Patent US2218711A successfully refreshed from Google Patents.
US3167644A
Expired / Lapsed
US
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Open loop and closed loop integrator of an analog physical variable
Assignee: International Business Machines Corp
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Filing: 1960-06-22
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Granted: 1965-01-26
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Expires: 1980-06-22
Abstract
No abstract record available.
Inventors
- 👤 Robert F Boehm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:39
CPC Classifications
G; G06; G06J; G06J1/00; H; H03; H03M; H03M1/00; H03M1/12; H03M1/50
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
116 words
AN INTEGRATOR FOR PROVIDING AN INTEGRAL REPRESENTATION OF A VOLTAGE ANALOG REPRESENTATION OF A PHYSICAL VARIABLE COMPRISING, IN COMBINATION: A SERVO-MECHANISM TO CONVERT SAID VOLTAGE ANALOG REPRESENTATION INTO A CORRESPONDING MECHANICAL MOTION; AND ANALOG-TO-DIGITAL CONVERTER ADAPTED TO RECEIVE SAID MECHANICAL MOTION AND TO PROVIDE A CORRESPONDING DIGITAL REPRESENTATION OF SAID ANALOG VOLTAGE IN BINARY FORM AND THE TWO''S COMPLEMENT FORM THEREOF; MEANS FOR SAMPLING SAID DIGITAL REPRESENTATION AT A PARTICULAR PERIODICITY; A BINARY COUNTER ADAPTED TO STORE SAID TWO''S COMPLEMENT FORM; MEANS FOR PROVIDING A GROUP OF ELECTRICAL INFORMATION PULSES AND ON EXACTLY CORRESPONDING GROUP OF MECHANICAL ANGULAR IN-U CREMENTS; SAID BINARY COUNTER BEING ADAPTED TO RECEIVE AND COUNT SAID ELECTRIAL INFORMATION PULSES IN SERIAL BINARY
Claim 2
Dependent Claim
116 words
AN INTEGRATOR FOR PROVIDING AN INTEGRAL REPRESENTATION OF A VOLTAGE ANALOG REPRESENTATION OF A PHYSICAL VARIABLE COMPRISING, IN COMBINATION: A SERVO-MECHANISM TO CONVERT SAID VOLTAGE ANALOG REPRESENTATION INTO A CORRESPONDING MECHANICAL MOTION; AND ANALOG-TO-DIGITAL CONVERTER ADAPTED TO RECEIVE SAID MECHANICAL MOTION AND TO PROVIDE A CORRESPONDING DIGITAL REPRESENTATION OF SAID ANALOG VOLTAGE IN BINARY FORM AND THE TWO''S COMPLEMENT FORM THEREOF; MEANS FOR SAMPLING SAID DIGITAL REPRESENTATION AT A PARTICULAR PERIODICITY; A BINARY COUNTER ADAPTED TO STORE SAID TWO''S COMPLEMENT FORM; MEANS FOR PROVIDING A GROUP OF ELECTRICAL INFORMATION PULSES AND ON EXACTLY CORRESPONDING GROUP OF MECHANICAL ANGULAR IN-U CREMENTS; SAID BINARY COUNTER BEING ADAPTED TO RECEIVE AND COUNT SAID ELECTRIAL INFORMATION PULSES IN SERIAL BINARY
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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) | 1968-01-26 | 1968-07-27 | 1969-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-01-26 | 1972-07-27 | 1973-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-01-26 | 1976-07-27 | 1977-01-26 | $7700.00 | Window Closed / Lapsed |