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EP0650846A3 - Adaptive control of print head to medium distance in ink-jet printers. - Google Patents

Adaptive control of print head to medium distance in ink-jet printers. Download PDF

Info

Publication number
EP0650846A3
EP0650846A3 EP94307905A EP94307905A EP0650846A3 EP 0650846 A3 EP0650846 A3 EP 0650846A3 EP 94307905 A EP94307905 A EP 94307905A EP 94307905 A EP94307905 A EP 94307905A EP 0650846 A3 EP0650846 A3 EP 0650846A3
Authority
EP
European Patent Office
Prior art keywords
ink
print head
adaptive control
jet printers
medium distance
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
EP94307905A
Other languages
German (de)
French (fr)
Other versions
EP0650846A2 (en
EP0650846B1 (en
Inventor
W Wistar Rhoads
Brent W Richtsmeier
Thomas W Linder
John Dion
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
Priority claimed from US08/145,019 external-priority patent/US5414453A/en
Priority claimed from US08/145,354 external-priority patent/US5510815A/en
Application filed by Hewlett Packard Co filed Critical Hewlett Packard Co
Publication of EP0650846A2 publication Critical patent/EP0650846A2/en
Publication of EP0650846A3 publication Critical patent/EP0650846A3/en
Application granted granted Critical
Publication of EP0650846B1 publication Critical patent/EP0650846B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • B41J25/00—Actions or mechanisms not otherwise provided for
    • B41J25/304—Bodily-movable mechanisms for print heads or carriages movable towards or from paper surface
    • B41J25/308—Bodily-movable mechanisms for print heads or carriages movable towards or from paper surface with print gap adjustment mechanisms
    • B41J25/3082—Bodily-movable mechanisms for print heads or carriages movable towards or from paper surface with print gap adjustment mechanisms with print gap adjustment means on the print head carriage, e.g. for rotation around a guide bar or using a rotatable eccentric bearing
    • 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
    • B41J25/00—Actions or mechanisms not otherwise provided for
    • B41J25/304—Bodily-movable mechanisms for print heads or carriages movable towards or from paper surface
    • B41J25/308—Bodily-movable mechanisms for print heads or carriages movable towards or from paper surface with print gap adjustment mechanisms
EP94307905A 1993-10-29 1994-10-27 Adaptive control of print head to medium distance in ink-jet printers Expired - Lifetime EP0650846B1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US08/145,019 US5414453A (en) 1993-04-30 1993-10-29 Use of a densitometer for adaptive control of printhead-to-media distance in ink jet printers
US145019 1993-10-29
US145354 1993-10-29
US08/145,354 US5510815A (en) 1993-10-29 1993-10-29 Adjustable pen-to-paper spacing in printers using black and color pens

Publications (3)

Publication Number Publication Date
EP0650846A2 EP0650846A2 (en) 1995-05-03
EP0650846A3 true EP0650846A3 (en) 1995-11-22
EP0650846B1 EP0650846B1 (en) 1998-12-09

Family

ID=26842582

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94307905A Expired - Lifetime EP0650846B1 (en) 1993-10-29 1994-10-27 Adaptive control of print head to medium distance in ink-jet printers

Country Status (3)

Country Link
EP (1) EP0650846B1 (en)
JP (1) JP3459125B2 (en)
DE (1) DE69415129T2 (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5988782A (en) * 1995-04-07 1999-11-23 Canon Kabushiki Kaisha Ink-jet printing apparatus
KR970000595A (en) * 1995-06-13 1997-01-21 구자홍 HEAD GAP ADJUSTMENT FOR INK JET PRINTER
CH691961A5 (en) * 1996-03-05 2001-12-14 Olivetti Lexikon Spa Printer.
JPH1016350A (en) * 1996-03-14 1998-01-20 Canon Inc Printer
JP3667096B2 (en) * 1998-06-30 2005-07-06 キヤノン株式会社 Inkjet recording apparatus and inkjet recording method
JP2002154200A (en) * 2000-11-20 2002-05-28 Canon Inc Image forming apparatus
AU2002318771B2 (en) * 2000-11-20 2004-08-05 Presstek, Inc Method and apparatus for optimized image processing
JP5670372B2 (en) * 2012-03-29 2015-02-18 富士フイルム株式会社 Liquid ejection apparatus and control method thereof
CN115038590A (en) * 2020-04-23 2022-09-09 惠普发展公司，有限责任合伙企业 Adjusting distance between print medium and print head
CN117741773B (en) * 2023-12-21 2024-08-23 无锡学院 Material detection device

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0334548A2 (en) * 1988-03-21 1989-09-27 Hewlett-Packard Company Device to assure paper flatness and pen-to-paper spacing during printing
EP0519682A2 (en) * 1991-06-17 1992-12-23 Tektronix, Inc. Automatic print head spacing mechanism for ink jet printer
EP0623474A2 (en) * 1993-05-03 1994-11-09 Hewlett-Packard Company Print quality assessment and adjustment in thermal ink jet printers

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05104710A (en) * 1991-10-21 1993-04-27 Brother Ind Ltd Recording device

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0334548A2 (en) * 1988-03-21 1989-09-27 Hewlett-Packard Company Device to assure paper flatness and pen-to-paper spacing during printing
EP0519682A2 (en) * 1991-06-17 1992-12-23 Tektronix, Inc. Automatic print head spacing mechanism for ink jet printer
EP0623474A2 (en) * 1993-05-03 1994-11-09 Hewlett-Packard Company Print quality assessment and adjustment in thermal ink jet printers

Also Published As

Publication number Publication date
DE69415129D1 (en) 1999-01-21
JPH07190811A (en) 1995-07-28
EP0650846A2 (en) 1995-05-03
JP3459125B2 (en) 2003-10-20
DE69415129T2 (en) 1999-04-29
EP0650846B1 (en) 1998-12-09

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