US3209160A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Information-directional logic element
Assignee: Westinghouse Electric Corp
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Filing: 1960-11-28
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Granted: 1965-09-28
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Expires: 1980-11-28
Abstract
No abstract record available.
Inventors
- 👤 Terry A Jeeves
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 09:50
CPC Classifications
H; H03; H03K; H03K19/00; H03K19/02; H03K19/08; H03K19/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
120 words
A UNDIRECTIONAL DEVICE COMPRISING, IN COMBINATION; A FIRST TUNNEL DIODE HAVING ANN INPUT THRESHOLD LEVEL WHHICH IS EXCEEDED WHEN A ONE UNIT INPUT SIGNAL IS APPLIED THERETO AND A SECOND TUNNEL DIODE HAVING A THRESHOLD LEVEL WHICH IS EXCEEDED WHEN A TWO UNIT INPUT SIGNAL IS APPLIED THERETO; INPUT MEANS OPERABLY CONNECTED TO FIRST TUNNEL DIODE; OUTPUT MEANS OPERABLY CONNECTED TO SAID SECOND TUNNEL DIODE; AND IMPEDANCE MEANS OPERABLY CONNECTING SAID FIRST TUNNEL DIODE AND SAID SECOND TUNEL DIODE; SAID IMPEDANCE MEANS HAVING SUFFICIENT IMPEDANCE TO BLOCK A SPURIOUS SIGNAL AT SAID OUTPUT MEANS TO AVOID BREAKOVER OF SAID FIRST TUNNEL DIODE BUT INSUFFICIENT IMPEDANCE TO BLOCK BREAKOVER OF SAID SECOND TUNNEL DIODE UPON BREAKOVER OF SAID FIRST TUNNEL DIODE.
Claim 2
Dependent Claim
120 words
A UNDIRECTIONAL DEVICE COMPRISING, IN COMBINATION; A FIRST TUNNEL DIODE HAVING ANN INPUT THRESHOLD LEVEL WHHICH IS EXCEEDED WHEN A ONE UNIT INPUT SIGNAL IS APPLIED THERETO AND A SECOND TUNNEL DIODE HAVING A THRESHOLD LEVEL WHICH IS EXCEEDED WHEN A TWO UNIT INPUT SIGNAL IS APPLIED THERETO; INPUT MEANS OPERABLY CONNECTED TO FIRST TUNNEL DIODE; OUTPUT MEANS OPERABLY CONNECTED TO SAID SECOND TUNNEL DIODE; AND IMPEDANCE MEANS OPERABLY CONNECTING SAID FIRST TUNNEL DIODE AND SAID SECOND TUNEL DIODE; SAID IMPEDANCE MEANS HAVING SUFFICIENT IMPEDANCE TO BLOCK A SPURIOUS SIGNAL AT SAID OUTPUT MEANS TO AVOID BREAKOVER OF SAID FIRST TUNNEL DIODE BUT INSUFFICIENT IMPEDANCE TO BLOCK BREAKOVER OF SAID SECOND TUNNEL DIODE UPON BREAKOVER OF SAID FIRST TUNNEL DIODE.
References Cited (Backward Citations)
US3078376A
Cited
US3075088A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-09-27 | 1969-03-29 | 1969-09-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-27 | 1973-03-29 | 1973-09-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-27 | 1977-03-29 | 1977-09-28 | $7700.00 | Window Closed / Lapsed |