JPH0377556U - - Google Patents

Info

Publication number

JPH0377556U

JPH0377556U JP13942889U JP13942889U JPH0377556U JP H0377556 U JPH0377556 U JP H0377556U JP 13942889 U JP13942889 U JP 13942889U JP 13942889 U JP13942889 U JP 13942889U JP H0377556 U JPH0377556 U JP H0377556U

Authority

JP

Japan

Prior art keywords

picture tube

circuit

focus

detection means

focus voltage

Prior art date

1989-11-30

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

• Espacenet
• Global Dossier
• Discuss

• 238000001514 detection method Methods 0.000 claims description 7
• 238000010586 diagram Methods 0.000 description 3