US3412261A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Analog voter
Assignee: General Electric Co
•
Filing: 1965-10-18
•
Granted: 1968-11-19
•
Expires: 1985-10-18
Abstract
No abstract record available.
Inventors
- 👤 Charles W R Hickin
- 👤 Richard P Quinlivan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 12:26
CPC Classifications
G; G01; G01R; G01R19/00; G01R19/0038
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
164 words
A MEDIAN SELECTOR, FOR ACCEPTING THREE REDUNDANT ELECTRICAL ANALOG D-C SIGNALS AND MAKING AVAILABLE AN OUTPUT SIGNAL HAVING THE MEDIAN VALUE OF THE THREE AT ANY INSTANT SO THAT BEFORE OR AFTER A SINGLE FAILURE IN THE SOURCES OF THE REDUNDANT SIGNALS ONLY A CORRECT SIGNAL IS AVAILABLE FOR THE SYSTEM, COMPRISING: (A) SIX PAIRS OF SERIES CONNECTED SWITCHES, EACH PAIR BEING ADAPTED TO SELECT AN INPUT SIGNAL TO AN OUTPUT TERMINAL; (B) A SET OF COMPARATORS FOR COMPARING REDUNDANT INPUT SIGNALS IN PAIRS AND GENERATING A SET OF SIGNALS REPRESENTING WHICH INPUT SIGNALS ARE GREATER AND THEIR COMPLEMENTS; (C) MEANS TO APPLY SAID SET OF SIGNALS TO GATES ON SAID SWITCHES SO AS TO PROVIDE MEDIAN SELECTION; (D) SAID MEDIAN SELECTOR INCLUDING A SET OF THREE PARALLEL, NORMALLY OPEN, SEMICONDUCTOR SWITCHES FORMED ON A GROUNDED BODY AND ARRANGED IN SERIES WITH THE RESPECTIVE INPUT SIGNALS AND ADAPTED TO HAVE ONE SWITCH CLOSED IN ACCORDANCE WITH WHICH OF SAID PAIRS OF SWITCHES IS CLOSED.
Claim 2
Dependent Claim
164 words
A MEDIAN SELECTOR, FOR ACCEPTING THREE REDUNDANT ELECTRICAL ANALOG D-C SIGNALS AND MAKING AVAILABLE AN OUTPUT SIGNAL HAVING THE MEDIAN VALUE OF THE THREE AT ANY INSTANT SO THAT BEFORE OR AFTER A SINGLE FAILURE IN THE SOURCES OF THE REDUNDANT SIGNALS ONLY A CORRECT SIGNAL IS AVAILABLE FOR THE SYSTEM, COMPRISING: (A) SIX PAIRS OF SERIES CONNECTED SWITCHES, EACH PAIR BEING ADAPTED TO SELECT AN INPUT SIGNAL TO AN OUTPUT TERMINAL; (B) A SET OF COMPARATORS FOR COMPARING REDUNDANT INPUT SIGNALS IN PAIRS AND GENERATING A SET OF SIGNALS REPRESENTING WHICH INPUT SIGNALS ARE GREATER AND THEIR COMPLEMENTS; (C) MEANS TO APPLY SAID SET OF SIGNALS TO GATES ON SAID SWITCHES SO AS TO PROVIDE MEDIAN SELECTION; (D) SAID MEDIAN SELECTOR INCLUDING A SET OF THREE PARALLEL, NORMALLY OPEN, SEMICONDUCTOR SWITCHES FORMED ON A GROUNDED BODY AND ARRANGED IN SERIES WITH THE RESPECTIVE INPUT SIGNALS AND ADAPTED TO HAVE ONE SWITCH CLOSED IN ACCORDANCE WITH WHICH OF SAID PAIRS OF SWITCHES IS CLOSED.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-11-19 | 1972-05-20 | 1972-11-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-19 | 1976-05-20 | 1976-11-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-19 | 1980-05-20 | 1980-11-19 | $7700.00 | Window Closed / Lapsed |