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US3292000A Expired / Lapsed US ⏱️ 0.0 years remaining

Ultra high speed parametric digital circuits

Assignee: General Electric Co
•
Filing: 1961-06-19
•
Granted: 1966-12-13
•
Expires: 1981-06-19
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Abstract

No abstract record available.

Inventors

  • 👤 Woo F Chow

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 15:40
CPC Classifications
H; H03; H03K; H03K19/00; H03K19/02; H03K19/16; H03K19/162

Claims Analysis

Total Claims: 1
Claim 1
Independent Claim 117 words
IN COMBINATION: MEANS FOR SUPPLYING A DIGITAL INPUT SIGNAL OF A PREDETERMINED FREQUENCY CODED IN PHASE; LOGIC MEANS RESPONSIVE THERETO AND ADAPTED TO PERFORM A LOGIC OPERATION THEREON PRODUCING A LOGIC SIGNAL IN PHASE CODING, A DEGENERATE CASE PARAMETRIC AMPLIFYING MEANS ADAPTED TO RECEIVE SAID LOGIC SIGNAL AS AN INPUT AT A COMMON TERMINAL AND PRODUCE AT SAID COMMON TERMINAL A SYNCHRONIZED OUTPUT SIGNAL AT THE SAME FREQUENCY AS SAID LOGIC SIGNAL; A TRANSISTOR CONNECTED BETWEEN SAID LOGIC MEANS AND SAID COMMON TERMINAL TO PROVIDE ONLY FORWARD SIGNAL PROPAGATION FROM SAID LOGIC MEANS TO SAID COMMON TERMINAL; AND ALIMITER CONNECTED TO SAID COMMON TERMINAL TO LIMIT SAID LOGIC SIGNAL INPUT AND THEREBY PROVIDE CONSTANT AMPLITUDE OUTPUT SIGNALS.

References Cited (Backward Citations)

US3084264A Cited
US3002108A Cited
US3171971A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1969-12-12 1970-06-13 1970-12-13 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1973-12-12 1974-06-13 1974-12-13 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1977-12-12 1978-06-13 1978-12-13 $7700.00 Window Closed / Lapsed

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