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US3079548A Expired / Lapsed US ⏱️ 0.0 years remaining

Electromechanical signalling apparatus

Assignee: Lancashire Dynamo Electronic Products Ltd
•
Filing: 1959-11-03
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Granted: 1963-02-26
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Expires: 1979-11-03
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Abstract

No abstract record available.

Inventors

  • 👤 Robinson Kenneth Arthur

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 22:45
CPC Classifications
B; B23; B23Q; B23Q35/00; B23Q35/04; B23Q35/08; B23Q35/12; B23Q35/121; B23Q35/123; G; G08; G08C; G08C19/00; G08C19/38; G08C19/40; G08C19/44

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 98 words
AN ELECTROMECHANICAL DEVICE FOR TRANSMITTING ELECTRICAL INFORMATION COMPRISING A MAGNET HAVING A POLYPHASE EXCITING WINDING COMPOSED OF A PLURALITY OF PHASE WINDINGS HAVING MAGNETIC CIRCUITS ANGULARLY SPACED ROUND AN AXIS, AN INDUCTOR IN THE FORM OF A MAGNETICALLY ECCENTRIC ROTOR MOUNTED TO ROTATE ON SAID AXIS FOR VARYING THE RELUCTANCE OF SAID MAGNETIC CIRCUITS IN CYCLIC ORDER AS THE ROTOR ROTATES, AND TWO OUTPUT CONNECTIONS FOR TRANSMITTING ELECTRICAL OUTPUTS FROM SAID WINDING PROPORTIONAL TO RECTANGULAR COMPONENTS OF THE ANGULAR DISPLACEMENT OF SAID ROTOR, SAID WINDINGS INCLUDING PHASE WINDINGS IN QUADRATURE HAVING SEPARATE JUNCTIONS CONNECTED TO SAID OUTPUT CONNECTIONS.
Claim 2
Dependent Claim 98 words
AN ELECTROMECHANICAL DEVICE FOR TRANSMITTING ELECTRICAL INFORMATION COMPRISING A MAGNET HAVING A POLYPHASE EXCITING WINDING COMPOSED OF A PLURALITY OF PHASE WINDINGS HAVING MAGNETIC CIRCUITS ANGULARLY SPACED ROUND AN AXIS, AN INDUCTOR IN THE FORM OF A MAGNETICALLY ECCENTRIC ROTOR MOUNTED TO ROTATE ON SAID AXIS FOR VARYING THE RELUCTANCE OF SAID MAGNETIC CIRCUITS IN CYCLIC ORDER AS THE ROTOR ROTATES, AND TWO OUTPUT CONNECTIONS FOR TRANSMITTING ELECTRICAL OUTPUTS FROM SAID WINDING PROPORTIONAL TO RECTANGULAR COMPONENTS OF THE ANGULAR DISPLACEMENT OF SAID ROTOR, SAID WINDINGS INCLUDING PHASE WINDINGS IN QUADRATURE HAVING SEPARATE JUNCTIONS CONNECTED TO SAID OUTPUT CONNECTIONS.

References Cited (Backward Citations)

US2462095A Cited
US2403958A Cited
US2475132A Cited
US2492731A Cited
US2483090A Cited
US2864066A Cited
US2880391A Cited
US2941140A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1966-02-25 1966-08-27 1967-02-26 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1970-02-25 1970-08-27 1971-02-26 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1974-02-25 1974-08-27 1975-02-26 $7700.00 Window Closed / Lapsed

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