DE69415129D1 - Self-adjusting control of the distance between printhead and recording medium in inkjet printers - Google Patents

Self-adjusting control of the distance between printhead and recording medium in inkjet printers

Info

Publication number
DE69415129D1
DE69415129D1 DE69415129T DE69415129T DE69415129D1 DE 69415129 D1 DE69415129 D1 DE 69415129D1 DE 69415129 T DE69415129 T DE 69415129T DE 69415129 T DE69415129 T DE 69415129T DE 69415129 D1 DE69415129 D1 DE 69415129D1
Authority
DE
Germany
Prior art keywords
printhead
self
distance
recording medium
adjusting control
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
DE69415129T
Other languages
German (de)
Other versions
DE69415129T2 (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.)
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
Priority claimed from US08/145,354 external-priority patent/US5510815A/en
Priority claimed from US08/145,019 external-priority patent/US5414453A/en
Application filed by Hewlett Packard Co filed Critical Hewlett Packard Co
Application granted granted Critical
Publication of DE69415129D1 publication Critical patent/DE69415129D1/en
Publication of DE69415129T2 publication Critical patent/DE69415129T2/en
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
    • 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
DE69415129T 1993-10-29 1994-10-27 Self-adjusting control of the distance between printhead and recording medium in inkjet printers Expired - Fee Related DE69415129T2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/145,354 US5510815A (en) 1993-10-29 1993-10-29 Adjustable pen-to-paper spacing in printers using black and color pens
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

Publications (2)

Publication Number Publication Date
DE69415129D1 true DE69415129D1 (en) 1999-01-21
DE69415129T2 DE69415129T2 (en) 1999-04-29

Family

ID=26842582

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69415129T Expired - Fee Related DE69415129T2 (en) 1993-10-29 1994-10-27 Self-adjusting control of the distance between printhead and recording medium in inkjet printers

Country Status (3)

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

Families Citing this family (9)

* 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

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0334548B1 (en) * 1988-03-21 1993-12-22 Hewlett-Packard Company Device to assure paper flatness and pen-to-paper spacing during printing
US5227809A (en) * 1991-06-17 1993-07-13 Tektronix, Inc. Automatic print head spacing mechanism for ink jet printer
JPH05104710A (en) * 1991-10-21 1993-04-27 Brother Ind Ltd Recording device
US5455607A (en) * 1993-05-03 1995-10-03 Hewlett-Packard Company Black text quality in printers using multiple black and color pens

Also Published As

Publication number Publication date
EP0650846B1 (en) 1998-12-09
EP0650846A2 (en) 1995-05-03
EP0650846A3 (en) 1995-11-22
JPH07190811A (en) 1995-07-28
DE69415129T2 (en) 1999-04-29
JP3459125B2 (en) 2003-10-20

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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