JP2007165961A5 - - Google Patents

Claims (10)

In the digital data receiver
A plurality of branches each configured to be able to individually select a channel and outputting a reception signal related to the selected channel ;
A diversity processing unit capable of synthesizing and outputting a signal output from the synthesis target branch , at least a part of the plurality of branches ;
A detection unit for detecting an environmental situation in which the digital data receiver is placed;
In accordance with a detection result by the detection unit, a control unit that performs operation control including branch switching of the synthesis target in the diversity processing unit,
A digital data receiver. The digital data receiver according to claim 1, wherein the diversity processing unit can output a signal output from a branch other than the combination target branch among the plurality of branches without combining the signals. The digital data receiver according to claim 1, wherein the diversity processing unit is capable of combining and outputting signals output from branches other than the combination target branch among the plurality of branches. The detection unit is an arrangement detection unit for detecting an arrangement of viewers viewing the display unit that displays an image based on an output signal of the diversity processing unit ,
The digital data receiver according to claim 1 , wherein the control unit performs mode operation control in the diversity processing unit based on a detection result of the arrangement detection unit. The detection unit is a display unit detection unit for detecting the number of display units capable of displaying an image based on the output signal of the diversity processing unit ,
The digital data receiver according to any one of claims 1 to 3, wherein the control unit performs mode operation control in the diversity processing unit based on a detection result of the display unit detection unit. The detection unit is an emergency alert information detection unit for detecting emergency alert information,
2. The digital data receiver according to claim 1, wherein, when the emergency alert information detection unit detects emergency alert information, the control unit controls all of the plurality of branches to be the synthesis target branch. 3. . Wherein, among the plurality of branches, using a signal from the branch other than the branch for outputting a signal to be used for an image to be displayed, perform channel search, any one of claims 1 to 6 The digital data receiver described in 1. The said control part searches for a program using the signal from branches other than the branch which outputs the signal utilized for the image | video displayed on the said several branches, The any one of Claims 1-6 The digital data receiver described in the paragraph. 9. The control unit according to claim 1, wherein the control unit is capable of controlling the diversity processing unit to simultaneously output signals used for different videos and simultaneously displaying different videos on a plurality of display units. The digital data receiver described. The control unit can output sound based on an output signal of the diversity processing unit , can control output of a plurality of speakers provided corresponding to the plurality of display units, and has different images on the plurality of display units The digital data receiver according to claim 9, wherein the digital data receiver is controllable to output sound corresponding to the displayed video from a speaker corresponding to each of the plurality of display units when displaying .