CA979475A - Focus-grill cathode-ray tube image reproducer modulation with grill voltage - Google Patents

Focus-grill cathode-ray tube image reproducer modulation with grill voltage

Info

Publication number
CA979475A
CA979475A CA173,070A CA173070A CA979475A CA 979475 A CA979475 A CA 979475A CA 173070 A CA173070 A CA 173070A CA 979475 A CA979475 A CA 979475A
Authority
CA
Canada
Prior art keywords
grill
focus
cathode
modulation
voltage
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
CA173,070A
Other languages
English (en)
Other versions
CA173070S (en
Inventor
Francis J. Campbell
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 Corp
Original Assignee
RCA 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
Application filed by RCA Corp filed Critical RCA Corp
Application granted granted Critical
Publication of CA979475A publication Critical patent/CA979475A/en
Expired legal-status Critical Current

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
    • H01J31/201—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 a colour-selection electrode
CA173,070A 1972-06-28 1973-06-04 Focus-grill cathode-ray tube image reproducer modulation with grill voltage Expired CA979475A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US26706372A 1972-06-28 1972-06-28

Publications (1)

Publication Number Publication Date
CA979475A true CA979475A (en) 1975-12-09

Family

ID=23017166

Family Applications (1)

Application Number Title Priority Date Filing Date
CA173,070A Expired CA979475A (en) 1972-06-28 1973-06-04 Focus-grill cathode-ray tube image reproducer modulation with grill voltage

Country Status (7)

Country Link
US (1) US3790845A (US07321065-20080122-C00020.png)
JP (1) JPS529973B2 (US07321065-20080122-C00020.png)
CA (1) CA979475A (US07321065-20080122-C00020.png)
FR (1) FR2191256B1 (US07321065-20080122-C00020.png)
GB (1) GB1430119A (US07321065-20080122-C00020.png)
IT (1) IT987363B (US07321065-20080122-C00020.png)
SU (1) SU507266A3 (US07321065-20080122-C00020.png)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL81598C (US07321065-20080122-C00020.png) * 1951-05-02
US3416026A (en) * 1963-08-19 1968-12-10 Sony Corp Cathode ray tube
US3586900A (en) * 1966-03-28 1971-06-22 Hitachi Ltd Color tube having shadow mask lens electrode
US3651370A (en) * 1968-07-19 1972-03-21 Rikagaku Kenkyusho Hirowasa Charged-particle-beam focusing and deflecting system utilizing a plurality of electronic lenses for focusing the beam

Also Published As

Publication number Publication date
DE2332942B2 (de) 1976-02-19
FR2191256B1 (US07321065-20080122-C00020.png) 1977-02-18
US3790845A (en) 1974-02-05
IT987363B (it) 1975-02-20
FR2191256A1 (US07321065-20080122-C00020.png) 1974-02-01
GB1430119A (en) 1976-03-31
DE2332942A1 (de) 1974-01-17
SU507266A3 (ru) 1976-03-15
JPS529973B2 (US07321065-20080122-C00020.png) 1977-03-19
JPS4952963A (US07321065-20080122-C00020.png) 1974-05-23

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