| 摘要 |
According to an example embodiment of the present invention, there is provided an apparatus, comprising a first arm configured to accept a device, the first aim comprising a first counterweight arrangement, a second arm supporting the first arm by a coupling, and a base defining a curve and having the second arm mounted thereon, wherein the second arm is movable along the curve, the base configured to be mounted on a chair. The second arm may be furnished with a second counterweight arrangement. |
