JPS6265685U - - Google Patents

Info

Publication number
JPS6265685U
JPS6265685U JP15729185U JP15729185U JPS6265685U JP S6265685 U JPS6265685 U JP S6265685U JP 15729185 U JP15729185 U JP 15729185U JP 15729185 U JP15729185 U JP 15729185U JP S6265685 U JPS6265685 U JP S6265685U
Authority
JP
Japan
Prior art keywords
collector
display signal
display device
control transistor
contrast
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.)
Granted
Application number
JP15729185U
Other languages
English (en)
Other versions
JPH0326547Y2 (ja
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 JP15729185U priority Critical patent/JPH0326547Y2/ja
Publication of JPS6265685U publication Critical patent/JPS6265685U/ja
Application granted granted Critical
Publication of JPH0326547Y2 publication Critical patent/JPH0326547Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Television Receiver Circuits (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回路図、第2
図は従来のコントラスト調整回路を示す回路図、
第3図はその出力信号波形を示す波形図である。 3,3′…増幅回路、4…コントラスト調整回
路、TR,TR′…最終段トランジスタ、T
,TR…制御トランジスタ。

Claims (1)

    【実用新案登録請求の範囲】
  1. TTLレベルの表示信号が供給されるデイスプ
    レイ装置に於いて、上記表示信号の増幅回路の最
    終段をなすNPNトランジスタのコレクタと電源
    間に複数の負荷抵抗を直列に接続し、この負荷抵
    抗間の接続中点と基準電位点との間にコレクタ負
    荷抵抗を有するPNP型の制御トランジスタのエ
    ミツタ・コレクタ間を接続すると共に、この制御
    トランジスタのベースにコントラスト調整用の可
    変直流電圧を印加し、上記制御トランジスタのコ
    レクタからコントラスト調整後の表示信号を得る
    ようにしたデイスプレイ装置のコントラスト調整
    回路。
JP15729185U 1985-10-14 1985-10-14 Expired JPH0326547Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15729185U JPH0326547Y2 (ja) 1985-10-14 1985-10-14

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15729185U JPH0326547Y2 (ja) 1985-10-14 1985-10-14

Publications (2)

Publication Number Publication Date
JPS6265685U true JPS6265685U (ja) 1987-04-23
JPH0326547Y2 JPH0326547Y2 (ja) 1991-06-07

Family

ID=31079699

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15729185U Expired JPH0326547Y2 (ja) 1985-10-14 1985-10-14

Country Status (1)

Country Link
JP (1) JPH0326547Y2 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11780229B2 (en) 2020-11-20 2023-10-10 Samsung Display Co., Ltd. Inkjet printing device and method of addressing non-discharge therein

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11780229B2 (en) 2020-11-20 2023-10-10 Samsung Display Co., Ltd. Inkjet printing device and method of addressing non-discharge therein

Also Published As

Publication number Publication date
JPH0326547Y2 (ja) 1991-06-07

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