Patent US3092776A successfully refreshed from Google Patents.
US3092776A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for the reduction of interference
Assignee: Individual
•
Filing: 1962-02-12
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Granted: 1963-06-04
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Expires: 1982-02-12
Abstract
No abstract record available.
Inventors
- 👤 Nello R Castellini
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:21
CPC Classifications
H; H04; H04B; H04B1/00; H04B1/06; H04B1/10; H04B1/12; H04B1/123
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
121 words
THE METHOD OF TRANSFORMING AN INPUT WAVE WHICH INCLUDES BOTH A STRONGER FREQUENCY MODULATED WAVE AND A WEAKER FREQUENCY MODULATED WAVE COMPRISING THE STEPS OF: (A) SHIFTING THE PHASE OF THE INPUT WAVE BY SUBSTANTIALLY 90 DEGREES; (B) TRANSFROMING THE INPUT WAVE TO PRODUCE A WAVE WHOSE ARGUMENT IS A FUNCTION OF BOTH SAID STRONGER AND WEAKER WAVES; (C) SHIFTING THE PHASE OF THE WAVE PRODUCED BY STEP (B) BY SUBSTANTIALLY 90 DEGREES; (D) MULTIPLYING THE INPUT WAVE BY THE WAVE PRODUCED BY STEP (B) AND ALSO MULTIPLYING THE WAVES PRODUCED BY STEPS (B) AND (C) AND SUBTRACTING THE RESULTING PRODUCT WAVES FROM EACH OTHER TO THEREBY PRODUCE A DIFFERENCE WAVE IN WHICH THE ORIGINALLY WEAKER WAVE IS PREDOMINANT IN AMPLITUDE.
Claim 2
Independent Claim
121 words
THE METHOD OF TRANSFORMING AN INPUT WAVE WHICH INCLUDES BOTH A STRONGER FREQUENCY MODULATED WAVE AND A WEAKER FREQUENCY MODULATED WAVE COMPRISING THE STEPS OF: (A) SHIFTING THE PHASE OF THE INPUT WAVE BY SUBSTANTIALLY 90 DEGREES; (B) TRANSFROMING THE INPUT WAVE TO PRODUCE A WAVE WHOSE ARGUMENT IS A FUNCTION OF BOTH SAID STRONGER AND WEAKER WAVES; (C) SHIFTING THE PHASE OF THE WAVE PRODUCED BY STEP (B) BY SUBSTANTIALLY 90 DEGREES; (D) MULTIPLYING THE INPUT WAVE BY THE WAVE PRODUCED BY STEP (B) AND ALSO MULTIPLYING THE WAVES PRODUCED BY STEPS (B) AND (C) AND SUBTRACTING THE RESULTING PRODUCT WAVES FROM EACH OTHER TO THEREBY PRODUCE A DIFFERENCE WAVE IN WHICH THE ORIGINALLY WEAKER WAVE IS PREDOMINANT IN AMPLITUDE.
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) | 1966-06-03 | 1966-12-03 | 1967-06-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-06-03 | 1970-12-03 | 1971-06-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-06-03 | 1974-12-03 | 1975-06-04 | $7700.00 | Window Closed / Lapsed |