US3101446A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Signal to noise ratio indicator
Assignee: TDK Micronas GmbH
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Filing: 1960-09-02
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Granted: 1963-08-20
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Expires: 1980-09-02
Abstract
No abstract record available.
Inventors
- 👤 Walter L Glomb
- 👤 Donald R Campbell
- 👤 John H Kressman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:43
CPC Classifications
G; G01; G01R; G01R29/00; G01R29/26
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
70 words
A CIRCUIT TO INDICATE THE SIGNAL-TO-NOISE RATIO OF A SIGNAL IN THE PRESENCE OF NOISE, SAID SIGNAL INCLUDING A SINE WAVE, COMPRISING MEANS RESPONSIVE TO THE COMPOSITE SUM OF SAID SINE WAVE AND SAID NOISE TO PRODUCE A RESULTANT SIGNAL INCLUDING SAID SINE WAVE COMPRESSED IN AMPLITUDE PROPORTIONAL TO THE AMPLITUDE OF SAID NOISE, AND MEANS COUPLED TO SAID RESPONSIVE MEANS TO DETECT THE AMPLITUDE OF SAID COMPRESSED SINE WAVE.
Claim 2
Dependent Claim
70 words
A CIRCUIT TO INDICATE THE SIGNAL-TO-NOISE RATIO OF A SIGNAL IN THE PRESENCE OF NOISE, SAID SIGNAL INCLUDING A SINE WAVE, COMPRISING MEANS RESPONSIVE TO THE COMPOSITE SUM OF SAID SINE WAVE AND SAID NOISE TO PRODUCE A RESULTANT SIGNAL INCLUDING SAID SINE WAVE COMPRESSED IN AMPLITUDE PROPORTIONAL TO THE AMPLITUDE OF SAID NOISE, AND MEANS COUPLED TO SAID RESPONSIVE MEANS TO DETECT THE AMPLITUDE OF SAID COMPRESSED SINE WAVE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-08-19 | 1967-02-18 | 1967-08-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-08-19 | 1971-02-18 | 1971-08-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-08-19 | 1975-02-18 | 1975-08-20 | $7700.00 | Window Closed / Lapsed |