Cable-free point-multipoint signal transmission device for distribution of television signals has transmitter or group of transmitters intended to transmit signals to receivers or single receiver, respectively

摘要

The device has a transmission unit (4) with a single transmitter (E) or group of transmitters, and a receiver unit (5) with a group of receivers (r1, r2) or a single receiver (R), respectively. The transmitter (E) is intended to transmit signals to each receiver (r1, r2) or the receiver (R) respectively, without complete masking due to another receiver (r1, r2) or due to another transmitter, respectively.