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US3234450A Expired / Lapsed US ⏱️ 0.0 years remaining

Lightweight d.c. power supply

Assignee: Jennings Radio Manufacturing Corp
•
Filing: 1961-02-06
•
Granted: 1966-02-08
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Expires: 1981-02-06
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Abstract

No abstract record available.

Inventors

  • 👤 Jennings Jo Emmett

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-28 19:01
CPC Classifications
H; H02; H02M; H02M3/00; H02M3/22; H02M3/24; H02M3/28; H02M3/325; H02M3/335; H02M3/338; H02M3/3382; H02M3/3384

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 157 words
A POWER SUPPLY FOR CONVERTING RELATIVELY LOW VOLTAGE SOURCE A.C. INTO HIGH VOLTAGE, HIGH POWER D.C. COMPRISING: FIRST SEMICONDUCTOR RECTIFIER MEANS HAVING INPUT TERMINALS AND OUTPUT TERMINALS; SURGE SUPPRESSION MEANS CONNECTING SAID SOURCE A.C. DIRECTLY TO SAID INPUT TERMINALS; FILTER MEANS COMPRISING A PLURALITY OF CAPACITOR ELEMENTS SERIALLY CONNECTED ACROSS SAID OUTPUT TERMINALS TO PRODUCE A RELATIVELY LOW D.C. VOLTAGE; A PLURALITY OF SEMICONDUCTOR OSCILLATOR MEANS POWERED BY SAID LOW D.C. VOLTAGE CONNECTED TO SAID FILTER MEANS AND OSCILLATING AT A FREQUENCY SUBSTANTIALLY HIGHER THAN THAT OF SAID SOURCE A.C., EACH OF SAID OSCILLATORS BEING CONNECTED ACROSS A CORRESPONDING ONE OF SAID CAPACITOR ELEMENTS; A TRANSFORMER HAVING PRIMARY AND SECONDARY WINDING MEANS, THE OUTPUT OF SAID OSCILLATOR MEANS BEING DEVELOPED ACROSS SAID PRIMARY WINDING MEANS AND INDUCING IN SAID SECONDARY WINDING MEANS A HIGH-VOLTAGE A.C.; AND SECOND SEMICONDUCTOR RECTIFIER MEANS HAVING AN INPUT CONNECTED TO SAID SECONDARY WINDING AND HAVING A HIGH VOLTAGE, HIGH POWER D.C. OUTPUT.
Claim 2
Dependent Claim 157 words
A POWER SUPPLY FOR CONVERTING RELATIVELY LOW VOLTAGE SOURCE A.C. INTO HIGH VOLTAGE, HIGH POWER D.C. COMPRISING: FIRST SEMICONDUCTOR RECTIFIER MEANS HAVING INPUT TERMINALS AND OUTPUT TERMINALS; SURGE SUPPRESSION MEANS CONNECTING SAID SOURCE A.C. DIRECTLY TO SAID INPUT TERMINALS; FILTER MEANS COMPRISING A PLURALITY OF CAPACITOR ELEMENTS SERIALLY CONNECTED ACROSS SAID OUTPUT TERMINALS TO PRODUCE A RELATIVELY LOW D.C. VOLTAGE; A PLURALITY OF SEMICONDUCTOR OSCILLATOR MEANS POWERED BY SAID LOW D.C. VOLTAGE CONNECTED TO SAID FILTER MEANS AND OSCILLATING AT A FREQUENCY SUBSTANTIALLY HIGHER THAN THAT OF SAID SOURCE A.C., EACH OF SAID OSCILLATORS BEING CONNECTED ACROSS A CORRESPONDING ONE OF SAID CAPACITOR ELEMENTS; A TRANSFORMER HAVING PRIMARY AND SECONDARY WINDING MEANS, THE OUTPUT OF SAID OSCILLATOR MEANS BEING DEVELOPED ACROSS SAID PRIMARY WINDING MEANS AND INDUCING IN SAID SECONDARY WINDING MEANS A HIGH-VOLTAGE A.C.; AND SECOND SEMICONDUCTOR RECTIFIER MEANS HAVING AN INPUT CONNECTED TO SAID SECONDARY WINDING AND HAVING A HIGH VOLTAGE, HIGH POWER D.C. OUTPUT.

References Cited (Backward Citations)

US2611118A Cited
US2767359A Cited
US2720622A Cited
US2785370A Cited
US2837651A Cited
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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) 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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