JPS5255822A - Focus voltage adjusting method - Google Patents

Focus voltage adjusting method

Info

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
Application number
JP50132603A
Other languages
Japanese (ja)
Inventor
Norio Kawaguchi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP50132603A priority Critical patent/JPS5255822A/en
Publication of JPS5255822A publication Critical patent/JPS5255822A/en
Pending legal-status Critical Current

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
JP50132603A 1975-11-04 1975-11-04 Focus voltage adjusting method Pending JPS5255822A (en)

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)

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