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US3234545A Expired / Lapsed US ⏱️ 0.0 years remaining

Information processing circuit

Assignee: AT&T Inc
•
Filing: 1962-02-08
•
Granted: 1966-02-08
•
Expires: 1982-02-08
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Abstract

No abstract record available.

Inventors

  • 👤 Dennis B James
  • 👤 Reginald A Kaenel

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 11:09
CPC Classifications
H; H03; H03M; H03M1/00; H03M1/12; H03M1/124

Claims Analysis

Total Claims: 3
Claim 1
Independent Claim 164 words
IN COMBINATION IN A SAMPLE AND HOLD CIRCUIT, SUBSTANTIALLY NONREFLECTING DELAY LINE MEANS INCLUDING N TAPS AND A TERMINATING IMPEDANCE AT ONE END THEREOF TO MIMIMIZE SIGNAL REFLECTIONS, MEANS FOR APPLYING A CONTINUOUSLY VARIABLE ANALOG INPUT SIGNAL TO THE OTHER END OF SAID DELAY LINE MEANS, SAID N TAPS BEING SO POSITIONED ALONG SAID DELAY LINE MEANS THAT THE TIME REQUIRED FOR THE INPUT SIGNAL TO PROPAGATE BETWEEN ADJACENT TAPS IS T SECONDS, N GATE MEANS RESPECTIVELY CONNECTED TO SAID TAPS, EACH OF SAID GATE MEANS INCLUDING AN OUTPUT TERMINAL, AND MEANS DISTINCT FROM SAID DELAY LINE MEANS FOR ENABLING SAID N GATE MEANS IN SEQUENCE BY RESPECTIVELY SUPPLYING THERETO N ENABLING SIGNALS WHOSE PERIOD IS T SECONDS, WHEREBY A PARTICULAR SELECTED PORTION OF THE APPLIED ANALOG INPUT SIGNAL APPEARS IN SEQUENCE AT THE SUCCESSIVE TAPS OF SAID DELAY LINE MEANS AND ALSO APPEARS AT THE RESPECTIVE OUTPUT TERMINALS OF SAID N GAGE MEANS IN TIME COINCIDENCE WITH THE OCCURRENCE OF SAID ENABLING SIGNALS.
Claim 2
Dependent Claim 164 words
IN COMBINATION IN A SAMPLE AND HOLD CIRCUIT, SUBSTANTIALLY NONREFLECTING DELAY LINE MEANS INCLUDING N TAPS AND A TERMINATING IMPEDANCE AT ONE END THEREOF TO MIMIMIZE SIGNAL REFLECTIONS, MEANS FOR APPLYING A CONTINUOUSLY VARIABLE ANALOG INPUT SIGNAL TO THE OTHER END OF SAID DELAY LINE MEANS, SAID N TAPS BEING SO POSITIONED ALONG SAID DELAY LINE MEANS THAT THE TIME REQUIRED FOR THE INPUT SIGNAL TO PROPAGATE BETWEEN ADJACENT TAPS IS T SECONDS, N GATE MEANS RESPECTIVELY CONNECTED TO SAID TAPS, EACH OF SAID GATE MEANS INCLUDING AN OUTPUT TERMINAL, AND MEANS DISTINCT FROM SAID DELAY LINE MEANS FOR ENABLING SAID N GATE MEANS IN SEQUENCE BY RESPECTIVELY SUPPLYING THERETO N ENABLING SIGNALS WHOSE PERIOD IS T SECONDS, WHEREBY A PARTICULAR SELECTED PORTION OF THE APPLIED ANALOG INPUT SIGNAL APPEARS IN SEQUENCE AT THE SUCCESSIVE TAPS OF SAID DELAY LINE MEANS AND ALSO APPEARS AT THE RESPECTIVE OUTPUT TERMINALS OF SAID N GAGE MEANS IN TIME COINCIDENCE WITH THE OCCURRENCE OF SAID ENABLING SIGNALS.
Claim 3
Dependent Claim 76 words
A COMBINATION AS IN CLAIM 1 FURTHER INCLUDING AN N-STAGE SEQUENTIAL ANALOG-TO-DIGITAL CONVERTER, EACH STAGE THEREOF BEING ASSOCIATED WITH A DIFFERENT ONE OF THE TAPS OF SAID DELAY LINE MEANS, MEANS CONNECTED TO THE OUTPUT TERMINALS OF SAID GATE MEANS FOR SUPPLYING AN INPUT SIGNAL TO SAID CONVERTER, AND MEANS RESPONSIVE TO SAID ENABLING SIGNALS FOR SEQUENTIALLY ENERGIZING SAID STAGES IN RESPECTIVE UNISON WITH THE ENABLING OF THE GATE MEANS CONNECTED TO THE RESPECTIVE ASSOCIATED TAPS.

References Cited (Backward Citations)

US2570221A Cited
US2922151A Cited
US2888647A Cited
US3105197A Cited
US3087150A Cited
US3035258A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1969-02-07 1969-08-09 1970-02-08 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1973-02-07 1973-08-09 1974-02-08 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1977-02-07 1977-08-09 1978-02-08 $7700.00 Window Closed / Lapsed

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