CA1130463A - Dot matrix character printer with variable speed control - Google Patents

Dot matrix character printer with variable speed control

Info

Publication number: CA1130463A
Authority: CA; Canada
Prior art keywords: printing; print head; signal; print; character
Prior art date: 1978-10-30
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

Application number

CA338,503A

Other languages

English (en)

French (fr)

Inventor

Roy F. Lomicka, Jr.

Peter N. Heller

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.)

Digital Equipment Corp

Original Assignee

Digital Equipment Corp

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.)

1978-10-30

Filing date

1979-10-26

Publication date

1982-08-24

1979-10-26 Application filed by Digital Equipment Corp filed Critical Digital Equipment Corp

1982-01-19 Priority to CA394,499A priority Critical patent/CA1133144A/en

1982-08-24 Application granted granted Critical

1982-08-24 Publication of CA1130463A publication Critical patent/CA1130463A/en

Status Expired legal-status Critical Current

Links

239000011159 matrix material Substances 0.000 title claims abstract description 19
238000007639 printing Methods 0.000 claims abstract description 101
230000007704 transition Effects 0.000 claims description 123
230000033001 locomotion Effects 0.000 claims description 23
238000006073 displacement reaction Methods 0.000 claims description 7
230000011664 signaling Effects 0.000 claims description 3
239000011295 pitch Substances 0.000 abstract description 21
238000010438 heat treatment Methods 0.000 abstract description 2
125000004122 cyclic group Chemical group 0.000 abstract 1
239000000872 buffer Substances 0.000 description 39
238000010586 diagram Methods 0.000 description 18
230000006870 function Effects 0.000 description 16
230000008859 change Effects 0.000 description 15
230000000875 corresponding effect Effects 0.000 description 11
230000007246 mechanism Effects 0.000 description 10
238000005070 sampling Methods 0.000 description 8
238000010304 firing Methods 0.000 description 6
238000013507 mapping Methods 0.000 description 6
238000000034 method Methods 0.000 description 5
241000272525 Anas platyrhynchos Species 0.000 description 4
230000001133 acceleration Effects 0.000 description 4
239000000306 component Substances 0.000 description 4
238000013461 design Methods 0.000 description 4
230000004044 response Effects 0.000 description 4
238000004364 calculation method Methods 0.000 description 3
230000015556 catabolic process Effects 0.000 description 3
230000001276 controlling effect Effects 0.000 description 3
230000003111 delayed effect Effects 0.000 description 3
238000004891 communication Methods 0.000 description 2
238000012937 correction Methods 0.000 description 2
238000013021 overheating Methods 0.000 description 2
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YUBJPYNSGLJZPQ-UHFFFAOYSA-N Dithiopyr Chemical compound CSC(=O)C1=C(C(F)F)N=C(C(F)(F)F)C(C(=O)SC)=C1CC(C)C YUBJPYNSGLJZPQ-UHFFFAOYSA-N 0.000 description 1
230000003213 activating effect Effects 0.000 description 1
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210000004556 brain Anatomy 0.000 description 1
230000003139 buffering effect Effects 0.000 description 1
239000006227 byproduct Substances 0.000 description 1
239000003795 chemical substances by application Substances 0.000 description 1
230000006835 compression Effects 0.000 description 1
238000007906 compression Methods 0.000 description 1
230000003247 decreasing effect Effects 0.000 description 1
230000001419 dependent effect Effects 0.000 description 1
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238000005516 engineering process Methods 0.000 description 1
238000011156 evaluation Methods 0.000 description 1
230000017525 heat dissipation Effects 0.000 description 1
230000001965 increasing effect Effects 0.000 description 1
229910044991 metal oxide Inorganic materials 0.000 description 1
150000004706 metal oxides Chemical class 0.000 description 1
238000002156 mixing Methods 0.000 description 1
230000008569 process Effects 0.000 description 1
230000009467 reduction Effects 0.000 description 1
239000004065 semiconductor Substances 0.000 description 1
230000001360 synchronised effect Effects 0.000 description 1
238000004804 winding Methods 0.000 description 1

Classifications

- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K15/00—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers
- G06K15/02—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers using printers
- G06K15/10—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers using printers by matrix printers

Landscapes

Physics & Mathematics (AREA)
Engineering & Computer Science (AREA)
Mathematical Physics (AREA)
General Engineering & Computer Science (AREA)
General Physics & Mathematics (AREA)
Theoretical Computer Science (AREA)
Character Spaces And Line Spaces In Printers (AREA)
Dot-Matrix Printers And Others (AREA)
Impact Printers (AREA)

CA338,503A 1978-10-30 1979-10-26 Dot matrix character printer with variable speed control Expired CA1130463A (en)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
CA394,499A CA1133144A (en)	1978-10-30	1982-01-19	Dot matrix character printer with variable speed control

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US95552578A	1978-10-30	1978-10-30
US955,525		1978-10-30

Publications (1)

Publication Number	Publication Date
CA1130463A true CA1130463A (en)	1982-08-24

Family

ID=25496935

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA338,503A Expired CA1130463A (en)	1978-10-30	1979-10-26	Dot matrix character printer with variable speed control

Country Status (8)

Country	Link
JP (1)	JPS5563483A (it)
AU (1)	AU534414B2 (it)
CA (1)	CA1130463A (it)
DE (1)	DE2940019A1 (it)
FR (1)	FR2440275B1 (it)
GB (3)	GB2034087B (it)
IT (1)	IT1197514B (it)
NL (1)	NL7906969A (it)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4372696A (en) *	1980-05-20	1983-02-08	Monarch Marking Systems, Inc.	High quality printer
US4445796A (en) *	1982-06-16	1984-05-01	International Business Machines Corporation	Print electrode control circuit
US4469460A (en) *	1982-09-30	1984-09-04	International Business Machines Corporation	Matrix printer with optimum printing velocity
IT1163792B (it) *	1983-07-15	1987-04-08	Honeywell Inf Systems Italia	Apparato di controllo mircoprogrammato per stampante seriale
JPS62162556A (ja) *	1985-12-11	1987-07-18	インタ−ナショナル　ビジネス　マシ−ンズ　コ−ポレ−ション	ワイヤ・マトリツクス・プリンタのワイヤ発射制御装置
US4755069A (en) *	1986-06-23	1988-07-05	National Business Systems, Inc.	Credit card embossing and recording system
JPS6447556A (en) *	1987-08-19	1989-02-22	Brother Ind Ltd	Printer
AU3996789A (en) *	1988-10-31	1990-05-03	International Business Machines Corporation	Wire fire control mechanism for a wire matrix printer
JP3495747B2 (ja) *	1991-07-22	2004-02-09	セイコーエプソン株式会社	プリンタの印字制御方法及び装置

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3513774A (en) *	1968-07-01	1970-05-26	Ibm	Printer hammer compensation
GB1373773A (en) *	1970-10-09	1974-11-13	Carrus A Carrus P	Spark discharge printer
FR2205003A5 (it) *	1972-10-26	1974-05-24	Honeywell Bull Soc Ind
US3950685A (en) *	1974-04-25	1976-04-13	Lrc, Inc.	Dc motor position controller
US3973662A (en) *	1974-11-29	1976-08-10	Extel Corporation	Acceleration control system for high speed printer
DE2516835C3 (de) *	1975-04-15	1978-11-23	Mannesmann Ag, 4000 Duesseldorf	Steuerschaltung für die Auslösung der Drucknadeln eines in beiden Richtungen druckenden Nadeldruckkopfes
US4020939A (en) *	1975-10-21	1977-05-03	Ncr Corporation	Matrix print head repetition rate control

1979
- 1979-09-04 AU AU50560/79A patent/AU534414B2/en not_active Expired
- 1979-09-19 NL NL7906969A patent/NL7906969A/nl not_active Application Discontinuation
- 1979-10-03 DE DE19792940019 patent/DE2940019A1/de active Granted
- 1979-10-09 FR FR7925104A patent/FR2440275B1/fr not_active Expired
- 1979-10-10 GB GB7935190A patent/GB2034087B/en not_active Expired
- 1979-10-10 GB GB8135230A patent/GB2086109B/en not_active Expired
- 1979-10-10 GB GB8124283A patent/GB2080003B/en not_active Expired
- 1979-10-26 IT IT69093/79A patent/IT1197514B/it active
- 1979-10-26 CA CA338,503A patent/CA1130463A/en not_active Expired
- 1979-10-30 JP JP14039279A patent/JPS5563483A/ja active Granted

Also Published As

Publication number	Publication date
GB2086109A (en)	1982-05-06
IT7969093A0 (it)	1979-10-26
DE2940019A1 (de)	1980-05-14
JPH0532226B2 (it)	1993-05-14
GB2034087B (en)	1982-11-17
NL7906969A (nl)	1980-05-02
IT1197514B (it)	1988-11-30
GB2080003A (en)	1982-01-27
FR2440275A1 (fr)	1980-05-30
JPS5563483A (en)	1980-05-13
FR2440275B1 (fr)	1987-08-28
GB2080003B (en)	1983-03-09
DE2940019C2 (it)	1993-03-04
GB2086109B (en)	1983-02-23
GB2034087A (en)	1980-05-29
AU5056079A (en)	1980-05-08
AU534414B2 (en)	1984-01-26

Legal Events

Date	Code	Title	Description
1999-08-24	MKEX	Expiry

Publication	Publication Date	Title
US4326813A (en)	1982-04-27	Dot matrix character printer control circuitry for variable pitch printing
US4651288A (en)	1987-03-17	Method and apparatus for filling out a form by a machine
CA1106232A (en)	1981-08-04	High quality printer
US5155499A (en)	1992-10-13	Image-edge-printing controller
US4311399A (en)	1982-01-19	Method and apparatus for setting and varying margins and line spacing on data printers
EP0027861A2 (en)	1981-05-06	Typewriter including an apparatus for repositioning a printing element upon power return
GB2135800A (en)	1984-09-05	Operating the print head of a matrix printer
CA1130463A (en)	1982-08-24	Dot matrix character printer with variable speed control
US4818129A (en)	1989-04-04	Method for correcting bidirectional printing alignment of a serial dot printer
CA1128448A (en)	1982-07-27	Print hammer control
US4289411A (en)	1981-09-15	Multilingual ink jet printer
US4388005A (en)	1983-06-14	Method and apparatus for printing partially overlapping characters
EP0068122B1 (en)	1986-10-15	Printhead control means for a bi-directional serial printer with look-ahead feature
CA1114516A (en)	1981-12-15	Apparatus for synchronizing carrier and rotatable print disk positions in on-the-fly printing
JPS6144074B2 (it)	1986-10-01
US4053043A (en)	1977-10-11	Means and method for enhancing ribbon lift
CA1228044A (en)	1987-10-13	Ribbon feed with ink depletion compensation
US3773161A (en)	1973-11-20	High speed serial printer with plural hammers
EP0264266B1 (en)	1994-03-30	Printer control system for controlling movement of print head between successive lines of print
EP0033069A2 (en)	1981-08-05	Printer system with continuous-moving type element
KR0123531B1 (ko)	1997-11-24	시리얼 프린터의 캐리지 최적 제어방법
CA1133144A (en)	1982-10-05	Dot matrix character printer with variable speed control
US5147143A (en)	1992-09-15	Printer carriage homing mechanism
GB1592602A (en)	1981-07-08	Data printers
GB1566024A (en)	1980-04-30	Dot matrix printing