Abstract: A cutting blade (10) for safely and effectively cutting sheet material is provided. The cutting blade is particularly suited for cutting sheet material such as foil wrap from a roll. The cutting blade includes a plurality of microteeth (52) that allow the cutting blade to cut foil while minimizing fine pieces of foil material that may be severed when cutting foil wrap.

Abstract: A music-playing system for a motor vehicle that is equipped with an antenna includes a radio communications unit in the motor vehicle, an input unit for operating the radio communications unit, and a music-reproduction unit having at least one loudspeaker. One or more external radio communications units are connected via a remote data transmission line to a music storage unit. The radio communications unit in the motor vehicle is designed to receive transmitted music. The operator of the motor vehicle can communicate with the music storage unit and call up pieces of music. An ISDN connection is preferably used as the remote data transmission line.

Abstract: A music playing system includes a number of music playback units with playback changer devices, coding units, and ISDN cards. Each of the music playback units is provided with playable pieces of music. There is at least one input unit by means of which the pieces of music to be played on a playback unit are selected. In addition, there is a central computer with a memory in at least one playback unit, with the memory storing data about the pieces of music available in the playback units. The playback units can be connected between themselves and to the central computer via remote data transmission lines.

Abstract: The present invention relates to a program controlled entertainment and game device which includes a housing, a display unit connected with the housing and preferably provided within the housing, operating elements associated with the housing, and a playback unit associated with the housing for a CD-I disc on which the program and data informations are stored. Preferably the entertainment and game device according to the invention is employed as a coin-operated game, merchandise dispensing machine or a skill testing device.

Abstract: A coin-operated music playing machine or jukebox includes a coin unit, a viewing screen, an input keyboard, and at least one loudspeaker. The jukebox is connected to a central music store via a remote data transmission line, preferably an ISDN line. The jukebox has digital/analog converters and amplifiers for information transmitted via the remote data transmission line. The jukebox also includes an intermediate memory for storing audio information received over the remote data transmission line and a mass storage memory for frequently played selections.