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
Abstract
No abstract record available.
Inventors
- 👤 Robinson Kenneth Arthur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:57
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)
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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) | 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 |