FR2235801A1 - Droplet generator for ink jet printer - impedance transducer fixed to generator housing at node point of vibration amplitude - Google Patents

Droplet generator for ink jet printer - impedance transducer fixed to generator housing at node point of vibration amplitude

Info

Publication number
FR2235801A1
FR2235801A1 FR7417754A FR7417754A FR2235801A1 FR 2235801 A1 FR2235801 A1 FR 2235801A1 FR 7417754 A FR7417754 A FR 7417754A FR 7417754 A FR7417754 A FR 7417754A FR 2235801 A1 FR2235801 A1 FR 2235801A1
Authority
FR
France
Prior art keywords
generator
ink jet
jet printer
vibration amplitude
impedance transducer
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
FR7417754A
Other languages
French (fr)
Other versions
FR2235801B1 (en
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.)
International Business Machines Corp
Original Assignee
International Business Machines Corp
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 International Business Machines Corp filed Critical International Business Machines Corp
Publication of FR2235801A1 publication Critical patent/FR2235801A1/en
Application granted granted Critical
Publication of FR2235801B1 publication Critical patent/FR2235801B1/fr
Granted 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
    • B41J2/015—Ink jet characterised by the jet generation process
    • B41J2/02—Ink jet characterised by the jet generation process generating a continuous ink jet
    • B41J2/025—Ink jet characterised by the jet generation process generating a continuous ink jet by vibration

Landscapes

  • Particle Formation And Scattering Control In Inkjet Printers (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
  • Facsimile Heads (AREA)

Abstract

The impedance transducer is attached to the wall opposite to that which holds the nozzle and is exponentially tapered with its larger diameter end located outside the generator housing. The transducer provides an acoustic length equivalent to an even numbered multiple of the half wave length of the droplet excitation frequency. More specifically the acoustic length equals one half of the wavelength. A piezoelectric ceramic connected to an excitation source is fixed to the broader end of the transducer.
FR7417754A 1973-07-02 1974-05-15 Droplet generator for ink jet printer - impedance transducer fixed to generator housing at node point of vibration amplitude Granted FR2235801A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US37607373A 1973-07-02 1973-07-02

Publications (2)

Publication Number Publication Date
FR2235801A1 true FR2235801A1 (en) 1975-01-31
FR2235801B1 FR2235801B1 (en) 1976-12-24

Family

ID=23483597

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7417754A Granted FR2235801A1 (en) 1973-07-02 1974-05-15 Droplet generator for ink jet printer - impedance transducer fixed to generator housing at node point of vibration amplitude

Country Status (3)

Country Link
JP (1) JPS5039423A (en)
DE (1) DE2431078A1 (en)
FR (1) FR2235801A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0095333A2 (en) * 1982-05-20 1983-11-30 Dataproducts Corporation Drop on demand ink jet apparatus

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5279829U (en) * 1975-12-12 1977-06-14
JPS5579164A (en) * 1978-12-13 1980-06-14 Ricoh Co Ltd Recorder
JPS58180045U (en) * 1982-05-25 1983-12-01 横河電機株式会社 Inkjet head mechanism
JPS59135164A (en) * 1983-01-21 1984-08-03 Fuji Sangyo Kk Inkjet head apparatus
JPS60131249A (en) * 1983-12-19 1985-07-12 Fuji Sangyo Kk Ink jet printer
JPS60147348A (en) * 1984-01-11 1985-08-03 Fuji Sangyo Kk Ink jet printer
JPS60147349A (en) * 1984-01-13 1985-08-03 Fuji Sangyo Kk Ink jet printer

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0095333A2 (en) * 1982-05-20 1983-11-30 Dataproducts Corporation Drop on demand ink jet apparatus
EP0095333A3 (en) * 1982-05-20 1985-05-22 Exxon Research And Engineering Company Drop on demand ink jet apparatus

Also Published As

Publication number Publication date
JPS5039423A (en) 1975-04-11
FR2235801B1 (en) 1976-12-24
DE2431078A1 (en) 1975-01-23

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Legal Events

Date Code Title Description
ST Notification of lapse