US3326036A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for noise evaluation
Assignee: Dana Inc
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Filing: 1964-05-25
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Granted: 1967-06-20
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Expires: 1984-05-25
Abstract
No abstract record available.
Inventors
- 👤 Conrad H Hoeppner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 02:32
CPC Classifications
G; G01; G01H; G01H3/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
125 words
NOISE EVALUATION APPARATUS COMPRISING MEANS FOR PICKING UP A NOISE SIGNAL WHICH INCLUDES RANDOM NOISE FREQUENCIES AND A SPECIFIC VARYING FREQUENCY THAT IS TO BE MEASURED; MEANS FOR PROVIDING A GATING SIGNAL INCLUDING MEANS FOR GENERATING A VARYING FREQUENCY SIGNAL WHICH IS A FUNCTION OF SAID SPECIFIC FREQUENCY TO BE MEASURED, OSCILLATOR MEANS RESPONSIVE TO SAID FUNCTIONAL FREQUENCY SIGNAL, COUNTER MEANS RESPONSIVE TOSAID OSCILLATOR MEANS, AND SWITCHING MEANS FOR TURNING SAID OSCILLATOR ON IN RESPONSE TO A DETECTION OF SAID FUNCTIONAL FREQUENCY SIGNAL AND TURNING SAID OSCILLATOR OFF IN RESPONSE TO A PREDETERMINED COUNT IN SAID COUNTER MEANS; AND MIXING CIRCUIT MEANS CONNECTED TO SAID PICKUP MEANS FOR PASSING SAID SPECIFIC VARYING FREQUENCY TO BE MEASURED IN RESPONSE TO AN INPUT OF SAID GATING SIGNAL.
Claim 2
Dependent Claim
125 words
NOISE EVALUATION APPARATUS COMPRISING MEANS FOR PICKING UP A NOISE SIGNAL WHICH INCLUDES RANDOM NOISE FREQUENCIES AND A SPECIFIC VARYING FREQUENCY THAT IS TO BE MEASURED; MEANS FOR PROVIDING A GATING SIGNAL INCLUDING MEANS FOR GENERATING A VARYING FREQUENCY SIGNAL WHICH IS A FUNCTION OF SAID SPECIFIC FREQUENCY TO BE MEASURED, OSCILLATOR MEANS RESPONSIVE TO SAID FUNCTIONAL FREQUENCY SIGNAL, COUNTER MEANS RESPONSIVE TOSAID OSCILLATOR MEANS, AND SWITCHING MEANS FOR TURNING SAID OSCILLATOR ON IN RESPONSE TO A DETECTION OF SAID FUNCTIONAL FREQUENCY SIGNAL AND TURNING SAID OSCILLATOR OFF IN RESPONSE TO A PREDETERMINED COUNT IN SAID COUNTER MEANS; AND MIXING CIRCUIT MEANS CONNECTED TO SAID PICKUP MEANS FOR PASSING SAID SPECIFIC VARYING FREQUENCY TO BE MEASURED IN RESPONSE TO AN INPUT OF SAID GATING SIGNAL.
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) | 1970-06-19 | 1970-12-19 | 1971-06-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-06-19 | 1974-12-19 | 1975-06-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-06-19 | 1978-12-19 | 1979-06-20 | $7700.00 | Window Closed / Lapsed |