JPS5943446U - Double feed detection device - Google Patents

Double feed detection device

Info

Publication number
JPS5943446U
JPS5943446U JP13842282U JP13842282U JPS5943446U JP S5943446 U JPS5943446 U JP S5943446U JP 13842282 U JP13842282 U JP 13842282U JP 13842282 U JP13842282 U JP 13842282U JP S5943446 U JPS5943446 U JP S5943446U
Authority
JP
Japan
Prior art keywords
converter
double feed
detection device
output
feed detection
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
JP13842282U
Other languages
Japanese (ja)
Inventor
原島　裕之
Original Assignee
株式会社東芝
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 株式会社東芝 filed Critical 株式会社東芝
Priority to JP13842282U priority Critical patent/JPS5943446U/en
Publication of JPS5943446U publication Critical patent/JPS5943446U/en
Pending legal-status Critical Current

Links

Landscapes

  • Controlling Sheets Or Webs (AREA)
  • Conveying Record Carriers (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図及び第２図はそれぞれ本考案の一実施例の機構部
の状態を示す側面図、第３図は本考案の一実施例の回路
部のブロック図である。 ｌａ、１ｂ：フィードローラ、２ａ、２ｂ：用紙、４ｍ
、　　４ｎ：Ｌ／バー、４ｒｎＨ短いアーム、４ｎ：長
いアーム、６：磁気抵抗素子、１２：Ｒ／Ｖコンバータ
、１３：増幅器、ｌ　４　、Ａ／Ｄコンバータ、１５：
ラッチ回路、１６：減算器、１７：演算部、１８：制御
部。FIGS. 1 and 2 are side views showing the state of a mechanical section of an embodiment of the present invention, and FIG. 3 is a block diagram of a circuit section of an embodiment of the present invention. la, 1b: feed roller, 2a, 2b: paper, 4m
, 4n: L/bar, 4rnH short arm, 4n: long arm, 6: magnetoresistive element, 12: R/V converter, 13: amplifier, l4, A/D converter, 15:
latch circuit, 16: subtracter, 17: calculation section, 18: control section.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 用紙に接しその厚さに応じて変位するフィードローラと
このフィードローラの変位に応じて磁界中に出入する磁
気抵抗素子とを有してなる変位検出機構と、前記磁気抵
抗素子の抵抗出力を電圧値に変換スるＲ／Ｖコンバータ
と、このＲ／Ｖコンバータ出力をデジタル変換するＡ／
Ｄコンバータと、このＡ／Ｄコンバータの出力と所定の
基準値とを比較する減算器と、その減算結果からダブル
フィードを判別する演算部とを備えたことを特徴とする
ダブルフィード検出装置。A displacement detection mechanism includes a feed roller that is in contact with paper and is displaced according to its thickness, and a magnetic resistance element that moves in and out of a magnetic field according to the displacement of the feed roller; An R/V converter that converts the output into a value, and an A/V converter that converts the R/V converter output into a digital value.
A double feed detection device comprising a D converter, a subtracter that compares the output of the A/D converter with a predetermined reference value, and an arithmetic unit that determines double feed from the subtraction result.
JP13842282U 1982-09-14 1982-09-14 Double feed detection device Pending JPS5943446U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13842282U JPS5943446U (en) 1982-09-14 1982-09-14 Double feed detection device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13842282U JPS5943446U (en) 1982-09-14 1982-09-14 Double feed detection device

Publications (1)

Publication Number Publication Date
JPS5943446U true JPS5943446U (en) 1984-03-22

Family

ID=30310589

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13842282U Pending JPS5943446U (en) 1982-09-14 1982-09-14 Double feed detection device

Country Status (1)

Country Link
JP (1) JPS5943446U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6373180A (en) * 1986-09-17 1988-04-02 Hitachi Ltd Method for detecting protrusion on magnetic disc

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6373180A (en) * 1986-09-17 1988-04-02 Hitachi Ltd Method for detecting protrusion on magnetic disc

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