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US3231875A
Expired / Lapsed
US
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Converter for converting a semi-permanent memory into an electrical signal
Assignee: NEC Corp
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Filing: 1962-06-11
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Granted: 1966-01-25
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Expires: 1982-06-11
Abstract
No abstract record available.
Inventors
- 👤 Ishidate Takashi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 20:14
CPC Classifications
H; H04; H04Q; H04Q3/00; H04Q3/42; G; G11; G11C; G11C17/00; G11C17/02; G11C17/08; G11C17/10; G11C17/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
92 words
SIGNAL CONVERSION MEANS COMPRISING A TWO DIMENSIONAL MATRIX HAVING A PLURALITY OF ROWS AND COLUMNS; EACH OF SAID ROWS AND COLUMNS BEING COMPRISED OF A PAIR OF SPACED PARALLEL CONDUCTORS; SAID CONDUCTORS OF EACH OF SAID PAIRS BEING ELECTRICALLY CONNECTED AT A FIRST END THEREOF TO FORM A LOOP; SIGNAL GENERATING MEANS CONNECTED TO THE SECOND ENDS OF EACH OF SAID ROW PAIRS; UTILIZATION MEANS CONNECTED TO THE SECOND ENDS OF EACH OF SAID COLUMN PAIRS; COUPLING MEANS; EACH OF SAID ROW CONDUCTOR PAIRS AND SAID COLUMN CONDUCTOR PAIRS FORMING A SUB-
Claim 2
Dependent Claim
92 words
SIGNAL CONVERSION MEANS COMPRISING A TWO DIMENSIONAL MATRIX HAVING A PLURALITY OF ROWS AND COLUMNS; EACH OF SAID ROWS AND COLUMNS BEING COMPRISED OF A PAIR OF SPACED PARALLEL CONDUCTORS; SAID CONDUCTORS OF EACH OF SAID PAIRS BEING ELECTRICALLY CONNECTED AT A FIRST END THEREOF TO FORM A LOOP; SIGNAL GENERATING MEANS CONNECTED TO THE SECOND ENDS OF EACH OF SAID ROW PAIRS; UTILIZATION MEANS CONNECTED TO THE SECOND ENDS OF EACH OF SAID COLUMN PAIRS; COUPLING MEANS; EACH OF SAID ROW CONDUCTOR PAIRS AND SAID COLUMN CONDUCTOR PAIRS FORMING A SUB-
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) | 1969-01-24 | 1969-07-26 | 1970-01-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-24 | 1973-07-26 | 1974-01-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-24 | 1977-07-26 | 1978-01-25 | $7700.00 | Window Closed / Lapsed |