Patent US3237160A successfully refreshed from Google Patents.
US3237160A
Expired / Lapsed
US
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Semiconductor multiple-word correlator
Assignee: General Electric Co
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Filing: 1962-07-31
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Granted: 1966-02-22
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Expires: 1982-07-31
Abstract
No abstract record available.
Inventors
- 👤 Michael E Mitchell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:13
CPC Classifications
H; H04; H04L; H04L1/00; H04L1/004; H04L1/0056; H04L1/0057; H04L1/0045
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
116 words
CORRELATION APPARATUS COMPRISING: (A) A CYCLIC DIGITAL SIGNAL SOURCE PROVIDING A PLURALITY OF PARALLEL OUTPUT SIGNALS EACH CONSISTING OF A SEQUENCE OF BIT SIGNALS CONSTITUTING A SET OF KNOWN SEQUENCES; (B) DATA INPUT MEANS PROVIDING A SEQUENCE OF BIT SIGNALS COMPRISING A RECEIVED WORD TO BE COMPARED WITH THE KNOWN SEQUENCES; (C) A PLURALITY OF MULTIPLIER-INTEGRATOR CIRCUITS, EACH CIRCUIT BEING RESPONSIVE TO THE RECEIVED SEQUENCE OF BIT SIGNALS AND TO ONE OF SAID KNOWN BIT SIGNAL SEQUENCES TO DERIVE A CORRELATION WITH RESPECT TO EACH OF THE KNOWN SEQUENCES BY SYNCHRONOUSLY MULTIPLYING EACH OF THESE SEQUENCES OF SIGNALS BY THE RECEIVED SIGNAL SEQUENCE AND INTEGRATING THE PRODUCT; AND (D) CONTROL MEANS TO SYNCHRONIZE SAID SIGNAL SEQUENCES.
Claim 2
Dependent Claim
116 words
CORRELATION APPARATUS COMPRISING: (A) A CYCLIC DIGITAL SIGNAL SOURCE PROVIDING A PLURALITY OF PARALLEL OUTPUT SIGNALS EACH CONSISTING OF A SEQUENCE OF BIT SIGNALS CONSTITUTING A SET OF KNOWN SEQUENCES; (B) DATA INPUT MEANS PROVIDING A SEQUENCE OF BIT SIGNALS COMPRISING A RECEIVED WORD TO BE COMPARED WITH THE KNOWN SEQUENCES; (C) A PLURALITY OF MULTIPLIER-INTEGRATOR CIRCUITS, EACH CIRCUIT BEING RESPONSIVE TO THE RECEIVED SEQUENCE OF BIT SIGNALS AND TO ONE OF SAID KNOWN BIT SIGNAL SEQUENCES TO DERIVE A CORRELATION WITH RESPECT TO EACH OF THE KNOWN SEQUENCES BY SYNCHRONOUSLY MULTIPLYING EACH OF THESE SEQUENCES OF SIGNALS BY THE RECEIVED SIGNAL SEQUENCE AND INTEGRATING THE PRODUCT; AND (D) CONTROL MEANS TO SYNCHRONIZE SAID SIGNAL SEQUENCES.
References Cited (Backward Citations)
US3036775A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-02-21 | 1969-08-23 | 1970-02-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-21 | 1973-08-23 | 1974-02-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-21 | 1977-08-23 | 1978-02-22 | $7700.00 | Window Closed / Lapsed |