Title:
ビデオ表示装置
Document Type and Number:
Japanese Patent JP4002278
Kind Code:
B2
Abstract:
A screen grid voltage or a focus voltage for a cathode ray tube is controlled via a digital-to-analog converter. The voltage variation range of the screen grid or focus voltage that can be obtained for the entire variation range of an output signal of the digital-to-analog converter is not significantly larger than that required for the type of cathode ray tube that is utilized.
Inventors:
Jiyoung Barreto
Laurence edward smith
Laurence edward smith
Application Number:
JP2005147452A
Publication Date:
October 31, 2007
Filing Date:
May 20, 2005
Export Citation:
Assignee:
THOMSON CONSUMER ELECTRONICS,INCORPORATED
International Classes:
H04N3/22; H04N3/26; H04N5/68
Domestic Patent References:
| JP52067508A | ||||
| JP61502440A |
Attorney, Agent or Firm:
Riki Kikoshi
Kozo Aoyama
Kozo Aoyama