Patent search ap:("Panasonic Intellectual Property Management Co. Page Ltd.") AND inv:"Tetsuya Koyanagi"

1.

发明授权
Speaker diaphragm, speaker, speaker diaphragm manufacturing method, electronic device, and mobile body apparatus 有权

公开(公告)号：US11582557B2

公开(公告)日：2023-02-14

申请号：US17211114

申请日：2021-03-24

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： Tetsuya Koyanagi , Tetsushi Itano , Kazuaki Nishimura , Makoto Kurozawa , Ryouichi Uemoto , Hiroki Sano

IPC: H04R7/12 , H04R7/20 , H04R31/00

Abstract: A speaker diaphragm includes an edge formed from an elastomer, and a diaphragm body that is to be joined to the edge. A joint between the edge and the diaphragm body includes a melting portion between the edge and the diaphragm body.

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