Inductor devices – With electric and/or magnetic shielding means
Patent
1997-03-20
1998-11-10
Hecker, Stuart N.
Inductor devices
With electric and/or magnetic shielding means
360124, 84728, H01F 2736, G01H 314
Patent
active
058349995
ABSTRACT:
A transducer for a stringed instrument comprises a first uppermost coil, and a second lowermost coil with the axes of the coils coincident. At least one permanent magnet pole piece associated with the coils and a shield of magnetically permeable material arranged between the coils with the shield having one or more walls which extend over sides of the coils.
REFERENCES:
patent: 3963975 (1976-06-01), Gauper, Jr. et al.
patent: 3969771 (1976-07-01), Suzuki et al.
patent: 4442749 (1984-04-01), DiMarzio et al.
patent: 4524667 (1985-06-01), Duncan
patent: 5168117 (1992-12-01), Anderson
patent: 5464948 (1995-11-01), Lace
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