US3089038A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Impedance means including tunneling device for performing logic operations
Assignee: International Business Machines Corp
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Filing: 1959-10-14
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Granted: 1963-05-07
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Expires: 1979-10-14
Abstract
No abstract record available.
Inventors
- 👤 Richard F Rutz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 10:19
CPC Classifications
H; H03; H03K; H03K19/00; H03K19/02; H03K19/16; H03K19/162; H03B; H03B7/00; H03B7/02; H03B7/06; H03B7/08; H03B7/12; H03B7/14; H03K19/08; H03K19/10; H03K3/00; H03K3/02; H03K3/313; H03K3/315; H10; H10D; H10D99/00; H10P; H10P95/00; Y; Y10; Y10S; Y10S257/00; Y10S257/926
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
125 words
LOGIC CIRCUIT MEANS COMPRISING AN IMPEDANCE UNIT HAVING A NATURAL FREQUENCY OF OSCILLATION, SAID UNIT INCLUDING A QUANTUM MECHANICAL TUNNELING DEVICE, AND MEANS CONNECTING THE TUNNELING DEVICE IN A CIRCUIT, SAID TUNNELING DEVICE HAVING A POTENTIAL-CURRENT CHARACTERISTIC INCLUDING AN INTERMEDIATE POTENTIAL NEGATIVE RESISTANCE REGION BETWEEN LOWER AND HIGHER POTENTIAL POSITIVE RESISTANCE REGIONS; A PLURALITY OF INPUT SOURCES OF ELECTRICAL ENERGY COUPLED TO THE CIRCUIT, AT LEAST SOME OF THE SOURCES BEING SHIFTABLE IN POTENTIAL, SAID SOURCES COOPERATING IN AT LEAST ONE PREDETERMINED COMBINATION OF THE POTENTIALS POTENTIAL NEGATIVE RESISTANCE REGION OF ITS INTERMEDIATE POTENTIAL NEGATIVE RESISTANCE REGION OF ITS CHARACTERISTIC AND THEREBY TO INITIATE OSCILLATION OF SAID CIRCUIT, IN AT LEAST A SECOND PREDETERMINED POTENTIAL COMBINATION TO OPERATE THE TUNNELING DEVICE IN THE LOWER PO-
Claim 2
Dependent Claim
125 words
LOGIC CIRCUIT MEANS COMPRISING AN IMPEDANCE UNIT HAVING A NATURAL FREQUENCY OF OSCILLATION, SAID UNIT INCLUDING A QUANTUM MECHANICAL TUNNELING DEVICE, AND MEANS CONNECTING THE TUNNELING DEVICE IN A CIRCUIT, SAID TUNNELING DEVICE HAVING A POTENTIAL-CURRENT CHARACTERISTIC INCLUDING AN INTERMEDIATE POTENTIAL NEGATIVE RESISTANCE REGION BETWEEN LOWER AND HIGHER POTENTIAL POSITIVE RESISTANCE REGIONS; A PLURALITY OF INPUT SOURCES OF ELECTRICAL ENERGY COUPLED TO THE CIRCUIT, AT LEAST SOME OF THE SOURCES BEING SHIFTABLE IN POTENTIAL, SAID SOURCES COOPERATING IN AT LEAST ONE PREDETERMINED COMBINATION OF THE POTENTIALS POTENTIAL NEGATIVE RESISTANCE REGION OF ITS INTERMEDIATE POTENTIAL NEGATIVE RESISTANCE REGION OF ITS CHARACTERISTIC AND THEREBY TO INITIATE OSCILLATION OF SAID CIRCUIT, IN AT LEAST A SECOND PREDETERMINED POTENTIAL COMBINATION TO OPERATE THE TUNNELING DEVICE IN THE LOWER PO-
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) | 1966-05-06 | 1966-11-05 | 1967-05-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-06 | 1970-11-05 | 1971-05-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-06 | 1974-11-05 | 1975-05-07 | $7700.00 | Window Closed / Lapsed |