US3248692A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combined comparator and parity checker
Assignee: Unisys Corp
•
Filing: 1961-03-24
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Granted: 1966-04-26
•
Expires: 1981-03-24
Abstract
No abstract record available.
Inventors
- 👤 Shih Wei Ming
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:47
CPC Classifications
G; G06; G06F; G06F11/00; G06F11/07; G06F11/08; G06F11/10; G06F7/00; G06F7/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
123 words
A SYSTEM FOR CHECKING CODED INFORMATION COMPRISING, FIRST MEANS FOR RECEIVING CODED INFORMATION FROM A FIRST SOURCE, SECOND MEANS FOR RECEIVING CODED INFORMATION FROM A SECOND SOURCE, COMPARATOR MEANS, SAID FIRST AND SECOND MEANS BEING COUPLED TO SAID COMPARATOR MEANS TO PRODUCE FURTHER CODED INFORMATION WHICH IS INDICATIVE OF THE RELATIONSHIP BETWEEN THE CODED INFORMATION RECEIVED FROM SAID FIRST AND SECOND SOURCES, FIRST OUTPUT MEANS COUPLED TO SAID COMPARATOR MEANS, MEANS FOR SAMPLING SAID FURTHER INFORMATION IN ACCORDANCE WITH BOOLEAN ALGEBRA PRINCIPLES TO DETERMINE THE PARITY OF SAID FURTHER INFORMATION, SAID LAST NAMED MEANS BEING COUPLED TO SAID COMPARATOR MEANS, ANS SECOND OUTPUT MEANS CONNECTED TO SAID LAST NAMED MEANS TO PRODUCE A SIGNAL WHICH INDICATES WHETHER OR NOT SAID PARITY IS ODD.
Claim 2
Independent Claim
123 words
A SYSTEM FOR CHECKING CODED INFORMATION COMPRISING, FIRST MEANS FOR RECEIVING CODED INFORMATION FROM A FIRST SOURCE, SECOND MEANS FOR RECEIVING CODED INFORMATION FROM A SECOND SOURCE, COMPARATOR MEANS, SAID FIRST AND SECOND MEANS BEING COUPLED TO SAID COMPARATOR MEANS TO PRODUCE FURTHER CODED INFORMATION WHICH IS INDICATIVE OF THE RELATIONSHIP BETWEEN THE CODED INFORMATION RECEIVED FROM SAID FIRST AND SECOND SOURCES, FIRST OUTPUT MEANS COUPLED TO SAID COMPARATOR MEANS, MEANS FOR SAMPLING SAID FURTHER INFORMATION IN ACCORDANCE WITH BOOLEAN ALGEBRA PRINCIPLES TO DETERMINE THE PARITY OF SAID FURTHER INFORMATION, SAID LAST NAMED MEANS BEING COUPLED TO SAID COMPARATOR MEANS, ANS SECOND OUTPUT MEANS CONNECTED TO SAID LAST NAMED MEANS TO PRODUCE A SIGNAL WHICH INDICATES WHETHER OR NOT SAID PARITY IS ODD.
References Cited (Backward Citations)
USRE23601E
Cited
US2959351A
Cited
US3008129A
Cited
US2857100A
Cited
US2892888A
Cited
US3111578A
Cited
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 |