SIGNAL.
Claim 2
Dependent Claim 43 words
A SPEECH ANALYZER COMPRISING MEANS FOR SEPARATING A SPEECH SIGNAL INTO ITS MAJOR FORMANTS, MEANS FOR CORRELATING EACH OF SAID FORMANTS WITH SAID SPEECH SIGNAL, AND MEANS FOR TIME AVERAGING THE CORRELATED SIGNALS TO PRODUCE A SLOWLY VARYING REPRESENTATION OF SAID SPEECH SIGNAL.

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) 1970-06-12 1970-12-12 1971-06-13 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1974-06-12 1974-12-12 1975-06-13 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1978-06-12 1978-12-12 1979-06-13 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag