EP0650836A3 - Temperature control of thermal ink-jet print heads by using synchronous non-nucleating pulses. - Google Patents

Temperature control of thermal ink-jet print heads by using synchronous non-nucleating pulses. Download PDF

Info

Publication number: EP0650836A3
Authority: EP; European Patent Office
Prior art keywords: temperature control; print heads; jet print; thermal ink; synchronous non
Prior art date: 1993-10-27
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

EP94116902A

Other languages

German (de)

French (fr)

Other versions

EP0650836A2 (en

EP0650836B1 (en

Inventor

Jaime H Bohorquez

George H Corrigan

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.)

HP Inc

Original Assignee

Hewlett Packard Co

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.)

1993-10-27

Filing date

1994-10-26

Publication date

1997-03-12

1994-10-26 Application filed by Hewlett Packard Co filed Critical Hewlett Packard Co

1995-05-03 Publication of EP0650836A2 publication Critical patent/EP0650836A2/en

1997-03-12 Publication of EP0650836A3 publication Critical patent/EP0650836A3/en

2000-07-05 Application granted granted Critical

2000-07-05 Publication of EP0650836B1 publication Critical patent/EP0650836B1/en

2014-10-26 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
- B41J2/005—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
- B41J2/04528—Control methods or devices therefor, e.g. driver circuits, control circuits aiming at warming up the head
- 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
- B41J2/04563—Control methods or devices therefor, e.g. driver circuits, control circuits detecting head temperature; Ink 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
- B41J2/005—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

EP19940116902 1993-10-27 1994-10-26 Temperature control of thermal ink-jet print heads by using synchronous non-nucleating pulses Expired - Lifetime EP0650836B1 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US14406993A	1993-10-27	1993-10-27
US144069		1993-10-27

Publications (3)

Publication Number	Publication Date
EP0650836A2 EP0650836A2 (en)	1995-05-03
EP0650836A3 true EP0650836A3 (en)	1997-03-12
EP0650836B1 EP0650836B1 (en)	2000-07-05

Family

ID=22506919

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP19940116902 Expired - Lifetime EP0650836B1 (en)	1993-10-27	1994-10-26	Temperature control of thermal ink-jet print heads by using synchronous non-nucleating pulses

Country Status (3)

Country	Link
EP (1)	EP0650836B1 (en)
JP (1)	JP3521976B2 (en)
DE (1)	DE69425103T2 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB9605547D0 (en)	1996-03-15	1996-05-15	Xaar Ltd	Operation of droplet deposition apparatus
EP0811496B1 (en) *	1996-06-03	2002-10-16	Nec Corporation	Control of inkjet ejection electrodes
US20210008894A1 (en) *	2018-04-30	2021-01-14	Hewlett-Packard Development Company, L.P.	Thermal print pulse pattern

Citations (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP0390202A2 (en) *	1989-03-31	1990-10-03	Canon Kabushiki Kaisha	Ink jet recording head, driving method for same and ink jet recording apparatus
EP0475638A2 (en) *	1990-09-14	1992-03-18	Hewlett-Packard Company	Thermal ink jet printer
EP0511602A1 (en) *	1991-05-01	1992-11-04	Hewlett-Packard Company	Method and apparatus for controlling the temperature of thermal ink jet and thermal printheads through the use of nonprinting pulses
EP0600648A2 (en) *	1992-11-30	1994-06-08	Hewlett-Packard Company	Method and apparatus for the control of thermal ink jet printers

1994
- 1994-10-24 JP JP28432394A patent/JP3521976B2/en not_active Expired - Fee Related
- 1994-10-26 EP EP19940116902 patent/EP0650836B1/en not_active Expired - Lifetime
- 1994-10-26 DE DE1994625103 patent/DE69425103T2/en not_active Expired - Fee Related

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP0390202A2 (en) *	1989-03-31	1990-10-03	Canon Kabushiki Kaisha	Ink jet recording head, driving method for same and ink jet recording apparatus
EP0475638A2 (en) *	1990-09-14	1992-03-18	Hewlett-Packard Company	Thermal ink jet printer
EP0511602A1 (en) *	1991-05-01	1992-11-04	Hewlett-Packard Company	Method and apparatus for controlling the temperature of thermal ink jet and thermal printheads through the use of nonprinting pulses
EP0600648A2 (en) *	1992-11-30	1994-06-08	Hewlett-Packard Company	Method and apparatus for the control of thermal ink jet printers

Also Published As

Publication number	Publication date
JP3521976B2 (en)	2004-04-26
EP0650836A2 (en)	1995-05-03
DE69425103T2 (en)	2000-11-16
DE69425103D1 (en)	2000-08-10
JPH07178927A (en)	1995-07-18
EP0650836B1 (en)	2000-07-05

Legal Events

Date	Code	Title	Description
1995-03-17	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
1995-05-03	AK	Designated contracting states	Kind code of ref document: A2 Designated state(s): DE FR GB IT
1997-01-24	PUAL	Search report despatched	Free format text: ORIGINAL CODE: 0009013
1997-03-12	AK	Designated contracting states	Kind code of ref document: A3 Designated state(s): DE FR GB IT
1997-08-06	17P	Request for examination filed	Effective date: 19970606
1997-09-03	17Q	First examination report despatched	Effective date: 19970718
1999-07-19	GRAG	Despatch of communication of intention to grant	Free format text: ORIGINAL CODE: EPIDOS AGRA
1999-10-19	GRAG	Despatch of communication of intention to grant	Free format text: ORIGINAL CODE: EPIDOS AGRA
1999-10-19	GRAH	Despatch of communication of intention to grant a patent	Free format text: ORIGINAL CODE: EPIDOS IGRA
2000-01-25	GRAH	Despatch of communication of intention to grant a patent	Free format text: ORIGINAL CODE: EPIDOS IGRA
2000-05-19	GRAA	(expected) grant	Free format text: ORIGINAL CODE: 0009210
2000-05-19	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: THE PATENT HAS BEEN GRANTED
2000-07-05	AK	Designated contracting states	Kind code of ref document: B1 Designated state(s): DE FR GB IT
2000-08-10	REF	Corresponds to:	Ref document number: 69425103 Country of ref document: DE Date of ref document: 20000810
2000-08-25	ET	Fr: translation filed
2000-09-22	ITF	It: translation for a ep patent filed	Owner name: SOCIETA' ITALIANA BREVETTI S.P.A.
2001-03-28	RAP2	Party data changed (patent owner data changed or rights of a patent transferred)	Owner name: HEWLETT-PACKARD COMPANY, A DELAWARE CORPORATION
2001-05-05	PLBE	No opposition filed within time limit	Free format text: ORIGINAL CODE: 0009261
2001-06-20	26N	No opposition filed
2002-01-01	REG	Reference to a national code	Ref country code: GB Ref legal event code: IF02
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2008-01-31	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: DE Payment date: 20071130 Year of fee payment: 14
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2009-06-24	GBPC	Gb: european patent ceased through non-payment of renewal fee	Effective date: 20081026
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Publication	Publication Date	Title
EP0512799A3 (en)	1993-01-20	Pagewidth thermal ink jet printhead
HK149696A (en)	1996-08-16	Improved thermal inkjet printhead structure for making the same
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