DE60025890D1 - Verbesserter Druckkopf - Google Patents
Verbesserter DruckkopfInfo
- Publication number
- DE60025890D1 DE60025890D1 DE60025890T DE60025890T DE60025890D1 DE 60025890 D1 DE60025890 D1 DE 60025890D1 DE 60025890 T DE60025890 T DE 60025890T DE 60025890 T DE60025890 T DE 60025890T DE 60025890 D1 DE60025890 D1 DE 60025890D1
- Authority
- DE
- Germany
- Prior art keywords
- improved printhead
- printhead
- improved
- 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 - Lifetime
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
- B41J2/045—Ink jet characterised by the jet generation process generating single droplets or particles on demand by pressure, e.g. electromechanical transducers
- B41J2/04501—Control methods or devices therefor, e.g. driver circuits, control circuits
- B41J2/04541—Specific driving circuit
-
- 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
- B41J2/045—Ink jet characterised by the jet generation process generating single droplets or particles on demand by pressure, e.g. electromechanical transducers
- B41J2/04501—Control methods or devices therefor, e.g. driver circuits, control circuits
- B41J2/04543—Block driving
-
- 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
- B41J2/045—Ink jet characterised by the jet generation process generating single droplets or particles on demand by pressure, e.g. electromechanical transducers
- B41J2/04501—Control methods or devices therefor, e.g. driver circuits, control circuits
- B41J2/04546—Multiplexing
-
- 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
- B41J2/045—Ink jet characterised by the jet generation process generating single droplets or particles on demand by pressure, e.g. electromechanical transducers
- B41J2/04501—Control methods or devices therefor, e.g. driver circuits, control circuits
- B41J2/04548—Details of power line section of control circuit
-
- 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
- B41J2/045—Ink jet characterised by the jet generation process generating single droplets or particles on demand by pressure, e.g. electromechanical transducers
- B41J2/04501—Control methods or devices therefor, e.g. driver circuits, control circuits
- B41J2/0458—Control methods or devices therefor, e.g. driver circuits, control circuits controlling heads based on heating elements forming bubbles
-
- 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
- B41J2/135—Nozzles
- B41J2/14—Structure thereof only for on-demand ink jet heads
- B41J2/14016—Structure of bubble jet print heads
- B41J2/14032—Structure of the pressure chamber
- B41J2/1404—Geometrical characteristics
-
- 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
- B41J2/135—Nozzles
- B41J2/14—Structure thereof only for on-demand ink jet heads
- B41J2/14016—Structure of bubble jet print heads
- B41J2/14072—Electrical connections, e.g. details on electrodes, connecting the chip to the outside...
-
- 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
- B41J2/135—Nozzles
- B41J2/145—Arrangement thereof
- B41J2/15—Arrangement thereof for serial printing
-
- 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
- B41J2/21—Ink jet for multi-colour printing
- B41J2/2121—Ink jet for multi-colour printing characterised by dot size, e.g. combinations of printed dots of different diameter
-
- 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
- B41J2/135—Nozzles
- B41J2/14—Structure thereof only for on-demand ink jet heads
- B41J2/14016—Structure of bubble jet print heads
- B41J2002/14169—Bubble vented to the ambience
-
- 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
- B41J2/135—Nozzles
- B41J2/14—Structure thereof only for on-demand ink jet heads
- B41J2/14016—Structure of bubble jet print heads
- B41J2002/14177—Segmented heater
-
- 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
- B41J2/135—Nozzles
- B41J2/14—Structure thereof only for on-demand ink jet heads
- B41J2002/14387—Front shooter
-
- 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
- B41J2/135—Nozzles
- B41J2/14—Structure thereof only for on-demand ink jet heads
- B41J2002/14467—Multiple feed channels per ink chamber
-
- 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
- B41J2/135—Nozzles
- B41J2/14—Structure thereof only for on-demand ink jet heads
- B41J2002/14475—Structure thereof only for on-demand ink jet heads characterised by nozzle shapes or number of orifices per chamber
Landscapes
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Particle Formation And Scattering Control In Inkjet Printers (AREA)
- Ink Jet (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/300,785 US6310639B1 (en) | 1996-02-07 | 1999-04-27 | Printer printhead |
US300785 | 1999-04-27 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE60025890D1 true DE60025890D1 (de) | 2006-04-20 |
DE60025890T2 DE60025890T2 (de) | 2006-09-28 |
Family
ID=23160571
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE60025890T Expired - Lifetime DE60025890T2 (de) | 1999-04-27 | 2000-04-18 | Verbesserter Druckkopf |
Country Status (5)
Country | Link |
---|---|
US (2) | US6310639B1 (de) |
EP (1) | EP1048465B1 (de) |
KR (1) | KR100783976B1 (de) |
CN (1) | CN1170676C (de) |
DE (1) | DE60025890T2 (de) |
Families Citing this family (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AUPP702498A0 (en) * | 1998-11-09 | 1998-12-03 | Silverbrook Research Pty Ltd | Image creation method and apparatus (ART77) |
US6481817B1 (en) * | 2000-10-30 | 2002-11-19 | Hewlett-Packard Company | Method and apparatus for ejecting ink |
US6922203B2 (en) * | 2001-06-06 | 2005-07-26 | Hewlett-Packard Development Company, L.P. | Barrier/orifice design for improved printhead performance |
US7575298B2 (en) * | 2002-04-12 | 2009-08-18 | Silverbrook Research Pty Ltd | Inkjet printhead with ink supply passage to nozzle etched from opposing sides of wafer |
US7083266B2 (en) * | 2002-10-30 | 2006-08-01 | Lexmark International, Inc. | Micro-miniature fluid jetting device |
US6672712B1 (en) * | 2002-10-31 | 2004-01-06 | Hewlett-Packard Development Company, L.P. | Slotted substrates and methods and systems for forming same |
US8091984B2 (en) * | 2002-12-02 | 2012-01-10 | Silverbrook Research Pty Ltd | Inkjet printhead employing active and static ink ejection structures |
US6786575B2 (en) * | 2002-12-17 | 2004-09-07 | Lexmark International, Inc. | Ink jet heater chip and method therefor |
US7210761B2 (en) * | 2003-09-23 | 2007-05-01 | Hewlett-Packard Development Company, L.P. | Wiper apparatus and method for cleaning a printhead |
WO2005110764A1 (en) * | 2004-04-13 | 2005-11-24 | Lexmark International, Inc. | Micro-miniature fluid jetting device |
US7384113B2 (en) * | 2004-04-19 | 2008-06-10 | Hewlett-Packard Development Company, L.P. | Fluid ejection device with address generator |
US20050237354A1 (en) * | 2004-04-25 | 2005-10-27 | Quintana Jason M | Selection of printheads via enable lines |
US7293359B2 (en) * | 2004-04-29 | 2007-11-13 | Hewlett-Packard Development Company, L.P. | Method for manufacturing a fluid ejection device |
US7387370B2 (en) * | 2004-04-29 | 2008-06-17 | Hewlett-Packard Development Company, L.P. | Microfluidic architecture |
CN100503248C (zh) * | 2004-06-02 | 2009-06-24 | 佳能株式会社 | 头基板、记录头、头盒、记录装置以及信息输入输出方法 |
US20060000925A1 (en) * | 2004-06-30 | 2006-01-05 | Maher Colin G | Reduced sized micro-fluid jet nozzle structure |
US7593857B2 (en) * | 2004-07-27 | 2009-09-22 | Neopost Technologies | Selectively expanding and printing indicia information |
US7735965B2 (en) * | 2005-03-31 | 2010-06-15 | Lexmark International Inc. | Overhanging nozzles |
JP2007152339A (ja) | 2005-11-11 | 2007-06-21 | Seiko Epson Corp | 吐出方法およびカラーフィルタの製造方法、電気光学装置および電子機器 |
US20080036810A1 (en) * | 2006-06-29 | 2008-02-14 | Dixon Michael J | Printing Processes Such as for Uniform Deposition of Materials and Surface Roughness Control |
US8044971B2 (en) * | 2008-01-31 | 2011-10-25 | Arm Norway As | Methods of and apparatus for processing computer graphics |
KR101684727B1 (ko) | 2010-07-23 | 2016-12-08 | 휴렛-팩커드 디벨롭먼트 컴퍼니, 엘.피. | 열 저항기 유체 토출 어셈블리 |
US9937522B2 (en) | 2013-12-05 | 2018-04-10 | Massachusetts Institute Of Technology | Discrete deposition of particles |
EP3099492B1 (de) | 2014-01-31 | 2021-03-03 | Hewlett-Packard Development Company, L.P. | Ineinandergreifende druckköpfe |
CN111791608B (zh) * | 2020-09-10 | 2021-02-26 | 季华实验室 | 一种喷墨打印头无缝拼接的误差调整方法 |
Family Cites Families (37)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB517519A (en) | 1938-07-07 | 1940-02-01 | Ljungstroms Angturbin Ab | Improvements in hydromechanical power transmission means for vehicles |
NL77421C (de) | 1945-10-27 | |||
GB730961A (en) | 1951-02-07 | 1955-06-01 | Algemene Kunstzijde Unie Nv | Improved process for preparing sodium carboxymethylcellulose low in salt content |
US4463359A (en) | 1979-04-02 | 1984-07-31 | Canon Kabushiki Kaisha | Droplet generating method and apparatus thereof |
JPS5931943B2 (ja) | 1979-04-02 | 1984-08-06 | キヤノン株式会社 | 液体噴射記録法 |
DE2949616C2 (de) | 1979-12-10 | 1982-12-16 | Siemens AG, 1000 Berlin und 8000 München | Schreibkopf für Tintenmosaikschreibeeinrichtungen |
US4415909A (en) * | 1981-10-26 | 1983-11-15 | Ncr Corporation | Multiple nozzle ink jet print head |
US4514741A (en) | 1982-11-22 | 1985-04-30 | Hewlett-Packard Company | Thermal ink jet printer utilizing a printhead resistor having a central cold spot |
US4621273A (en) | 1982-12-16 | 1986-11-04 | Hewlett-Packard Company | Print head for printing or vector plotting with a multiplicity of line widths |
EP0124312A3 (de) | 1983-04-29 | 1985-08-28 | Hewlett-Packard Company | Widerstandsanordnungen für thermische Tintenstrahldrucker |
US4550326A (en) | 1983-05-02 | 1985-10-29 | Hewlett-Packard Company | Fluidic tuning of impulse jet devices using passive orifices |
US4578687A (en) | 1984-03-09 | 1986-03-25 | Hewlett Packard Company | Ink jet printhead having hydraulically separated orifices |
US4716423A (en) | 1985-11-22 | 1987-12-29 | Hewlett-Packard Company | Barrier layer and orifice plate for thermal ink jet print head assembly and method of manufacture |
US5258774A (en) | 1985-11-26 | 1993-11-02 | Dataproducts Corporation | Compensation for aerodynamic influences in ink jet apparatuses having ink jet chambers utilizing a plurality of orifices |
US4894664A (en) | 1986-04-28 | 1990-01-16 | Hewlett-Packard Company | Monolithic thermal ink jet printhead with integral nozzle and ink feed |
US4847630A (en) | 1987-12-17 | 1989-07-11 | Hewlett-Packard Company | Integrated thermal ink jet printhead and method of manufacture |
US4870433A (en) | 1988-07-28 | 1989-09-26 | International Business Machines Corporation | Thermal drop-on-demand ink jet print head |
US4972270A (en) * | 1989-04-17 | 1990-11-20 | Stephen Kurtin | Facsimile recorder with acutely mounted staggered array ink jet printhead |
US4967203A (en) | 1989-09-29 | 1990-10-30 | Hewlett-Packard Company | Interlace printing process |
US5583550A (en) | 1989-09-29 | 1996-12-10 | Hewlett-Packard Company | Ink drop placement for improved imaging |
US4999646A (en) | 1989-11-29 | 1991-03-12 | Hewlett-Packard Company | Method for enhancing the uniformity and consistency of dot formation produced by color ink jet printing |
US5103246A (en) | 1989-12-11 | 1992-04-07 | Hewlett-Packard Company | X-Y multiplex drive circuit and associated ink feed connection for maximizing packing density on thermal ink jet (TIJ) printheads |
US5245244A (en) * | 1991-03-19 | 1993-09-14 | Brother Kogyo Kabushiki Kaisha | Piezoelectric ink droplet ejecting device |
US6513906B1 (en) | 1991-06-06 | 2003-02-04 | Canon Kabushiki Kaisha | Recording apparatus and recording method |
SG47435A1 (en) | 1992-10-08 | 1998-04-17 | Hewlett Packard Co | Printhead with reduced interconnections to a printer |
US5357081A (en) | 1993-01-21 | 1994-10-18 | Hewlett-Packard Company | Power supply for individual control of power delivered to integrated drive thermal inkjet printhead heater resistors |
IT1270861B (it) | 1993-05-31 | 1997-05-13 | Olivetti Canon Ind Spa | Testina a getto di inchiostro perfezionata per una stampante a punti |
US5508724A (en) | 1993-09-07 | 1996-04-16 | Hewlett-Packard Company | Passive multiplexing using sparse arrays |
US5598189A (en) | 1993-09-07 | 1997-01-28 | Hewlett-Packard Company | Bipolar integrated ink jet printhead driver |
JPH07251506A (ja) | 1994-02-18 | 1995-10-03 | Xerox Corp | 加熱素子制御システム |
JP3305115B2 (ja) | 1994-06-01 | 2002-07-22 | キヤノン株式会社 | 記録装置及び方法、及び記録ヘッドとその駆動回路 |
JP3581445B2 (ja) | 1994-08-24 | 2004-10-27 | キヤノン株式会社 | 記録方法およびその装置 |
EP0730961B1 (de) | 1995-03-08 | 1999-06-30 | Hewlett-Packard Company | Tintenstrahldrucker |
US6099108A (en) * | 1997-03-05 | 2000-08-08 | Hewlett-Packard Company | Method and apparatus for improved ink-drop distribution in ink-jet printing |
US6000787A (en) * | 1996-02-07 | 1999-12-14 | Hewlett-Packard Company | Solid state ink jet print head |
US6020905A (en) | 1997-01-24 | 2000-02-01 | Lexmark International, Inc. | Ink jet printhead for drop size modulation |
JP4028067B2 (ja) | 1998-02-26 | 2007-12-26 | 東芝テック株式会社 | 記録ヘッドの駆動方法 |
-
1999
- 1999-04-27 US US09/300,785 patent/US6310639B1/en not_active Expired - Fee Related
-
2000
- 2000-04-18 DE DE60025890T patent/DE60025890T2/de not_active Expired - Lifetime
- 2000-04-18 EP EP00303247A patent/EP1048465B1/de not_active Expired - Lifetime
- 2000-04-25 KR KR1020000021888A patent/KR100783976B1/ko not_active IP Right Cessation
- 2000-04-27 CN CNB001081020A patent/CN1170676C/zh not_active Expired - Fee Related
-
2001
- 2001-03-06 US US09/800,873 patent/US6540325B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US20010012032A1 (en) | 2001-08-09 |
US6310639B1 (en) | 2001-10-30 |
KR20000071805A (ko) | 2000-11-25 |
CN1271649A (zh) | 2000-11-01 |
EP1048465A2 (de) | 2000-11-02 |
EP1048465A3 (de) | 2001-03-28 |
EP1048465B1 (de) | 2006-02-08 |
US6540325B2 (en) | 2003-04-01 |
CN1170676C (zh) | 2004-10-13 |
DE60025890T2 (de) | 2006-09-28 |
KR100783976B1 (ko) | 2007-12-11 |
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