Abstract: A protective apparatus for a portable device is disclosed. The protective apparatus generally includes a main case configured for accommodating the portable device; an accessory case configured for accommodating accessories of the portable device; and a protective jacket including a main jacket and an accessory jacket, wherein the main jacket is configured for receiving the main case, and the accessory jacket is configured for receiving the accessory case; and a strap configured for joining the main jacket and the accessory jacket together. The protective apparatus not only can reduce the damage come from a sudden and violate collision to the portable device, but also provide a whole protection for the portable device without interfering the operation to the portable device.

Abstract: A protective apparatus for a portable device is disclosed. The protective apparatus generally includes a case and a jacket. The case is configured for accommodating the portable device and the jacket is configured for receiving the case. The protective apparatus not only can reduce the damage come from a sudden and violate collision to the portable device, but also can supply a whole protection for the portable device without interfering the operation to the portable device.

Abstract: The invention provided a protective brace for a portable device. The protective brace includes a hold part, a first shock-absorbing part and a second shock-absorbing part. The shock-absorbing parts are at opposite sides of the hold part separately; and each of the anti-vibrate part is wider and higher than the hold part in width and height respectively; the hold part, the first shock-absorbing part, and the second shock-absorbing part define a holder for the portable device. The cute frame-like protective brace have the merits of shock absorbing, open-operation and lightweight.

Abstract: A sound mask is disclosed. The sound mask defines through holes. Rotational axis of the through holes are inclined relative to a surface normal of the sound mask. The sound mask is used in a sound box for obtaining a width sound field and a good distinguishing ability of sound source.

Abstract: A template (10) for assisting cover design has a decorative surface (12). The decorative surface includes a curved portion (121) and an essentially flat portion (122) around the curved portion. The flat portion has a plurality of slots (124) formed therein and is divided into several sections by the slots. Each section has been processed to have a characteristic texture. Each texture within a given section is different from that of any other one of the sections.