US3333476A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Temperature measuring apparatus
Assignee: J Lyons and Co Ltd
•
Filing: 1963-11-13
•
Granted: 1967-08-01
•
Expires: 1983-11-13
Abstract
No abstract record available.
Inventors
- 👤 Hardy Donald
- 👤 Peter H Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 16:56
CPC Classifications
G; G01; G01K; G01K13/00; G01K13/04; G01K1/00; G01K1/02; G01K1/024
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
199 words
AN APPARATUS FOR MONITORING A PHYSICAL CONDITION PREVAILING AT A POSITION, COMPRISING MEANS TO GENERATE AN ELECTRICAL REPRESENTATION OF THE CONDITION, MEANS TO RADIATE THE REPRESENTATION IN THE FORM OF A MODULATION SIGNAL, MEANS TO RECEIVE THE RADIATED SIGNAL, MEANS TO DERIVE A SIGNAL DEPENDENT ON THE ELECTRICAL REPRESENTATION, SAID MEANS TO DERIVE COMPRISING MEANS TO DETECT THE MODULATION ON THE RECEIVING SIGNAL, MEANS TO SHAPE THE DETECTED SIGNAL WHEREBY A SQUARE WAVE WITH SHARP LEADING EDGES IS DELIVERED, MEANS TO DIFFERENTIATE THE DELIVERED SQUARE WAVE, CLIPPING MEANS TO PROVIDE PULSES CORRESPONDING TO THE SAID LEADING EDGES, BISTABLE MEANS RESPONSIVE TO THE PULSES TO CHANGE BETWEEN THE TWO STATES AS EACH PULSE IS INCIDENT THEREBY TO GENERATE A SQUARE WAVE OF UNITY MARK-SPACE RATIO AND FREQUENCY ONE HALF OF THE DETECTED SQUARE WAVE AND MEANS TO LIMIT THE AMPLITUDE OF THE SQUARE WAVE TRAIN, AND MEANS TO EVALUATE THE DERIVED SIGNAL, THEREBY TO RECORD OR INDICATE THE SAID PHYSICAL CONDITION AT A POINT REMOTE FROM THE SAID POSITION, SAID LAST NAMED MEANS INCLUDING MEANS TO DELIVER AN OUTPUT, WHICH IS CONTINUOUSLY DENOTIVE OF THE INTEGRATED AREAS OF THE INDIVIDUAL SQUARE WAVES IN SAID SQUARE WAVE TRAIN, TO AN INDICATOR.
Claim 2
Independent Claim
199 words
AN APPARATUS FOR MONITORING A PHYSICAL CONDITION PREVAILING AT A POSITION, COMPRISING MEANS TO GENERATE AN ELECTRICAL REPRESENTATION OF THE CONDITION, MEANS TO RADIATE THE REPRESENTATION IN THE FORM OF A MODULATION SIGNAL, MEANS TO RECEIVE THE RADIATED SIGNAL, MEANS TO DERIVE A SIGNAL DEPENDENT ON THE ELECTRICAL REPRESENTATION, SAID MEANS TO DERIVE COMPRISING MEANS TO DETECT THE MODULATION ON THE RECEIVING SIGNAL, MEANS TO SHAPE THE DETECTED SIGNAL WHEREBY A SQUARE WAVE WITH SHARP LEADING EDGES IS DELIVERED, MEANS TO DIFFERENTIATE THE DELIVERED SQUARE WAVE, CLIPPING MEANS TO PROVIDE PULSES CORRESPONDING TO THE SAID LEADING EDGES, BISTABLE MEANS RESPONSIVE TO THE PULSES TO CHANGE BETWEEN THE TWO STATES AS EACH PULSE IS INCIDENT THEREBY TO GENERATE A SQUARE WAVE OF UNITY MARK-SPACE RATIO AND FREQUENCY ONE HALF OF THE DETECTED SQUARE WAVE AND MEANS TO LIMIT THE AMPLITUDE OF THE SQUARE WAVE TRAIN, AND MEANS TO EVALUATE THE DERIVED SIGNAL, THEREBY TO RECORD OR INDICATE THE SAID PHYSICAL CONDITION AT A POINT REMOTE FROM THE SAID POSITION, SAID LAST NAMED MEANS INCLUDING MEANS TO DELIVER AN OUTPUT, WHICH IS CONTINUOUSLY DENOTIVE OF THE INTEGRATED AREAS OF THE INDIVIDUAL SQUARE WAVES IN SAID SQUARE WAVE TRAIN, TO AN INDICATOR.
References Cited (Backward Citations)
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US2618976A
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US2696115A
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US2984729A
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US3231877A
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US3146408A
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US3176229A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-07-31 | 1971-01-30 | 1971-08-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-31 | 1975-01-30 | 1975-08-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-31 | 1979-01-30 | 1979-08-01 | $7700.00 | Window Closed / Lapsed |