EP0730972A3 - Printhead thermal control - Google Patents

Printhead thermal control Download PDF

Info

Publication number: EP0730972A3
Authority: EP; European Patent Office
Prior art keywords: thermal control; printhead thermal; printhead; control; thermal
Prior art date: 1995-03-07
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

EP96101152A

Other languages

German (de)

French (fr)

Other versions

EP0730972B1 (en

EP0730972A2 (en

Inventor

Stephan Guenther

Dieter Woelm

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.)

Francotyp Postalia GmbH

Original Assignee

Francotyp Postalia GmbH

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.)

1995-03-07

Filing date

1996-01-27

Publication date

1996-12-27

1996-01-27 Application filed by Francotyp Postalia GmbH filed Critical Francotyp Postalia GmbH

1996-09-11 Publication of EP0730972A2 publication Critical patent/EP0730972A2/en

1996-12-27 Publication of EP0730972A3 publication Critical patent/EP0730972A3/en

1998-08-05 Application granted granted Critical

1998-08-05 Publication of EP0730972B1 publication Critical patent/EP0730972B1/en

2016-01-27 Anticipated expiration legal-status Critical

Status Expired - Lifetime 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
- B41J2/315—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of heat to a heat sensitive printing or impression-transfer material
- B41J2/32—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of heat to a heat sensitive printing or impression-transfer material using thermal heads
- B41J2/35—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of heat to a heat sensitive printing or impression-transfer material using thermal heads providing current or voltage to the thermal head
- B41J2/355—Control circuits for heating-element selection
- B41J2/36—Print density control
- B41J2/365—Print density control by compensation for variation in temperature
- 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
- B41J2/315—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of heat to a heat sensitive printing or impression-transfer material
- B41J2/38—Preheating, i.e. heating to a temperature insufficient to cause printing

EP96101152A 1995-03-07 1996-01-27 Printhead thermal control Expired - Lifetime EP0730972B1 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
DE29504576U DE29504576U1 (en)	1995-03-07	1995-03-07	Print head thermal control
DE29504576U		1995-03-07

Publications (3)

Publication Number	Publication Date
EP0730972A2 EP0730972A2 (en)	1996-09-11
EP0730972A3 true EP0730972A3 (en)	1996-12-27
EP0730972B1 EP0730972B1 (en)	1998-08-05

Family

ID=8005497

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP96101152A Expired - Lifetime EP0730972B1 (en)	1995-03-07	1996-01-27	Printhead thermal control

Country Status (3)

Country	Link
US (1)	US5838356A (en)
EP (1)	EP0730972B1 (en)
DE (2)	DE29504576U1 (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB9801743D0 (en) *	1998-01-28	1998-03-25	Neopost Ltd	Digital print head data registration
US6476838B1 (en)	1999-09-03	2002-11-05	Oki Data America, Inc.	Method of driving a thermal print head
US6409298B1 (en)	2000-05-31	2002-06-25	Lexmark International, Inc.	System and method for controlling current density in thermal printheads
US7249825B2 (en) *	2003-05-09	2007-07-31	Hewlett-Packard Development Company, L.P.	Fluid ejection device with data storage structure
DE102004027517B4 (en) *	2004-06-03	2007-05-10	Francotyp-Postalia Gmbh	Arrangement and method for controlling a thermal transfer print head
TWI243759B (en) *	2004-12-30	2005-11-21	Ind Tech Res Inst	A temperature control method and an apparatus for the printhead
CN100411875C (en) *	2005-04-15	2008-08-20	光宝科技股份有限公司	Heat printer printing head with temperature control function
JP5979035B2 (en) *	2013-02-18	2016-08-24	ブラザー工業株式会社	Inkjet recording device
US11853629B1 (en)	2022-10-27	2023-12-26	Xerox Corporation	System and method for feed forward control of printhead temperature in an inkjet printer to improve ink image quality

Citations (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3577137A (en) *	1968-12-31	1971-05-04	Texas Instruments Inc	Temperature compensated electronic display
EP0013918A1 (en) *	1979-01-29	1980-08-06	Siemens Aktiengesellschaft	Switching circuit for the temperature-dependent voltage regulation of piezoelectric printing nozzles in mosaic ink jet printers
US4510507A (en) *	1982-08-05	1985-04-09	Canon Kabushiki Kaisha	Thermal recording apparatus
EP0260917A2 (en) *	1986-09-19	1988-03-23	Shinko Electric Co. Ltd.	Thermal transfer type printer
EP0329369A2 (en) *	1988-02-15	1989-08-23	Shinko Denki Kabushiki Kaisha	Method and apparatus for energizing thermal head of a thermal printer
WO1990003554A1 (en) *	1988-09-23	1990-04-05	Datacard Corporation	Thermal print head temperature control
EP0420412A1 (en) *	1989-08-25	1991-04-03	Sharp Kabushiki Kaisha	Thermal head
EP0421353A2 (en) *	1989-10-03	1991-04-10	Seiko Epson Corporation	Drive control device for thermal printers
EP0482850A2 (en) *	1990-10-20	1992-04-29	Gold Star Co. Ltd	TPH temperature control apparatus
US5181048A (en) *	1990-08-31	1993-01-19	Samsung Electronics Co., Ltd.	Preheated thermal print apparatus for video printer

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS5857977A (en) *	1981-10-02	1983-04-06	Canon Inc	Thermal transcription printer
EP0279637B1 (en) *	1987-02-18	1994-09-21	Matsushita Electric Industrial Co., Ltd.	Thermal printer
JP2502345B2 (en) *	1988-06-28	1996-05-29	株式会社日立製作所	Thermal head drive
DE3833746A1 (en) *	1988-09-30	1990-04-05	Siemens Ag	Thermal printing with pre-heating resistor elements - energised by actual data and by clock pulse of variable width and height
US5241489A (en) *	1989-10-02	1993-08-31	Sharp Kabushiki Kaisha	Electronic computer with fraction and exponent display
DE4026896C2 (en) *	1990-08-23	1998-11-05	Eastman Kodak Co	Thermal printing process
DE4133207A1 (en) *	1991-10-07	1993-04-15	Francotyp Postalia Gmbh	METHOD FOR CONTROLLING THE SUPPLY OF A THERMAL PRINT HEATING ELEMENT
DE4225798A1 (en) *	1992-07-31	1994-02-03	Francotyp Postalia Gmbh	Economical thermal transfer printing process and arrangement for implementation

1995
- 1995-03-07 DE DE29504576U patent/DE29504576U1/en not_active Expired - Lifetime
1996
- 1996-01-27 EP EP96101152A patent/EP0730972B1/en not_active Expired - Lifetime
- 1996-01-27 DE DE59600393T patent/DE59600393D1/en not_active Expired - Fee Related
- 1996-03-04 US US08/609,950 patent/US5838356A/en not_active Expired - Fee Related

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3577137A (en) *	1968-12-31	1971-05-04	Texas Instruments Inc	Temperature compensated electronic display
EP0013918A1 (en) *	1979-01-29	1980-08-06	Siemens Aktiengesellschaft	Switching circuit for the temperature-dependent voltage regulation of piezoelectric printing nozzles in mosaic ink jet printers
US4510507A (en) *	1982-08-05	1985-04-09	Canon Kabushiki Kaisha	Thermal recording apparatus
EP0260917A2 (en) *	1986-09-19	1988-03-23	Shinko Electric Co. Ltd.	Thermal transfer type printer
EP0329369A2 (en) *	1988-02-15	1989-08-23	Shinko Denki Kabushiki Kaisha	Method and apparatus for energizing thermal head of a thermal printer
WO1990003554A1 (en) *	1988-09-23	1990-04-05	Datacard Corporation	Thermal print head temperature control
EP0420412A1 (en) *	1989-08-25	1991-04-03	Sharp Kabushiki Kaisha	Thermal head
EP0421353A2 (en) *	1989-10-03	1991-04-10	Seiko Epson Corporation	Drive control device for thermal printers
US5181048A (en) *	1990-08-31	1993-01-19	Samsung Electronics Co., Ltd.	Preheated thermal print apparatus for video printer
EP0482850A2 (en) *	1990-10-20	1992-04-29	Gold Star Co. Ltd	TPH temperature control apparatus

Also Published As

Publication number	Publication date
US5838356A (en)	1998-11-17
DE29504576U1 (en)	1995-05-11
EP0730972B1 (en)	1998-08-05
EP0730972A2 (en)	1996-09-11
DE59600393D1 (en)	1998-09-10

Legal Events

Date	Code	Title	Description
1996-07-26	PUAI	Public reference made under article 153(3) epc to a published international application that has entered the european phase	Free format text: ORIGINAL CODE: 0009012
1996-09-11	AK	Designated contracting states	Kind code of ref document: A2 Designated state(s): CH DE FR GB IT LI
1996-11-08	PUAL	Search report despatched	Free format text: ORIGINAL CODE: 0009013
1996-12-27	AK	Designated contracting states	Kind code of ref document: A3 Designated state(s): CH DE FR GB IT LI
1997-03-26	17P	Request for examination filed	Effective date: 19970123
1997-12-02	GRAG	Despatch of communication of intention to grant	Free format text: ORIGINAL CODE: EPIDOS AGRA
1998-01-16	GRAG	Despatch of communication of intention to grant	Free format text: ORIGINAL CODE: EPIDOS AGRA
1998-01-16	GRAH	Despatch of communication of intention to grant a patent	Free format text: ORIGINAL CODE: EPIDOS IGRA
1998-01-21	17Q	First examination report despatched	Effective date: 19971205
1998-02-11	GRAH	Despatch of communication of intention to grant a patent	Free format text: ORIGINAL CODE: EPIDOS IGRA
1998-06-19	GRAA	(expected) grant	Free format text: ORIGINAL CODE: 0009210
1998-08-05	AK	Designated contracting states	Kind code of ref document: B1 Designated state(s): CH DE FR GB IT LI
1998-08-14	REG	Reference to a national code	Ref country code: CH Ref legal event code: NV Representative=s name: ROTTMANN, ZIMMERMANN + PARTNER AG Ref country code: CH Ref legal event code: EP
1998-09-10	REF	Corresponds to:	Ref document number: 59600393 Country of ref document: DE Date of ref document: 19980910
1998-10-07	GBT	Gb: translation of ep patent filed (gb section 77(6)(a)/1977)	Effective date: 19980916
1998-12-24	ET	Fr: translation filed
1999-06-11	PLBE	No opposition filed within time limit	Free format text: ORIGINAL CODE: 0009261
1999-06-11	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT
1999-07-28	26N	No opposition filed
2002-01-01	REG	Reference to a national code	Ref country code: GB Ref legal event code: IF02
2009-05-29	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: DE Payment date: 20081217 Year of fee payment: 14
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