JPH0433093U - - Google Patents

Info

Publication number
JPH0433093U
JPH0433093U JP1990074318U JP7431890U JPH0433093U JP H0433093 U JPH0433093 U JP H0433093U JP 1990074318 U JP1990074318 U JP 1990074318U JP 7431890 U JP7431890 U JP 7431890U JP H0433093 U JPH0433093 U JP H0433093U
Authority
JP
Japan
Prior art keywords
external light
power supply
circuit
drive circuit
supply circuit
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.)
Pending
Application number
JP1990074318U
Other languages
English (en)
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 filed Critical
Priority to JP1990074318U priority Critical patent/JPH0433093U/ja
Publication of JPH0433093U publication Critical patent/JPH0433093U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Liquid Crystal Display Device Control (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)

Description

【図面の簡単な説明】
第1図は本考案の一実施例を示すブロツク図、
第2図は同実施例の要部回路構成図、第3図は従
来例を示すブロツク図、第4図は同従来例の要部
回路構成図である。 1……EL、2……EL駆動回路、10……直
流電源供給回路、11……外光量検出回路、12
……制御部。

Claims (1)

  1. 【実用新案登録請求の範囲】 エレクトロルミネツセントライトを駆動するE
    L駆動回路、該EL駆動回路に電源を供給する直
    流電源供給回路、該直流電源供給回路を制御する
    制御部、該制御部にエレクトロルミネツセントラ
    イトの点灯を指示するスイツチを有する携帯型電
    子装置において、 装置周囲の外光量を検出する外光量検出回路と
    、該外光量検出回路の検出した外光量の値に応じ
    てEL駆動回路に供給する直流電圧の大きさを制
    御する直流電源供給回路を設けたことを特徴とす
    る携帯型電子装置。
JP1990074318U 1990-07-16 1990-07-16 Pending JPH0433093U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1990074318U JPH0433093U (ja) 1990-07-16 1990-07-16

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1990074318U JPH0433093U (ja) 1990-07-16 1990-07-16

Publications (1)

Publication Number Publication Date
JPH0433093U true JPH0433093U (ja) 1992-03-18

Family

ID=31613907

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1990074318U Pending JPH0433093U (ja) 1990-07-16 1990-07-16

Country Status (1)

Country Link
JP (1) JPH0433093U (ja)

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