JPS6151652U - - Google Patents

Description

[Brief explanation of the drawing]

Fig. 1 is a side view of the electron beam adjusting device according to the embodiment of the present invention, Fig. 2 is a front view thereof, and Fig. 3 is a gun rotation correction device generated by a magnet fixedly attached to the electron beam adjusting device. An explanatory diagram of the magnetic field, FIG. 4 is a side view of the electron beam adjustment device mounted on the cathode ray tube neck together with the deflection yoke, and FIG. 5A is a schematic diagram of the electron beam adjustment device in another embodiment of the present invention. Front view,
Figure B is a schematic side view, Figure 6 is an explanatory diagram showing the state of the gun rotation, and Figure 7 is a schematic side view of the gun rotation.
FIG. 3 is an explanatory screen diagram showing a state of misconvergence that occurs with rotation. 1... Cylindrical holder, 2... Locking piece, 4, 5,
6... Multipolar ring magnet, 7, 8... Magnet, B, G, R... Electron gun, CPM... Electron beam adjusting device, HL... Tube axis horizontal direction.

Claims (1)

[Scope of utility model registration request] A cylindrical holder that is mounted on a cathode ray tube neck in which a plurality of electron guns are arranged in-line and has a flange-like locking piece at one end and a tightening part consisting of a plurality of tongue pieces at the other end. In an electron beam adjusting device including a plurality of multipolar ring-shaped magnets arranged and fixed on the outer periphery of a cathode ray tube,
located on an extension line in the horizontal direction of the tube axis, facing at least one of the electron guns located on both sides of the electron guns, and directing the electron beam generated by the opposing electron gun upward or downward; 1. An electron beam adjustment device characterized by a fixed magnet that generates a magnetic field that moves in a direction.