JPH0446308Y2 - - Google Patents

Info

Publication number
JPH0446308Y2
JPH0446308Y2 JP1983038524U JP3852483U JPH0446308Y2 JP H0446308 Y2 JPH0446308 Y2 JP H0446308Y2 JP 1983038524 U JP1983038524 U JP 1983038524U JP 3852483 U JP3852483 U JP 3852483U JP H0446308 Y2 JPH0446308 Y2 JP H0446308Y2
Authority
JP
Japan
Prior art keywords
voltage
astigmatism
focus
control
amplifier
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.)
Expired
Application number
JP1983038524U
Other languages
English (en)
Japanese (ja)
Other versions
JPS59144471U (ja
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 filed Critical
Priority to JP1983038524U priority Critical patent/JPS59144471U/ja
Priority to US06/576,239 priority patent/US4529915A/en
Publication of JPS59144471U publication Critical patent/JPS59144471U/ja
Application granted granted Critical
Publication of JPH0446308Y2 publication Critical patent/JPH0446308Y2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H01J29/46—Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement
    • H01J29/58—Arrangements for focusing or reflecting ray or beam
    • H01J29/62—Electrostatic lenses
    • H01J29/626—Electrostatic lenses producing fields exhibiting periodic axial symmetry, e.g. multipolar fields
    • H01J29/628—Electrostatic lenses producing fields exhibiting periodic axial symmetry, e.g. multipolar fields co-operating with or closely associated to an electron gun
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N3/00—Scanning details of television systems; Combination thereof with generation of supply voltages
    • H04N3/10—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical
    • H04N3/16—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical by deflecting electron beam in cathode-ray tube, e.g. scanning corrections
    • H04N3/26—Modifications of scanning arrangements to improve focusing

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Details Of Television Scanning (AREA)
JP1983038524U 1983-03-18 1983-03-18 陰極線管の焦点制御装置 Granted JPS59144471U (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP1983038524U JPS59144471U (ja) 1983-03-18 1983-03-18 陰極線管の焦点制御装置
US06/576,239 US4529915A (en) 1983-03-18 1984-02-02 CRT Focus control circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1983038524U JPS59144471U (ja) 1983-03-18 1983-03-18 陰極線管の焦点制御装置

Publications (2)

Publication Number Publication Date
JPS59144471U JPS59144471U (ja) 1984-09-27
JPH0446308Y2 true JPH0446308Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1992-10-30

Family

ID=12527659

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1983038524U Granted JPS59144471U (ja) 1983-03-18 1983-03-18 陰極線管の焦点制御装置

Country Status (2)

Country Link
US (1) US4529915A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS59144471U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1327472C (zh) * 2002-04-04 2007-07-18 汤姆森许可公司 用于聚焦栅极的动态聚焦电压

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS526308Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1972-12-22 1977-02-09
US3961223A (en) * 1975-03-04 1976-06-01 United Technologies Corporation Astigmatic focus correction circuit
US4162403A (en) * 1978-07-26 1979-07-24 Advanced Metals Research Corp. Method and means for compensating for charge carrier beam astigmatism
US4249112A (en) * 1979-09-18 1981-02-03 Tektronix, Inc. Dynamic focus and astigmatism correction circuit

Also Published As

Publication number Publication date
US4529915A (en) 1985-07-16
JPS59144471U (ja) 1984-09-27

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