US 12,376,996 B2
Hearing protector with sensor module and method of retrofitting a hearing protector with a sensor module
Henning T. Urban, Kuehlungsborn (DE); Jonas A. Nilsson, Värnamo (SE); Abel Gladstone Mangam, Värnamo (SE); Caroline M. Ylitalo, Stillwater, MN (US); William Bedingham, Woodbury, MN (US); Erik O. Levholt, Ödeshög (SE); and Patrick R. T. Hjort, Värnamo (SE)
Assigned to 3M Innovative Properties Company, St. Paul, MN (US)
Appl. No. 18/258,219
Filed by 3M INNOVATIVE PROPERTIES COMPANY, St. Paul, MN (US)
PCT Filed Dec. 20, 2021, PCT No. PCT/IB2021/062039
§ 371(c)(1), (2) Date Jun. 19, 2023,
PCT Pub. No. WO2022/137091, PCT Pub. Date Jun. 30, 2022.
Claims priority of application No. 20217115 (EP), filed on Dec. 23, 2020.
Prior Publication US 2024/0293261 A1, Sep. 5, 2024
Int. Cl. H04R 29/00 (2006.01); A61F 11/14 (2006.01)
CPC A61F 11/145 (2022.01) [A61F 2230/0065 (2013.01)] 15 Claims
OG exemplary drawing
 
1. A hearing protector comprising two earmuffs, each earmuff having a first side facing—in use—towards an ear of a user (100) and a second side opposite to each other, wherein the earmuffs each comprise:
a. a cup comprising a first side and a second side each opposite to each other,
b. a cushion comprising
i. a first side;
ii. a second side opposite to each other; and,
iii. at least one cushion sensor,
wherein at least one of the earmuffs further comprises:
c. a sensor module comprising
i. a first side;
ii. a second side opposite to each other; and,
iii. at least one module sensor,
wherein the sensor module is removably attached with its second side to the first side of the cup,
wherein the sensor module is removably attached with its first side to the second side of the cushion; and,
wherein the sensor module is connected to the at least one cushion sensor.