Patent US3225334A successfully refreshed from Google Patents.
US3225334A
Expired / Lapsed
US
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Data processing system including plural peripheral devices with means for the selection and operation
Assignee: General Electric Co
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Filing: 1962-05-01
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Granted: 1965-12-21
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Expires: 1982-05-01
Abstract
No abstract record available.
Inventors
- 👤 John H Fields
- 👤 Jr Charles H Propster
- 👤 David W Masters
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:57
CPC Classifications
G; G06; G06F; G06F9/00; G06F9/06; G06F9/46; G06F9/48; G06F9/4806; G06F9/4812; G06F9/4818; G06F13/00; G06F13/14; G06F13/20; G06F13/24; G06F13/26; G06F13/36
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
134 words
IN AN ELECTRONIC DATA PROCESSING SYSTEM COMPRISING A CENTRAL PROCESSOR AND A PLURALITY OF PERIPHERAL DEVICES, SAID CENTRAL PROCESSOR INCLUDING DATA STORAGE MEANS CONTAINING INPUT AND OUTPUT INSTRUCTIONS, SAID LAST NAMED INSTRUCTIONS COMPRISING A PLURALITY OF INSTRUCTION WORDS, AN INSTRUCTION WORD COMPRISING A PRESCRIBED NUMBER FOR BINARY BITS IN A GIVEN COMBINATION, EACH OF SAID PERIPHERAL DEVICES HAVING DISCRETE CONTROL MEANS ASSOCIATED THEREWITH; SELECTING MEANS IN CIRCUIT WITH SAID CENTRAL PROCESSOR AND SAID CONTROL MEANS FOR ENABLING COMMUNICATION BETWEEN SAID CENTRAL PROCESSOR AND SAID PERIPHERAL DEVICES TO INITIATE THE EXECUTION OF SAID INSTRUCTIONS AND FOR ENABLING COMMUNICATION BETWEEN SAID PERIPHERAL DEVICES AND SAID CENTRAL PROCESSOR DURING THE EXECUTION OF SAID INSTRUCTIONS, A PLURALITY OF FIRST MEANS CONNECTING SAID SELECTING MEANS AND EACH OF SAID CONTROL MEANS RESPECTIVELY, EACH OF SAID FIRST CONNECTING MEANS REPRESENT-
Claim 2
Dependent Claim
134 words
IN AN ELECTRONIC DATA PROCESSING SYSTEM COMPRISING A CENTRAL PROCESSOR AND A PLURALITY OF PERIPHERAL DEVICES, SAID CENTRAL PROCESSOR INCLUDING DATA STORAGE MEANS CONTAINING INPUT AND OUTPUT INSTRUCTIONS, SAID LAST NAMED INSTRUCTIONS COMPRISING A PLURALITY OF INSTRUCTION WORDS, AN INSTRUCTION WORD COMPRISING A PRESCRIBED NUMBER FOR BINARY BITS IN A GIVEN COMBINATION, EACH OF SAID PERIPHERAL DEVICES HAVING DISCRETE CONTROL MEANS ASSOCIATED THEREWITH; SELECTING MEANS IN CIRCUIT WITH SAID CENTRAL PROCESSOR AND SAID CONTROL MEANS FOR ENABLING COMMUNICATION BETWEEN SAID CENTRAL PROCESSOR AND SAID PERIPHERAL DEVICES TO INITIATE THE EXECUTION OF SAID INSTRUCTIONS AND FOR ENABLING COMMUNICATION BETWEEN SAID PERIPHERAL DEVICES AND SAID CENTRAL PROCESSOR DURING THE EXECUTION OF SAID INSTRUCTIONS, A PLURALITY OF FIRST MEANS CONNECTING SAID SELECTING MEANS AND EACH OF SAID CONTROL MEANS RESPECTIVELY, EACH OF SAID FIRST CONNECTING MEANS REPRESENT-
References Cited (Backward Citations)
US3029414A
Cited
US3061192A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-12-20 | 1969-06-21 | 1969-12-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-20 | 1973-06-21 | 1973-12-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-20 | 1977-06-21 | 1977-12-21 | $7700.00 | Window Closed / Lapsed |