JPS57201673A - Magnetic ink recording head - Google Patents

Magnetic ink recording head

Info

Publication number
JPS57201673A
JPS57201673A JP8644681A JP8644681A JPS57201673A JP S57201673 A JPS57201673 A JP S57201673A JP 8644681 A JP8644681 A JP 8644681A JP 8644681 A JP8644681 A JP 8644681A JP S57201673 A JPS57201673 A JP S57201673A
Authority
JP
Japan
Prior art keywords
ink
groove
magnetic
electrode
impressed
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
JP8644681A
Other languages
Japanese (ja)
Other versions
JPH0132782B2 (en
Inventor
Chiaki Daito
Masaki Nakagawa
Hiroyuki Irie
Nobuaki Yoshida
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.)
MATSUSHITA DENSOU KIKI KK
Panasonic System Solutions Japan Co Ltd
Panasonic Holdings Corp
Original Assignee
MATSUSHITA DENSOU KIKI KK
Matsushita Graphic Communication Systems Inc
Matsushita Electric Industrial Co Ltd
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 MATSUSHITA DENSOU KIKI KK, Matsushita Graphic Communication Systems Inc, Matsushita Electric Industrial Co Ltd filed Critical MATSUSHITA DENSOU KIKI KK
Priority to JP8644681A priority Critical patent/JPS57201673A/en
Publication of JPS57201673A publication Critical patent/JPS57201673A/en
Publication of JPH0132782B2 publication Critical patent/JPH0132782B2/ja
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
    • B41J2/04—Ink jet characterised by the jet generation process generating single droplets or particles on demand
    • B41J2/06—Ink jet characterised by the jet generation process generating single droplets or particles on demand by electric or magnetic field
    • B41J2/065—Ink jet characterised by the jet generation process generating single droplets or particles on demand by electric or magnetic field involving the preliminary making of ink protuberances

Landscapes

  • Printers Or Recording Devices Using Electromagnetic And Radiation Means (AREA)
  • Particle Formation And Scattering Control In Inkjet Printers (AREA)

Abstract

PURPOSE:To supply a magnetic ink with sufficient stability against consumption of large amounts of ink and obtain a constantly excellent and stable ejection characteristic, by providing an auxiliary ink groove in proximity to a magnetic needle electrode orthogonally to an ink groove. CONSTITUTION:The magnetic ink 13 in an ink tank 14 is supplied into an ink chamber 12 provided in a non-magnetic base 18 through a supplying pipe 5. When the ink chamber 12 is filled up with the ink 13, a capillary action causes the ink to flow upwards in an ink supply passage formed by an ink chamber cover 6 and a plurality of ink grooves 12 which are U-shaped in cross section, so that the ink grooves 2 and the auxiliary ink groove 4 are filled up with the ink 13, and the ink 13 forms a meniscus at the tip of the groove 2 due to the magnetic force of the magnetic needle electrode 3 magnetized by a magnetizing means 8 and the surface tension of the ink 13. Then, a bias voltage is impressed between a picture signal voltage impressing means 10 and a counter electrode 7, and a pulse voltage corresponding to the picture signal is impressed on the electrode 3, whereby the ink is ejected from the tip part of the groove 2 and flown to produce an image on the surface of a recording paper 9.
JP8644681A 1981-06-04 1981-06-04 Magnetic ink recording head Granted JPS57201673A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8644681A JPS57201673A (en) 1981-06-04 1981-06-04 Magnetic ink recording head

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8644681A JPS57201673A (en) 1981-06-04 1981-06-04 Magnetic ink recording head

Publications (2)

Publication Number Publication Date
JPS57201673A true JPS57201673A (en) 1982-12-10
JPH0132782B2 JPH0132782B2 (en) 1989-07-10

Family

ID=13887142

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8644681A Granted JPS57201673A (en) 1981-06-04 1981-06-04 Magnetic ink recording head

Country Status (1)

Country Link
JP (1) JPS57201673A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0799703A2 (en) * 1996-04-06 1997-10-08 Francotyp-Postalia AG & Co. Device for preventing reusability of a reservoir for supplying ink

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5342032A (en) * 1976-09-28 1978-04-17 Nec Corp Magnetic ink droplet generator
JPS5511886A (en) * 1978-07-14 1980-01-28 Seiko Epson Corp Ink jet recording device
JPS55100159A (en) * 1979-01-24 1980-07-30 Matsushita Electric Ind Co Ltd Image forming device
JPS5660458A (en) * 1979-10-24 1981-05-25 Matsushita Electric Ind Co Ltd Picture forming device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5342032A (en) * 1976-09-28 1978-04-17 Nec Corp Magnetic ink droplet generator
JPS5511886A (en) * 1978-07-14 1980-01-28 Seiko Epson Corp Ink jet recording device
JPS55100159A (en) * 1979-01-24 1980-07-30 Matsushita Electric Ind Co Ltd Image forming device
JPS5660458A (en) * 1979-10-24 1981-05-25 Matsushita Electric Ind Co Ltd Picture forming device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0799703A2 (en) * 1996-04-06 1997-10-08 Francotyp-Postalia AG & Co. Device for preventing reusability of a reservoir for supplying ink
EP0799703A3 (en) * 1996-04-06 1998-03-25 Francotyp-Postalia AG & Co. Device for preventing reusability of a reservoir for supplying ink
US5929884A (en) * 1996-04-06 1999-07-27 Francotyp Postalia Ag & Co. Device for preventing re-use of a container for supplying ink

Also Published As

Publication number Publication date
JPH0132782B2 (en) 1989-07-10

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