Robert Boschgmbh

Thomas Schlittmeier

Gregor Sauer

Alfred Brunhofer

Josef Taffner

The invention relates to a loudspeaker box () comprising a housing (), a loudspeaker () arranged in the housing () for generating sound, and a sound-guide device (), wherein the sound-guide device () is arranged in front of the loudspeaker () in a sound propagation direction (), wherein the sound-guide device () is configured in such a way that the sound-guide device () guides the sound generated by the loudspeaker () to a front slot () arranged on a front side () of the sound-guide device () for the purposes of sound radiation. The invention also relates to a column loudspeaker box () comprising at least two loudspeaker boxes () arranged above one another.

Loudspeaker box and column loudspeaker box

The invention relates to a cover () for a portable electronic mixer amplifier (), said cover () comprising at least: a cover shell () having a front side () and a rear side for being mounted on a lower device part () of the mixer amplifier (), closure devices () for locking the cover () to the lower device part (), wherein the closure devices () can be adjusted between an open and a locked position. According to the invention, the cover () comprises a carrying device () which allows a user to carry the device, and closure recesses () are designed in the cover shell () in which the closure devices () are accommodated. The closure recesses, in particular actuatable closure parts (), are preferably aligned in the locked position with the front side () of the cover shell and protrude when in the open position.

Cover for a portable mixer amplifier

The invention relates to an optical waveguide system () for a display device () and to such a display device (), wherein the optical waveguide system () comprises at least one optical waveguide group (------), wherein at least one of the optical waveguide groups (-----) comprises: several optical waveguides () made of a material that is transparent to the light of a LED (), spacers () for adjusting a distance of an interspace () between a circuit carrier () and a front panel (), and a housing () which is made of a material that is intransparent to the light, surrounds each of the several optical waveguides () and connects the optical waveguides () and the spacers () among each other and to each other.

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Altdorf, Germany

Thomas Schlittmeier