Title:
CATHODE RAY TUBE
Document Type and Number:
Japanese Patent JPH09237595
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a cached rat tube wherein an inner shield is easily provided and an interference phenomenon is preventable of an electron beam by the inner shield. SOLUTION: A device comprises a panel 50 formed with a fluorescent screen in an internal surface, shadow mask assembly unit 60 mounted in the inside of the panel 50 and a funnel 70 seal-mounted in the panel 350 and provided with an electron gum and a deflection yoke, and includes a magnetic field shield part 80 provided along a wall of the funnel 70 and comprising a belt- shaped metal thin plate for preventing an influence by earth magnetism. It this way, the influence by the earth magnetism can be shielded by a simple constitution.
Inventors:
KIN SAIU
Application Number:
JP3024897A
Publication Date:
September 09, 1997
Filing Date:
February 14, 1997
Export Citation:
Assignee:
SAMSUNG ELECTRONIC DEVICES
International Classes:
H01J29/02; H01J29/00; H01J29/06; H01J29/86; H01J29/88; H01J31/20; (IPC1-7): H01J29/86; H01J29/02; H01J29/88; H01J31/20
Attorney, Agent or Firm:
Shigenori Wada