Abstract: The invention relates to an OFDM-based transmitter (1000) for transmitting a multiplex (M1) of one or more radio information signals in a radio transmission mode via a transmission medium. According to the invention, the transmitter comprises an input (1002) for receiving the multiplex of radio information signals, an encoding unit (1006/1010) for encoding a block of data of the multiplex of radio information signals and for generating an encoded block of data (202), and a multiplexer unit (1012) for incorporating the encoded block of data in a media radio subframe of a radio transmission signal. According to the invention, the transmitter is furthermore designed to receive a second multiplex (M2) of one or more radio information signals.

Abstract: A cutting device with the capability of cutting hard materials, such as steels, stainless steels and other similar and exotic alloys. The cutting device includes a cutter head having a central aperture and a stationary body having a channel extending therethrough. The stationary body extends through the central aperture of the cutter head. The cutter head is rotatable between a first configuration and a second configuration relative to the stationary body. The cutting device also includes first and second substantially parallel blades fixed to the stationary body. In the first configuration, the first blade is a first distance from the second blade. In the second configuration, the first blade is a second distance from the second blade. The cutting assembly is connected to a drive mechanism with a driver and an actuator. The actuator connects the cutter head to the driver. Engagement of the driver rotates the actuator, which rotates the cutter head.