US3337870A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Linear polarity coincidence correlator for gaussian signals
Assignee: Individual
•
Filing: 1964-10-19
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Granted: 1967-08-22
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Expires: 1984-10-19
Abstract
No abstract record available.
Inventors
- 👤 Willard B Allen
- 👤 Charles E Persons
- 👤 Everett C Westerfield
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 17:10
CPC Classifications
G; G01; G01S; G01S13/00; G01S13/02; G01S13/06; G01S13/08; G01S13/32; G01S13/325; G01S13/10; G01S13/106
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
139 words
A TRANSMITTER-RECEIVER STATION IN A COMMUNICATION SYSTEM COMPRISING; AN M-NUMBER OF LOCAL GENERATORS FOR SIMULTANEOUSLY SEPARATELY GENERATING BROAD-BAND GAUSSIAN NOISE VOLTAGES, X1, X2, ... XM, RESPECTIVELY; A TRANSMITTER FOR TRANSMITTING SIGNAL XO COMPOSED OF THE SUM OF SAID NOISE VOLTAGE; A RECEIVER FOR RECEIVING, AFTER A TRANSMSSION TIME DELAY T, SAID SIGNAL XO MODIFIED BY ADDITIVE NOISE VOLTAGES N OF THE TRANSMISSION MEDIA; MEANS FOR RELATIVELY DELAYING THE LOCALLY GENERATED VOLTAGES X1, X2, ... XM, WITH RESPECT TO THE RCEIVED SIGNAL XO0N; A PLURALITY OF MULTIPLIERS, EACH MULTIPLIER HAVING TWO INPUTS, ONE INPUT OF EACH MULTIPLIER BEING CONNECTED TO THE OUTPUT OF SAID RECEIVER AND THE OTHER INPUT OF EACH MULTIPLIER BEING CONNECTED, RESPECTIVELY, TO THE OUTPUT OF ONE OF SAID LOCAL GENERATORS FOR MULTIPLYING THE RECEIVED XO+N SIGNAL WITH EACH OF SAID SEPARATE VOLTAGES X1 TO XM, RESPECTIVELY;
Claim 2
Dependent Claim
139 words
A TRANSMITTER-RECEIVER STATION IN A COMMUNICATION SYSTEM COMPRISING; AN M-NUMBER OF LOCAL GENERATORS FOR SIMULTANEOUSLY SEPARATELY GENERATING BROAD-BAND GAUSSIAN NOISE VOLTAGES, X1, X2, ... XM, RESPECTIVELY; A TRANSMITTER FOR TRANSMITTING SIGNAL XO COMPOSED OF THE SUM OF SAID NOISE VOLTAGE; A RECEIVER FOR RECEIVING, AFTER A TRANSMSSION TIME DELAY T, SAID SIGNAL XO MODIFIED BY ADDITIVE NOISE VOLTAGES N OF THE TRANSMISSION MEDIA; MEANS FOR RELATIVELY DELAYING THE LOCALLY GENERATED VOLTAGES X1, X2, ... XM, WITH RESPECT TO THE RCEIVED SIGNAL XO0N; A PLURALITY OF MULTIPLIERS, EACH MULTIPLIER HAVING TWO INPUTS, ONE INPUT OF EACH MULTIPLIER BEING CONNECTED TO THE OUTPUT OF SAID RECEIVER AND THE OTHER INPUT OF EACH MULTIPLIER BEING CONNECTED, RESPECTIVELY, TO THE OUTPUT OF ONE OF SAID LOCAL GENERATORS FOR MULTIPLYING THE RECEIVED XO+N SIGNAL WITH EACH OF SAID SEPARATE VOLTAGES X1 TO XM, RESPECTIVELY;
References Cited (Backward Citations)
US3259878A
Cited
US3158830A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-08-21 | 1971-02-20 | 1971-08-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-21 | 1975-02-20 | 1975-08-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-21 | 1979-02-20 | 1979-08-22 | $7700.00 | Window Closed / Lapsed |