Patent US5431672A successfully refreshed from Google Patents.
US3241118A
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Flow table logic
Assignee: International Business Machines Corp
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Filing: 1961-05-16
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Granted: 1966-03-15
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Expires: 1981-05-16
Abstract
No abstract record available.
Inventors
- 👤 Robert J Domenico
- 👤 Paul R Low
- 👤 Gerald A Maley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 10:13
CPC Classifications
G; G06; G06F; G06F9/00; G06F9/06; G06F9/30; G06F18/00; G06F18/20; G06F18/24; G06F18/243; G06F18/24323; G11; G11C; G11C19/00; G11C19/28; G11C19/30; G11C19/32
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
107 words
THE METHOD OF IMPLEMENTING A SEQUENTIAL SWITCHING CIRCUIT IN FLOW TABLE LOGIC, COMPRISING THE FOLLOWING STEPS: EXPRESSING THE CIRCUIT AS A FLOW TABLE HAVING STABLE FUNCTIONS AND SWITCHING FUNCTIONS IN BLOCKS ARRANGED IN COLUMNS REPRESENTING VARIOUS INPUTS AND ROWS REPRESENTING STEPS IN THE HISTORICAL SEQUENCE, PROVIDING A FLOW TABLE LOGIC RETAINER CIRCUIT FOR EACH ROW IN WHICH A STABLE FUNCTION IS TO APPEAR, PROVIDING A FLOW TABLE LOGIC DIRECTOR CIRCUIT FOR EACH SWITCHING FUNCTION, AND CONNECTING THE FLOW TABLE LOGIC RETAINER CIRCUITS REPRESENTING VARIOUS HISTORICAL STEPS IN THE LOGICAL SEQUENCE TO THE RESPECTIVELY SUCCEEDING FLOW TABLE LOGIC RETAINER CIRCUITS VIA RESPECTIVELY INTERVENING FLOW TABLE LOGIC DIRECTOR CIRCUITS.
Claim 2
Independent Claim
107 words
THE METHOD OF IMPLEMENTING A SEQUENTIAL SWITCHING CIRCUIT IN FLOW TABLE LOGIC, COMPRISING THE FOLLOWING STEPS: EXPRESSING THE CIRCUIT AS A FLOW TABLE HAVING STABLE FUNCTIONS AND SWITCHING FUNCTIONS IN BLOCKS ARRANGED IN COLUMNS REPRESENTING VARIOUS INPUTS AND ROWS REPRESENTING STEPS IN THE HISTORICAL SEQUENCE, PROVIDING A FLOW TABLE LOGIC RETAINER CIRCUIT FOR EACH ROW IN WHICH A STABLE FUNCTION IS TO APPEAR, PROVIDING A FLOW TABLE LOGIC DIRECTOR CIRCUIT FOR EACH SWITCHING FUNCTION, AND CONNECTING THE FLOW TABLE LOGIC RETAINER CIRCUITS REPRESENTING VARIOUS HISTORICAL STEPS IN THE LOGICAL SEQUENCE TO THE RESPECTIVELY SUCCEEDING FLOW TABLE LOGIC RETAINER CIRCUITS VIA RESPECTIVELY INTERVENING FLOW TABLE LOGIC DIRECTOR CIRCUITS.
Claim 3
Dependent Claim
212 words
A SEQUENTIAL SWITCHING CIRCUIT FOR PERFORMING SEQUENTIAL LOGIC OF THE TYPE WHICH MAY BE EXPRESSED AS A FLOW TABLE HAVING A MULTIPLICITY OF ROWS EACH REPRESENTING A VARIABLE-RELATED IMPUT, COMPRISING: A MULTIPLICITY OF ROW CONDUCTORS, ONE FOR EACH ROW OF THE FLOW TABLE, ARRAYED IN FIRST PLANE; A PLURALITY OF ROW OUTPUT MEANS ASSOCIATED RESPECTIVELY WITH SAID ROW CONDUCTORS; A PLURALITY OF COLUMN CONDUCTORS, ONE FOR EACH COLUMN IN THE FLOW TABLE, ARRAYED IN A PLANE INSULATED FROM AND SUBSTANTIALLY PARALLEL TO THAT OF THE ROW CONDUCTORS, THE DIRECTION OF THE COLUMN CONDUCTORS BEING SUCH THAT EACH COLUMN CONDUCTOR MOST NEARLY APPROACHES EACH ROW CONDUCTOR AT A SINGLE INTERCEPT POINT; AVAILABLE-RELATED MEANS TO APPLY CONDITIONING STIMULUS TO A SELECTED COLUMN CONDUCTOR; A FLOW TABLE LOGIC RETAINER CIRCUIT ASSOCIATED WITH A PARTICULAR INTERCEPT POINT OF COLUMN CONDUCTOR AND ROW CONDUCTOR, SAID RETAINER CIRCUIT HAVING A CONDITIONING INPUT AND A COLUMN INPUT AND BEING EFFECTIVE RESPONSIVE TO COINCIDENT CONDITIONING OF SAID CONDITIONING INPUT AND SAID COLUMN INPUT TO DRIVE ITS RELATED ROW CONDUCTOR TO A STABLE CONDITION EFFECTIVE TO CONDITION SAID OUTPUT MEANS; AND MEANS ASSOCIATED WITH THE ROW CONDUCTOR THUS CONDITIONABLE BY THE RELATED RETAINER CIRCUIT FOR APPLYING A CONDITIONING STIMULUS TO THE CONDITIONING INPUT OF A RETAINER CIRCUIT IN A DIFFERENT COLUMN.
Claim 4
Dependent Claim
212 words
A SEQUENTIAL SWITCHING CIRCUIT FOR PERFORMING SEQUENTIAL LOGIC OF THE TYPE WHICH MAY BE EXPRESSED AS A FLOW TABLE HAVING A MULTIPLICITY OF ROWS EACH REPRESENTING A VARIABLE-RELATED IMPUT, COMPRISING: A MULTIPLICITY OF ROW CONDUCTORS, ONE FOR EACH ROW OF THE FLOW TABLE, ARRAYED IN FIRST PLANE; A PLURALITY OF ROW OUTPUT MEANS ASSOCIATED RESPECTIVELY WITH SAID ROW CONDUCTORS; A PLURALITY OF COLUMN CONDUCTORS, ONE FOR EACH COLUMN IN THE FLOW TABLE, ARRAYED IN A PLANE INSULATED FROM AND SUBSTANTIALLY PARALLEL TO THAT OF THE ROW CONDUCTORS, THE DIRECTION OF THE COLUMN CONDUCTORS BEING SUCH THAT EACH COLUMN CONDUCTOR MOST NEARLY APPROACHES EACH ROW CONDUCTOR AT A SINGLE INTERCEPT POINT; AVAILABLE-RELATED MEANS TO APPLY CONDITIONING STIMULUS TO A SELECTED COLUMN CONDUCTOR; A FLOW TABLE LOGIC RETAINER CIRCUIT ASSOCIATED WITH A PARTICULAR INTERCEPT POINT OF COLUMN CONDUCTOR AND ROW CONDUCTOR, SAID RETAINER CIRCUIT HAVING A CONDITIONING INPUT AND A COLUMN INPUT AND BEING EFFECTIVE RESPONSIVE TO COINCIDENT CONDITIONING OF SAID CONDITIONING INPUT AND SAID COLUMN INPUT TO DRIVE ITS RELATED ROW CONDUCTOR TO A STABLE CONDITION EFFECTIVE TO CONDITION SAID OUTPUT MEANS; AND MEANS ASSOCIATED WITH THE ROW CONDUCTOR THUS CONDITIONABLE BY THE RELATED RETAINER CIRCUIT FOR APPLYING A CONDITIONING STIMULUS TO THE CONDITIONING INPUT OF A RETAINER CIRCUIT IN A DIFFERENT COLUMN.
References Cited (Backward Citations)
US2346616A
Cited
US2600155A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-03-14 | 1969-09-13 | 1970-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-14 | 1973-09-13 | 1974-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-14 | 1977-09-13 | 1978-03-15 | $7700.00 | Window Closed / Lapsed |