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US3072837A Expired / Lapsed US ⏱️ 0.0 years remaining

Magnetic multivibrator amplifier power supply

Assignee: International Business Machines Corp
•
Filing: 1958-05-13
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Granted: 1963-01-08
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Expires: 1978-05-13
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Abstract

No abstract record available.

Inventors

  • 👤 Hakimoglu Ayhan

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 21:42
CPC Classifications
H; H03; H03K; H03K3/00; H03K3/02; H03K3/45; G; G05; G05F; G05F1/00; G05F1/10; G05F1/12; G05F1/40; G05F1/44; H02; H02M; H02M3/00; H02M3/22; H02M3/24; H02M3/28; H02M3/325; H02M3/335; H02M3/338; H02M3/3385; H03K3/26; H03K3/30

Claims Analysis

Total Claims: 1
Claim 1
Independent Claim 162 words
A POWER SUPPLY COMPRISING; MEANS INCLUDING A SERIES TRANSISTOR AND A FILTER CIRCUIT FOR CONNECTING A LOAD CIRCUIT TO A SOURCE; A MAGNETIC MULTIVIBRATOR AMPLIFIER HAVING AN OUTPUT WINDING CONNECTED TO APPLY A VARIABLE FREQUENCY SIGNAL TO CONTROL BASE CURRENT OF THE TRANSISTOR, AND HAVING A PLURALITY OF OTHER WINDINGS; MEANS CONNECTING ONE OF SAID OTHER WINDINGS TO EFFECT SUBSTANTIALLY CONSTANT VOLTAGE ENERGIZATION THEREOF AT TIMES TO SET THE CORE; MEANS CONNECTING ANOTHER ONE OF SAID OTHER WINDINGS TO AFFECT SUBSTANTIALLY CONSTANT CURRENT RESET OF THE CORE IN BETWEEN SAID TIMES; AN ERROR CIRCUIT COMPRISING A VOLTAGE DIVIDER AND A ZENER DIODE REFERENCE SOURCE ACROSS THE LOAD CIRCUIT; A TRANSISTOR CONNECTED IN CIRCUIT WITH ANOTHER ONE OF SAID WINDINGS, AND MEANS INCLUDING A TRANSISTOR ERROR SIGNAL AMPLIFIER AND A DIODE CONNECTING THE ERROR CIRCUIT TO CONTROL THE TRANSISTOR OF SAID YET ANOTHER ONE OF SAID OTHER WINDINGS FOR VARYING THE RESET TIME OF THE CORE IN RESPONSE TO VARIATIONS IN ERROR SIGNAL.

References Cited (Backward Citations)

US2751545A Cited
US2810105A Cited
US2848614A Cited
US2850236A Cited
US2878440A Cited
US2953741A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1966-01-07 1966-07-09 1967-01-08 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1970-01-07 1970-07-09 1971-01-08 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1974-01-07 1974-07-09 1975-01-08 $7700.00 Window Closed / Lapsed

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