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US3175184A Expired / Lapsed US ⏱️ 0.0 years remaining

Static logic power control

Assignee: Individual
•
Filing: 1961-08-28
•
Granted: 1965-03-23
•
Expires: 1981-08-28
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Abstract

No abstract record available.

Inventors

  • 👤 Balakrishna R Shelar

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 05:05
CPC Classifications
G; G08; G08G; G08G1/00; G08G1/07; G08G1/085

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 173 words
A STATIC COMMUTATOR FOR SEQUENTIALLY ENERGIZING A LOAD CIRCUIT COMPRISING: A FIRST SATURABLE CORE TRANSFORMER HAVING AN INPUT CONNECTION AND AN OUTPUT CONNECTION, A SOURCE OF PULSES HAVING AN OUTPUT COUPLED TO THE INPUT OF SAID SATURABLE CORE TRANSFORMER TO UNSATURATE SAID CORE FOR THE DURATION OF SAID PULSES, AN ALTERNATING CURRENT SOURCE, RECTIFIER MEANS COUPLED TO SAID ALTERNATING CURRENT SOURCE AND TO THE OUTPUT CIRCUIT OF SAID SATURABLE CORE TRANSFORMER, SAID RECTIFIER MEANS SUPPLYING A DIRECT CURRENT OUTPUT DURING THE SATURATED PERIODS OF SAID TRANSFORMER, A SECOND SATURATBLE CORE TRANSFORMER HAVING AN INPUT CONNECTION AND AN OUTPUT CONNECTION, SAID INPUT CONNECTION COUPLED TO SAID DIRECT CURRENT OUTPUT TO UNSATURATE SAID SECOND CORE FOR THE DURATION OF SAID CURRENT, ALTERNATING CURRENT GATING MEANS CONNECTED TO SAID SECOND TRANSFORMER OUTPUT CONNECTIONS, SAID GATING MEANS BEING OPERATED TO A CONDUCTIVE STATE BY THE SATURATION OF SAID SECOND TRANSFORMER, AND LOAD MEANS CONNECTED TO SAID GATING MEANS AND SAID ALTERNATING CURRENT SOURCE TO BE CONTROLLED IN RESPONSE TO THE CHANGES IN THE STATES OF CONDUCTION THEREOF.
Claim 2
Dependent Claim 173 words
A STATIC COMMUTATOR FOR SEQUENTIALLY ENERGIZING A LOAD CIRCUIT COMPRISING: A FIRST SATURABLE CORE TRANSFORMER HAVING AN INPUT CONNECTION AND AN OUTPUT CONNECTION, A SOURCE OF PULSES HAVING AN OUTPUT COUPLED TO THE INPUT OF SAID SATURABLE CORE TRANSFORMER TO UNSATURATE SAID CORE FOR THE DURATION OF SAID PULSES, AN ALTERNATING CURRENT SOURCE, RECTIFIER MEANS COUPLED TO SAID ALTERNATING CURRENT SOURCE AND TO THE OUTPUT CIRCUIT OF SAID SATURABLE CORE TRANSFORMER, SAID RECTIFIER MEANS SUPPLYING A DIRECT CURRENT OUTPUT DURING THE SATURATED PERIODS OF SAID TRANSFORMER, A SECOND SATURATBLE CORE TRANSFORMER HAVING AN INPUT CONNECTION AND AN OUTPUT CONNECTION, SAID INPUT CONNECTION COUPLED TO SAID DIRECT CURRENT OUTPUT TO UNSATURATE SAID SECOND CORE FOR THE DURATION OF SAID CURRENT, ALTERNATING CURRENT GATING MEANS CONNECTED TO SAID SECOND TRANSFORMER OUTPUT CONNECTIONS, SAID GATING MEANS BEING OPERATED TO A CONDUCTIVE STATE BY THE SATURATION OF SAID SECOND TRANSFORMER, AND LOAD MEANS CONNECTED TO SAID GATING MEANS AND SAID ALTERNATING CURRENT SOURCE TO BE CONTROLLED IN RESPONSE TO THE CHANGES IN THE STATES OF CONDUCTION THEREOF.

References Cited (Backward Citations)

US2171784A Cited
US2293790A Cited
US2932003A Cited
US2951242A Cited
US2920240A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1968-03-22 1968-09-21 1969-03-23 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1972-03-22 1972-09-21 1973-03-23 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1976-03-22 1976-09-21 1977-03-23 $7700.00 Window Closed / Lapsed

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