US3344283A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Amplifying system with roll off frequency and roll off rate of amplified signal predetermined
Assignee: Statham Instruments Inc
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Filing: 1964-08-03
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Granted: 1967-09-26
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Expires: 1984-08-03
Abstract
No abstract record available.
Inventors
- 👤 Reagh A Stubbs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:58
CPC Classifications
G; G01; G01P; G01P15/00; G01P15/02; G01P15/08; G01P15/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
118 words
A TRANSDUCER INCLUDING A RESISTANCE BRIDGE WHICH IS UNBALANCED AT THE OUTPUT OF THE TERMINALS OF SAID BRIDGE BY A PERIODICALLY APPLIED CONDITION TO SAID TRANDUCERS TENDING TO PRODUCE A PERIODIC OPEN LOOP SIGNAL RESPONSIVE TO THE VOLTAGE UNBALANCE OF SAID BRIDGE WHEN SAID BRIDGE IS ENERGIZED AT THE INPUT TERMINALS OF SAID BRIDGE, WHICH SIGNAL IS IN MAGNITUDE, A FREQUENCY-DEPENDENT FUNCTION OF THE FREQUENCY OF THE APPLIED PERIODIC CONDITION AT FREQUENCIES HIGHER THAN THE ROLL OFF FREQUENCY OF THE OPEN LOOP SIGNAL, MEANS TO APPLY SAID SIGNAL TO THE INPUT OF AN AMPLIFIER, A NEGATIVE FEEDBACK CONNECTION FROM THE OUTPUT OF THE AMPLIFIER AT A FIRST POTENTIAL LEVEL TO THE OUTPUT TERMINALS OF SAID BRIDGE, A NON-REACTIVE
Claim 2
Dependent Claim
118 words
A TRANSDUCER INCLUDING A RESISTANCE BRIDGE WHICH IS UNBALANCED AT THE OUTPUT OF THE TERMINALS OF SAID BRIDGE BY A PERIODICALLY APPLIED CONDITION TO SAID TRANDUCERS TENDING TO PRODUCE A PERIODIC OPEN LOOP SIGNAL RESPONSIVE TO THE VOLTAGE UNBALANCE OF SAID BRIDGE WHEN SAID BRIDGE IS ENERGIZED AT THE INPUT TERMINALS OF SAID BRIDGE, WHICH SIGNAL IS IN MAGNITUDE, A FREQUENCY-DEPENDENT FUNCTION OF THE FREQUENCY OF THE APPLIED PERIODIC CONDITION AT FREQUENCIES HIGHER THAN THE ROLL OFF FREQUENCY OF THE OPEN LOOP SIGNAL, MEANS TO APPLY SAID SIGNAL TO THE INPUT OF AN AMPLIFIER, A NEGATIVE FEEDBACK CONNECTION FROM THE OUTPUT OF THE AMPLIFIER AT A FIRST POTENTIAL LEVEL TO THE OUTPUT TERMINALS OF SAID BRIDGE, A NON-REACTIVE
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) | 1970-09-25 | 1971-03-27 | 1971-09-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-25 | 1975-03-27 | 1975-09-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-25 | 1979-03-27 | 1979-09-26 | $7700.00 | Window Closed / Lapsed |