US3149282A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Digital voltmeter
Assignee: Cubic Corp
•
Filing: 1961-12-13
•
Granted: 1964-09-15
•
Expires: 1981-12-13
Abstract
No abstract record available.
Inventors
- 👤 Philip D Wasserman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 03:21
CPC Classifications
H; H03; H03M; H03M1/00; H03M1/12; H03M1/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
169 words
AN ELECTRONIC MEASURING INSTRUMENT FOR MEASURING THE VALUE OF AN INPUT VOLTAGE AND VISUALLY DISPLAYING THE VALUE OF THE VOLTAGE AS A SERIES OF OUTPUT DECIMAL DIGITS REPRESENTING A DECIMAL NUMBER, SAID INSTRUMENT COMPRISING: A SERIES OF DECADE UNITS CORRESPONDING TO THE SERIES OF OUTPUT DISPLAYED DECIMAL DIGITS, RESPECTIVELY, EACH OF SAID DECADE UNITS INCLUDING DIGITAL MEANS HAVING A PLURALITY OF BINARY CODED STATES CORRESPONDING TO A PLURALITY OF OUTPUT DECIMAL DIGITS, RESPECTIVELY, VISUAL READOUT MEANS RESPONSIVE TO THE EXISTING BINARY CODED STATE OF ITS DIGITAL MEANS FOR PRODUCING A CORRESPONDING VISUAL DECIMAL OUTPUT IMAGE, POTENTIOMETER MEANS FOR PRODUCING AN OUTPUT VOLTAGE CORRESPONDING TO THE PARTICULAR DECIMAL DIGIT REPRESENTED BY SAID DIGITAL MEANS AND TO THE PARTICULAR DECIMAL DIGIT IN THE DISPLAYED DECIMAL NUMBER REPRESENTED BY SAID DECADE UNIT, AND MEANS RESPONSIVE TO AN APPLIED INPUT SIGNAL FOR CHANGING THE BINARY CODED STATE OF SAID DIGITAL MEANS TO REPRESENT THE NEXT LOWER DECIMAL DIGIT VALUE; MEANS FOR COMBINING THE OUTPUT VOLTAGES PRODUCED BY THE POTENTIOMETER MEANS IN SAID SERIES
Claim 2
Dependent Claim
169 words
AN ELECTRONIC MEASURING INSTRUMENT FOR MEASURING THE VALUE OF AN INPUT VOLTAGE AND VISUALLY DISPLAYING THE VALUE OF THE VOLTAGE AS A SERIES OF OUTPUT DECIMAL DIGITS REPRESENTING A DECIMAL NUMBER, SAID INSTRUMENT COMPRISING: A SERIES OF DECADE UNITS CORRESPONDING TO THE SERIES OF OUTPUT DISPLAYED DECIMAL DIGITS, RESPECTIVELY, EACH OF SAID DECADE UNITS INCLUDING DIGITAL MEANS HAVING A PLURALITY OF BINARY CODED STATES CORRESPONDING TO A PLURALITY OF OUTPUT DECIMAL DIGITS, RESPECTIVELY, VISUAL READOUT MEANS RESPONSIVE TO THE EXISTING BINARY CODED STATE OF ITS DIGITAL MEANS FOR PRODUCING A CORRESPONDING VISUAL DECIMAL OUTPUT IMAGE, POTENTIOMETER MEANS FOR PRODUCING AN OUTPUT VOLTAGE CORRESPONDING TO THE PARTICULAR DECIMAL DIGIT REPRESENTED BY SAID DIGITAL MEANS AND TO THE PARTICULAR DECIMAL DIGIT IN THE DISPLAYED DECIMAL NUMBER REPRESENTED BY SAID DECADE UNIT, AND MEANS RESPONSIVE TO AN APPLIED INPUT SIGNAL FOR CHANGING THE BINARY CODED STATE OF SAID DIGITAL MEANS TO REPRESENT THE NEXT LOWER DECIMAL DIGIT VALUE; MEANS FOR COMBINING THE OUTPUT VOLTAGES PRODUCED BY THE POTENTIOMETER MEANS IN SAID SERIES
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) | 1967-09-15 | 1968-03-16 | 1968-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-15 | 1972-03-16 | 1972-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-15 | 1976-03-16 | 1976-09-15 | $7700.00 | Window Closed / Lapsed |