The ornamental design for a televisionreceiver, as shown and described.
1. Television receiver
1.1 : Perspective
1.2 : Front
1.3 : Back
1.4 : Left
1.5 : Top
1.6 : Bottom
1.7 : Reference view
1.8 : Perspective view 2
1.9 : Front view 2
1.10 : Back view 2
1.11 : Left view 2
1.12 : Top view 2
1.13 : Bottom view 2
1.14 : Reference view 2
1.15 : Reference view 3
The broken lines depict portions of the television receiver that form no part of the claimed design; this design is for a television receiver with a flexible display, and a speaker and a storage are provided at the bottom of the main body; reproductions 1.1 to 1.6 are front perspective, front, back, left, top and bottom views of the claimed design not in use in which the flexible display is curled inside the main body; reproduction 1.7 is a reference view showing a process in which the upper cover has been opened backward and the flexible display came up; reproductions 1.8 to 1.13 are front perspective, front, back, left, top and bottom views of the claimed design in use, in condition that the upper cover has been opened and the flexible display came up; reproductions 1.14 and 1.15 are reference views showing the display moves up and down depending on the aspect ratio of the content being played; the reference views, reproductions 1.7, 1.14 and 1.15, form no part of the claimed design; the right views are omitted because they are mirror images of the left views.