EP0085238A3 - Cathode ray tubes - Google Patents

Cathode ray tubes Download PDF

Info

Publication number
EP0085238A3
EP0085238A3 EP82306565A EP82306565A EP0085238A3 EP 0085238 A3 EP0085238 A3 EP 0085238A3 EP 82306565 A EP82306565 A EP 82306565A EP 82306565 A EP82306565 A EP 82306565A EP 0085238 A3 EP0085238 A3 EP 0085238A3
Authority
EP
European Patent Office
Prior art keywords
cathode ray
ray tubes
tubes
cathode
ray
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
EP82306565A
Other versions
EP0085238B1 (en
EP0085238A2 (en
Inventor
Ronald G. Reed
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.)
HP Inc
Original Assignee
Hewlett Packard Co
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 Hewlett Packard Co filed Critical Hewlett Packard Co
Publication of EP0085238A2 publication Critical patent/EP0085238A2/en
Publication of EP0085238A3 publication Critical patent/EP0085238A3/en
Application granted granted Critical
Publication of EP0085238B1 publication Critical patent/EP0085238B1/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
    • H01J29/70—Arrangements for deflecting ray or beam
    • H01J29/72—Arrangements for deflecting ray or beam along one straight line or along two perpendicular straight lines
    • 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
    • H01J31/208—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 using variable penetration depth of the electron beam in the luminescent layer, e.g. penetrons
EP19820306565 1982-01-19 1982-12-09 Penetration cathode ray tubes Expired EP0085238B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US34068382A 1982-01-19 1982-01-19
US340683 1982-01-19

Publications (3)

Publication Number Publication Date
EP0085238A2 EP0085238A2 (en) 1983-08-10
EP0085238A3 true EP0085238A3 (en) 1985-07-17
EP0085238B1 EP0085238B1 (en) 1990-07-11

Family

ID=23334496

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19820306565 Expired EP0085238B1 (en) 1982-01-19 1982-12-09 Penetration cathode ray tubes

Country Status (3)

Country Link
EP (1) EP0085238B1 (en)
JP (1) JPS58126653A (en)
DE (1) DE3280208D1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2255441B (en) * 1991-04-18 1995-06-21 Mitsubishi Electric Corp Cathode-ray tube having alternating electric field reduction device

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2681426A (en) * 1952-03-06 1954-06-15 Motorola Inc Deflection system
US2803781A (en) * 1952-08-13 1957-08-20 Philips Corp Device comprising a cathode-ray tube
FR1550161A (en) * 1966-08-11 1968-12-20
GB1162149A (en) * 1965-12-27 1969-08-20 Polaroid Corp Improvements relating to Electronic Display Systems
FR2091547A5 (en) * 1970-05-14 1972-01-14 Siemens Ag
US3983444A (en) * 1974-07-05 1976-09-28 Tektronix, Inc. Dual beam CRT with inner gun and outer gun shield means for correcting keystone distortion
GB1467812A (en) * 1974-06-14 1977-03-23 Emi Ltd Cahtode ray tubes
US4142133A (en) * 1976-10-20 1979-02-27 Balandin Genrikh D Cathode-ray tube with variable energy of beam electrons

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2890379A (en) * 1956-09-18 1959-06-09 Chromatic Television Lab Inc Distortion correction in cathode-ray tubes
JPS5127726Y2 (en) * 1971-11-30 1976-07-13
JPS49110559U (en) * 1973-01-19 1974-09-20
US4137479A (en) * 1977-01-06 1979-01-30 Tektronix, Inc. Cathode ray tube having an electron lens system including a meshless scan expansion post deflection acceleration lens

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2681426A (en) * 1952-03-06 1954-06-15 Motorola Inc Deflection system
US2803781A (en) * 1952-08-13 1957-08-20 Philips Corp Device comprising a cathode-ray tube
GB1162149A (en) * 1965-12-27 1969-08-20 Polaroid Corp Improvements relating to Electronic Display Systems
FR1550161A (en) * 1966-08-11 1968-12-20
FR2091547A5 (en) * 1970-05-14 1972-01-14 Siemens Ag
GB1467812A (en) * 1974-06-14 1977-03-23 Emi Ltd Cahtode ray tubes
US3983444A (en) * 1974-07-05 1976-09-28 Tektronix, Inc. Dual beam CRT with inner gun and outer gun shield means for correcting keystone distortion
US4142133A (en) * 1976-10-20 1979-02-27 Balandin Genrikh D Cathode-ray tube with variable energy of beam electrons

Also Published As

Publication number Publication date
JPH0360148B2 (en) 1991-09-12
JPS58126653A (en) 1983-07-28
EP0085238B1 (en) 1990-07-11
EP0085238A2 (en) 1983-08-10
DE3280208D1 (en) 1990-08-16

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