US3559170A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Methods and apparatus for data input to a computer
Assignee: Individual
•
Filing: 1967-03-07
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Granted: 1971-01-26
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Expires: 1987-03-07
Abstract
Abstract A METHOD OF REPRESENTING NUMERICAL INFORMATION IN BINARY FORM WHEREIN A PLURALITY OF DOT PATTERNS ARE ESTABLISHED ON A DATA MEDIUM AND NUMERICAL WEIGHTING IS GIVEN TO EACH DOT PATTERN BY SELECTIVELY JOINING DOT PAIRS OF THE PATTERN WITH ESSENTIALLY STRAIGHT LINES, AND APPARATUS FOR READING NUMERICAL INFORMATION IN THE FORM SET OUT ABOVE INCLUDING APPARATUS WHICH UTILIZES ELECTRONIC PULSES OR SENSING SCANNERS FOR INTERROGATING THE SPACE BETWEEN DOT PAIRS WHICH CAN HAVE LINES DRAWN THEREBETWEEN IN ORDER TO DETERMINE THE NUMERICAL WEIGHTING OF A NUMERICAL DOT PATTERN.
Inventors
- 👤 William S Barnes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 01:24
CPC Classifications
G; G06; G06K; G06K7/00; G06K7/01; G06K7/016; G06K7/0163
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) | 1974-01-25 | 1974-07-27 | 1975-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-25 | 1978-07-27 | 1979-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-25 | 1982-07-27 | 1983-01-26 | $7700.00 | Window Closed / Lapsed |