Patent US3223855A successfully refreshed from Google Patents.
US3223855A
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Switching circuit
Assignee: Pacific Data Systems Inc
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Filing: 1963-10-29
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Granted: 1965-12-14
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Expires: 1983-10-29
Abstract
No abstract record available.
Inventors
- 👤 Marvin R Emerson
- 👤 Rodger R Lowe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 04:15
CPC Classifications
H; H03; H03K; H03K19/00; H03K19/02; H03K19/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
155 words
IN A COMPUTER, A LOGIC SYSTEM FOR PREVENTING CURRENT FROM FLOWING THROUGH ITS LOGIC INPUTS WHEN THE SECTION OF THE COMPUTER CONTAINING SAID LOGIC SYSTEM IN INACTIVE, COMPRISING AT LEAST ONE DIODE LOGIC CIRCUIT INCLUDING A PLURALITY OF LOGIC GATGES EACH HAVING AT LEAST ONE LOGIC INPUT, SAID LOGIC GATES BEING CONNECTED TO FORM AT LEAST ONE LOGIC CHAIN IN WHICH CURRENT FLOWS THROUGH THE CHAIN IN ONE DIRECTION BY WAY OF A CURRENT SUPPLY JUNCTION, OUTPUT MEANS CONNECTED TO SAID CHAIN AT A POINT REMOTE FROM SAID JUNCTION, AND A SINGLE SUPPLY MEANS INCLUDING SWITCHING MEANS FOR SAID LOGIC SYSTEM CONNECTED TO SAID JUUNCTION AND RESPONSIVE TO CONTROL SIGNALS CORRESPONDING TO THE ACTIVE STATE AND INACTIVE STATE OF SAID COMPUTER SECTION FOR APPLICATION OF A SPPLY POTENTIAL TO SAID JUNCTION ONLY DURING THE TIME OF SAID ACTIVE STATE WHEREBY CURRENT IS PREVENTED FROM FLOWING SAID LOGIC INPUTS DURING THE TIME OF SAID INACTIVE STATE.
Claim 2
Dependent Claim
155 words
IN A COMPUTER, A LOGIC SYSTEM FOR PREVENTING CURRENT FROM FLOWING THROUGH ITS LOGIC INPUTS WHEN THE SECTION OF THE COMPUTER CONTAINING SAID LOGIC SYSTEM IN INACTIVE, COMPRISING AT LEAST ONE DIODE LOGIC CIRCUIT INCLUDING A PLURALITY OF LOGIC GATGES EACH HAVING AT LEAST ONE LOGIC INPUT, SAID LOGIC GATES BEING CONNECTED TO FORM AT LEAST ONE LOGIC CHAIN IN WHICH CURRENT FLOWS THROUGH THE CHAIN IN ONE DIRECTION BY WAY OF A CURRENT SUPPLY JUNCTION, OUTPUT MEANS CONNECTED TO SAID CHAIN AT A POINT REMOTE FROM SAID JUNCTION, AND A SINGLE SUPPLY MEANS INCLUDING SWITCHING MEANS FOR SAID LOGIC SYSTEM CONNECTED TO SAID JUUNCTION AND RESPONSIVE TO CONTROL SIGNALS CORRESPONDING TO THE ACTIVE STATE AND INACTIVE STATE OF SAID COMPUTER SECTION FOR APPLICATION OF A SPPLY POTENTIAL TO SAID JUNCTION ONLY DURING THE TIME OF SAID ACTIVE STATE WHEREBY CURRENT IS PREVENTED FROM FLOWING SAID LOGIC INPUTS DURING THE TIME OF SAID INACTIVE STATE.
References Cited (Backward Citations)
US3008056A
Cited
US3031585A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-12-13 | 1969-06-14 | 1969-12-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-13 | 1973-06-14 | 1973-12-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-13 | 1977-06-14 | 1977-12-14 | $7700.00 | Window Closed / Lapsed |