US3553681A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Variable increment digitizer
Assignee: Calma Co
•
Filing: 1966-12-15
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Granted: 1971-01-05
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Expires: 1986-12-15
Abstract
Abstract A GRAPHICAL DATA DIGITIZER TRANSLATING MOVEMENT OF A STYLUS INTO X AND Y DIGITAL DATA, AND X AND Y REVERSIBLE COUNTERS FOR ACCUMULATING THIS DIGITAL DATA FOR A PREDETERMINED INTERVAL OF TIME. THIS DATA-REPRESENTING SIZE OF THE SAMPLING INCREMENT-IS RECORDED AS A BINARY ENCODED CHARACTER ON MAGNETIC TAPE, THIS INCREMENT SIZE AUTOMATICALLY VARIES PROPORTIONALLY WITH THE SPEED AT WHICH THE STYLUS IS TRACED OVER THE DATA. A MINIMUM INCREMENT SIZE SELECTOR IS ALSO PROVIDED FOR INHIBITING RECORDING OF THE DATA UNTIL A PREDETERMINED VALUE IS RECORDED IN THE REVERSIBLE COUNTERS.
Inventors
- 👤 Ronald D Cone
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:22
CPC Classifications
G; G06; G06K; G06K15/00; G06K15/22; G06K11/00; G06K11/02; H; H03; H03M; H03M1/00; H03M1/12; H03M1/48
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-01-04 | 1974-07-06 | 1975-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-04 | 1978-07-06 | 1979-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-04 | 1982-07-06 | 1983-01-05 | $7700.00 | Window Closed / Lapsed |