Patent US3154744A successfully refreshed from Google Patents.
US3154744A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Double trigger composed of binary logic elements
Assignee: International Business Machines Corp
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Filing: 1959-12-09
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Granted: 1964-10-27
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Expires: 1979-12-09
Abstract
No abstract record available.
Inventors
- 👤 Gerald A Maley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:50
CPC Classifications
H; H03; H03K; H03K21/00; H03K3/00; H03K3/02; H03K3/027; H03K3/037
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
96 words
AN ELECTRONIC COUNTER FOR PRODUCING BINARY CODED COUNT REPRESENTING SIGNALS CORRESPONDING TO THE NUMBER OF PREVIOUSLY APPLIED COUNT PULSES, SAID COUNTER COMPRISING, TWO INPUT LINES DESIGNATED X AND $, SIGNALS ON SAID LINES PROVIDING COMPLEMENTARY INPUTS, AN INTERMEDIATE LINE C, TWO OUTPUT LINES DESIGNATED AS A AND B, SIGNALS ON LINE A REPRESENTING THE FIRST BINARY DIGIT AND SIGNALS ON LINE B REPRESENTING THE SECOND BINARY DIGIT, AND A PLURALITY OF AND AND OR CIRCUITS, SAID INPUT LINES, SAID AND AND OR CIRCUITS AND SAID OUTPUT LINES BEING INTERCONNECTED IN ACCORDANCE WITH THE FOLLOWING BOOLEAN EQUATIONS:
Claim 2
Dependent Claim
96 words
AN ELECTRONIC COUNTER FOR PRODUCING BINARY CODED COUNT REPRESENTING SIGNALS CORRESPONDING TO THE NUMBER OF PREVIOUSLY APPLIED COUNT PULSES, SAID COUNTER COMPRISING, TWO INPUT LINES DESIGNATED X AND $, SIGNALS ON SAID LINES PROVIDING COMPLEMENTARY INPUTS, AN INTERMEDIATE LINE C, TWO OUTPUT LINES DESIGNATED AS A AND B, SIGNALS ON LINE A REPRESENTING THE FIRST BINARY DIGIT AND SIGNALS ON LINE B REPRESENTING THE SECOND BINARY DIGIT, AND A PLURALITY OF AND AND OR CIRCUITS, SAID INPUT LINES, SAID AND AND OR CIRCUITS AND SAID OUTPUT LINES BEING INTERCONNECTED IN ACCORDANCE WITH THE FOLLOWING BOOLEAN EQUATIONS:
References Cited (Backward Citations)
US2875432A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-10-27 | 1968-04-27 | 1968-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-10-27 | 1972-04-27 | 1972-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-10-27 | 1976-04-27 | 1976-10-27 | $7700.00 | Window Closed / Lapsed |