公开(公告)号：US12074352B2

公开(公告)日：2024-08-27

申请号：US17295515

申请日：2019-12-02

申请人： Widex A/S

发明人： Per Kokholm Sorensen ,  Boris Valnert ,  Thorvaldur Oli Bodvarsson ,  Drew Rosskelly ,  Michael Frydendal Larssen ,  Rune Aarup Due

IPC分类号： H01M8/04082 ,  H01M8/1011

CPC分类号： H01M8/04208 ,  H01M8/1011

摘要： A system and method for refuelling a fuel cell having a fuel reservoir. The system includes a cartridge (1) having a first reservoir (2) for storing fuel for the fuel cell and a refuelling unit adapted to receive a waste liquid from the fuel reservoir of the fuel cell and provide fuel from the first reservoir (2) of the cartridge (1) to the fuel reservoir of the fuel cell. The system further includes a second reservoir for storing the waste liquid from the fuel cell, a cartridge for use with the system, a refuelling unit for use with the system.

公开(公告)号：US11082777B2

公开(公告)日：2021-08-03

申请号：US16089759

申请日：2016-04-01

申请人： WIDEX A/S

发明人： Lars Friis ,  Christian Christiansen Burger ,  Christian Lyngsoe Svejgaard ,  Jan Topholm ,  Rune Aarup Due ,  Toke Borgen Linander ,  Christian Andersen

IPC分类号： H04R25/00

摘要： A hearing assisting (10) device including a receiver (1) for generation of acoustic signals and a fixture (3, 8, 9) for positioning the receiver. A suspension (2, 21, 22) supports the receiver to the fixture. The combination of the receiver and the suspension has a mechanical resonance frequency in the range from 6 kHz to 10 kHz.