US3248703A
Expired / Lapsed
US
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Digital data processor visual display
Assignee: Unisys Corp
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Filing: 1961-03-24
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Granted: 1966-04-26
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Expires: 1981-03-24
Abstract
No abstract record available.
Inventors
- 👤 Mary L Moore
- 👤 Breslin Mary Anne
- 👤 William F Schmitt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:12
CPC Classifications
G; G06; G06F; G06F11/00; G06F11/07; G06F11/0703; G06F11/0766; G06F11/0772; G06F11/0706; G06F11/0721; G06F11/30; G06F11/32; G06F11/324; G06F11/325; G06F11/34; G06F11/3466
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
127 words
IN A DIGITAL DATA PROCESSING SYSTEM WHEREIN DATA AND INSTRUCTIONS ARE REPRESENTED BY DIGITAL CODES, SAID SYSTEM COMPRISING A PLURALITY OF DATA REGISTERS AND ERROR DETECTION CIRCUITS, SAID DIGITAL DATA PROCESSING SYSTEM CHARACTERIZED BY THE INCLUSION OF A STATIC DISPLAY REGISTER, A PLURALITY OF AND GATING MEANS FOR CONNECTING THE INPUT OF SAID DISPLAY REGISTER TO RECEIVE THE CONTENTS OF A RESPECTIVE ONE OF SAID DATA REGISTERS, MANUALLY OPERABLE SWITCHING MEANS FOR CHOOSING A SELECTED ONE OF SAID GATING MEANS, AND CIRCUIT MEANS FOR PROVIDING AN ENABLING SIGNAL TO SAID GATING WHICH HAS BEEN SELECTED, MEANS WHEN AN ERROR IS DETECTED BY SAID ERROR DETECTION CIRCUITS SAID ENABLING SIGNAL CAUSING THE TRANSFER OF SAID CONTENTS OF A RESPECTIVE ONE OF SAID DATA REGISTERS TO SAID DISPLAY REGISTER.
Claim 2
Dependent Claim
127 words
IN A DIGITAL DATA PROCESSING SYSTEM WHEREIN DATA AND INSTRUCTIONS ARE REPRESENTED BY DIGITAL CODES, SAID SYSTEM COMPRISING A PLURALITY OF DATA REGISTERS AND ERROR DETECTION CIRCUITS, SAID DIGITAL DATA PROCESSING SYSTEM CHARACTERIZED BY THE INCLUSION OF A STATIC DISPLAY REGISTER, A PLURALITY OF AND GATING MEANS FOR CONNECTING THE INPUT OF SAID DISPLAY REGISTER TO RECEIVE THE CONTENTS OF A RESPECTIVE ONE OF SAID DATA REGISTERS, MANUALLY OPERABLE SWITCHING MEANS FOR CHOOSING A SELECTED ONE OF SAID GATING MEANS, AND CIRCUIT MEANS FOR PROVIDING AN ENABLING SIGNAL TO SAID GATING WHICH HAS BEEN SELECTED, MEANS WHEN AN ERROR IS DETECTED BY SAID ERROR DETECTION CIRCUITS SAID ENABLING SIGNAL CAUSING THE TRANSFER OF SAID CONTENTS OF A RESPECTIVE ONE OF SAID DATA REGISTERS TO SAID DISPLAY REGISTER.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-04-25 | 1969-10-25 | 1970-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-25 | 1973-10-25 | 1974-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-25 | 1977-10-25 | 1978-04-26 | $7700.00 | Window Closed / Lapsed |