JPS61147460U - - Google Patents

Info

Publication number
JPS61147460U
JPS61147460U JP3127785U JP3127785U JPS61147460U JP S61147460 U JPS61147460 U JP S61147460U JP 3127785 U JP3127785 U JP 3127785U JP 3127785 U JP3127785 U JP 3127785U JP S61147460 U JPS61147460 U JP S61147460U
Authority
JP
Japan
Prior art keywords
image signal
charging
circuit
discharging
capacitor
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
JP3127785U
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 JP3127785U priority Critical patent/JPS61147460U/ja
Publication of JPS61147460U publication Critical patent/JPS61147460U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Image Input (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Manipulation Of Pulses (AREA)

Description

【図面の簡単な説明】
第１図は本考案による画信号２値化回路の接続
図、第２図ａ〜ｃは第１図の回路における各部の
波形および画信号としきい値電圧との関係を示す
波形図、第３図は従来の画信号２値化回路の接続
図、第４図および第５図は第３図の回路における
画信号としきい値電圧との関係を示す波形図、第
６図は従来の画信号２値化回路の接続図、第７図
〜第９図は第６図の回路における画信号としきい
値電圧との関係を示す波形図である。 Ｕ…充電放電回路、Ａ…コンパレータ、Ｃ…充
放電用コンデンサ。

Claims (1)

  1. 【実用新案登録請求の範囲】 画信号を充放電回路に印加し、この充放電回路
    のコンデンサの両端間に得られる前記画信号の包
    絡線をあらわす電圧にもとづいて、前記画信号を
    ２値化するためのしきい値電圧を設定する画信号
    ２値化回路において、 前記コンデンサの充放電を所定の期間に制限す
    る手段を設けたことを特徴とする画信号２値化回
    路。
JP3127785U 1985-03-05 1985-03-05 Pending JPS61147460U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3127785U JPS61147460U (ja) 1985-03-05 1985-03-05

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3127785U JPS61147460U (ja) 1985-03-05 1985-03-05

Publications (1)

Publication Number Publication Date
JPS61147460U true JPS61147460U (ja) 1986-09-11

Family

ID=30531738

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3127785U Pending JPS61147460U (ja) 1985-03-05 1985-03-05

Country Status (1)

Country Link
JP (1) JPS61147460U (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63185660A (ja) * 1987-01-29 1988-08-01 Mitsubishi Electric Corp 記録紙の位置決めマ−ク検出装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63185660A (ja) * 1987-01-29 1988-08-01 Mitsubishi Electric Corp 記録紙の位置決めマ−ク検出装置

Similar Documents

Publication Publication Date Title
JPS61147460U (ja)
JPH01151625U (ja)
JPS5910014U (ja) 容量式変換器
JPS60127565U (ja) 周波数判別回路
JPS6341915U (ja)
JPS62103325U (ja)
JPS5819540U (ja) 時限回路
JPS6251453U (ja)
JPS61128859U (ja)
JPH0262819U (ja)
JPS6268336U (ja)
JPS6232638U (ja)
JPS61155928U (ja)
JPS60169800U (ja) サンプル・ホ−ルド回路
JPS6237450U (ja)
JPS6160534U (ja)
JPS63152356U (ja)
JPS62180366U (ja)
JPH0448711U (ja)
JPS60184337U (ja) 進行波管送信装置
JPS6239334U (ja)
JPS6152884U (ja)
JPS58169733U (ja) パルス変調回路
JPS62104166U (ja)
JPH0351525U (ja)