GB9225835D0 - Cathode ray tube display apparatus with improved beam current control - Google Patents

Cathode ray tube display apparatus with improved beam current control

Info

Publication number
GB9225835D0
GB9225835D0 GB929225835A GB9225835A GB9225835D0 GB 9225835 D0 GB9225835 D0 GB 9225835D0 GB 929225835 A GB929225835 A GB 929225835A GB 9225835 A GB9225835 A GB 9225835A GB 9225835 D0 GB9225835 D0 GB 9225835D0
Authority
GB
United Kingdom
Prior art keywords
display apparatus
ray tube
current control
cathode ray
beam current
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.)
Withdrawn
Application number
GB929225835A
Other versions
GB2273425A (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.)
International Business Machines Corp
Original Assignee
International Business Machines 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 International Business Machines Corp filed Critical International Business Machines Corp
Priority to GB9225835A priority Critical patent/GB2273425A/en
Publication of GB9225835D0 publication Critical patent/GB9225835D0/en
Publication of GB2273425A publication Critical patent/GB2273425A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
    • H04N5/57—Control of contrast or brightness
    • H04N5/59—Control of contrast or brightness in dependence upon beam current of cathode ray tube

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Television Receiver Circuits (AREA)
GB9225835A 1992-12-10 1992-12-10 Cathode ray tube display with improved beam current control. Withdrawn GB2273425A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9225835A GB2273425A (en) 1992-12-10 1992-12-10 Cathode ray tube display with improved beam current control.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9225835A GB2273425A (en) 1992-12-10 1992-12-10 Cathode ray tube display with improved beam current control.

Publications (2)

Publication Number Publication Date
GB9225835D0 true GB9225835D0 (en) 1993-02-03
GB2273425A GB2273425A (en) 1994-06-15

Family

ID=10726421

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9225835A Withdrawn GB2273425A (en) 1992-12-10 1992-12-10 Cathode ray tube display with improved beam current control.

Country Status (1)

Country Link
GB (1) GB2273425A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69333238D1 (en) * 1992-11-17 2003-11-13 Koninkl Philips Electronics Nv Display device with a correction circuit and correction circuit for use in such an arrangement
KR970005942B1 (en) * 1994-09-16 1997-04-22 엘지전자 주식회사 Automatic modification apparatus for contrast in a monitor

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4137552A (en) * 1977-05-05 1979-01-30 Rca Corporation Automatic beam current limiter with independently determined threshold level and dynamic control range
GB2035019B (en) * 1978-10-12 1982-12-15 Rca Corp Kinescope beam current limiter
US4253110A (en) * 1979-12-14 1981-02-24 Rca Corporation Automatic kinescope beam current limiter with sequential control modes

Also Published As

Publication number Publication date
GB2273425A (en) 1994-06-15

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)