Patent ID: 6466276
Filing Date: 2002-10-15
Classification: H01P

Abstract:
A signal distributing/synthesizing apparatus comprising:signal distributing/synthesizing means for distributing a signal input to at least one of a first, a second, and a third terminal of said signal distributing/synthesizing means and synthesizing said signals input to the second and the third terminals into a signal to be output to the first terminal; first and second antennas forming a radio transmission channel for an output signal from said signal distributing/synthesizing means; a pseudo-antenna forming a pseudo-radio transmission channel for an output signal from said signal distributing/synthesizing means; and first, second, and third switching means, wherein said first switching means complementarily switches/connects a first broadcasting unit and said first antenna to the first terminal of said signal distributing/synthesizing means and said third switching means, said second switching means complementarily switches/connects a second broadcasting unit and said second antenna to the second terminal of said signal distributing/synthesizing means and said third switching means, and said third switching means complementarily switches/connects said pseudo-antenna and the third terminal of said signal distributing/synthesizing means to said first and second switching means.