US3291974A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Planar function generator using modulo 2 unprimed canonical form logic
Assignee: Unisys Corp
•
Filing: 1964-12-14
•
Granted: 1966-12-13
•
Expires: 1984-12-14
Abstract
No abstract record available.
Inventors
- 👤 Even Shimon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 00:00
CPC Classifications
G; G06; G06F; G06F7/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
237 words
A LOGICAL NETWORK COMPRISING N ROWS OF FIRST LOGIC MODULES AND ONE ROW OF SECOND LOGIC MODULES CONNECTED IN TREE CONFIGURATION, EACH SAID FIRST MODULE RECEIVING FIRST AND SECOND INPUT SIGNALS AT FIRST AND SECOND INPUT TERMINALS AND PROVIDING FIRST AND SECOND OUTPUT SIGNALS IDENTICAL THERETO AND A THIRD OUTPUT SIGNAL WHICH IS THE CONJUNCTION TO SAID FIRST AND SECOND INPUT SIGNALS, EACH SAID SECOND MODULE RECEIVING THIRD, FOURTH AND FIFTH INPUT SIGNALS AT THIRD, FOURTH AND FIFTH INPUT TERMINAL AND PROVIDING ONE OUTPUT SIGNAL WHICH IS THE MODULO 2 SUM OF SAID THIRD INPUT SIGNAL AND THE CONJUNCTION OF SAID FOURTH AND FIFTH INPUT SIGNALS, THE FIRST OUTPUT SIGNAL FROM EACH FIRST MODULE OF A PRECEDING ROW BEING APPLIED TO THE SECOND INPUT TERMINAL OF A REPRESENTATIVE FIRST MODULE OF A SUCCEEDING ROW, THE THIRD OUTPUT SIGNAL FROM SAID FIRST MODULE OF A PRECEDING ROW BEING APPLIED TO THE SECOND INPUT TERMINAL OF A DIFFERENT RESPECTIVE FIRST MODULE OF SAID SUCCEEDING ROW, THE FIRST OUTPUT SIGNAL FROM EACH FIRST MODULE OF THE LAST ROW OF FIRST MODULES BEING APPLIED TO THE FOURTH INPUT TERMINAL OF A RESPECTIVE SECOND MODULE, THE THIRD OUTPUT SIGNAL FROM EACH SAID FIRST MODULE OF SAID LAST ROW OF FIRST MODULES BEING APPLIED TO THE FOURTH INPUT TERMINAL OF A DIFFERENT RESPECTIVE SECOND MODULE, THE OUTPUT SIGNAL PRECEDING SECOND MODULE BEING APPLIED TO THE THIRD INPUT TERMINAL OF A SUCCEEDING SECOND MODULE.
Claim 2
Dependent Claim
237 words
A LOGICAL NETWORK COMPRISING N ROWS OF FIRST LOGIC MODULES AND ONE ROW OF SECOND LOGIC MODULES CONNECTED IN TREE CONFIGURATION, EACH SAID FIRST MODULE RECEIVING FIRST AND SECOND INPUT SIGNALS AT FIRST AND SECOND INPUT TERMINALS AND PROVIDING FIRST AND SECOND OUTPUT SIGNALS IDENTICAL THERETO AND A THIRD OUTPUT SIGNAL WHICH IS THE CONJUNCTION TO SAID FIRST AND SECOND INPUT SIGNALS, EACH SAID SECOND MODULE RECEIVING THIRD, FOURTH AND FIFTH INPUT SIGNALS AT THIRD, FOURTH AND FIFTH INPUT TERMINAL AND PROVIDING ONE OUTPUT SIGNAL WHICH IS THE MODULO 2 SUM OF SAID THIRD INPUT SIGNAL AND THE CONJUNCTION OF SAID FOURTH AND FIFTH INPUT SIGNALS, THE FIRST OUTPUT SIGNAL FROM EACH FIRST MODULE OF A PRECEDING ROW BEING APPLIED TO THE SECOND INPUT TERMINAL OF A REPRESENTATIVE FIRST MODULE OF A SUCCEEDING ROW, THE THIRD OUTPUT SIGNAL FROM SAID FIRST MODULE OF A PRECEDING ROW BEING APPLIED TO THE SECOND INPUT TERMINAL OF A DIFFERENT RESPECTIVE FIRST MODULE OF SAID SUCCEEDING ROW, THE FIRST OUTPUT SIGNAL FROM EACH FIRST MODULE OF THE LAST ROW OF FIRST MODULES BEING APPLIED TO THE FOURTH INPUT TERMINAL OF A RESPECTIVE SECOND MODULE, THE THIRD OUTPUT SIGNAL FROM EACH SAID FIRST MODULE OF SAID LAST ROW OF FIRST MODULES BEING APPLIED TO THE FOURTH INPUT TERMINAL OF A DIFFERENT RESPECTIVE SECOND MODULE, THE OUTPUT SIGNAL PRECEDING SECOND MODULE BEING APPLIED TO THE THIRD INPUT TERMINAL OF A SUCCEEDING SECOND MODULE.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-12-12 | 1970-06-13 | 1970-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-12 | 1974-06-13 | 1974-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-12 | 1978-06-13 | 1978-12-13 | $7700.00 | Window Closed / Lapsed |