Title:
陰極線管用ファンネル
Document Type and Number:
Japanese Patent JP3591531
Kind Code:
B2
Abstract:
A diagonal inner-face curved portion is formed on an inner face of a diagonal portion of a pyramid-shaped yoke portion. The diagonal inner-face curved portion is formed to make at least one of partially inner-face curved portions at the major axis side and the minor axis side of the diagonal axis swell to the outward side. The partially inner-face curved portions at the major axis side and the minor axis side are formed by circular arced portions with different radii to each other.
Inventors:
Hiroshi Kakinoki
Application Number:
JP2002325711A
Publication Date:
November 24, 2004
Filing Date:
November 08, 2002
Export Citation:
Assignee:
Nippon Electric Glass Co., Ltd.
International Classes:
H01J29/86; (IPC1-7): H01J29/86
Domestic Patent References:
| JP2000251764A |
Attorney, Agent or Firm:
Shogo Ehara
Hideka Tanaka
Yoshiyuki Shiraishi
Kunihiko Shiromura
Tsuyoshi Kumano
Hiroaki Yamane
Hideka Tanaka
Yoshiyuki Shiraishi
Kunihiko Shiromura
Tsuyoshi Kumano
Hiroaki Yamane