DE69513055D1 - Tintentropfendetektor - Google Patents

Tintentropfendetektor

Info

Publication number
DE69513055D1
DE69513055D1 DE69513055T DE69513055T DE69513055D1 DE 69513055 D1 DE69513055 D1 DE 69513055D1 DE 69513055 T DE69513055 T DE 69513055T DE 69513055 T DE69513055 T DE 69513055T DE 69513055 D1 DE69513055 D1 DE 69513055D1
Authority
DE
Germany
Prior art keywords
ink drop
drop detector
detector
ink
drop
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
DE69513055T
Other languages
English (en)
Other versions
DE69513055T2 (de
Inventor
Hanno Ix
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.)
Hewlett Packard Development Co LP
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
Application granted granted Critical
Publication of DE69513055D1 publication Critical patent/DE69513055D1/de
Publication of DE69513055T2 publication Critical patent/DE69513055T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

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
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
    • B41J2/01—Ink jet
    • B41J2/135—Nozzles
    • B41J2/165—Preventing or detecting of nozzle clogging, e.g. cleaning, capping or moistening for nozzles
    • B41J2/16579—Detection means therefor, e.g. for nozzle clogging
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume, or surface-area of porous materials
    • G01N15/10—Investigating individual particles
    • G01N15/14—Electro-optical investigation, e.g. flow cytometers
DE69513055T 1994-01-03 1995-01-03 Tintentropfendetektor Expired - Fee Related DE69513055T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/177,085 US5430306A (en) 1994-01-03 1994-01-03 Optoelectronic detector with high, uniform sensitivity and large field of view, for thermal-inkjet inkdrops

Publications (2)

Publication Number Publication Date
DE69513055D1 true DE69513055D1 (de) 1999-12-09
DE69513055T2 DE69513055T2 (de) 2000-02-24

Family

ID=22647128

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69513055T Expired - Fee Related DE69513055T2 (de) 1994-01-03 1995-01-03 Tintentropfendetektor

Country Status (4)

Country Link
US (1) US5430306A (de)
EP (1) EP0661531B1 (de)
DE (1) DE69513055T2 (de)
ES (1) ES2137448T3 (de)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3268959B2 (ja) * 1995-05-22 2002-03-25 キヤノン株式会社 インクジェットプリント装置およびファクシミリ装置
JP3049688B2 (ja) * 1995-06-21 2000-06-05 キヤノン株式会社 インクジェット記録装置
US6097405A (en) * 1996-09-30 2000-08-01 Hewlett-Packard Company Detection apparatus and method for use in a printing device
US6305777B1 (en) * 1998-08-04 2001-10-23 Sarnoff Corporation Apparatus and method for measurement of a liquid droplet
US6612676B1 (en) 1998-11-17 2003-09-02 Pitney Bowes Inc. Apparatus and method for real-time measurement of digital print quality
US6350006B1 (en) * 1998-11-17 2002-02-26 Pitney Bowes Inc. Optical ink drop detection apparatus and method for monitoring operation of an ink jet printhead
US6270187B1 (en) 1998-12-14 2001-08-07 Hewlett-Packard Company Method and apparatus for hiding errors in single-pass incremental printing
EP1027987B1 (de) 1999-02-12 2006-05-03 Hewlett-Packard Company, A Delaware Corporation Verfahren zur Tintentropfenerfassung in einem Druckgerät
US6604807B1 (en) * 1999-02-18 2003-08-12 Hewlett-Packard Company Method and apparatus for detecting anomalous nozzles in an ink jet printer device
US6624434B1 (en) 1999-04-21 2003-09-23 Sarnoff Corporation Apparatus for measurement of particle or droplet velocity
JP2006021323A (ja) * 1999-11-16 2006-01-26 Matsushita Electric Ind Co Ltd 記録装置
US6336701B1 (en) 1999-12-22 2002-01-08 Hewlett-Packard Company Ink-jet print pass microstepping
US6752483B1 (en) 2000-02-11 2004-06-22 Hewlett-Packard Development, L.P. Method for detecting drops in printer device
US6641246B2 (en) * 2000-02-23 2003-11-04 Seiko Epson Corporation Detection of non-operating nozzle by light beam passing through aperture
ATE324983T1 (de) * 2000-02-23 2006-06-15 Seiko Epson Corp Detektion einer nicht funktionierenden düse mittels eines lichtstrahles durch eine öffnung
US6485124B1 (en) 2001-07-02 2002-11-26 Lexmark International, Inc. Optical alignment method and detector
US6648444B2 (en) * 2001-11-15 2003-11-18 Hewlett-Packard Development Company, L.P. High throughput parallel drop detection scheme
US6726318B2 (en) * 2001-11-30 2004-04-27 Konica Corporation Microscopic droplet detecting device and ink-jet recording apparatus
US7490918B2 (en) * 2004-03-05 2009-02-17 Fujifilm Corporation Droplet determination device and droplet determination method for droplet discharge apparatus
US7673976B2 (en) * 2005-09-16 2010-03-09 Eastman Kodak Company Continuous ink jet apparatus and method using a plurality of break-off times
US7599527B2 (en) * 2005-09-28 2009-10-06 Facedouble, Inc. Digital image search system and method
US10300693B2 (en) 2015-07-02 2019-05-28 Hewlett-Packard Development Company, L.P. Printhead drop detectors
US9931839B1 (en) 2016-12-15 2018-04-03 Hewlett-Packard Development Company, L.P. Beam angles of drop detectors

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4318482A (en) * 1979-08-20 1982-03-09 Ortho Diagnostics, Inc. Method for measuring the velocity of a perturbed jetting fluid in an electrostatic particle sorting system
JPS59224360A (ja) * 1983-05-07 1984-12-17 Fuji Xerox Co Ltd インクジエツトプリンタ用ドロツプセンサ
JPS6280055A (ja) * 1985-10-04 1987-04-13 Fuji Xerox Co Ltd インク滴の２次元位置検出装置
US4835435A (en) * 1988-01-19 1989-05-30 Hewlett-Packard Company Simple, sensitive, frequency-tuned drop detector
US4922270A (en) * 1989-01-31 1990-05-01 Hewlett-Packard Company Inter pen offset determination and compensation in multi-pen thermal ink jet pen printing systems
US4922268A (en) * 1989-01-31 1990-05-01 Hewlett-Packard Company Piezoelectric detector for drop position determination in multi-pen thermal ink jet pen printing systems
JPH05288668A (ja) * 1992-04-13 1993-11-02 Anelva Corp 塵検出器
US5276467A (en) * 1992-05-04 1994-01-04 Hewlett-Packard Company Alignment system for multiple color pen cartridges
US5304814A (en) * 1993-02-26 1994-04-19 Xerox Corporation Sensor circuit and method for detecting the presence of a substance such as ink ejected from a thermal ink ejecting print head, or the like

Also Published As

Publication number Publication date
US5430306A (en) 1995-07-04
ES2137448T3 (es) 1999-12-16
EP0661531B1 (de) 1999-11-03
EP0661531A1 (de) 1995-07-05
DE69513055T2 (de) 2000-02-24

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: HEWLETT-PACKARD CO. (N.D.GES.D.STAATES DELAWARE),

8327 Change in the person/name/address of the patent owner

Owner name: HEWLETT-PACKARD DEVELOPMENT CO., L.P., HOUSTON, TE

8339 Ceased/non-payment of the annual fee