US3189881A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pulse producing means for telemetering system
Assignee: Shell USA Inc
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Filing: 1961-12-28
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Granted: 1965-06-15
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Expires: 1981-12-28
Abstract
No abstract record available.
Inventors
- 👤 Tom R Reinhart
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 03:31
CPC Classifications
G; G08; G08C; G08C19/00; G08C19/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
199 words
A SYSTEM FOR TELEMETERING A MAGNITUDE OF A MEASUREMENT MADE AT A REMOTE LOCATION TO A MEASURING SYSTEM LOCATED AT A CONVENIENT LOCATION, SAID SYSTEM COMPRISING: A REMOTE INSTRUMENT HAVING A FIXED REFERENCE CONTACT AND A MOVABLE CONTACT SAID FIXED AND REFERENCE CONTACTS DISPOSED ALONG A COMMON PATH, SAID MOVABLE CONTACT IN ADDITION BEING MOUNTED TO BE DISPLACED WITH RESPECT TO SAID REFERENCE CONTACT AN AMOUNT RELATED TO THE MAGNITUDE OF THE MEASUREMENT TO BE TELEMETERED; A SWEEP CONTACT DISPOSED TO BE DRIVEN BY A MOTOR MEANS ALONG SAID COMMON PATH TO CYCLICALLY CONTACT BOTH SAID REFERENCE AND MOVABLE CONTACTS; A FIRST CAPACITOR COUPLED TO SAID REFERENCE CONTACT, A SECOND CAPACITOR COUPLED TO SAID MOVABLE CONTACT; A SOURCE OF DIRECT CURRENT POTENTIAL LOCATED AT SAID REMOTE LOCATION AND COUPLED TO BOTH SAID FIRST AND SECOND CAPACITORS TO CHARGE SAID CAPACITORS IN ELECTRICAL OPPOSITION TO EACH OTHER; SAID SWEEP CONTACT BEING COUPLED TO GROUND AND SAID REFERENCE AND MOVABLE CONTACTS BEING COUPLED TO A CABLE, SAID CABLE COUPLING SAID REMOTE INSTRUMENT TO THE MEASURING SYSTEM AT SAID CONVENIENT LOCATION TO TRANSMIT OVER SAID CABLE THE EQUAL AND OPPOSITE PULSES PRODUCED WHEN SAID SWEEP CONTACT CONTACTS SAID REFERENCE AND MOVABLE CONTACTS.
Claim 2
Independent Claim
199 words
A SYSTEM FOR TELEMETERING A MAGNITUDE OF A MEASUREMENT MADE AT A REMOTE LOCATION TO A MEASURING SYSTEM LOCATED AT A CONVENIENT LOCATION, SAID SYSTEM COMPRISING: A REMOTE INSTRUMENT HAVING A FIXED REFERENCE CONTACT AND A MOVABLE CONTACT SAID FIXED AND REFERENCE CONTACTS DISPOSED ALONG A COMMON PATH, SAID MOVABLE CONTACT IN ADDITION BEING MOUNTED TO BE DISPLACED WITH RESPECT TO SAID REFERENCE CONTACT AN AMOUNT RELATED TO THE MAGNITUDE OF THE MEASUREMENT TO BE TELEMETERED; A SWEEP CONTACT DISPOSED TO BE DRIVEN BY A MOTOR MEANS ALONG SAID COMMON PATH TO CYCLICALLY CONTACT BOTH SAID REFERENCE AND MOVABLE CONTACTS; A FIRST CAPACITOR COUPLED TO SAID REFERENCE CONTACT, A SECOND CAPACITOR COUPLED TO SAID MOVABLE CONTACT; A SOURCE OF DIRECT CURRENT POTENTIAL LOCATED AT SAID REMOTE LOCATION AND COUPLED TO BOTH SAID FIRST AND SECOND CAPACITORS TO CHARGE SAID CAPACITORS IN ELECTRICAL OPPOSITION TO EACH OTHER; SAID SWEEP CONTACT BEING COUPLED TO GROUND AND SAID REFERENCE AND MOVABLE CONTACTS BEING COUPLED TO A CABLE, SAID CABLE COUPLING SAID REMOTE INSTRUMENT TO THE MEASURING SYSTEM AT SAID CONVENIENT LOCATION TO TRANSMIT OVER SAID CABLE THE EQUAL AND OPPOSITE PULSES PRODUCED WHEN SAID SWEEP CONTACT CONTACTS SAID REFERENCE AND MOVABLE CONTACTS.
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) | 1968-06-14 | 1968-12-14 | 1969-06-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-14 | 1972-12-14 | 1973-06-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-14 | 1976-12-14 | 1977-06-15 | $7700.00 | Window Closed / Lapsed |