Patent US3133537A successfully refreshed from Google Patents.
US3133537A
Expired / Lapsed
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ph-measuring endo-radiosonde
Assignee: Telefunken Patentverwertungs GmbH
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Filing: 1961-05-12
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Granted: 1964-05-19
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Expires: 1981-05-12
Abstract
No abstract record available.
Inventors
- 👤 Muth Herbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:55
CPC Classifications
A; A61; A61B; A61B5/00; A61B5/07; A61B5/073
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
178 words
AN ENDO-RADIOSONDE FOR MEASURING THE PH VALUE IN THE STOMCH AND/OR INTESTINES OF A PATENT AND TRANSMITTING THE MEASURED VALUE OT A RECEIVER, SAID SONDE COMPRISING, IN COMBINATION: A HOUSING: A TRANSMITTER CIRCUIT IN SAID HOUSING: A BATTERY IN THE HOUSING AND HAVING TWO ELECTRODES ARRANGED IN AN ELECTROLYTE FOR DELIVERING A VOLTAGE NECESSARY FOR OPERATING SAID TRANSMITTER CIRCUIT; A PH MEASURING ASSEMBLY INCLUDING A FURTHER ELECTRODE ARRANGED OUTSIDE THE HOUSING AND WETTABLE BY INTESTINAL FLUIDS; A SEMI-PERMEABLE LAYER FORMING ONE EXTERNAL WALL OF THE BATTERY; ONE ELECTODE OF THE BATTERY FORMING PART OF THE PH MEASURING ASSEMBLY AND BEING ARRANGED NEAR THE SEMIPERMEABLE LAYER, THE OTHER ELECTRODE BEING DISPOSED REMOTE FROM SAID LAYER AND CONNECTED TO SAID CIRCUIT, SAID FURTHER ELECTRODE BEING CONNECTED WITH SAID ENDO-RADIOSONDE FOR PORDUCING, IN COOPERATION WITH THE SIMI-PERMEABLE LAYER AND SAID ONE ELECTORDE OF SAID BATTERY, A VOLTAGE WHICH IS VARIABLE WITH THE CHANGE IN PH CONCENTRATIN, AND SAID ONE BATTERY ELECTRODE AND SAID FURTHER ELECTRODE BEING CONNECTED TO SAID CIRCUIT TO PROVIDE THE LATTER WITH A VARIABLE VOLTAGE FOR TRANSMITTING INFORMATION.
Claim 2
Dependent Claim
178 words
AN ENDO-RADIOSONDE FOR MEASURING THE PH VALUE IN THE STOMCH AND/OR INTESTINES OF A PATENT AND TRANSMITTING THE MEASURED VALUE OT A RECEIVER, SAID SONDE COMPRISING, IN COMBINATION: A HOUSING: A TRANSMITTER CIRCUIT IN SAID HOUSING: A BATTERY IN THE HOUSING AND HAVING TWO ELECTRODES ARRANGED IN AN ELECTROLYTE FOR DELIVERING A VOLTAGE NECESSARY FOR OPERATING SAID TRANSMITTER CIRCUIT; A PH MEASURING ASSEMBLY INCLUDING A FURTHER ELECTRODE ARRANGED OUTSIDE THE HOUSING AND WETTABLE BY INTESTINAL FLUIDS; A SEMI-PERMEABLE LAYER FORMING ONE EXTERNAL WALL OF THE BATTERY; ONE ELECTODE OF THE BATTERY FORMING PART OF THE PH MEASURING ASSEMBLY AND BEING ARRANGED NEAR THE SEMIPERMEABLE LAYER, THE OTHER ELECTRODE BEING DISPOSED REMOTE FROM SAID LAYER AND CONNECTED TO SAID CIRCUIT, SAID FURTHER ELECTRODE BEING CONNECTED WITH SAID ENDO-RADIOSONDE FOR PORDUCING, IN COOPERATION WITH THE SIMI-PERMEABLE LAYER AND SAID ONE ELECTORDE OF SAID BATTERY, A VOLTAGE WHICH IS VARIABLE WITH THE CHANGE IN PH CONCENTRATIN, AND SAID ONE BATTERY ELECTRODE AND SAID FURTHER ELECTRODE BEING CONNECTED TO SAID CIRCUIT TO PROVIDE THE LATTER WITH A VARIABLE VOLTAGE FOR TRANSMITTING INFORMATION.
References Cited (Backward Citations)
FR1248684A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-05-19 | 1967-11-18 | 1968-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-19 | 1971-11-18 | 1972-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-19 | 1975-11-18 | 1976-05-19 | $7700.00 | Window Closed / Lapsed |