DE3578406D1 - THERMAL PRINT HEAD. - Google Patents

THERMAL PRINT HEAD.

Info

Publication number
DE3578406D1
DE3578406D1 DE8585115850T DE3578406T DE3578406D1 DE 3578406 D1 DE3578406 D1 DE 3578406D1 DE 8585115850 T DE8585115850 T DE 8585115850T DE 3578406 T DE3578406 T DE 3578406T DE 3578406 D1 DE3578406 D1 DE 3578406D1
Authority
DE
Germany
Prior art keywords
print head
thermal print
thermal
head
print
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 - Fee Related
Application number
DE8585115850T
Other languages
German (de)
Inventor
Richard A Stallkamp
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.)
WANG LABORATORIES, INC., BILLERICA, MASS., US
Original Assignee
Wang Laboratories Inc
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 Wang Laboratories Inc filed Critical Wang Laboratories Inc
Application granted granted Critical
Publication of DE3578406D1 publication Critical patent/DE3578406D1/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • B41J2/345—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 characterised by the arrangement of resistors or conductors
DE8585115850T 1984-12-28 1985-12-12 THERMAL PRINT HEAD. Expired - Fee Related DE3578406D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US68706984A 1984-12-28 1984-12-28

Publications (1)

Publication Number Publication Date
DE3578406D1 true DE3578406D1 (en) 1990-08-02

Family

ID=24758919

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8585115850T Expired - Fee Related DE3578406D1 (en) 1984-12-28 1985-12-12 THERMAL PRINT HEAD.

Country Status (5)

Country Link
EP (1) EP0186059B1 (en)
JP (1) JPH0657457B2 (en)
AU (1) AU584915B2 (en)
CA (1) CA1237337A (en)
DE (1) DE3578406D1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8804467D0 (en) * 1988-02-25 1988-03-23 Alcatel Business Systems Thermal printing apparatus
US5134425A (en) * 1990-01-23 1992-07-28 Hewlett-Packard Company Ohmic heating matrix
US5144336A (en) * 1990-01-23 1992-09-01 Hewlett-Packard Company Method and apparatus for controlling the temperature of thermal ink jet and thermal printheads that have a heating matrix system
US5235346A (en) * 1990-01-23 1993-08-10 Hewlett-Packard Company Method and apparatus for controlling the temperature of thermal ink jet and thermal printheads that have a heating matrix system
US5702188A (en) * 1995-07-18 1997-12-30 Graphtec Corporation Thermal head and head drive circuit therefor

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1080297A (en) * 1977-04-13 1980-06-24 Frederick C. Livermore Thermal printing device
JPS5796874A (en) * 1980-12-08 1982-06-16 Oki Electric Ind Co Ltd Heat sensitive head for facsimile
JPS5816868A (en) * 1981-07-24 1983-01-31 Fuji Xerox Co Ltd Printing head for thermal recording
JPS58134765A (en) * 1982-02-06 1983-08-11 Fuji Xerox Co Ltd Heat-sensitive recording head
US4459462A (en) * 1982-12-27 1984-07-10 International Business Machines Corporation Drive system for energizing elements of a fixed bar printer
US4450342A (en) * 1982-12-27 1984-05-22 International Business Machines Corporation Thermal print head

Also Published As

Publication number Publication date
JPH0657457B2 (en) 1994-08-03
JPS61154955A (en) 1986-07-14
EP0186059A3 (en) 1987-03-04
CA1237337A (en) 1988-05-31
AU584915B2 (en) 1989-06-08
EP0186059A2 (en) 1986-07-02
EP0186059B1 (en) 1990-06-27
AU4644985A (en) 1986-07-03

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Legal Events

Date Code Title Description
8328 Change in the person/name/address of the agent

Free format text: WUESTHOFF, F., DR.-ING. FRHR. VON PECHMANN, E., DIPL.-CHEM. DR.RER.NAT. BEHRENS, D., DR.-ING. BRANDES, J., DIPL.-CHEM. DR.RER.NAT. GOETZ, R., DIPL.-ING. DIPL.-WIRTSCH.-ING. HELLFELD VON, A., DIPL.-PHYS. DR.RER.NAT., PAT.-ANWAELTE WUERTENBERGER, G., RECHTSANW., 8000 MUENCHEN

8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: WANG LABORATORIES, INC., BILLERICA, MASS., US

8339 Ceased/non-payment of the annual fee