CA937973A - Cathode-ray tube having indexing strips on the screen for determining the position of the electron beam - Google Patents

Cathode-ray tube having indexing strips on the screen for determining the position of the electron beam

Info

Publication number
CA937973A
CA937973A CA130495A CA130495A CA937973A CA 937973 A CA937973 A CA 937973A CA 130495 A CA130495 A CA 130495A CA 130495 A CA130495 A CA 130495A CA 937973 A CA937973 A CA 937973A
Authority
CA
Canada
Prior art keywords
cathode
screen
determining
electron beam
ray tube
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
CA130495A
Other versions
CA130495S (en
Inventor
M. Van Den Avoort Pieter
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken 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 Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of CA937973A publication Critical patent/CA937973A/en
Expired 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
    • H01J29/02—Electrodes; Screens; Mounting, supporting, spacing or insulating thereof
    • H01J29/10—Screens on or from which an image or pattern is formed, picked up, converted or stored
    • H01J29/18—Luminescent screens
    • H01J29/30—Luminescent screens with luminescent material discontinuously arranged, e.g. in dots, in lines
    • H01J29/32—Luminescent screens with luminescent material discontinuously arranged, e.g. in dots, in lines with adjacent dots or lines of different luminescent material, e.g. for colour television
    • H01J29/325—Luminescent screens with luminescent material discontinuously arranged, e.g. in dots, in lines with adjacent dots or lines of different luminescent material, e.g. for colour television with adjacent lines
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
    • G03C5/00—Photographic processes or agents therefor; Regeneration of such processing agents
    • G03C5/16—X-ray, infrared, or ultraviolet ray processes
    • 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
CA130495A 1970-12-29 1971-12-20 Cathode-ray tube having indexing strips on the screen for determining the position of the electron beam Expired CA937973A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7018913A NL7018913A (en) 1970-12-29 1970-12-29

Publications (1)

Publication Number Publication Date
CA937973A true CA937973A (en) 1973-12-04

Family

ID=19811908

Family Applications (1)

Application Number Title Priority Date Filing Date
CA130495A Expired CA937973A (en) 1970-12-29 1971-12-20 Cathode-ray tube having indexing strips on the screen for determining the position of the electron beam

Country Status (7)

Country Link
US (1) US3767954A (en)
BE (1) BE777414A (en)
CA (1) CA937973A (en)
DE (1) DE2159700A1 (en)
FR (1) FR2131305A5 (en)
GB (1) GB1331550A (en)
NL (1) NL7018913A (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5927069B2 (en) * 1977-03-28 1984-07-03 株式会社東芝 Index scalar picture tube
JPS5757454A (en) * 1980-09-22 1982-04-06 Yokogawa Hokushin Electric Corp Cathode ray display tube for color print
JPS5765651A (en) * 1980-10-07 1982-04-21 Sanyo Electric Co Ltd Beam index type color picture tube
CA1267684A (en) * 1985-09-12 1990-04-10 Hiroshi Kato Beam-index type color cathode ray tube device
GB8707975D0 (en) * 1987-04-03 1987-05-07 Philips Nv Colour cathode ray tube
WO2003021628A1 (en) * 2001-09-06 2003-03-13 Koninklijke Philips Electronics N.V. Tracking tube with adapted tracking structure

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2774908A (en) * 1955-03-30 1956-12-18 Rca Corp Cathode-ray tubes of the feed-back variety
US2790107A (en) * 1955-04-04 1957-04-23 Philco Corp Indexing strip structure for cathode ray tubes
US3248218A (en) * 1961-06-09 1966-04-26 Rca Corp Variable density layers of particles and method of preparing them

Also Published As

Publication number Publication date
DE2159700A1 (en) 1972-07-27
NL7018913A (en) 1972-07-03
BE777414A (en) 1972-06-28
GB1331550A (en) 1973-09-26
FR2131305A5 (en) 1972-11-10
US3767954A (en) 1973-10-23

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