Invention Grant
- Patent Title: Method of manufacturing and adjusting a color picture tube
- Patent Title (中): 制造和调整彩色显像管的方法
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Application No.: US682419Application Date: 1984-12-17
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Publication No.: US4659957APublication Date: 1987-04-21
- Inventor: Eberhard Nill
- Applicant: Eberhard Nill
- Applicant Address: NY New York
- Assignee: ITT Industries, Inc.
- Current Assignee: ITT Industries, Inc.
- Current Assignee Address: NY New York
- Priority: DEX3346361 19831222
- Main IPC: H01J31/20
- IPC: H01J31/20 ; H01J9/42 ; H01J29/00 ; H01J29/07 ; H01J29/82
Abstract:
A three electron gun color picture tube includes phosphorescent marks attached to the rear side fo the shadow mask. These marks can be used for checking the exact position of the electron beams during adjustment.
Information query
