Robert Boschgmbh

Thomas Freitag

Holger Zimmermann

Dieter Baas

Ingo Hermanns

Jens Maier

Daniel Meemann

Christoph Buenger

An operating device includes a planar operating element that includes at least one large surface and that is operable by an operator with the aid of an input element, and the operating device includes a mounting that enables a stroke movement of the operating element perpendicular to the large surface and that sets the operating element into a rotation in parallel to its large surface during the stroke movement.

Operating device

A method for playing a recording medium, in particular an optical storage disc, used to access titles more quickly. Stored in a run-in area of the recording medium is at least one address area that includes at least one address of a beginning of a title stored on the recording medium. The recording medium is played in a player having a read device. When the at least one address area is read out, the at least one address of a title beginning is converted to a start time of exactly one time unit and stored in a memory, with the start time corresponding approximately to the playing time of the recording medium up to the addressed title beginning. To position the read device at the beginning of the title, the track jump time is calculated directly from the corresponding start time stored in the memory.

Method for playing back recording medium

An electrical device allows voltage to be supplied with minimal power loss. The electrical device has elements with differing supply voltage demands. The same supply voltage is supplied in each case to the elements. The supply voltage can be switched over. The supply voltage is set as a function of the currently highest voltage demand of the elements. The electrical device can be configured as a playback device for optical memory disks, and can include a device for driving an optical memory disk inserted into the playback device and for positioning a scanning unit.

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Algermissen, Germany

Thomas Freitag