US3435194A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Computer for the approximation of the correlation between signals
Assignee: SRI International Inc
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Filing: 1966-05-11
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Granted: 1969-03-25
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Expires: 1986-05-11
Abstract
No abstract record available.
Inventors
- 👤 John Peschon
- 👤 Robert E Larson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 09:10
CPC Classifications
G; G06; G06G; G06G7/00; G06G7/12; G06G7/19; G06G7/1928; G06G7/1935
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
161 words
A CORRELATION CIRCUIT COMPRISING: FIRST AND SECOND SIGNAL AVERAGING MEANS RESPONSIVE TO FIRST AND SECOND INPUT SIGNALS RESPECTIVELY FOR PROVIDING FIRST AND SECOND AVERAGED SIGNALS; FIRST MEANS RESPONSIVE TO SAID FIRST INPUT SIGNAL AND SAID FIRST AVERAGE SIGNAL FOR PROVIDING A FIRST DIFFERENCE SIGNAL THEREBETWEEN THE POLARITY THEREOF BEING A FUNCTION OF THE RELATIVE MAGNITUDES OF THE SIGNALS SUPPLIED THERETO; SECOND MEANS RESPONSIVE TO SAID SECOND INPUT SIGNAL AND SAID SECOND AVERAGED SIGNAL FOR PROVIDING A SECOND DIFFERENCE SIGNAL THEREBETWEEN THE POLARITY THEREOF BEING A FUNCTION OF THE RELATIVE MAGNITUDES OF THE SIGNALS SUPPLIED THERETO; MEANS RESPONSIVE IS SAID FIRST AND SECOND DIFFERENCE SIGNALS FOR PROVIDING AN OUTPUT OF A FIRST POLARITY WHEN SAID FIRST AND SECOND DIFFERENCE SIGNALS HAVE THE SAME POLARITY AND AN OUTPUT OF A SECOND POLARITY OPPOSITE SAID FIRST POLARITY WHEN SAID FIRST AND SECOND SIGNALS ARE OF OPPOSITE POLARITIES; AND THIRD AVERAGING MEANS FOR PROVIDING AN AVERAGE OF THE OUTPUTS OF SAID FIRST AND SECOND POLARITIES.
Claim 2
Dependent Claim
161 words
A CORRELATION CIRCUIT COMPRISING: FIRST AND SECOND SIGNAL AVERAGING MEANS RESPONSIVE TO FIRST AND SECOND INPUT SIGNALS RESPECTIVELY FOR PROVIDING FIRST AND SECOND AVERAGED SIGNALS; FIRST MEANS RESPONSIVE TO SAID FIRST INPUT SIGNAL AND SAID FIRST AVERAGE SIGNAL FOR PROVIDING A FIRST DIFFERENCE SIGNAL THEREBETWEEN THE POLARITY THEREOF BEING A FUNCTION OF THE RELATIVE MAGNITUDES OF THE SIGNALS SUPPLIED THERETO; SECOND MEANS RESPONSIVE TO SAID SECOND INPUT SIGNAL AND SAID SECOND AVERAGED SIGNAL FOR PROVIDING A SECOND DIFFERENCE SIGNAL THEREBETWEEN THE POLARITY THEREOF BEING A FUNCTION OF THE RELATIVE MAGNITUDES OF THE SIGNALS SUPPLIED THERETO; MEANS RESPONSIVE IS SAID FIRST AND SECOND DIFFERENCE SIGNALS FOR PROVIDING AN OUTPUT OF A FIRST POLARITY WHEN SAID FIRST AND SECOND DIFFERENCE SIGNALS HAVE THE SAME POLARITY AND AN OUTPUT OF A SECOND POLARITY OPPOSITE SAID FIRST POLARITY WHEN SAID FIRST AND SECOND SIGNALS ARE OF OPPOSITE POLARITIES; AND THIRD AVERAGING MEANS FOR PROVIDING AN AVERAGE OF THE OUTPUTS OF SAID FIRST AND SECOND POLARITIES.
References Cited (Backward Citations)
US3163750A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-03-24 | 1972-09-23 | 1973-03-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-24 | 1976-09-23 | 1977-03-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-24 | 1980-09-23 | 1981-03-25 | $7700.00 | Window Closed / Lapsed |