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US3562743A Expired / Lapsed US ⏱️ 0.0 years remaining

Non-linear decoder and a non-linear encoder employing the same

Assignee: International Standard Electric Corp
•
Filing: 1968-01-16
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Granted: 1971-02-09
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Expires: 1988-01-16
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Abstract

Abstract A SHIFT REGISTER STORES THE N DIGITS OF A BINARY NUMBER. A FIRST DECODER DECODES THE M MOST SIGNIFICANT DIGITS TO PRODUCE 2M FIRST SIGNALS AND A SECOND DECODER DECODES THE (N-M) LEAST SIGNIFICANT DIGITS TO PRODUCE 2(N-M) SECOND SIGNALS. EACH OF 2(N-M) CURRENT GENERATORS IS ACTIVATED BY A DIFFERENT ONE OF THE SECOND SIGNALS AND EACH 2M GATE MEANS IS CONTROLLED BY A DIFFERENT ONE OF THE FIRST SIGNALS TO COUPLE THE ACTIVATED CURRENT GENERATOR TO ONE OF A PAIR OF LATTER ATTENUATORS. AN ADDITIONAL CURRENT GENERATOR IS COUPLED UNDER CONTROL OF THE MOST SIGNIFICANT DIGIT TO ONE OF THE PAIR OF LATTER ATTENUATORS. THE ANALOG OUTPUT IS PRESENT BETWEEN THE OUTPUTS OF THE TWO LATTER ATTEUATORS. A FEEDBACK COMPARISION ENCODER EMPLOYS THE ABOVE DECODER TO PROVIDE A NON-LINEAR ENCODER.

Inventors

  • 👤 Claude Paul Henri Lerouge
  • 👤 Didier Charles Strube

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-01 04:01
CPC Classifications
H; H04; H04B; H04B14/00; H04B14/02; H04B14/04; H04B14/046; H04B14/048; H03; H03M; H03M1/00; H03M1/12; H03M1/22

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1974-02-08 1974-08-10 1975-02-09 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1978-02-08 1978-08-10 1979-02-09 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1982-02-08 1982-08-10 1983-02-09 $7700.00 Window Closed / Lapsed

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