CA1132649A - Crt having low voltage focus and dynamic correction - Google Patents

Crt having low voltage focus and dynamic correction

Info

Publication number
CA1132649A
CA1132649A CA320,478A CA320478A CA1132649A CA 1132649 A CA1132649 A CA 1132649A CA 320478 A CA320478 A CA 320478A CA 1132649 A CA1132649 A CA 1132649A
Authority
CA
Canada
Prior art keywords
lens
discharge device
crossover
screen
electron discharge
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
CA320,478A
Other languages
English (en)
French (fr)
Inventor
Kenneth W. Hawken
Bozidar Janko
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.)
Tektronix Inc
Original Assignee
Tektronix Inc
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 Tektronix Inc filed Critical Tektronix Inc
Application granted granted Critical
Publication of CA1132649A publication Critical patent/CA1132649A/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
    • H01J29/46—Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement
    • H01J29/58—Arrangements for focusing or reflecting ray or beam
    • H01J29/62—Electrostatic lenses
    • H01J29/622—Electrostatic lenses producing fields exhibiting symmetry of revolution
    • H01J29/624—Electrostatic lenses producing fields exhibiting symmetry of revolution co-operating with or closely associated to an electron gun
    • 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

Landscapes

  • Details Of Television Scanning (AREA)
  • Video Image Reproduction Devices For Color Tv Systems (AREA)
  • Transforming Electric Information Into Light Information (AREA)
  • Cathode-Ray Tubes And Fluorescent Screens For Display (AREA)
CA320,478A 1978-02-15 1979-01-30 Crt having low voltage focus and dynamic correction Expired CA1132649A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US87804278A 1978-02-15 1978-02-15
US878,042 1978-02-15

Publications (1)

Publication Number Publication Date
CA1132649A true CA1132649A (en) 1982-09-28

Family

ID=25371251

Family Applications (1)

Application Number Title Priority Date Filing Date
CA320,478A Expired CA1132649A (en) 1978-02-15 1979-01-30 Crt having low voltage focus and dynamic correction

Country Status (6)

Country Link
JP (1) JPS54122085A (xx)
CA (1) CA1132649A (xx)
DE (1) DE2905479C2 (xx)
FR (1) FR2417850A1 (xx)
GB (1) GB2015195A (xx)
NL (1) NL7901041A (xx)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4277722A (en) * 1978-02-15 1981-07-07 Tektronix, Inc. Cathode ray tube having low voltage focus and dynamic correction
JPH0719541B2 (ja) * 1985-04-30 1995-03-06 株式会社日立製作所 インライン型カラー受像管

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE430157A (xx) *
GB495707A (en) * 1937-04-17 1938-11-17 Frederick Hermes Nicoll Improvements in or relating to focussing systems for use in electric discharge tubes
US2252441A (en) * 1937-04-26 1941-08-12 Loewe Opta Gmbh Sharp-edge deflection
GB505751A (en) * 1937-09-13 1939-05-15 Frederick Hermes Nicoll Improvements in or relating to cathode ray tubes
US3023336A (en) * 1957-10-25 1962-02-27 Tektronix Inc Cathode ray tube having post acceleration
NL253491A (xx) * 1959-07-07
DE1439720B2 (de) * 1964-08-27 1976-04-08 Telefunken Patentverwertungsgesellschaft Mbh, 7900 Ulm Kathodenstrahlroehre mit ablenkmitteln
JPS4811664B1 (xx) * 1965-04-26 1973-04-14
GB1204314A (en) * 1966-09-21 1970-09-03 Atomic Energy Authority Uk Improvements in or relating to nuclear reactors
US3622836A (en) * 1968-03-25 1971-11-23 Eastman Kodak Co Deflection amplifier with dynamic focus control
JPS5743972B1 (xx) * 1971-02-05 1982-09-18
BE785749A (fr) * 1971-07-02 1973-01-02 Philips Nv Tube de camera de television (vidicon) dans lequel on contrecarre l'influence defavorable du faisceau de retour
FR2166165B1 (xx) * 1971-12-30 1976-10-29 Hitachi Ltd
JPS5543660Y2 (xx) * 1972-04-12 1980-10-14
FR2201536B1 (xx) * 1972-09-26 1976-08-13 Thomson Csf

Also Published As

Publication number Publication date
JPS54122085A (en) 1979-09-21
DE2905479C2 (de) 1984-12-13
JPS6238822B2 (xx) 1987-08-19
GB2015195A (en) 1979-09-05
FR2417850A1 (fr) 1979-09-14
DE2905479A1 (de) 1979-08-16
NL7901041A (nl) 1979-08-17
FR2417850B1 (xx) 1981-10-09

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Legal Events

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