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US3353146A Expired / Lapsed US ⏱️ 0.0 years remaining

Signal display system

Assignee: Raytheon Co
•
Filing: 1965-06-01
•
Granted: 1967-11-14
•
Expires: 1985-06-01
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Abstract

No abstract record available.

Inventors

  • 👤 Vartanian Vartan

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 11:46
CPC Classifications
G; G01; G01S; G01S15/00; G01S15/87; G01S7/00; G01S7/52; G01S7/523; G01S7/526; G01S7/527; Y; Y10; Y10S; Y10S367/00; Y10S367/901

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 113 words
A NOISE ELIMINATION MEANS FOR SUBSTANTIALLY REDUCING RANDOM NOISE WHICH IS MIXED WITH VALID SIGNALS, COMPRISING: A FIRST MEANS RESPONSIVE TO SAID VALID SIGNALS AND NOISE FOR PRODUCING SELECTED ZERO-CROSSING SIGNALS THEREFROM INCLUDING DELAYING MEANS FOR DELAYING SAID VALID SIGNALS AND NOISE BY A PLURLAITY OF TIMES, ZERO-CROSSING MEANS CONNECTED TO SAID DELAYING MEANS FOR GENERATING SAID SELECTED ZERO-CROSSING SIGNALS, AND A SUMMATION MEANS CONNECTED TO SAID ZERO-CROSSING MEANS FOR SUMMING SAID SELECTED ZERO-CROSSING SIGNALS; A SECOND MEANS ALSO RESPONSIVE TO SAID VALID SIGNALS AND NOISE FOR PRODUCING AN ENERGY ENVELOPE THEREFROM; AND A THIRD MEANS CONNECTED TO SAID FIRST AND SECOND MEANS FOR CORRELATING SAID SELECTED ZERO-CROSSING SIGNALS WITH SAID ENERGY ENVELOPE.
Claim 2
Dependent Claim 113 words
A NOISE ELIMINATION MEANS FOR SUBSTANTIALLY REDUCING RANDOM NOISE WHICH IS MIXED WITH VALID SIGNALS, COMPRISING: A FIRST MEANS RESPONSIVE TO SAID VALID SIGNALS AND NOISE FOR PRODUCING SELECTED ZERO-CROSSING SIGNALS THEREFROM INCLUDING DELAYING MEANS FOR DELAYING SAID VALID SIGNALS AND NOISE BY A PLURLAITY OF TIMES, ZERO-CROSSING MEANS CONNECTED TO SAID DELAYING MEANS FOR GENERATING SAID SELECTED ZERO-CROSSING SIGNALS, AND A SUMMATION MEANS CONNECTED TO SAID ZERO-CROSSING MEANS FOR SUMMING SAID SELECTED ZERO-CROSSING SIGNALS; A SECOND MEANS ALSO RESPONSIVE TO SAID VALID SIGNALS AND NOISE FOR PRODUCING AN ENERGY ENVELOPE THEREFROM; AND A THIRD MEANS CONNECTED TO SAID FIRST AND SECOND MEANS FOR CORRELATING SAID SELECTED ZERO-CROSSING SIGNALS WITH SAID ENERGY ENVELOPE.

References Cited (Backward Citations)

US3126449A Cited
US2709218A Cited
US2786997A Cited
US2605463A Cited
US2989583A Cited
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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1970-11-13 1971-05-15 1971-11-14 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1974-11-13 1975-05-15 1975-11-14 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1978-11-13 1979-05-15 1979-11-14 $7700.00 Window Closed / Lapsed

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