Patent ID: 8436944

Claim:
A wireless communications system comprising: a first video device which provides a video signal; an adapter device, for said first video device, which is connected to said first video device and wirelessly transmits the video signal; a second video device; and an adapter device, for said second video device, which (i) receives the wirelessly-transmitted video signal, and (ii) provides the received video signal to said second video device, wherein said adapter device for said first video device includes: a first storage unit; a wireless transmitting and receiving unit; and a first control unit, when said first control unit wirelessly transmits the video signal to said second video device, said first control unit is configured to, (i) in the case where first setting information is stored in said first storage unit, (a) obtain the first setting information from said first storage unit, (b) transmit the obtained first setting information to said first video device, (c) receive from said first video device a video signal which is compliant with the first setting information, and (d) cause said wireless transmitting and receiving unit to wirelessly transmit the received video signal, the first setting information indicating specifications of video displayable on said second video device, and (ii) in the case where first setting information is not stored in said first storage unit, (a) obtain the first setting information from said adapter device for said second video device, (b) transmit the obtained first setting information to said first video device, (c) receive from said first video device a video signal which is compliant with the first setting information, and (d) cause said wireless transmitting and receiving unit to wirelessly transmit the received video signal, and (e) store the first setting information in said first storage unit, and said adapter device for said second video device includes: a wireless transmitting and receiving unit; and a second control unit configured to wirelessly transmit, to said adapter device for said first video device, the first setting information being obtained from said second video device.