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US3705980A Expired / Lapsed US ⏱️ 0.0 years remaining

Controlled magnitude repeater for synchro and resolver signals

Assignee: Honeywell Inc
•
Filing: 1970-01-02
•
Granted: 1972-12-12
•
Expires: 1990-01-02
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Abstract

Abstract THIS APPLICATION DESCRIBES A CONTROLLED MAGNITUDE REPEATER FOR SYNCHRO AND RESOLVER SIGNALS HAVING UNDESIRED VARIATIONS IN MAGNITUDE. THE REPEATER COMPRISES ADJUSTING MEANS RESPONSIVE TO THE ANGLE SIGNALS FOR PROVIDING CORRESPONDING REPEATED ANGLE SIGNALS. COMBINING MEANS ARE INCLUDED FOR COMBINING THE REPEATED ANGLE SIGNALS PROVIDING A SIGNAL WHOSE MAGNITUDE IS INDEPENDENT OF THE ANGLE AND DEPENDENT ON THE UNDESIRED MAGNITUDE VARIATIONS. A REFERENCE SIGNAL IS PROVIDED FOR COMPARISON WITH THE COMBINED SIGNAL THEREBY PROVIDING AN ERROR SIGNAL. THE ERROR SIGNAL IS FED BACK TO THE ADJUSTING MEANS TO ADJSUT THE REPEATED ANGLE SIGNALS THEREBY RENDERING THEM INDEPENDENT OF THE UNDESIRED MAGNITUDE VARIATIONS. D R A W I N G

Inventors

  • 👤 David R Brickner
  • 👤 Sidney T Schell

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 21:26
CPC Classifications
G; G01; G01R; G01R33/00; G01R33/02; G01R33/04; G01R33/045; G06; G06G; G06G7/00; G06G7/12; G06G7/22

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

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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) 1975-12-12 1976-06-12 1976-12-12 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1979-12-12 1980-06-12 1980-12-12 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1983-12-12 1984-06-12 1984-12-12 $7700.00 Window Closed / Lapsed

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