EP0427235A3 - Color cathode ray tube apparatus and method for driving the same - Google Patents

Color cathode ray tube apparatus and method for driving the same Download PDF

Info

Publication number
EP0427235A3
EP0427235A3 EP19900121309 EP90121309A EP0427235A3 EP 0427235 A3 EP0427235 A3 EP 0427235A3 EP 19900121309 EP19900121309 EP 19900121309 EP 90121309 A EP90121309 A EP 90121309A EP 0427235 A3 EP0427235 A3 EP 0427235A3
Authority
EP
European Patent Office
Prior art keywords
driving
same
ray tube
cathode ray
color cathode
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.)
Granted
Application number
EP19900121309
Other versions
EP0427235B1 (en
EP0427235A2 (en
Inventor
Kiyoshi C/O Intellectual Property Div. Tokita
Takeshi C/O Intellectual Property Div. Fujiwara
Shinpei C/O Intellectual Property Div. Koshigoe
Takahiro C/O Intellectual Property Div. Hasegawa
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
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
Priority claimed from JP2272247A external-priority patent/JPH03225733A/en
Application filed by Toshiba Corp filed Critical Toshiba Corp
Publication of EP0427235A2 publication Critical patent/EP0427235A2/en
Publication of EP0427235A3 publication Critical patent/EP0427235A3/en
Application granted granted Critical
Publication of EP0427235B1 publication Critical patent/EP0427235B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H01J29/48—Electron guns
    • H01J29/50—Electron guns two or more guns in a single vacuum space, e.g. for plural-ray tube
    • H01J29/503—Three or more guns, the axes of which lay in a common plane
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2229/00—Details of cathode ray tubes or electron beam tubes
    • H01J2229/48—Electron guns
    • H01J2229/4834—Electrical arrangements coupled to electrodes, e.g. potentials
    • H01J2229/4837—Electrical arrangements coupled to electrodes, e.g. potentials characterised by the potentials applied
    • H01J2229/4841—Dynamic potentials
EP90121309A 1989-11-09 1990-11-07 Color cathode ray tube apparatus and method for driving the same Expired - Lifetime EP0427235B1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP28997089 1989-11-09
JP289970/89 1989-11-09
JP2272247A JPH03225733A (en) 1989-11-09 1990-10-12 Cathode ray tube device and its driving
JP272247/90 1990-10-12

Publications (3)

Publication Number Publication Date
EP0427235A2 EP0427235A2 (en) 1991-05-15
EP0427235A3 true EP0427235A3 (en) 1991-09-25
EP0427235B1 EP0427235B1 (en) 1996-01-31

Family

ID=26550099

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90121309A Expired - Lifetime EP0427235B1 (en) 1989-11-09 1990-11-07 Color cathode ray tube apparatus and method for driving the same

Country Status (2)

Country Link
EP (1) EP0427235B1 (en)
DE (1) DE69025126T2 (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4742279A (en) * 1986-01-21 1988-05-03 U.S. Philips Corporation Color display tube with reduced deflection defocussing
US4877998A (en) * 1988-10-27 1989-10-31 Rca Licensing Corp. Color display system having an electron gun with dual electrode modulation

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4742279A (en) * 1986-01-21 1988-05-03 U.S. Philips Corporation Color display tube with reduced deflection defocussing
US4877998A (en) * 1988-10-27 1989-10-31 Rca Licensing Corp. Color display system having an electron gun with dual electrode modulation

Also Published As

Publication number Publication date
DE69025126D1 (en) 1996-03-14
DE69025126T2 (en) 1996-06-05
EP0427235B1 (en) 1996-01-31
EP0427235A2 (en) 1991-05-15

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