Back to results
US 2021/0268414 A1Published application
Filter and air-conditioning device
AssigneeMurata Manufacturing Co., Ltd.
InventorsTakafumi Inoue, Kenichiro Takumi, Daiji Tamakura, Masamichi Ando
Life of this patent
Estimating the term…
Abstract
An antibacterial mask that includes a filter portion having a first layer and a second layer, and at least one of the first layer and the second layer include a plurality of first piezoelectric yarns that generate at least a first charge by stretching.
Claims20
An antibacterial mask comprising:
- a filter portion having a first layer and a second layer, wherein at least one of the first layer and the second layer include a plurality of first piezoelectric yarns that generate at least a first charge by stretching.
Dependencies are inferred from the claim text.