US3196258A
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Assignee: International Business Machines Corp
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Filing: 1960-06-02
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Granted: 1965-07-20
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Expires: 1980-06-02
Abstract
No abstract record available.
Inventors
- 👤 Louis E Belcastro
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 19:20
CPC Classifications
G; G06; G06F; G06F11/00; G06F11/07; G06F11/0703; G06F11/0751; G01; G01R; G01R31/00; G01R31/28; G01R31/317; G01R31/3181; G01R31/3185; G01R31/318522; G01R31/318527; H; H03; H03K; H03K21/00; H03K21/40
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
113 words
APPARATUS FOR CHECKING THE FAILURE OF A STEPPING PULSE TO CORRECTLY CHANGE A COUNTER''S STATE TO ONE OF A NUMBER OF PREDETERMINED STATES OF A SEQEUENCE OF DISTINGUISHABLE STATES COMPRISING; STORAGE MEANS FOR STORING THE STATES OF THE COUNTER BEFORE AND AFTER APPLICATION OF SAID STEPPING PULSE; COMPARISON MEANS ASSOCIATED WITH SAID STORAGE MEANS FOR COMPARING THE STORED STATES AND GENERATING A BLOCKING SIGNAL, IF THE COUNTER HAS CHANGED STATES CORRECTLY; MEANS RESPONSIVE TO SAID STEPPING PULSES, FOR GENERATING ONE ERROR PULSE FOR EACH STEPPING PULSE; AND GATING MEANS RESPONSIVE TO SAID ERROR PULSE AND BLOCKING SIGNAL FOR BLOCKING FURTHER TRANSMISSION OF ANY OF SAID ERROR SIGNALS WHICH CORRESPOND WITH A BLOCKING SIGNAL.
Claim 2
Dependent Claim
113 words
APPARATUS FOR CHECKING THE FAILURE OF A STEPPING PULSE TO CORRECTLY CHANGE A COUNTER''S STATE TO ONE OF A NUMBER OF PREDETERMINED STATES OF A SEQEUENCE OF DISTINGUISHABLE STATES COMPRISING; STORAGE MEANS FOR STORING THE STATES OF THE COUNTER BEFORE AND AFTER APPLICATION OF SAID STEPPING PULSE; COMPARISON MEANS ASSOCIATED WITH SAID STORAGE MEANS FOR COMPARING THE STORED STATES AND GENERATING A BLOCKING SIGNAL, IF THE COUNTER HAS CHANGED STATES CORRECTLY; MEANS RESPONSIVE TO SAID STEPPING PULSES, FOR GENERATING ONE ERROR PULSE FOR EACH STEPPING PULSE; AND GATING MEANS RESPONSIVE TO SAID ERROR PULSE AND BLOCKING SIGNAL FOR BLOCKING FURTHER TRANSMISSION OF ANY OF SAID ERROR SIGNALS WHICH CORRESPOND WITH A BLOCKING SIGNAL.
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) | 1968-07-19 | 1969-01-18 | 1969-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-19 | 1973-01-18 | 1973-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-19 | 1977-01-18 | 1977-07-20 | $7700.00 | Window Closed / Lapsed |