JPS5255822A - Focus voltage adjusting method - Google Patents
Focus voltage adjusting methodInfo
- Publication number
- JPS5255822A JPS5255822A JP50132603A JP13260375A JPS5255822A JP S5255822 A JPS5255822 A JP S5255822A JP 50132603 A JP50132603 A JP 50132603A JP 13260375 A JP13260375 A JP 13260375A JP S5255822 A JPS5255822 A JP S5255822A
- Authority
- JP
- Japan
- Prior art keywords
- adjusting method
- voltage adjusting
- focus voltage
- bright
- areas
- 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.)
- Pending
Links
Landscapes
- Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
Abstract
PURPOSE: The pattern containing dark and bright areas is projrected onto CRT picture area, and the luminance measurement is carried out only at the range more than the average luminance of thse bright and dark areas. The best focusing can be secured through adjustment to obtain the maximum luminance value.
COPYRIGHT: (C)1977,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50132603A JPS5255822A (en) | 1975-11-04 | 1975-11-04 | Focus voltage adjusting method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50132603A JPS5255822A (en) | 1975-11-04 | 1975-11-04 | Focus voltage adjusting method |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5255822A true JPS5255822A (en) | 1977-05-07 |
Family
ID=15085186
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP50132603A Pending JPS5255822A (en) | 1975-11-04 | 1975-11-04 | Focus voltage adjusting method |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5255822A (en) |
-
1975
- 1975-11-04 JP JP50132603A patent/JPS5255822A/en active Pending
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