US3304548A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electronic decoder circuits
Assignee: Unisys Corp
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Filing: 1964-03-23
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Granted: 1967-02-14
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Expires: 1984-03-23
Abstract
No abstract record available.
Inventors
- 👤 James J Klinikowski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 07:18
CPC Classifications
H; H03; H03M; H03M7/00; H03M7/02; H03M7/12
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
140 words
A CIRCUIT FOR USE IN DECODING BIQUINARY CODE SIGNALS COMPRISING FIVE PAIRS OF DECIMAL-REPRESENTING TRANSISTORS, TWO AUXILIARY CONTROL TRANSISTORS, EACH COUPLED TO AND CONTROLLING THE OPERATION OF ONE TRANSISTOR OF EACH PAIR OF TRANSISTORS, A DIODE MATRIX, EIGHT INPUT LINES TO SAID DIODE MATRIX, SEVEN OUTPUT LINES FROM SAID DIODE MATRIX, SAID DIODE MATRIX INCLUDING TWO SINGLE DIODES IN TWO OF SAID OUTPUT LINES AND A TWO-DIODE AND GATE IN FIVE OF SAID OUTPUT LINES, SAID INPUT LINES BEING ADAPTED TO RECEIVE DIFFERENT COMBINATIONS OF SIGNAL BITS IN ONE CODE AND PROVIDING CURRENT FLOW ON ONE OUTPUT LINE FROM THE DIOD MATRIX TO ONE OF SAID PAIRS OF TRANSISTORS AND TO ONE OF SAID AUXILIARY TRANSISTORS WHEREBY ONE TRANSISTOR OF ONE OF SAID PAIRS OF TRANSISTORS IS TURNED ON AND PROVIDES AN OUTPUT SIGNAL HAVING A MEANING IN DECIMAL CODE.
References Cited (Backward Citations)
US3086198A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-02-13 | 1970-08-15 | 1971-02-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-13 | 1974-08-15 | 1975-02-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-13 | 1978-08-15 | 1979-02-14 | $7700.00 | Window Closed / Lapsed |