GB9106528D0 - Thermal recording apparatus - Google Patents

Thermal recording apparatus

Info

Publication number: GB9106528D0
Authority: GB; United Kingdom
Prior art keywords: recording apparatus; thermal recording; thermal; recording
Prior art date: 1990-03-29
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 Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Withdrawn

Application number

GB919106528A

Other versions

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.)

Dowty Maritime Ltd

Original Assignee

Dowty Maritime 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.)

1990-03-29

Filing date

1991-03-27

Publication date

1991-05-15

1991-03-27 Application filed by Dowty Maritime Ltd filed Critical Dowty Maritime Ltd

1991-05-15 Publication of GB9106528D0 publication Critical patent/GB9106528D0/en

1991-10-23 Publication of GB2243265A publication Critical patent/GB2243265A/en

Status Withdrawn legal-status Critical Current

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/40—Picture signal circuits
- H04N1/401—Compensating positionally unequal response of the pick-up or reproducing head
- H04N1/4015—Compensating positionally unequal response of the pick-up or reproducing head of the reproducing 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
- B41J2/315—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

Landscapes

Engineering & Computer Science (AREA)
Multimedia (AREA)
Signal Processing (AREA)
Electronic Switches (AREA)
Recording Measured Values (AREA)
Heat Sensitive Colour Forming Recording (AREA)

GB9106528A 1990-03-29 1991-03-27 Thermal recording apparatus Withdrawn GB2243265A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB909007014A GB9007014D0 (en)	1990-03-29	1990-03-29	Thermal recording apparatus

Publications (2)

Publication Number	Publication Date
GB9106528D0 true GB9106528D0 (en)	1991-05-15
GB2243265A GB2243265A (en)	1991-10-23

Family

ID=10673459

Family Applications (2)

Application Number	Title	Priority Date	Filing Date
GB909007014A Pending GB9007014D0 (en)	1990-03-29	1990-03-29	Thermal recording apparatus
GB9106528A Withdrawn GB2243265A (en)	1990-03-29	1991-03-27	Thermal recording apparatus

Family Applications Before (1)

Application Number	Title	Priority Date	Filing Date
GB909007014A Pending GB9007014D0 (en)	1990-03-29	1990-03-29	Thermal recording apparatus

Country Status (3)

Country	Link
AU (1)	AU7489691A (en)
GB (2)	GB9007014D0 (en)
WO (1)	WO1991014577A1 (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE4132094A1 (en) *	1991-09-23	1993-03-25	Mannesmann Ag	METHOD FOR COMPENSATING RESISTANCE TOLERANCES WHEN PRINTING A MULTIPLE IMAGE
JPH07186430A (en) *	1991-11-04	1995-07-25	Eastman Kodak Co	Thermal printer
JPH05212892A (en) *	1992-01-31	1993-08-24	Ricoh Co Ltd	Device for correction of recording density
DE69309001T2 (en) *	1992-12-09	1997-10-16	Agfa-Gevaert N.V., Mortsel	Calibration procedure for heating elements of a thermal head in a thermal printing system
DE69419072T2 (en) *	1993-05-28	2000-02-17	Agfa-Gevaert N.V., Mortsel	Procedure for correcting unevenness in a thermal printing system
EP0627319B1 (en) *	1993-05-28	1999-06-16	Agfa-Gevaert N.V.	Method for correcting across-the-head unevenness in a thermal printing system
US6116714A (en)	1994-03-04	2000-09-12	Canon Kabushiki Kaisha	Printing head, printing method and apparatus using same, and apparatus and method for correcting said printing head
EP0673774A3 (en) *	1994-03-25	1996-02-21	Eastman Kodak Co	Compensation for voltage drops due to resistive heating element location in thermal printer heads.
US5699168A (en) *	1995-06-22	1997-12-16	Texas Instruments Incorporated	Grayscale printing with sliding window memory
JPH10173918A (en) *	1996-12-16	1998-06-26	Alps Electric Co Ltd	Shading correcting method of image read means, and image processor
TW339494B (en) *	1996-08-12	1998-09-01	Alps Electric Co Ltd	Image reader and the shade correction method
US7369145B2 (en)	2005-01-10	2008-05-06	Polaroid Corporation	Method and apparatus for controlling the uniformity of print density of a thermal print head array

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4596993A (en) *	1984-11-29	1986-06-24	Polaroid Corporation	Thermal recording system and method
US4700058A (en) *	1985-08-01	1987-10-13	General Electric Company	Film writing system with closed loop control for electronic images
EP0725531B1 (en) *	1987-11-16	2002-08-07	Canon Kabushiki Kaisha	Image recording apparatus
JP2854318B2 (en) *	1989-04-28	1999-02-03	キヤノン株式会社	Image recording device

1990
- 1990-03-29 GB GB909007014A patent/GB9007014D0/en active Pending
1991
- 1991-03-27 AU AU74896/91A patent/AU7489691A/en not_active Abandoned
- 1991-03-27 WO PCT/GB1991/000476 patent/WO1991014577A1/en unknown
- 1991-03-27 GB GB9106528A patent/GB2243265A/en not_active Withdrawn

Also Published As

Publication number	Publication date
WO1991014577A1 (en)	1991-10-03
AU7489691A (en)	1991-10-21
GB2243265A (en)	1991-10-23
GB9007014D0 (en)	1990-05-30

Publication	Publication Date	Title
EP0451460A3 (en)	1992-01-15	Recording apparatus
EP0472218A3 (en)	1992-06-03	Recording apparatus
EP0476666A3 (en)	1992-10-28	Recording apparatus
EP0461437A3 (en)	1992-05-20	Information recording apparatus
EP0527610A3 (en)	1993-07-14	Recording apparatus
EP0454123A3 (en)	1992-09-02	Cooling apparatus
EP0492528A3 (en)	1993-03-31	Recording/reproducing apparatus
EP0452585A3 (en)	1992-04-01	Recording apparatus
EP0465850A3 (en)	1992-06-17	Recording apparatus
EP0476536A3 (en)	1993-02-10	Information recording apparatus
EP0456449A3 (en)	1992-10-14	Image recording apparatus
EP0451828A3 (en)	1992-05-27	Recording apparatus
EP0392213A3 (en)	1990-10-31	Thermal record apparatus
EP0482356A3 (en)	1992-08-05	Recording apparatus
EP0485149A3 (en)	1993-04-28	Recording apparatus
HK1005335A1 (en)	1998-12-31	Thermal recording apparatus
EP0516118A3 (en)	1993-01-27	Recording apparatus
EP0459607A3 (en)	1992-09-02	Recording apparatus
GB9106528D0 (en)	1991-05-15	Thermal recording apparatus
EP0475423A3 (en)	1993-01-20	Image recording apparatus
EP0499214A3 (en)	1993-01-13	Recording apparatus
EP0538740A3 (en)	1993-09-08	Recording apparatus
EP0476947A3 (en)	1992-09-09	Recording apparatus
EP0505143A3 (en)	1993-03-03	Recording apparatus
EP0450395A3 (en)	1992-05-27	Image recording apparatus

Legal Events

Date	Code	Title	Description
1992-08-19	WAP	Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)