Museum of the Broadcast Television Camera

RCA TK-11 and TK31 Image Orthicon tube and scanning yoke

RCA TK-11 and TK31 Image Orthicon tube and scanning yoke

 

The 3 inch Image Orthicon tube type 5820 for the TK-11/31. The scanning yoke is upside down in this picture, at the top is the pipe were the flexible hose from the blower attaches. It is important that the tube target is maintained at an optimum temperature. To the left is the focus control which moves the yoke forwards or backwards as required. It runs on a roller bearing assembly which attaches to the top plate of the camera and the yoke hangs down from that.

 

 

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