JPS6394850A - Method of driving ink jet recorder - Google Patents

Method of driving ink jet recorder

Info

Publication number
JPS6394850A
JPS6394850A JP23923286A JP23923286A JPS6394850A JP S6394850 A JPS6394850 A JP S6394850A JP 23923286 A JP23923286 A JP 23923286A JP 23923286 A JP23923286 A JP 23923286A JP S6394850 A JPS6394850 A JP S6394850A
Authority
JP
Grant status
Application
Patent type
Prior art keywords
pulse shape
positive
pressure wave
negative
p2
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
JP23923286A
Other versions
JP2724141B2 (en )
Inventor
Atsushi Aoki
Original Assignee
Canon Inc
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

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01DMEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D15/00Component parts of recorders for measuring arrangements not specially adapted for a specific variable
    • G01D15/16Recording elements transferring recording material, e.g. ink, to the recording surface
    • G01D15/18Nozzles emitting recording material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41JTYPEWRITERS; SELECTIVE PRINTING MECHANISMS, e.g. INK-JET PRINTERS, THERMAL PRINTERS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005Typewriters 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
    • B41J2/01Ink jet
    • B41J2/21Ink jet for multi-colour printing
    • B41J2/2121Ink jet for multi-colour printing characterised by dot size, e.g. combinations of printed dots of different diameter
    • B41J2/2128Ink jet for multi-colour printing characterised by dot size, e.g. combinations of printed dots of different diameter by means of energy modulation

Abstract

PURPOSE:To improve discharge stability by providing a composite wave form of two pulse shapes of an electric signal to be supplied to a piezoelectric element, and besides making it a pulse shape which enables the first pulse shape to be supplied and then the second pulse shape is supplied after passage of a specific time. CONSTITUTION:During a period in which an ink chamber 3 is initialized or which follows completion of the initialization, a negative pressure wave p1 makes a return trip through a nozzle after the lapse of 2l/c following the application of a negative pulse shape P1, and returns to the tip of the nozzle in the form of a positive pressure wave p1'. Timed to this, a voltage V3 and negative pulse P3 having a pulse width T1 are applied to provide a negative pressure wave p3. Consequently, the positive pressure wave p1 apparently disappears. After this, a positive pulse shape P2 is applied, and after the lapse of 4l/c, a positive pressure wave p2 shuttles twice through the nozzle. Therefore, after the lapse of 2l/c following the application of the positive pulse shape P2, a negative reflective wave p4' overlaps a positive reflective wave p2' and a pressure wave apparently goes out of sight. if a voltage V4 and a positive pulse shape P4 are applied. Thus high-precision printing can be effected.
JP23923286A 1986-10-09 1986-10-09 The driving method of an inkjet head Expired - Lifetime JP2724141B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP23923286A JP2724141B2 (en) 1986-10-09 1986-10-09 The driving method of an inkjet head

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP23923286A JP2724141B2 (en) 1986-10-09 1986-10-09 The driving method of an inkjet head
US07105014 US4897665A (en) 1986-10-09 1987-10-06 Method of driving an ink jet recording head

Publications (2)

Publication Number Publication Date
JPS6394850A true true JPS6394850A (en) 1988-04-25
JP2724141B2 JP2724141B2 (en) 1998-03-09

Family

ID=17041711

Family Applications (1)

Application Number Title Priority Date Filing Date
JP23923286A Expired - Lifetime JP2724141B2 (en) 1986-10-09 1986-10-09 The driving method of an inkjet head

Country Status (1)

Country Link
JP (1) JP2724141B2 (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5221931A (en) * 1988-04-26 1993-06-22 Canon Kabushiki Kaisha Driving method for ink jet recording head and ink jet recording apparatus performing the method
US6059394A (en) * 1988-04-26 2000-05-09 Canon Kabushiki Kaisha Driving method for ink jet recording head
USRE38941E1 (en) 1997-12-16 2006-01-24 Brother Kogyo Kabushiki Kaisha Ink droplet ejecting method and apparatus
JP2007030311A (en) * 2005-07-26 2007-02-08 Toshiba Tec Corp Driving method for multi-drop inkjet printer head
JP2008030576A (en) * 2006-07-27 2008-02-14 Honda Motor Co Ltd Tray opening prevention device

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5221931A (en) * 1988-04-26 1993-06-22 Canon Kabushiki Kaisha Driving method for ink jet recording head and ink jet recording apparatus performing the method
US6059394A (en) * 1988-04-26 2000-05-09 Canon Kabushiki Kaisha Driving method for ink jet recording head
USRE38941E1 (en) 1997-12-16 2006-01-24 Brother Kogyo Kabushiki Kaisha Ink droplet ejecting method and apparatus
JP2007030311A (en) * 2005-07-26 2007-02-08 Toshiba Tec Corp Driving method for multi-drop inkjet printer head
JP2008030576A (en) * 2006-07-27 2008-02-14 Honda Motor Co Ltd Tray opening prevention device

Also Published As

Publication number Publication date Type
JP2724141B2 (en) 1998-03-09 grant

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term