KR900012980U - 맵 보드용 발광다이오드의 플리커링 회로 - Google Patents

맵 보드용 발광다이오드의 플리커링 회로

Info

Publication number
KR900012980U
KR900012980U KR2019880021692U KR880021692U KR900012980U KR 900012980 U KR900012980 U KR 900012980U KR 2019880021692 U KR2019880021692 U KR 2019880021692U KR 880021692 U KR880021692 U KR 880021692U KR 900012980 U KR900012980 U KR 900012980U
Authority
KR
South Korea
Prior art keywords
light emitting
emitting diode
map board
flickering circuit
flickering
Prior art date
Application number
KR2019880021692U
Other languages
English (en)
Other versions
KR940001614Y1 (ko
Inventor
손정석
Original Assignee
금성산전 주식회사
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 금성산전 주식회사 filed Critical 금성산전 주식회사
Priority to KR2019880021692U priority Critical patent/KR940001614Y1/ko
Publication of KR900012980U publication Critical patent/KR900012980U/ko
Application granted granted Critical
Publication of KR940001614Y1 publication Critical patent/KR940001614Y1/ko

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
    • G09G3/04—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of a single character by selection from a plurality of characters, or by composing the character by combination of individual elements, e.g. segments using a combination of such display devices for composing words, rows or the like, in a frame with fixed character positions
    • G09G3/06—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of a single character by selection from a plurality of characters, or by composing the character by combination of individual elements, e.g. segments using a combination of such display devices for composing words, rows or the like, in a frame with fixed character positions using controlled light sources
    • G09G3/12—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of a single character by selection from a plurality of characters, or by composing the character by combination of individual elements, e.g. segments using a combination of such display devices for composing words, rows or the like, in a frame with fixed character positions using controlled light sources using electroluminescent elements
    • G09G3/14—Semiconductor devices, e.g. diodes
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
    • G09G2320/02—Improving the quality of display appearance
    • G09G2320/0247—Flicker reduction other than flicker reduction circuits used for single beam cathode-ray tubes

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)
  • Control Of El Displays (AREA)
KR2019880021692U 1988-12-27 1988-12-27 맵 보드용 발광다이오드의 플리커링 회로 KR940001614Y1 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019880021692U KR940001614Y1 (ko) 1988-12-27 1988-12-27 맵 보드용 발광다이오드의 플리커링 회로

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019880021692U KR940001614Y1 (ko) 1988-12-27 1988-12-27 맵 보드용 발광다이오드의 플리커링 회로

Publications (2)

Publication Number Publication Date
KR900012980U true KR900012980U (ko) 1990-07-04
KR940001614Y1 KR940001614Y1 (ko) 1994-03-21

Family

ID=19282571

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019880021692U KR940001614Y1 (ko) 1988-12-27 1988-12-27 맵 보드용 발광다이오드의 플리커링 회로

Country Status (1)

Country Link
KR (1) KR940001614Y1 (ko)

Also Published As

Publication number Publication date
KR940001614Y1 (ko) 1994-03-21

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Legal Events

Date Code Title Description
A201 Request for examination
E701 Decision to grant or registration of patent right
REGI Registration of establishment
LAPS Lapse due to unpaid annual fee