Then, the signal is supplied to a picture tube (9).
The picture tube has a wide aspect ratio.
A color picture tube has a compliant tension mask frame assembly mounted within said tube.
A picture tube incorporating this shadow mask has extremely high sharpness without blur of colors.
A color picture tube (10) having a tensioned mask (24) supported by a frame (28) mounted within the tube.
The device further comprises a second imaging tube (See Fig. 1, item 50) comprising a second imaging fiber for cellular imaging (See Fig. 2., item 54).
The device further includes a first imaging tube (Fig. 1, item 40) comprising a first imaging fiber for gross examination and navigation trough the body vessel (See Fig. 2, item 44).
The second illumination fiber is disposed adjacent the first imaging tube and within the annular illumination.
The invention is particularly appropriate for television receiving sets having large image tubes and an energy-saving line deflection circuit.
The optical fiber bundles on the display screen of the kinescope incline to the fictitious centre axis which is made through the center of the large screen.
An edge of the frame and the bottoms of partition stripes cover the rim of the display screen of the kinescope and a butting part between the screens.
The optical fiber bundles are densely arranged within the supporting frame and cover the display screen of each kinescope.
The relay lens (84) focuses the output image from either the image tube or the fiber optic image conduit (67) onto the optical input of the video camera.