US3118973A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electronically controlled crosspoint switches
Assignee: TDK Micronas GmbH
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Filing: 1959-07-13
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Granted: 1964-01-21
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Expires: 1979-07-13
Abstract
No abstract record available.
Inventors
- 👤 Frank S Kasper
- 👤 Lamin Leonard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 00:13
CPC Classifications
H; H04; H04Q; H04Q3/00; H04Q3/42; H04Q3/52; H04Q3/521; H03; H03K; H03K17/00; H03K17/51; H03K17/56; H03K17/60; H03K17/62; H03K17/6221
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
137 words
A MATRIX COMPRISING FIRST AND SECOND MULTIPLES CONNECTED TO PROVIDE INTERSECTING CROSSPOINTS, EACH OF SAID MULTIPLES COMPRISING SIGNAL CARRYING LINES AND CONTROL CONDUCTORS, EACH OF SAID CROSSPOINTS COMPRISING MEMORY MEANS COUPLED TO SAID CONTROL CONDUCTORS AND AT LEAST ONE BILATERAL TRANSISTOR FOR SELECTIVELY INTERCOUPLING SAID SIGNAL CARRYING LINES, ALLOTTER MEANS FOR SELECTIVELY MARKING IDLE CONTROL CONDUCTORS ASSOCIATED WITH SAID FIRST MULTIPLES, MEANS FOR SELECTIVELY MARKING SAID CONTROL CONDUCTORS ASSOCIATED WITH SAID SECOND MULTIPLES IN ACCORDANCE WITH THE IDENTITY OF THOSE OF SAID SIGNAL CARRYING LINES WHICH ARE TO BE SWITCHED, MEANS JOINTLY RESPONSIVE TO SAID MARKED CONTROL CONDUCTORS FOR CAUSING ONE OF SAID TRANSISTORS AT A PARTICULAR CROSSPOINT TO ELECTRICALLY INTERCOUPLE SAID SIGNAL CARRYING LINES WHICH INTERSECT AT SAID PARTICULAR CROSSPOINT, AND MEANS FOR CAUSING SAID MEMORY MEANS AT SAID PARTICULAR CROSSPOINT TO HOLD SAID ELECTRICAL INTERCOUPLING.
Claim 2
Dependent Claim
137 words
A MATRIX COMPRISING FIRST AND SECOND MULTIPLES CONNECTED TO PROVIDE INTERSECTING CROSSPOINTS, EACH OF SAID MULTIPLES COMPRISING SIGNAL CARRYING LINES AND CONTROL CONDUCTORS, EACH OF SAID CROSSPOINTS COMPRISING MEMORY MEANS COUPLED TO SAID CONTROL CONDUCTORS AND AT LEAST ONE BILATERAL TRANSISTOR FOR SELECTIVELY INTERCOUPLING SAID SIGNAL CARRYING LINES, ALLOTTER MEANS FOR SELECTIVELY MARKING IDLE CONTROL CONDUCTORS ASSOCIATED WITH SAID FIRST MULTIPLES, MEANS FOR SELECTIVELY MARKING SAID CONTROL CONDUCTORS ASSOCIATED WITH SAID SECOND MULTIPLES IN ACCORDANCE WITH THE IDENTITY OF THOSE OF SAID SIGNAL CARRYING LINES WHICH ARE TO BE SWITCHED, MEANS JOINTLY RESPONSIVE TO SAID MARKED CONTROL CONDUCTORS FOR CAUSING ONE OF SAID TRANSISTORS AT A PARTICULAR CROSSPOINT TO ELECTRICALLY INTERCOUPLE SAID SIGNAL CARRYING LINES WHICH INTERSECT AT SAID PARTICULAR CROSSPOINT, AND MEANS FOR CAUSING SAID MEMORY MEANS AT SAID PARTICULAR CROSSPOINT TO HOLD SAID ELECTRICAL INTERCOUPLING.
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) | 1967-01-20 | 1967-07-22 | 1968-01-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-01-20 | 1971-07-22 | 1972-01-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-01-20 | 1975-07-22 | 1976-01-21 | $7700.00 | Window Closed / Lapsed |