AT287800B - cathode ray tube - Google Patents

cathode ray tube

Info

Publication number
AT287800B
AT287800B AT1235568A AT1235568A AT287800B AT 287800 B AT287800 B AT 287800B AT 1235568 A AT1235568 A AT 1235568A AT 1235568 A AT1235568 A AT 1235568A AT 287800 B AT287800 B AT 287800B
Authority
AT
Austria
Prior art keywords
ray tube
cathode ray
cathode
tube
ray
Prior art date
Application number
AT1235568A
Other languages
German (de)
Original Assignee
Philips Nv
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 Philips Nv filed Critical Philips Nv
Application granted granted Critical
Publication of AT287800B publication Critical patent/AT287800B/en

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J31/00—Cathode ray tubes; Electron beam tubes
    • H01J31/08—Cathode ray tubes; Electron beam tubes having a screen on or from which an image or pattern is formed, picked up, converted, or stored
    • H01J31/10—Image or pattern display tubes, i.e. having electrical input and optical output; Flying-spot tubes for scanning purposes
    • H01J31/20—Image or pattern display tubes, i.e. having electrical input and optical output; Flying-spot tubes for scanning purposes for displaying images or patterns in two or more colours
    • 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
    • H01J29/56—Arrangements for controlling cross-section of ray or beam; Arrangements for correcting aberration of beam, e.g. due to lenses
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/16—Picture reproducers using cathode ray tubes
    • H04N9/22—Picture reproducers using cathode ray tubes using the same beam for more than one primary colour information
    • H04N9/24—Picture reproducers using cathode ray tubes using the same beam for more than one primary colour information using means, integral with, or external to, the tube, for producing signal indicating instantaneous beam position
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2231/00—Cathode ray tubes or electron beam tubes
    • H01J2231/12—CRTs having luminescent screens
    • H01J2231/121—Means for indicating the position of the beam, e.g. beam indexing
AT1235568A 1967-12-22 1968-12-19 cathode ray tube AT287800B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL6717635A NL6717635A (en) 1967-12-22 1967-12-22

Publications (1)

Publication Number Publication Date
AT287800B true AT287800B (en) 1971-02-10

Family

ID=19802088

Family Applications (1)

Application Number Title Priority Date Filing Date
AT1235568A AT287800B (en) 1967-12-22 1968-12-19 cathode ray tube

Country Status (7)

Country Link
US (1) US3524094A (en)
AT (1) AT287800B (en)
BE (1) BE725860A (en)
DE (1) DE1812023A1 (en)
FR (1) FR1601888A (en)
GB (1) GB1226886A (en)
NL (1) NL6717635A (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3852608A (en) * 1971-03-22 1974-12-03 Philips Corp Cathode-ray tube having an astigmatic lens element in its electron gun
NL7208728A (en) * 1971-07-28 1973-12-28
NL7203931A (en) * 1972-03-24 1973-09-26
US4399388A (en) * 1980-10-16 1983-08-16 Tokyo Shibaura Denki Kabushiki Kaisha Picture tube with an electron gun having non-circular aperture
NL8500955A (en) * 1985-04-01 1986-11-03 Philips Nv IMAGE RECORDING DEVICE AND TELEVISION ROOM TUBE.
KR970068772A (en) * 1996-03-19 1997-10-13 윤종용 Beam index tube
US6479937B2 (en) 2001-03-13 2002-11-12 Chunghwa Picture Tubes, Ltd. Multi-beam index CRT with horizontal phosphor lines
US6377003B1 (en) 2001-04-16 2002-04-23 Chungwa Picture Tubes, Ltd. Multi-beam group electron gun for beam index CRT
US6815881B2 (en) * 2002-02-11 2004-11-09 Chunghwa Picture Tubes, Ltd. Color CRT electron gun with progressively reduced electron beam passing aperture size
US6674228B2 (en) 2002-04-04 2004-01-06 Chunghwa Pictures Tubes, Ltd. Multi-layer common lens arrangement for main focus lens of multi-beam electron gun

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL110569C (en) * 1954-02-09

Also Published As

Publication number Publication date
DE1812023A1 (en) 1969-07-31
FR1601888A (en) 1970-09-21
NL6717635A (en) 1969-06-24
US3524094A (en) 1970-08-11
GB1226886A (en) 1971-03-31
BE725860A (en) 1969-06-20

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee