Cathode ray tube and manufacturing method of deflection coil

Details Cathode ray tube and manufacturing method of deflection coil Cathode ray tube and manufacturing method of deflection coil

2007-02-27

2007-02-27

Patel, Nimeshkumar D. (Department: 2879)

Electric lamp and discharge devices

Cathode ray tube

Beam deflecting means

C313S421000, C313S441000, C313S442000, C335S210000, C335S213000, C335S296000, C335S297000

Reexamination Certificate

active

10703559

ABSTRACT:
A cathode ray tube comprises a panel having a fluorescent screen on an inner surface; a funnel connected to the panel, an electron gun housed in the funnel; emitting electron beams; and a shadow mask for selecting colors of the electron beams emitted from the electron gun, wherein the deflection yoke comprises a deflection coil for deflecting the electron beams in horizontal and vertical directions, a holder for insulating the deflection coil, and a ferrite core for reducing a magnetic field generated by the deflection coil, and an opening is formed on a flange portion of an opening section on a screen side of the deflection coil.

REFERENCES:
patent: 5340044 (1994-08-01), Doomernik et al.
patent: 5955830 (1999-09-01), Uyama
patent: 6069546 (2000-05-01), Azzi et al.
patent: 6465943 (2002-10-01), Nozawa et al.

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