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

Claim 21:
22. The cushion according to claim 21, wherein
a third inner difference in height between the fourth inner height and the third inner height is about 1 millimetres to about 5 millimetres, or about 2 millimetres to about 4 millimetres, or about 3 millimetres, and/or
a third outer difference in height between the fourth outer height and the third outer height is about 2 millimetres to about 6 millimetres, or about 3 millimetres to about 5 millimetres, or about 4 millimetres, and
wherein the third inner difference in height is smaller than the first inner difference in height, and/or wherein the third outer difference in height is smaller than the first outer difference in height, and if the cushion comprises a second height, the third inner difference in height is smaller than the second inner difference in height and/or the third outer difference in height is smaller than the second outer difference in height.