JP4190670B2 - 検知装置および方法 - Google Patents

検知装置および方法 Download PDF

Info

Publication number
JP4190670B2
JP4190670B2 JP24901099A JP24901099A JP4190670B2 JP 4190670 B2 JP4190670 B2 JP 4190670B2 JP 24901099 A JP24901099 A JP 24901099A JP 24901099 A JP24901099 A JP 24901099A JP 4190670 B2 JP4190670 B2 JP 4190670B2
Authority
JP
Japan
Prior art keywords
area
stack surface
stack
light source
light
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.)
Expired - Fee Related
Application number
JP24901099A
Other languages
English (en)
Japanese (ja)
Other versions
JP2000088529A5 (https=
JP2000088529A (ja
Inventor
パルタサラティ・バスカー
リム・アー・ペン
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
HP Inc
Original Assignee
Hewlett Packard Co
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 Hewlett Packard Co filed Critical Hewlett Packard Co
Publication of JP2000088529A publication Critical patent/JP2000088529A/ja
Publication of JP2000088529A5 publication Critical patent/JP2000088529A5/ja
Application granted granted Critical
Publication of JP4190670B2 publication Critical patent/JP4190670B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J11/00—Devices or arrangements  of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form
    • B41J11/0075—Low-paper indication, i.e. indicating the state when copy material has been used up nearly or completely
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J13/00—Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers or thermal printers, specially adapted for supporting or handling copy material in short lengths, e.g. sheets
    • B41J13/10—Sheet holders, retainers, movable guides, or stationary guides

Landscapes

  • Controlling Sheets Or Webs (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Pile Receivers (AREA)
JP24901099A 1998-09-11 1999-09-02 検知装置および方法 Expired - Fee Related JP4190670B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
SG9803608 1998-09-11
SG9803608-0 1998-09-11
US09/226,978 US6140662A (en) 1998-09-11 1999-01-08 Sensing system and method

Publications (3)

Publication Number Publication Date
JP2000088529A JP2000088529A (ja) 2000-03-31
JP2000088529A5 JP2000088529A5 (https=) 2006-04-13
JP4190670B2 true JP4190670B2 (ja) 2008-12-03

Family

ID=26665180

Family Applications (1)

Application Number Title Priority Date Filing Date
JP24901099A Expired - Fee Related JP4190670B2 (ja) 1998-09-11 1999-09-02 検知装置および方法

Country Status (3)

Country Link
US (1) US6140662A (https=)
EP (1) EP0985541B1 (https=)
JP (1) JP4190670B2 (https=)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6585344B2 (en) * 2001-03-22 2003-07-01 Hewlett-Packard Development Company, L.P. Systems and methods for automatically detecting a number of remaining sheets of print media
US6794669B2 (en) 2002-07-24 2004-09-21 Lexmark International, Inc. Media sensing apparatus for detecting an absence of print media
US7342689B2 (en) * 2003-11-12 2008-03-11 Transact Technologies Incorporated Methods and apparatus for converting full color images to two-color images for printing at a two-color printer
US7401878B2 (en) * 2004-09-30 2008-07-22 Lexmark International, Inc. Print media detection in an imaging apparatus
GB2465372B (en) * 2008-11-14 2013-10-30 Nicholas James Adkins Optical displacement transducer
WO2016182539A2 (en) * 2015-05-08 2016-11-17 Hewlett-Packard Development Company, L.P. Light projection for a print substrate
JP6916302B2 (ja) * 2017-04-21 2021-08-11 ヒューレット−パッカード デベロップメント カンパニー エル．ピー．Ｈｅｗｌｅｔｔ‐Ｐａｃｋａｒｄ Ｄｅｖｅｌｏｐｍｅｎｔ Ｃｏｍｐａｎｙ， Ｌ．Ｐ． センサ較正
US11220118B2 (en) 2017-04-21 2022-01-11 Hewlett-Packard Development Company, L.P. Media bin sensors
US11390308B2 (en) 2019-03-07 2022-07-19 Dishcraft Robotics, Inc. Automated dish drop
US10654504B1 (en) 2019-03-07 2020-05-19 Dishcraft Robotics, Inc. Dish stacking cart
US10974750B2 (en) 2019-03-07 2021-04-13 Dishcraft Robotics, Inc. Adjustable dish stacking cart
US11198461B2 (en) 2019-03-07 2021-12-14 Dishcraft Robotics, Inc. Dish collection and dispensing system

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52141256A (en) * 1976-05-20 1977-11-25 Komatsu Mfg Co Ltd Apparatus for measuring minute distance
DE2906641A1 (de) * 1979-02-21 1980-08-28 Freudenberg Carl Fa Verfahren zur optisch-elektrischen messung des abstandes zwischen einer messeinrichtung und einem pruefling
JPS5727869A (en) * 1980-06-30 1982-02-15 Ibm Stacker for folding paper
JPS57145764A (en) * 1981-03-04 1982-09-08 Nec Corp Mechanism for detecting full load of paper sheet
JPS6079109U (ja) * 1983-11-08 1985-06-01 オムロン株式会社 距離測定装置
US4909426A (en) * 1988-02-10 1990-03-20 Roll Systems, Inc. Web feed apparatus
JPH05130298A (ja) * 1991-11-01 1993-05-25 Nec Corp フアクシミリ装置
JPH06336352A (ja) * 1993-05-25 1994-12-06 Konica Corp 用紙残量検出装置
DE19621120C1 (de) * 1996-05-24 1997-05-07 Leuze Electronic Gmbh & Co Optoelektronische Vorrichtung
FR2756930B1 (fr) * 1996-12-06 1999-01-08 Schneider Electric Sa Cellule photoelectrique a traitement differentiel verrouillable
US5946541A (en) * 1997-04-30 1999-08-31 Canon Kabushiki Kaisha Image forming apparatus that detects a sheet load quantity and controls ejection of the sheets based on that detection
JPH11185007A (ja) * 1997-12-05 1999-07-09 Whitaker Corp:The 紙残量検出機構

Also Published As

Publication number Publication date
EP0985541B1 (en) 2004-04-14
EP0985541A3 (en) 2001-03-21
EP0985541A2 (en) 2000-03-15
JP2000088529A (ja) 2000-03-31
US6140662A (en) 2000-10-31

Similar Documents

Publication Publication Date Title
JP4190670B2 (ja) 検知装置および方法
US8490965B2 (en) Sheet-supplying device
US6900449B2 (en) Media type sensing method for an imaging apparatus
EP0911699B1 (en) Printer with determination of the gloss of the print media
US6914684B1 (en) Method and apparatus for detecting media type
US20060087070A1 (en) Media tray stack height sensor with continuous height feedback and discrete intermediate and limit states
EP2843475A1 (en) Sensor apparatus and image forming apparatus incorporating same
EP0902332B1 (en) Print media weight detection system
CN1315659C (zh) 打印媒介边缘检测方法和装置
GB2357754A (en) Detecting double feed or overlap of print media
KR20110081703A (ko) 용지적재대, 용지급지장치와 이를 가지는 화상형성장치 및 그 제어방법
US6497179B1 (en) Method and apparatus for distinguishing transparent media
EP1523666A1 (en) Method to correct for sensitivity variation of media sensors
US5859440A (en) Transparency sheet edge detector system using edge shadow sensing
US6986509B2 (en) Media stack tray status mechanism
US6590223B1 (en) Apparatus and method for media presence detection
KR20080016322A (ko) 용지크기 감지장치 및 이를 구비한 화상형성장치
EP0985615B1 (en) Apparatus and method for measuring a dimension of an object
US7898674B2 (en) Apparatus and method for detecting the position of media in a media path
WO2010011261A1 (en) Member detecting media amount in multiple trays
JP2013035616A (ja) 搬送装置、記録装置及び制御方法
JP3948311B2 (ja) 印刷シートの判別装置、印刷装置、コンピュータプログラム、コンピュータシステム、及び、印刷シートの判別方法
JP2022138048A (ja) 給紙装置
KR100219936B1 (ko) 화상형성장치의 용지량 감지장치 및 방법
KR200157682Y1 (ko) 포토센서의 주변광 차단구조

Legal Events

Date Code Title Description
A521 Written amendment

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20060224

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20060224

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20071206

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20071211

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20080430

A521 Written amendment

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20080729

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20080819

A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20080917

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20110926

Year of fee payment: 3

R150 Certificate of patent or registration of utility model

Free format text: JAPANESE INTERMEDIATE CODE: R150

LAPS Cancellation because of no payment of annual fees