EP0186059A3 - Thermal print head - Google Patents

Thermal print head Download PDF

Info

Publication number
EP0186059A3
EP0186059A3 EP85115850A EP85115850A EP0186059A3 EP 0186059 A3 EP0186059 A3 EP 0186059A3 EP 85115850 A EP85115850 A EP 85115850A EP 85115850 A EP85115850 A EP 85115850A EP 0186059 A3 EP0186059 A3 EP 0186059A3
Authority
EP
European Patent Office
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.)
Granted
Application number
EP85115850A
Other versions
EP0186059B1 (en
EP0186059A2 (en
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
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
Publication of EP0186059A2 publication Critical patent/EP0186059A2/en
Publication of EP0186059A3 publication Critical patent/EP0186059A3/en
Application granted granted Critical
Publication of EP0186059B1 publication Critical patent/EP0186059B1/en
Anticipated expiration legal-status Critical
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
    • B41J2/345—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
EP19850115850 1984-12-28 1985-12-12 Thermal print head Expired - Lifetime EP0186059B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US68706984A 1984-12-28 1984-12-28
US687069 1984-12-28

Publications (3)

Publication Number Publication Date
EP0186059A2 EP0186059A2 (en) 1986-07-02
EP0186059A3 true EP0186059A3 (en) 1987-03-04
EP0186059B1 EP0186059B1 (en) 1990-06-27

Family

ID=24758919

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19850115850 Expired - Lifetime EP0186059B1 (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
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
US5134425A (en) * 1990-01-23 1992-07-28 Hewlett-Packard Company Ohmic heating matrix
US5702188A (en) * 1995-07-18 1997-12-30 Graphtec Corporation Thermal head and head drive circuit therefor

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1599216A (en) * 1977-04-13 1981-09-30 Northern Telecom Ltd Thermal printing device
US4428690A (en) * 1981-07-24 1984-01-31 Fuji Xerox Co., Ltd. Thermal recording print head
EP0112473A2 (en) * 1982-12-27 1984-07-04 International Business Machines Corporation Thermal print head
EP0112472A2 (en) * 1982-12-27 1984-07-04 International Business Machines Corporation Drive system for energising elements of a fixed bar printer
US4513296A (en) * 1982-02-06 1985-04-23 Fuji Xerox Co., Ltd. Heat-sensitive recording head

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5796874A (en) * 1980-12-08 1982-06-16 Oki Electric Ind Co Ltd Heat sensitive head for facsimile

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1599216A (en) * 1977-04-13 1981-09-30 Northern Telecom Ltd Thermal printing device
US4428690A (en) * 1981-07-24 1984-01-31 Fuji Xerox Co., Ltd. Thermal recording print head
US4513296A (en) * 1982-02-06 1985-04-23 Fuji Xerox Co., Ltd. Heat-sensitive recording head
EP0112473A2 (en) * 1982-12-27 1984-07-04 International Business Machines Corporation Thermal print head
EP0112472A2 (en) * 1982-12-27 1984-07-04 International Business Machines Corporation Drive system for energising elements of a fixed bar printer

Also Published As

Publication number Publication date
DE3578406D1 (en) 1990-08-02
JPH0657457B2 (en) 1994-08-03
CA1237337A (en) 1988-05-31
EP0186059B1 (en) 1990-06-27
EP0186059A2 (en) 1986-07-02
JPS61154955A (en) 1986-07-14
AU584915B2 (en) 1989-06-08
AU4644985A (en) 1986-07-03

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