DE3854506D1 - Color picture tube with a three-lens electron gun. - Google Patents

Color picture tube with a three-lens electron gun.

Info

Publication number
DE3854506D1
DE3854506D1 DE3854506T DE3854506T DE3854506D1 DE 3854506 D1 DE3854506 D1 DE 3854506D1 DE 3854506 T DE3854506 T DE 3854506T DE 3854506 T DE3854506 T DE 3854506T DE 3854506 D1 DE3854506 D1 DE 3854506D1
Authority
DE
Germany
Prior art keywords
electron gun
picture tube
color picture
lens electron
lens
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 - Fee Related
Application number
DE3854506T
Other languages
German (de)
Other versions
DE3854506T2 (en
Inventor
David Arthur New
Loren Lee Maninger
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.)
RCA Licensing Corp
Original Assignee
RCA Licensing 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 GB878700793A external-priority patent/GB8700793D0/en
Priority claimed from GB878700792A external-priority patent/GB8700792D0/en
Priority claimed from US07/128,951 external-priority patent/US4764704A/en
Application filed by RCA Licensing Corp filed Critical RCA Licensing Corp
Publication of DE3854506D1 publication Critical patent/DE3854506D1/en
Application granted granted Critical
Publication of DE3854506T2 publication Critical patent/DE3854506T2/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H01J2229/4844—Electron guns characterised by beam passing apertures or combinations
    • H01J2229/4848—Aperture shape as viewed along beam axis
    • H01J2229/4872—Aperture shape as viewed along beam axis circular
    • 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
    • H01J2229/4844—Electron guns characterised by beam passing apertures or combinations
    • H01J2229/4848—Aperture shape as viewed along beam axis
    • H01J2229/4896—Aperture shape as viewed along beam axis complex and not provided for
DE3854506T 1987-01-14 1988-01-13 Color picture tube with a three-lens electron gun. Expired - Fee Related DE3854506T2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB878700793A GB8700793D0 (en) 1987-01-14 1987-01-14 Db-xl gun design
GB878700792A GB8700792D0 (en) 1987-01-14 1987-01-14 Qpf-xl gun design
US07/128,951 US4764704A (en) 1987-01-14 1987-12-04 Color cathode-ray tube having a three-lens electron gun

Publications (2)

Publication Number Publication Date
DE3854506D1 true DE3854506D1 (en) 1995-11-02
DE3854506T2 DE3854506T2 (en) 1996-04-04

Family

ID=27263286

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3854506T Expired - Fee Related DE3854506T2 (en) 1987-01-14 1988-01-13 Color picture tube with a three-lens electron gun.

Country Status (3)

Country Link
EP (1) EP0275191B1 (en)
JP (1) JPH0748354B2 (en)
DE (1) DE3854506T2 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4877998A (en) * 1988-10-27 1989-10-31 Rca Licensing Corp. Color display system having an electron gun with dual electrode modulation
CA2039501C (en) * 1990-04-16 1999-02-02 Loren Lee Maninger Color picture tube having inline electron gun with focus adjustement means
JP3576217B2 (en) * 1993-09-30 2004-10-13 株式会社東芝 Picture tube device
KR100386182B1 (en) * 1994-10-24 2004-02-25 소니 가부시끼 가이샤 Electron gun of cathode ray tube and manufacturing method of cathode ray tube

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL219031A (en) * 1956-09-07
JPS54120581A (en) * 1978-03-13 1979-09-19 Toshiba Corp Electron gun for color picture tube of in-line type
US4620133A (en) * 1982-01-29 1986-10-28 Rca Corporation Color image display systems
JPS598246A (en) * 1982-07-05 1984-01-17 Toshiba Corp Electron gun
NL8203322A (en) * 1982-08-25 1984-03-16 Philips Nv COLOR IMAGE TUBE.
NL8600117A (en) * 1986-01-21 1987-08-17 Philips Nv COLOR IMAGE TUBE WITH REDUCED DEFLECTION DEFOCUSING.
JPS63158732A (en) * 1986-12-22 1988-07-01 Toshiba Corp Color cathode-ray tube device
JPH06174246A (en) * 1991-03-29 1994-06-24 Matsushita Seiko Co Ltd Air curtain device for air conditioner

Also Published As

Publication number Publication date
DE3854506T2 (en) 1996-04-04
EP0275191A3 (en) 1989-06-07
JPH0748354B2 (en) 1995-05-24
JPS63198241A (en) 1988-08-16
EP0275191A2 (en) 1988-07-20
EP0275191B1 (en) 1995-09-27

Similar Documents

Publication Publication Date Title
DE68916283D1 (en) Electron gun for color picture tubes.
DE69017350D1 (en) Color cathode ray tube.
DE3880536T2 (en) COLOR IMAGE TUBES WITH SHADOW MASK.
DE3851987T2 (en) Color picture tube with inline electron gun and a single lens.
DE3852978T2 (en) Color cathode ray tube with an inline electron gun.
IT8467507A1 (en) Electron gun for color kinescope.
DE3882408T2 (en) Electron gun for a color picture tube.
DE68927720T2 (en) Electron gun for a color picture tube
DE3851803D1 (en) Color picture tube with inline electron gun and a single lens.
DE3864533D1 (en) Cathode ray tubes with a hole mask for weak over-deflection.
DE3576761D1 (en) FLAT COLOR CATHODE RAY TUBE.
DE69012503T2 (en) Color cathode ray tube.
DE3761720D1 (en) COLOR IMAGE TUBES WITH A DEFLECTING UNIT WITH IMAGE ADJUSTING AGENTS.
DE3854506T2 (en) Color picture tube with a three-lens electron gun.
DE3784653D1 (en) IMAGE DISPLAY DEVICE WITH A FLAT CATHODE RAY TUBE.
DE69200815D1 (en) Color cathode ray tube.
DE68906441T2 (en) Electron gun for color picture tubes.
DE69022810T2 (en) Color gun with electron gun with reduced convergence change.
DE69018520D1 (en) Color cathode ray tube.
DE3762180D1 (en) IN-LINE COLOR IMAGE TUBES WITH A COMACORRECTION.
DE3676879D1 (en) COLOR TELEVISION TUBES WITH A COMACORRECTION.
DE69021628T2 (en) Color picture tube with an electron gun with an electrode, which has an optimized fastening device.
DE69130917D1 (en) Color picture tube with in-line electron gun
DE3885808D1 (en) Tube for colored pictures with electron tubes and a single lens.
DE69405677D1 (en) Color picture tube with a magnetic shield

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Free format text: WOERDEMANN, H., DIPL.-ING., PAT.-ANW., 31787 HAMELN

8320 Willingness to grant licences declared (paragraph 23)
8339 Ceased/non-payment of the annual fee