US3553340A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Musical instrument
Assignee: Individual
•
Filing: 1968-06-21
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Granted: 1971-01-05
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Expires: 1988-06-21
Abstract
Abstract A musical instrument comprises an elongated drum on the curved surface of which there are a plurality of actual recordings of different notes of a musical instrument, the recordings being arranged at different axial positions on the drum, drive means for rotating the drum at a predetermined speed, and a plurality of pickup devices selectively operable to cause the notes recorded on the drum to be selectively reproducable.
Inventors
- 👤 James Joseph Mcloughlin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 16:23
CPC Classifications
G; G10; G10H; G10H3/00; G10H3/03; G10H3/08; G10H3/09
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
130 words
A musical instrument comprising a rotatable carrier, a plurality of drums arranged in an equiangularly spaced, parallel relationship about the rotary axis of said carrier, each drum having a curved surface on which there are a plurality of actual recordings of different notes of a musical instrument, the recordings being arranged at different axial positions on the drum and the drums bearing recordings of a plurality of different instruments respectively, pickup position, means for indexing the carrier to bring any selected drum to bear on a pickup position, drive means for rotating a drum at the pickup position at a predetermined speed, and a plurality of pickup devices at said pickup position selectively operable to cause the notes recorded on a drum at the pickup position to be selectively reproducible.
Claim 2
Dependent Claim
130 words
A musical instrument comprising a rotatable carrier, a plurality of drums arranged in an equiangularly spaced, parallel relationship about the rotary axis of said carrier, each drum having a curved surface on which there are a plurality of actual recordings of different notes of a musical instrument, the recordings being arranged at different axial positions on the drum and the drums bearing recordings of a plurality of different instruments respectively, pickup position, means for indexing the carrier to bring any selected drum to bear on a pickup position, drive means for rotating a drum at the pickup position at a predetermined speed, and a plurality of pickup devices at said pickup position selectively operable to cause the notes recorded on a drum at the pickup position to be selectively reproducible.
Claim 3
Dependent Claim
29 words
A musical instrument as claimed in claim 1 in which the curved surface of each drum is constituted by magnetizable film and the pickup devices are magnetic pickup heads.
Claim 4
Dependent Claim
26 words
A musical instrument as claimed in claim 2 in which the pickup devices are respectively connectable to an amplifier by a plurality of keyboard operable switches.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-01-04 | 1974-07-06 | 1975-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-04 | 1978-07-06 | 1979-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-04 | 1982-07-06 | 1983-01-05 | $7700.00 | Window Closed / Lapsed |