Patent ID: 11902730
Assignee: INVISIO A/S
Field: Audio-visual technology (Electrical engineering)
Classification: CPC H  A | IPC A  H

Claim 17:
18. The cushion according to claim 17, wherein
a first inner difference in height between the first inner height and the third inner height is about 3 millimetres to about 8 millimetres, or
about 4 millimetres to about 7 millimetres or about 6 millimetres, and/or
a first outer difference in height between the first outer height and the third outer height is about 7 millimetres to about 12 millimetres, or about 8 millimetres to about 11 millimetres, or about 9 millimetres to about 10 millimetres, or about 9.4 millimetres.