JP2003040486A5 - - Google Patents

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Publication number
JP2003040486A5
JP2003040486A5 JP2001226575A JP2001226575A JP2003040486A5 JP 2003040486 A5 JP2003040486 A5 JP 2003040486A5 JP 2001226575 A JP2001226575 A JP 2001226575A JP 2001226575 A JP2001226575 A JP 2001226575A JP 2003040486 A5 JP2003040486 A5 JP 2003040486A5
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JP
Japan
Prior art keywords
sheet material
light
light emitting
slit
detection
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JP2001226575A
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Japanese (ja)
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JP3762263B2 (en
JP2003040486A (en
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Publication date
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Priority to JP2001226575A priority Critical patent/JP3762263B2/en
Priority claimed from JP2001226575A external-priority patent/JP3762263B2/en
Priority to US10/200,772 priority patent/US6794633B2/en
Priority to EP02016635A priority patent/EP1279633B1/en
Priority to DE60218249T priority patent/DE60218249T2/en
Publication of JP2003040486A publication Critical patent/JP2003040486A/en
Publication of JP2003040486A5 publication Critical patent/JP2003040486A5/ja
Application granted granted Critical
Publication of JP3762263B2 publication Critical patent/JP3762263B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Claims (6)

検出光を照射する発光素子および検出光を受光する受光素子を有する発光受光ユニットと、
該発光素子から照射された検出光を反射して該受光素子へ入射させる反射部材と、有し、
上記発光受光ユニットと上記反射部材とをシート材搬送経路を挟んで配置し、シート材搬送経路を搬送されるシート材によって検出光が遮られることでシート材を検出するシート材検出装置において、
前記発光素子から照射された検出光を絞るスリットであって、シート材搬送方向に長手となるように設けられた発光スリットと、
前記受光素子に入射する検出光を絞るスリットであって、シート材搬送方向に交わる方向に長手となるように設けられた受光スリットと、を備えたことを特徴とするシート材検出装置。A light emitting and receiving unit having a light emitting element for irradiating the detection light and a light receiving element for receiving the detection light,
A reflecting member that reflects the detection light emitted from the light emitting element and makes the light incident on the light receiving element ,
In the sheet material detecting device, the light emitting and receiving unit and the reflecting member are arranged with the sheet material conveying path interposed therebetween, and the sheet material is detected by blocking detection light by the sheet material conveyed in the sheet material conveying path.
A slit for narrowing the detection light emitted from the light emitting element, a light emitting slit provided so as to be long in the sheet material conveyance direction,
A sheet material detecting device, comprising: a slit for narrowing detection light incident on the light receiving element, and a light receiving slit provided to be long in a direction intersecting the sheet material conveying direction. 前記発光素子と前記受光素子は、互いの光路の中心軸が略平行になるように配置され、且つ、前記反射部材は、前記発光素子から略垂直に入射された検出光を略平行に反射して、前記受光素子に略垂直に入射させることを特徴とする請求項１に記載のシート材検出装置。The light emitting element and the light receiving element are arranged so that the central axes of the optical paths of the light emitting element and the light receiving element are substantially parallel to each other, and the reflecting member reflects the detection light substantially perpendicularly incident from the light emitting element in a substantially parallel manner. The sheet material detection device according to claim 1, wherein the light is incident on the light receiving element substantially perpendicularly. 前記反射部材は光学プリズムで構成されていることを特徴とする請求項２に記載のシート材検出装置。The sheet material detection device according to claim 2, wherein the reflection member is configured by an optical prism. 前記受光スリットの長手方向の幅は、前記発光スリットの短手方向の幅の略２倍以上に設けられていることを特徴とする請求項２に記載のシート材検出装置。The sheet material detecting device according to claim 2 , wherein a width of the light receiving slit in a longitudinal direction is provided to be approximately twice or more of a width of the light emitting slit in a lateral direction. 前記発光スリットの面積は、前記受光スリットの面積よりも大きく設けられていることを特徴とする請求項１に記載のシート材検出装置。The area of the light-emitting slit sheet detecting device according to claim 1, characterized in that provided greater than the area of the receiving slit. 請求項１〜５のうちいずれか１項に記載のシート材検出装置と、該シート材検出装置を用いてシート材を制御して該シート材に画像を形成する画像形成手段と、を備えたことを特徴とする画像形成装置。A sheet material detecting device according to any one of claims 1 to 5, and image forming means for controlling a sheet material using the sheet material detecting device to form an image on the sheet material. An image forming apparatus comprising:
JP2001226575A 2001-07-26 2001-07-26 Sheet material detection apparatus and image forming apparatus Expired - Fee Related JP3762263B2 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2001226575A JP3762263B2 (en) 2001-07-26 2001-07-26 Sheet material detection apparatus and image forming apparatus
US10/200,772 US6794633B2 (en) 2001-07-26 2002-07-24 Sheet detecting device and image forming apparatus
EP02016635A EP1279633B1 (en) 2001-07-26 2002-07-25 Sheet detecting device and image forming apparatus
DE60218249T DE60218249T2 (en) 2001-07-26 2002-07-25 Device for detecting sheets and image forming apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2001226575A JP3762263B2 (en) 2001-07-26 2001-07-26 Sheet material detection apparatus and image forming apparatus

Publications (3)

Publication Number Publication Date
JP2003040486A JP2003040486A (en) 2003-02-13
JP2003040486A5 true JP2003040486A5 (en) 2004-07-22
JP3762263B2 JP3762263B2 (en) 2006-04-05

Family

ID=19059366

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2001226575A Expired - Fee Related JP3762263B2 (en) 2001-07-26 2001-07-26 Sheet material detection apparatus and image forming apparatus

Country Status (1)

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JP (1) JP3762263B2 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4503253B2 (en) 2003-08-26 2010-07-14 株式会社リコー Image forming apparatus
JP2011107307A (en) * 2009-11-16 2011-06-02 Konica Minolta Business Technologies Inc Toner density detection sensor
KR102531178B1 (en) * 2021-03-29 2023-05-10 (주)크레템 Blister sheet supplying unit for blister pack and apparatus for automatically blister-packing medicines

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