US 12,254,853 B2
Electromagnetic scanning metronome
Thomas P. Caragher, Johns Creek, GA (US)
Filed by Thomas P. Caragher, Johns Creek, GA (US)
Filed on Mar. 3, 2022, as Appl. No. 17/803,141.
Claims priority of provisional application 63/207,554, filed on Mar. 3, 2021.
Prior Publication US 2022/0284872 A1, Sep. 8, 2022
Int. Cl. G10G 7/00 (2006.01); G04F 5/02 (2006.01); G10G 1/00 (2006.01)
CPC G10G 7/00 (2013.01) [G04F 5/025 (2013.01); G10G 1/00 (2013.01)] 4 Claims
OG exemplary drawing
 
1. In combination with an image of sheet music, an electromagnetic scanning metronome comprising
(a) at least one laser producing a beam of light,
(b) a stationary surface
(i) canted with respect to said beam of light,
(ii) including parallel striations perpendicular to said beam,
(iii) reflecting said beam of light to produce a swath (20) of light forming a vertically oriented, elongate, visible line of light (17) on and moving across said image of sheet music, and
(c) apparatus to move simultaneously said laser and visible line of light from left to right with respect to said image of sheet music.