GB1311763A - Circuit for controlling the brightness of the scanning spot in a cathode ray tube - Google Patents

Circuit for controlling the brightness of the scanning spot in a cathode ray tube

Info

Publication number
GB1311763A
GB1311763A GB2487870A GB2487870A GB1311763A GB 1311763 A GB1311763 A GB 1311763A GB 2487870 A GB2487870 A GB 2487870A GB 2487870 A GB2487870 A GB 2487870A GB 1311763 A GB1311763 A GB 1311763A
Authority
GB
United Kingdom
Prior art keywords
circuit
arrangement
function
pulses
produce
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
GB2487870A
Other languages
English (en)
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.)
Iwatsu Electric Co Ltd
Original Assignee
Iwatsu Electric Co Ltd
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
Priority claimed from JP4683369A external-priority patent/JPS492845B1/ja
Application filed by Iwatsu Electric Co Ltd filed Critical Iwatsu Electric Co Ltd
Publication of GB1311763A publication Critical patent/GB1311763A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R13/00—Arrangements for displaying electric variables or waveforms
    • G01R13/20—Cathode-ray oscilloscopes
    • G01R13/22—Circuits therefor
    • G01R13/26—Circuits for controlling the intensity of the electron beam or the colour of the display
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N3/00—Scanning details of television systems; Combination thereof with generation of supply voltages
    • H04N3/10—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical
    • H04N3/16—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical by deflecting electron beam in cathode-ray tube, e.g. scanning corrections
    • H04N3/20—Prevention of damage to cathode-ray tubes in the event of failure of scanning

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Details Of Television Scanning (AREA)
  • Transforming Electric Information Into Light Information (AREA)
  • Video Image Reproduction Devices For Color Tv Systems (AREA)
GB2487870A 1969-06-16 1970-05-22 Circuit for controlling the brightness of the scanning spot in a cathode ray tube Expired GB1311763A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP4683369A JPS492845B1 (enrdf_load_stackoverflow) 1969-06-16 1969-06-16
JP6038169 1969-08-01

Publications (1)

Publication Number Publication Date
GB1311763A true GB1311763A (en) 1973-03-28

Family

ID=26386967

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2487870A Expired GB1311763A (en) 1969-06-16 1970-05-22 Circuit for controlling the brightness of the scanning spot in a cathode ray tube

Country Status (3)

Country Link
US (1) US3714502A (enrdf_load_stackoverflow)
DE (1) DE2029805B2 (enrdf_load_stackoverflow)
GB (1) GB1311763A (enrdf_load_stackoverflow)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT979248B (it) * 1972-02-28 1974-09-30 Licentia Gmbh Disposizione circuitale per un cinescopio a raggi catodici re gistrante simboli per la produ zione di un flusso energetico proporzionale alla velocita di deviazione
US3963961A (en) * 1974-12-23 1976-06-15 United Technologies Corporation Cathode ray tube phosphor protection circuit
US4755726A (en) * 1986-09-02 1988-07-05 Tektronix, Inc. XY display transition intensifier

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3004187A (en) * 1960-02-11 1961-10-10 Hughes Aircraft Co Cathode ray tube intensity control system
US3191090A (en) * 1962-07-17 1965-06-22 Hughes Aircraft Co Electron beam uniform intensity control circuit
US3325803A (en) * 1964-10-01 1967-06-13 Ibm Deflection control circuit
US3502937A (en) * 1968-11-12 1970-03-24 Minnesota Mining & Mfg Electron beam image intensity control

Also Published As

Publication number Publication date
DE2029805A1 (enrdf_load_stackoverflow) 1971-02-04
DE2029805B2 (de) 1972-02-24
US3714502A (en) 1973-01-30

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee