Patent US3107339A successfully refreshed from Google Patents.
US3107339A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Comparing circuit
Assignee: International Business Machines Corp
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Filing: 1960-09-29
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Granted: 1963-10-15
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Expires: 1980-09-29
Abstract
No abstract record available.
Inventors
- 👤 Jr Kelly B Day
- 👤 Russell G Rinaldi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:11
CPC Classifications
G; G06; G06F; G06F7/00; G06F7/02; G06F7/026
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
212 words
A COMPARATOR OF THE TYPE WHICH PRODUCES OUTPUTS INDICATING THAT A STORED CHARACTER IS OF A HIGHER OR LOWER ORDER THAN AN ARGUMENT CHARACTER, SAID CHARACTERS REPRESENTING A PLURALITY OF SPECIAL CHARACTERS, A PLUARLITY OF ALPHABETIC CHARACTERS AND A PLURALITY OF NUMERIC CHARACTERS EACH OF WHICH INCLUDES A PREDETERMINED NUMBER OF ZONAL BITS AND A PREDETERMINED NUMBER O NUMERIC BITS, SAID COMPARATOR COMPRISING A SPECIAL CHARACTER AND BLANK DECODER, SAID SPECIAL CHARACTER AND BLANK DECODER PRODUCING AN OUTPUT INDICATING THAT THE ARGUMENT CHARACTER AND THE STORED CHARACTER ARE NOT BLANK, A SPECIAL CHARACTER AND BLANK RECOGNIZER, SAID SPECIAL CHARACTER AND BLANK RECOGNIZER BEING ENABLED BY THE OUTPUT OF SAID SPECIAL CHARACTER AND BLANK DECODER SAID SPECIAL CHARACTER AND BLANK RECOGNIZER PRODUCING FIRST OUTPUTS INDICATING WHETHER THE STORED CHARACTER AND SAID ARGUMENT CHARACTER ARE SPECIAL CHARACTERS AND SECOND OUTPUTS INDICATING THE RELATIVE ORDER OF MAGNITUDE OF SAID ARGUMENT AND STORED CHARACTERS, A ZONE DECODER, SAID ZONE DECODER BEING SELECTIVELY ENABLED BY THE FIRST OUTPUTS OF SAID SPECIAL CHARACTER AND BLANK RECOGNIZER, SAID ZONE DECODER PRODUCING AN OUTPUT INDICATING THE RELATIVE ORDER OF MAGNITUDE OF SAID STORED AND SAID ARGUMENT CHARACTERS, SAID ZONE DECODER PRODUCING OUTPUTS INDICATIVE OF THE EQUALITY OF THE ZONAL BITS OF THE STORED AND ARGUMENT CHARACTERS, A NUMERICS EQUAL DECODER,
Claim 2
Dependent Claim
212 words
A COMPARATOR OF THE TYPE WHICH PRODUCES OUTPUTS INDICATING THAT A STORED CHARACTER IS OF A HIGHER OR LOWER ORDER THAN AN ARGUMENT CHARACTER, SAID CHARACTERS REPRESENTING A PLURALITY OF SPECIAL CHARACTERS, A PLUARLITY OF ALPHABETIC CHARACTERS AND A PLURALITY OF NUMERIC CHARACTERS EACH OF WHICH INCLUDES A PREDETERMINED NUMBER OF ZONAL BITS AND A PREDETERMINED NUMBER O NUMERIC BITS, SAID COMPARATOR COMPRISING A SPECIAL CHARACTER AND BLANK DECODER, SAID SPECIAL CHARACTER AND BLANK DECODER PRODUCING AN OUTPUT INDICATING THAT THE ARGUMENT CHARACTER AND THE STORED CHARACTER ARE NOT BLANK, A SPECIAL CHARACTER AND BLANK RECOGNIZER, SAID SPECIAL CHARACTER AND BLANK RECOGNIZER BEING ENABLED BY THE OUTPUT OF SAID SPECIAL CHARACTER AND BLANK DECODER SAID SPECIAL CHARACTER AND BLANK RECOGNIZER PRODUCING FIRST OUTPUTS INDICATING WHETHER THE STORED CHARACTER AND SAID ARGUMENT CHARACTER ARE SPECIAL CHARACTERS AND SECOND OUTPUTS INDICATING THE RELATIVE ORDER OF MAGNITUDE OF SAID ARGUMENT AND STORED CHARACTERS, A ZONE DECODER, SAID ZONE DECODER BEING SELECTIVELY ENABLED BY THE FIRST OUTPUTS OF SAID SPECIAL CHARACTER AND BLANK RECOGNIZER, SAID ZONE DECODER PRODUCING AN OUTPUT INDICATING THE RELATIVE ORDER OF MAGNITUDE OF SAID STORED AND SAID ARGUMENT CHARACTERS, SAID ZONE DECODER PRODUCING OUTPUTS INDICATIVE OF THE EQUALITY OF THE ZONAL BITS OF THE STORED AND ARGUMENT CHARACTERS, A NUMERICS EQUAL DECODER,
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) | 1966-10-14 | 1967-04-15 | 1967-10-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-10-14 | 1971-04-15 | 1971-10-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-10-14 | 1975-04-15 | 1975-10-15 | $7700.00 | Window Closed / Lapsed |