US3715446A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic pickup for stringed musical instruments
Assignee: Gulf and Western Industries Inc
•
Filing: 1971-06-22
•
Granted: 1973-02-06
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Expires: 1991-06-22
Abstract
Abstract A magnetic pickup for stringed musical instruments has a balanced coil assembly for each string. Each assembly includes a bar magnet supporting a pair of pole pieces, each pole piece having a separate coil wound thereon. Each coil assembly is provided with an adjustment device for individually balancing the output of each string.
Inventors
- 👤 F Kosinski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:10
CPC Classifications
G; G10; G10H; G10H3/00; G10H3/12; G10H3/14; G10H3/18; G10H3/182
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
121 words
A magnetic pickup for a stringed musical instrument comprising a plurality of coil assemblies, each of said coil assemblies including a magnet, each of said coil assemblies further including a plurality of pole pieces supported on said magnet, each of said coil assemblies also including a plurality of induction coils equal in number to the plurality of pole pieces, each of said plurality of induction coils being separately wound around one of said pole pieces with the coils being electrically connected in series, means for connecting the outputs of said coil assemblies and means for supporting said plurality of coil assemblies on a stringed musical instrument with each string of the instrument passing over a different one of said coil assemblies.
Claim 2
Dependent Claim
121 words
A magnetic pickup for a stringed musical instrument comprising a plurality of coil assemblies, each of said coil assemblies including a magnet, each of said coil assemblies further including a plurality of pole pieces supported on said magnet, each of said coil assemblies also including a plurality of induction coils equal in number to the plurality of pole pieces, each of said plurality of induction coils being separately wound around one of said pole pieces with the coils being electrically connected in series, means for connecting the outputs of said coil assemblies and means for supporting said plurality of coil assemblies on a stringed musical instrument with each string of the instrument passing over a different one of said coil assemblies.
Claim 3
Dependent Claim
121 words
A magnetic pickup for a stringed musical instrument comprising a plurality of coil assemblies, each of said coil assemblies including a magnet, each of said coil assemblies further including a plurality of pole pieces supported on said magnet, each of said coil assemblies also including a plurality of induction coils equal in number to the plurality of pole pieces, each of said plurality of induction coils being separately wound around one of said pole pieces with the coils being electrically connected in series, means for connecting the outputs of said coil assemblies and means for supporting said plurality of coil assemblies on a stringed musical instrument with each string of the instrument passing over a different one of said coil assemblies.
Claim 4
Dependent Claim
121 words
A magnetic pickup for a stringed musical instrument comprising a plurality of coil assemblies, each of said coil assemblies including a magnet, each of said coil assemblies further including a plurality of pole pieces supported on said magnet, each of said coil assemblies also including a plurality of induction coils equal in number to the plurality of pole pieces, each of said plurality of induction coils being separately wound around one of said pole pieces with the coils being electrically connected in series, means for connecting the outputs of said coil assemblies and means for supporting said plurality of coil assemblies on a stringed musical instrument with each string of the instrument passing over a different one of said coil assemblies.
Claim 5
Dependent Claim
38 words
A pickup according to claim 1 further including means for individual adjustment of each of said coil assemblies so that each of the coil assemblies may be individually raised or lowered to balance the output of each string.
Claim 6
Dependent Claim
16 words
A pickup according to claim 1 wherein said magnetic pickup is adjustably mounted on said instrument.
Claim 7
Dependent Claim
27 words
A pickup according to claim 1 further comprising fiber shims located between adjacent coil assemblies to align said coil assemblies so as to provide a self-supporting pickup.
Claim 8
Dependent Claim
23 words
A pickup according to claim 2 wherein said adjustment means includes spring-biasing means in order to separately tension each of said coil assemblies.
Claim 9
Dependent Claim
26 words
A pickup according to claim 1 wherein each of said pole pieces are formed of magnetizable material and are mounted in holes formed in said magnets.
Claim 10
Dependent Claim
27 words
A pickup according to claim 6 wherein an insulating bobbin is mounted on each pole piece, with each bobbin supporting one of said separately wound coils thereon.
References Cited (Backward Citations)
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Cited
US2612541A
Cited
US2612072A
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US2892371A
Cited
US3541219A
Cited
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Cited
US3571483A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-02-06 | 1976-08-07 | 1977-02-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-02-06 | 1980-08-07 | 1981-02-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-02-06 | 1984-08-07 | 1985-02-06 | $7700.00 | Window Closed / Lapsed |