JP2000088529A5 - - Google Patents

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Publication number
JP2000088529A5
JP2000088529A5 JP1999249010A JP24901099A JP2000088529A5 JP 2000088529 A5 JP2000088529 A5 JP 2000088529A5 JP 1999249010 A JP1999249010 A JP 1999249010A JP 24901099 A JP24901099 A JP 24901099A JP 2000088529 A5 JP2000088529 A5 JP 2000088529A5
Authority
JP
Japan
Prior art keywords
photodetector
area
detection device
light
light source
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.)
Granted
Application number
JP1999249010A
Other languages
English (en)
Japanese (ja)
Other versions
JP4190670B2 (ja
JP2000088529A (ja
Filing date
Publication date
Priority claimed from US09/226,978 external-priority patent/US6140662A/en
Application filed filed Critical
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

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 true JP2000088529A5 (https=) 2006-04-13
JP4190670B2 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

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