Invention Grant
- Patent Title: Sound absorber, electronic device with sound absorbing device, and image forming apparatus with sound absorber
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Application No.: US16701814Application Date: 2019-12-03
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Publication No.: US11495203B2Publication Date: 2022-11-08
- Inventor: Masahiro Ishida , Naoki Matsuda , Hiroshi Ishii , Kohta Takenaka , Keisuke Shimizu , Shogo Sakamoto , Takayuki Isaka
- Applicant: Masahiro Ishida , Naoki Matsuda , Hiroshi Ishii , Kohta Takenaka , Keisuke Shimizu , Shogo Sakamoto , Takayuki Isaka
- Applicant Address: JP Kanagawa; JP Kanagawa; JP Kanagawa; JP Kanagawa; JP Tokyo; JP Kanagawa; JP Kanagawa
- Assignee: Masahiro Ishida,Naoki Matsuda,Hiroshi Ishii,Kohta Takenaka,Keisuke Shimizu,Shogo Sakamoto,Takayuki Isaka
- Current Assignee: Masahiro Ishida,Naoki Matsuda,Hiroshi Ishii,Kohta Takenaka,Keisuke Shimizu,Shogo Sakamoto,Takayuki Isaka
- Current Assignee Address: JP Kanagawa; JP Kanagawa; JP Kanagawa; JP Kanagawa; JP Tokyo; JP Kanagawa; JP Kanagawa
- Agency: Harness, Dickey & Pierce, P.L.C.
- Priority: JP2016-015890 20160129,JP2016-231140 20161129
- Main IPC: G10K11/172
- IPC: G10K11/172 ; G03G21/16 ; G03G21/00
Abstract:
A sound absorber includes at least one cavity and at least one mouth to communicate the at least one cavity with an outside of the sound absorber. The at least one cavity includes a top surface, a bottom surface, and a side wall. The top surface includes the mouth. The bottom surface opposes the top surface. The side wall is extended to connect the top surface with the bottom surface. At least one of the top surface and the bottom surface is inclined with respect to the side wall.
Information query
