US3214764A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Digital-analog recorder system
Assignee: Leeds and Northrup Co
•
Filing: 1963-02-08
•
Granted: 1965-10-26
•
Expires: 1983-02-08
Abstract
No abstract record available.
Inventors
- 👤 Jr Albert J Williams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:16
CPC Classifications
G; G06; G06M; G06M1/00; G06M1/27
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
102 words
A RECORDING SYSTEM COMPRISING A PLURALITY OF ILLUMINATION MEANS, MEANS ASSOCIATED WITH EACH OF SAID ILLUMINATION MENAS, FOR DISPLAYING A GROUP OF ILLUMINATED CALIBRATION MARKS WITH AN ILLUMINATED MARK DISPOSED BETWEEN A PAIR OF SAID CALIBRATION MARKS, SAID ILLUMINATED MARK BEING ASSOCIATED WITH A DIFFERNT PAIR OF SAID ILLUMINATED CALIBRATION MARKS FOR EACH OF SAID ILLUMINATION MEANS, AND MEANS FOR SELECTIVELY ENERGIZING SAID ILLUMINATION MEANS IN ACCORDANCE WITH THE VALUE OF A MEASURED VARIABLE THEREBY TO DISPLAY THE PROPER GROUP OF ILLUMINATED CALIBRATION MARKS WITH SAID ILLUMINATED MARKED APPEARING BETWEEN THE CALIBRATION MARKS WHICH INDICATE THE DIGITAL VALUE OF THE MEASURED VARIABLE.
Claim 2
Dependent Claim
102 words
A RECORDING SYSTEM COMPRISING A PLURALITY OF ILLUMINATION MEANS, MEANS ASSOCIATED WITH EACH OF SAID ILLUMINATION MENAS, FOR DISPLAYING A GROUP OF ILLUMINATED CALIBRATION MARKS WITH AN ILLUMINATED MARK DISPOSED BETWEEN A PAIR OF SAID CALIBRATION MARKS, SAID ILLUMINATED MARK BEING ASSOCIATED WITH A DIFFERNT PAIR OF SAID ILLUMINATED CALIBRATION MARKS FOR EACH OF SAID ILLUMINATION MEANS, AND MEANS FOR SELECTIVELY ENERGIZING SAID ILLUMINATION MEANS IN ACCORDANCE WITH THE VALUE OF A MEASURED VARIABLE THEREBY TO DISPLAY THE PROPER GROUP OF ILLUMINATED CALIBRATION MARKS WITH SAID ILLUMINATED MARKED APPEARING BETWEEN THE CALIBRATION MARKS WHICH INDICATE THE DIGITAL VALUE OF THE MEASURED VARIABLE.
References Cited (Backward Citations)
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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) | 1968-10-25 | 1969-04-26 | 1969-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-25 | 1973-04-26 | 1973-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-25 | 1977-04-26 | 1977-10-26 | $7700.00 | Window Closed / Lapsed |