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US3226627A Expired / Lapsed US ⏱️ 0.0 years remaining

Two state devices controlled by an input and phase-shifted signal applied to a trigger means of said devices

Assignee: Epsilon Industrial Electronics
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Filing: 1961-04-24
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Granted: 1965-12-28
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Expires: 1981-04-24
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Abstract

No abstract record available.

Inventors

  • 👤 Fromkin Jack

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 20:13
CPC Classifications
G; G05; G05F; G05F1/00; G05F1/10; G05F1/12; G05F1/40; G05F1/44; G05F1/445

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 150 words
IN A DIFFERENTIAL REGULATOR COOPERABLE WITH A CYCLIC VOLTAGE SOURCE HAVING A VARIABLE PEAK AMPLITUDE: A TWO STATE DEVICE HAVING A HIGH IMPEDANCE OFF STATE AND A LOW IMPEDANCE ON STATE; TRIGGER MEANS FOR CONTROLLING THE PHASE ANGLE AT WHICH THE DEVICE CHANGES ITS STATE; SAID TRIGGER MEANS HAVING TWO VARIABLES THAT MUST REACH A CHARACTERISTIC PROPORTIONATE RELATIONSHIP TO EACH OTHER IN ORDER TO TRIGGER; FIRST MEANS DERIVING FROM SAID SOURCE A FIRT SIGNAL VOLTAGE PROPORTIONAL TO THE PEAK AMPLITUDE OF SAID SOURCE; SECOND MEANS DERIVING FROM SAID SOURCE A SECOND SIGNAL PORPORTIONAL TO THE INSTANTANEOUS AMPLITUDE OF SAID SOURCE BUT IN FIXED SPACED PHASE RELATIONSHIP TO SAID SOURCE; MEANS APPLYING SAID SIGNALS AS SAID VARIABLES TO SAID TRIGGER MEANS SO THAT THE OPERATING ANGLE OF SAID TRIGGER MEANS IS CORRELATED TO THE PEAK AMPLITUDE OF SAID SOURE TO MAINTAIN CONSTANT THE AVERAGE AMPLITUDE PASSED BY SAID TWO STATE DEVICE.
Claim 2
Dependent Claim 150 words
IN A DIFFERENTIAL REGULATOR COOPERABLE WITH A CYCLIC VOLTAGE SOURCE HAVING A VARIABLE PEAK AMPLITUDE: A TWO STATE DEVICE HAVING A HIGH IMPEDANCE OFF STATE AND A LOW IMPEDANCE ON STATE; TRIGGER MEANS FOR CONTROLLING THE PHASE ANGLE AT WHICH THE DEVICE CHANGES ITS STATE; SAID TRIGGER MEANS HAVING TWO VARIABLES THAT MUST REACH A CHARACTERISTIC PROPORTIONATE RELATIONSHIP TO EACH OTHER IN ORDER TO TRIGGER; FIRST MEANS DERIVING FROM SAID SOURCE A FIRT SIGNAL VOLTAGE PROPORTIONAL TO THE PEAK AMPLITUDE OF SAID SOURCE; SECOND MEANS DERIVING FROM SAID SOURCE A SECOND SIGNAL PORPORTIONAL TO THE INSTANTANEOUS AMPLITUDE OF SAID SOURCE BUT IN FIXED SPACED PHASE RELATIONSHIP TO SAID SOURCE; MEANS APPLYING SAID SIGNALS AS SAID VARIABLES TO SAID TRIGGER MEANS SO THAT THE OPERATING ANGLE OF SAID TRIGGER MEANS IS CORRELATED TO THE PEAK AMPLITUDE OF SAID SOURE TO MAINTAIN CONSTANT THE AVERAGE AMPLITUDE PASSED BY SAID TWO STATE DEVICE.

References Cited (Backward Citations)

US3020448A Cited
US3116446A Cited
US2998547A Cited
US3158799A Cited
US3010062A Cited
US3113198A Cited
US3103618A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1968-12-27 1969-06-28 1969-12-28 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1972-12-27 1973-06-28 1973-12-28 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1976-12-27 1977-06-28 1977-12-28 $7700.00 Window Closed / Lapsed

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