US3351915A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mask generating circuit
Assignee: AT&T Inc
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Filing: 1964-12-30
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Granted: 1967-11-07
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Expires: 1984-12-30
Abstract
No abstract record available.
Inventors
- 👤 Benjamin T Fought
- 👤 William B Macurdy
- 👤 Iii David Muir
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:59
CPC Classifications
G; G06; G06F; G06F9/00; G06F9/06; G06F9/30; G06F9/30003; G06F9/30007; G06F9/30018; G06F9/30036; G06F9/30038
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
122 words
A DATA PROCSSING MACHINE COMPRISING AN INSTRUCTION DECODER, MEANS SUPPLYING TO SAID DECODER MACHINE INSTRUCTIONS SPECIFYING THE SIZE AND POSITION OF AN ADJACENT-BIT MASK WINDOW, SAID DECORDER PRODUCING OUTPUT SIGNALS REPRESENTING IN BINARY FORM ON A PLURALITY OF OUTPUT CIRCUITS THE BIT MAGNITUDE OF SAID WINDOW AND THE BIT MAGNITUDE SAID WINDOW POSITION WITH RESPECT TO A RIGHT-ADJUSTED POSITION, A BINARY ADDER COMPUTING THE SUM OF SAID WINDOW MAGNITUDE AND SHIFT SIGNALS, TRANSLATING MEANS SEPARATELY CONVERTING SAID SHIFT SIGNALS AND THE OUTPUT OF SAID ADDER INTO SEPARATE ONE-OUT-OF-M SINGAL REPRESENTATIONS, WHERE M IS THE NUMBER OF BITS IN PROCESSING MACHINE WORD, FOR DEFINING THE BIT POSITIONS IN A PROCESSING MACHINE WORD CORRESPONDING THE THE BEGINNING AND ENDING BITS OF SAID MASK WINDOW,
References Cited (Backward Citations)
US3134091A
Cited
US3251037A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-11-06 | 1971-05-08 | 1971-11-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-06 | 1975-05-08 | 1975-11-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-06 | 1979-05-08 | 1979-11-07 | $7700.00 | Window Closed / Lapsed |