US 12,224,787 B1
Protective case for electronic device
Yanghui Zheng, Shenzhen (CN); and Qiushun Liu, Shenzhen (CN)
Assigned to Shenzhen Lingyi Innovation Technology Co. Ltd, Shenzhen (CN)
Filed by Shenzhen Lingyi Innovation Technology Co. Ltd, Shenzhen (CN)
Filed on Apr. 3, 2024, as Appl. No. 18/625,302.
Claims priority of application No. 202311152026.3 (CN), filed on Sep. 7, 2023.
Int. Cl. H04B 1/3888 (2015.01); H04M 1/02 (2006.01)
CPC H04B 1/3888 (2013.01) [H04M 1/0283 (2013.01)] 17 Claims
OG exemplary drawing
 
10. An electronic device protective case, comprising:
a decorative layer including at least one layer of first sheet material; and
a functional layer that is in contact with the decorative layer, the functional layer
including at least one layer of second sheet material and a magnetic piece;
wherein:
the second sheet material is provided with a mounting hole;
the magnetic piece is embedded in the mounting hole; and
the magnetic piece has a thickness that matches a depth of the mounting hole;
further wherein:
the decorative layer has an outer surface that is provided with a first coating, and the first coating is applied by spraying a surface treatment agent;
the functional layer has an inner surface that is provided with a second coating, with the second coating completely covering the mounting hole; and
the second coating is formed of at least one of polyester, polyethylene, polypropylene, or epoxy materials,
further wherein:
the first coating has a thickness that ranges from 0.01 mm to 0.10 mm; and
the second coating has a thickness that ranges from 0.05 mm to 0.28 mm.