Patent US3588835A successfully refreshed from Google Patents.
US3588835A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Debugging of on-line digital computers having an active interrupt
Assignee: Goodyear Tire and Rubber Co
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Filing: 1969-03-14
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Granted: 1971-06-28
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Expires: 1989-03-14
Abstract
Abstract THIS INVENTION INVOLVES METHODS AND CIRCUITRY FOR DEBUGGING PROGRAMMABLE DIGITAL COMPUTERS HAVING AN ACTIVE INTERRUPT. AN INTERRUPT IS AUTOMATICALLY PROVIDED FOLLOWING EACH PROGRAM INSTRUCTION. EVERY INTERRUPT INTERROGATES INPUTOUTPUT DEVICES TO DETERMINE WHICH, IF ANY, REQUIRE SERVICE. ERRORS MAY BE LOCATED BY A DEBUG ROUTINE WHICH FOLLOWS THE INTERROGATION. THIS INVENTION ALLOWS THE PROGRAMMER TO READILY LOCATE ERRORS AND WORK BACKWARDS TO MAKE THE PROPER CORRECTIONS.
Inventors
- 👤 Robert S Enabnit
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 06:13
CPC Classifications
G; G06; G06F; G06F11/00; G06F11/36; G06F11/362
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) | 1974-06-27 | 1974-12-27 | 1975-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-27 | 1978-12-27 | 1979-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-27 | 1982-12-27 | 1983-06-28 | $7700.00 | Window Closed / Lapsed |