JPS57111934A - Image pickup tube - Google Patents

Image pickup tube

Info

Publication number
JPS57111934A
JPS57111934A JP18800180A JP18800180A JPS57111934A JP S57111934 A JPS57111934 A JP S57111934A JP 18800180 A JP18800180 A JP 18800180A JP 18800180 A JP18800180 A JP 18800180A JP S57111934 A JPS57111934 A JP S57111934A
Authority
JP
Japan
Prior art keywords
deflecting
electric field
electrode
target
electron gun
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
JP18800180A
Other languages
Japanese (ja)
Inventor
Taichi Shino
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 JP18800180A priority Critical patent/JPS57111934A/en
Publication of JPS57111934A publication Critical patent/JPS57111934A/en
Pending 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
    • H01J29/70—Arrangements for deflecting ray or beam
    • H01J29/72—Arrangements for deflecting ray or beam along one straight line or along two perpendicular straight lines
    • H01J29/74—Deflecting by electric fields only

Abstract

PURPOSE:To lesson deflecting aberration and improve shading and picture distortion by rotating an electrostatic deflecting electric field along a tube axis round said axis between the end of a deflecting electrode of an electron gun and a mesh target. CONSTITUTION:In an electrode construction of an electron gun 1, a deflecting electrode is shielded in an area L1 from an aperture 2 to both electrode ends of the electron gun, and a deflecting electric field is nearly zero. At the end of a deflecting electrode 4, there is an area L2 where a deflecting electric field is practically zero between an electrode end part 5 and a mesh electrode. Only a strong decelerating electric field is present but no deflecting electric field is present between the mesh electrode 6 and a target 7. Therefore, the deflecting electric field constitutes a rotating electric field in connection with a formula. In the same as an ideal operating theory of an electromagnetic focusing and an electrostatic deflection by a duplicated field of a magnetic field and an electric field, electrons emitted from an aperture of a pickup tube are focussed on a target without aberration and can be landed virtically.
JP18800180A 1980-12-29 1980-12-29 Image pickup tube Pending JPS57111934A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP18800180A JPS57111934A (en) 1980-12-29 1980-12-29 Image pickup tube

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18800180A JPS57111934A (en) 1980-12-29 1980-12-29 Image pickup tube

Publications (1)

Publication Number Publication Date
JPS57111934A true JPS57111934A (en) 1982-07-12

Family

ID=16215897

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18800180A Pending JPS57111934A (en) 1980-12-29 1980-12-29 Image pickup tube

Country Status (1)

Country Link
JP (1) JPS57111934A (en)

Similar Documents

Publication Publication Date Title
JPS57206173A (en) Focusing deflecting device for charged corpuscule beam
BR8705002A (en) COLOR DISPLAY SYSTEM, AND CATHODIC RAYS TUBE
US4329618A (en) Horizontal deflection enhancement for kinescopes
ES487233A1 (en) Magnetic electron lens for cathode-ray tube.
JPS56116256A (en) Flat cathode ray tube
JPS57111934A (en) Image pickup tube
US2248558A (en) Television tube
GB2077032A (en) System for enhancing deflection in cathode ray tubes
US4570100A (en) Flat-type cathode ray tube having electrostatic and electromagnetic deflection systems
JPH0319664B2 (en)
JPS54133070A (en) Constituent for electron gun
GB507414A (en) Improvements in television or like transmitting cathode-ray tubes
GB540034A (en) Improvements in cathode ray tubes
JPS57126047A (en) Color cathode-ray tube
GB1182459A (en) Method of Electronic Image Conversion
JPS57128439A (en) Electron gun and cathode-ray tube
JPS6048858B2 (en) cathode ray tube electron gun
JPS5652854A (en) Electrostatic focusing type image receiving tube and its manufacturing method
JPS5749150A (en) Electromagnetic focussing cathode-ray tube
US3599025A (en) Image orthicon with magnetic focus
JPS53136476A (en) Electrode constituent of electron gun for color cathode ray tube
Kuehne et al. An Electrostatically Focused Vidicon
JPS6029799Y2 (en) Electrostatic deflection storage tube
JPS5758488A (en) Color picture tube
EP0027037A3 (en) Television camera tube with electrostatic focusing and magnetic deflection