Improvements in or relating to data processing devices
Abstract
Abstract A DATA PROCESSING DEVICE HAVING PARTICULAR APPLICATION AS A TEACHING MACHINE. A DATA CARD CONTAINS PRE-PUNCHED CONTROL DATA FOR ONE QUESTION AND A PRE-SCORED RESPONSE DATA FIELD IN WHICH THE STUDENT RECORDS AN ATTEMPT AT THE QUESTION. THIS IS DONE IN A SEPARATE CARDHOLDER WHICH IDENTIFIES THE PRE-SCORINGS WITH INFORMATION ITEMS OF AN ASSOCIATED TEXT. HAVING "PUNCHED" OUT A RESPONSE THE STUDENT INSERTS THE CARD IN THE PROCESSOR AND OPERATES AN ASSESSMENT LEVER. A CONTROL CARRIAGES SCANS THE CONTROL DATA MAKING A SERIES OF TESTS ON THE RESPONSE ATTEMPT. AN ADDRESS FOR REMEDIAL OR NEXT-QUESTION INFORMATION RESULTS FROM THE OVERALL ASSESSMENT OF THE RESPONSE ATTEMPT ON THE BASIS OF THE SERIES OF TESTS.
Inventors
- 👤 Robert Stanley Arbon
Bibliographic Details
Claims Analysis
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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) | 1974-10-04 | 1975-04-05 | 1975-10-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-10-04 | 1979-04-05 | 1979-10-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-10-04 | 1983-04-05 | 1983-10-05 | $7700.00 | Window Closed / Lapsed |