JPH01112474U - - Google Patents

Info

Publication number
JPH01112474U
JPH01112474U JP668688U JP668688U JPH01112474U JP H01112474 U JPH01112474 U JP H01112474U JP 668688 U JP668688 U JP 668688U JP 668688 U JP668688 U JP 668688U JP H01112474 U JPH01112474 U JP H01112474U
Authority
JP
Japan
Prior art keywords
bar graph
light emitting
emitting diodes
input signal
color
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
JP668688U
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 JP668688U priority Critical patent/JPH01112474U/ja
Publication of JPH01112474U publication Critical patent/JPH01112474U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Measurement Of Current Or Voltage (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)

Description

【図面の簡単な説明】
第１図は本考案に係るバーグラフメータの一実
施例の電気的接続図、第２図は第１図に用いられ
る２色発光ダイオードの構成図、第３図は第１図
に用いられる色切り替え回路とバーグラフ回路の
具体的構成図、第４図は本考案に係わるバーグラ
フメータの表示部の一実施例を示す図、第５図イ
，ロは夫々極性判別手段を備えた従来のバーグラ
フメータの表示部の構成図である。 １０……入力端子、２０……絶対値回路、３０
……アナログ・デイジタル変換器、４０……極性
判別回路、５０……バーグラフ回路、５１ａ，ｂ
，５２ａ，ｂ〜５ｎａ，ｂ……発光ダイオード、
６０……駆動回路、７０……色切り替え回路。

Claims (1)

    【実用新案登録請求の範囲】
  1. 多数の発光ダイオードを並列的に配置し、入力
    信号の大きさに応じてその発光ダイオードをバー
    グラフ的に表示させるバーグラフメータに於いて
    、入力信号の極性に対応して前記発光ダイオード
    の発光色を変えるように構成したことを特徴とす
    るバーグラフメータ。
JP668688U 1988-01-22 1988-01-22 Pending JPH01112474U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP668688U JPH01112474U (ja) 1988-01-22 1988-01-22

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP668688U JPH01112474U (ja) 1988-01-22 1988-01-22

Publications (1)

Publication Number Publication Date
JPH01112474U true JPH01112474U (ja) 1989-07-28

Family

ID=31211061

Family Applications (1)

Application Number Title Priority Date Filing Date
JP668688U Pending JPH01112474U (ja) 1988-01-22 1988-01-22

Country Status (1)

Country Link
JP (1) JPH01112474U (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09146479A (ja) * 1995-11-24 1997-06-06 Toyoda Gosei Co Ltd 車両用メータ

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52136667A (en) * 1976-05-11 1977-11-15 Seiko Epson Corp Digital voltmeter
JPS6057388A (ja) * 1983-09-08 1985-04-03 豊田合成株式会社 表示装置

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52136667A (en) * 1976-05-11 1977-11-15 Seiko Epson Corp Digital voltmeter
JPS6057388A (ja) * 1983-09-08 1985-04-03 豊田合成株式会社 表示装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09146479A (ja) * 1995-11-24 1997-06-06 Toyoda Gosei Co Ltd 車両用メータ

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