EP0055614A3 - Improvements in or relating to computer matrix printers - Google Patents
Improvements in or relating to computer matrix printers Download PDFInfo
- Publication number
- EP0055614A3 EP0055614A3 EP81306125A EP81306125A EP0055614A3 EP 0055614 A3 EP0055614 A3 EP 0055614A3 EP 81306125 A EP81306125 A EP 81306125A EP 81306125 A EP81306125 A EP 81306125A EP 0055614 A3 EP0055614 A3 EP 0055614A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- printing
- ribbon
- colours
- printing head
- carrier
- 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.)
- Withdrawn
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
- B41J35/00—Other apparatus or arrangements associated with, or incorporated in, ink-ribbon mechanisms
- B41J35/04—Ink-ribbon guides
- B41J35/10—Vibrator mechanisms; Driving gear therefor
- B41J35/12—Vibrator mechanisms; Driving gear therefor adjustable, e.g. for case shift
- B41J35/14—Vibrator mechanisms; Driving gear therefor adjustable, e.g. for case shift for multicolour work; for ensuring maximum life of ink ribbon; for rendering ink-ribbon inoperative
Landscapes
- Impression-Transfer Materials And Handling Thereof (AREA)
Abstract
A computer matrix printer has a ribbon carrier (26)
pivotally supporting a body (12) of a printing head (14).
Solenoid arrangernents (32, 34) connect between the body
(12) and the carrier (26) and are controlled by electronic
means including a microprocessor, whereby the printing
head (14) can be moved in opposite directions from a central
position. Movement of the printing head (14) is therefore
relative to the ribbon (16) held by the carrier (26) and enables
printing in any one of three parallel discrete areas on the
ribbon (16) holding different coloured inks. The micro
processor can also enable printing in further colours by
over-printing one of the discrete colours with another, the
over-printing being carried out when the first ink applied to
the print-out (18) is still wet. Thus a plurality of colours can
be provided with no registration problems and this is
particularly suitable for a colour display on a video display
unit. Further discrete colours may be included on the ribbon
with suitable modification of the arrangement controlling
movement of the printing head (14).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB8041412 | 1980-12-29 | ||
GB8041412 | 1980-12-29 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0055614A2 EP0055614A2 (en) | 1982-07-07 |
EP0055614A3 true EP0055614A3 (en) | 1983-04-13 |
Family
ID=10518237
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP81306125A Withdrawn EP0055614A3 (en) | 1980-12-29 | 1981-12-24 | Improvements in or relating to computer matrix printers |
Country Status (1)
Country | Link |
---|---|
EP (1) | EP0055614A3 (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4568209A (en) * | 1983-10-17 | 1986-02-04 | Centronics Data Computer Corp. | Multicolor dot matrix printing system |
US4643601A (en) * | 1984-09-28 | 1987-02-17 | International Business Machines Corporation | Ribbon positioning mechanism |
JPS61270184A (en) * | 1985-05-27 | 1986-11-29 | Tokyo Electric Co Ltd | Ribbon-shifting device for printer |
DE19822423C2 (en) * | 1998-05-19 | 2001-08-16 | Ernst Reiner Gmbh & Co Kg Fein | Printing device for printing at least two lines |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2651299A1 (en) * | 1975-11-14 | 1977-05-26 | Centronics Data Computer | PROCESS AND FAST PRINTER FOR THE TWO-COLOR PRINTING OF CHARACTERS AND SYMBOLS |
DE2430407B2 (en) * | 1973-07-23 | 1978-02-23 | NCR Corp., Dayton, Ohio (V.StA.) | MOSAIC WIRE PRINT HEAD |
DE2820266A1 (en) * | 1977-05-27 | 1978-11-30 | Ibm | COLOR AND CORRECTION RIBBON GUIDE FOR TYPING MACHINES AND THE like. |
-
1981
- 1981-12-24 EP EP81306125A patent/EP0055614A3/en not_active Withdrawn
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2430407B2 (en) * | 1973-07-23 | 1978-02-23 | NCR Corp., Dayton, Ohio (V.StA.) | MOSAIC WIRE PRINT HEAD |
DE2651299A1 (en) * | 1975-11-14 | 1977-05-26 | Centronics Data Computer | PROCESS AND FAST PRINTER FOR THE TWO-COLOR PRINTING OF CHARACTERS AND SYMBOLS |
DE2820266A1 (en) * | 1977-05-27 | 1978-11-30 | Ibm | COLOR AND CORRECTION RIBBON GUIDE FOR TYPING MACHINES AND THE like. |
Also Published As
Publication number | Publication date |
---|---|
EP0055614A2 (en) | 1982-07-07 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
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 |
|
AK | Designated contracting states |
Designated state(s): DE FR GB IT |
|
PUAL | Search report despatched |
Free format text: ORIGINAL CODE: 0009013 |
|
RHK1 | Main classification (correction) |
Ipc: B41J 35/18 |
|
AK | Designated contracting states |
Designated state(s): DE FR GB IT |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
18D | Application deemed to be withdrawn |
Effective date: 19840316 |
|
RIN1 | Information on inventor provided before grant (corrected) |
Inventor name: HAYWOOD, ANTHONY JOHN Inventor name: PORTUS, ROBERT TERENCE |