JPS5516515A - Regulator for white balance of color braun tube - Google Patents
Regulator for white balance of color braun tubeInfo
- Publication number
- JPS5516515A JPS5516515A JP8832978A JP8832978A JPS5516515A JP S5516515 A JPS5516515 A JP S5516515A JP 8832978 A JP8832978 A JP 8832978A JP 8832978 A JP8832978 A JP 8832978A JP S5516515 A JPS5516515 A JP S5516515A
- Authority
- JP
- Japan
- Prior art keywords
- control system
- system unit
- voltage regulator
- fixed
- screen
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Manufacture Of Electron Tubes, Discharge Lamp Vessels, Lead-In Wires, And The Like (AREA)
- Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
Abstract
PURPOSE: To make automatic adjustments without requiring the eye appreciation of an operator by forming a white balance requlator of a picture pattern generator, control system unit, screen voltage regulator, and driving voltage regulator.
CONSTITUTION: On the display screen of color Braun tube 10, a fixed picture pattern is displayed by picture pattern generator 33 and control system unit 26 processes output signals, equivalent to three primary colors, obtained by photoelectric detectors 21 and 22 arranged opposite on the display screen of Braun tube 10 to generate signals which vary in a fixed sequence the screen voltages equivalent to respective colors; and screen voltage regulator 31 equalizes each luminescence intensity to a fixed value by the command of control system unit 26 and driving voltage regulator 32 processes the output signals of detectors 21 and 22 to adjust drive voltage gains equivalent to respective colors by the command of control system unit 26, thereby equalizing luminance levels of the three primary colors of fixed video signal values to fixed values.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP53088329A JPS5919510B2 (en) | 1978-07-21 | 1978-07-21 | Color-CRT white balance adjustment device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP53088329A JPS5919510B2 (en) | 1978-07-21 | 1978-07-21 | Color-CRT white balance adjustment device |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5516515A true JPS5516515A (en) | 1980-02-05 |
JPS5919510B2 JPS5919510B2 (en) | 1984-05-07 |
Family
ID=13939836
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP53088329A Expired JPS5919510B2 (en) | 1978-07-21 | 1978-07-21 | Color-CRT white balance adjustment device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5919510B2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0385990A (en) * | 1989-08-30 | 1991-04-11 | Pioneer Electron Corp | Picture quality adjustment system and picture quality adjusting device |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS54105925A (en) * | 1978-02-07 | 1979-08-20 | Matsushita Electric Ind Co Ltd | Automatic white balance adjuster |
-
1978
- 1978-07-21 JP JP53088329A patent/JPS5919510B2/en not_active Expired
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS54105925A (en) * | 1978-02-07 | 1979-08-20 | Matsushita Electric Ind Co Ltd | Automatic white balance adjuster |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0385990A (en) * | 1989-08-30 | 1991-04-11 | Pioneer Electron Corp | Picture quality adjustment system and picture quality adjusting device |
Also Published As
Publication number | Publication date |
---|---|
JPS5919510B2 (en) | 1984-05-07 |
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