GB2274535B - grey-scale large screen display - Google Patents

grey-scale large screen display

Info

Publication number
GB2274535B
GB2274535B GB9301509A GB9301509A GB2274535B GB 2274535 B GB2274535 B GB 2274535B GB 9301509 A GB9301509 A GB 9301509A GB 9301509 A GB9301509 A GB 9301509A GB 2274535 B GB2274535 B GB 2274535B
Authority
GB
United Kingdom
Prior art keywords
grey
screen display
large screen
scale large
scale
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 - Fee Related
Application number
GB9301509A
Other versions
GB9301509D0 (en
GB2274535A (en
Inventor
Peng Seng Toh
Wee Leng Goh
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB9301509A priority Critical patent/GB2274535B/en
Publication of GB9301509D0 publication Critical patent/GB9301509D0/en
Publication of GB2274535A publication Critical patent/GB2274535A/en
Application granted granted Critical
Publication of GB2274535B publication Critical patent/GB2274535B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
    • G09G3/24—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using incandescent filaments
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/2007—Display of intermediate tones
    • G09G3/2014—Display of intermediate tones by modulation of the duration of a single pulse during which the logic level remains constant

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
GB9301509A 1993-01-26 1993-01-26 grey-scale large screen display Expired - Fee Related GB2274535B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9301509A GB2274535B (en) 1993-01-26 1993-01-26 grey-scale large screen display

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9301509A GB2274535B (en) 1993-01-26 1993-01-26 grey-scale large screen display

Publications (3)

Publication Number Publication Date
GB9301509D0 GB9301509D0 (en) 1993-03-17
GB2274535A GB2274535A (en) 1994-07-27
GB2274535B true GB2274535B (en) 1996-07-24

Family

ID=10729341

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9301509A Expired - Fee Related GB2274535B (en) 1993-01-26 1993-01-26 grey-scale large screen display

Country Status (1)

Country Link
GB (1) GB2274535B (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3941926A (en) * 1974-04-08 1976-03-02 Stewart-Warner Corporation Variable intensity display device
WO1988002162A1 (en) * 1986-09-18 1988-03-24 Comview Ab A display screen of multiple matrix construction

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3941926A (en) * 1974-04-08 1976-03-02 Stewart-Warner Corporation Variable intensity display device
WO1988002162A1 (en) * 1986-09-18 1988-03-24 Comview Ab A display screen of multiple matrix construction

Also Published As

Publication number Publication date
GB9301509D0 (en) 1993-03-17
GB2274535A (en) 1994-07-27

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19980126