EP0229694A3 - Vector graphics generator set-up - Google Patents

Vector graphics generator set-up Download PDF

Info

Publication number: EP0229694A3
Authority: EP; European Patent Office
Prior art keywords: generator set; vector graphics; graphics generator; vector; graphics
Prior art date: 1986-01-17
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

EP19870300126

Other versions

EP0229694A2 (en

EP0229694B1 (en

Inventor

James Corona

Terence Wallace Lindgren

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.)

International Business Machines Corp

Original Assignee

International Business Machines 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.)

1986-01-17

Filing date

1987-01-08

Publication date

1990-11-22

1987-01-08 Application filed by International Business Machines Corp filed Critical International Business Machines Corp

1987-07-22 Publication of EP0229694A2 publication Critical patent/EP0229694A2/en

1990-11-22 Publication of EP0229694A3 publication Critical patent/EP0229694A3/en

1993-07-07 Application granted granted Critical

1993-07-07 Publication of EP0229694B1 publication Critical patent/EP0229694B1/en

2007-01-08 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Links

Classifications

- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
- G09G5/20—Function-generator circuits, e.g. circle generators line or curve smoothing circuits

Landscapes

Engineering & Computer Science (AREA)
Physics & Mathematics (AREA)
Computer Hardware Design (AREA)
General Physics & Mathematics (AREA)
Theoretical Computer Science (AREA)
Image Generation (AREA)
Complex Calculations (AREA)

EP19870300126 1986-01-17 1987-01-08 Vector graphics generator set-up Expired - Lifetime EP0229694B1 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US82076386A	1986-01-17	1986-01-17
US820763		1986-01-17

Publications (3)

Publication Number	Publication Date
EP0229694A2 EP0229694A2 (en)	1987-07-22
EP0229694A3 true EP0229694A3 (en)	1990-11-22
EP0229694B1 EP0229694B1 (en)	1993-07-07

Family

ID=25231661

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP19870300126 Expired - Lifetime EP0229694B1 (en)	1986-01-17	1987-01-08	Vector graphics generator set-up

Country Status (4)

Country	Link
EP (1)	EP0229694B1 (en)
JP (1)	JPS62165280A (en)
CA (1)	CA1263775A (en)
DE (1)	DE3786408T2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPH06342474A (en) *	1992-12-11	1994-12-13	Nec Corp	Area plotting system

Citations (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4272808A (en) *	1979-05-21	1981-06-09	Sperry Corporation	Digital graphics generation system

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS60252950A (en) *	1984-05-29	1985-12-13	Yokogawa Hokushin Electric Corp	Generation of digital segment signal

1986
- 1986-11-18 JP JP27310786A patent/JPS62165280A/en active Pending
- 1986-11-25 CA CA000523772A patent/CA1263775A/en not_active Expired
1987
- 1987-01-08 EP EP19870300126 patent/EP0229694B1/en not_active Expired - Lifetime
- 1987-01-08 DE DE19873786408 patent/DE3786408T2/en not_active Expired - Fee Related

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4272808A (en) *	1979-05-21	1981-06-09	Sperry Corporation	Digital graphics generation system

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
IBM TECHNICAL DISCLOSURE BULLETIN, vol. 20, no. 9, February 1978, pages 3703-3706, New York, US; R.J. LLEWELYN et al.: "Generation of points using Bresenham's algorithm" *

Also Published As

Publication number	Publication date
DE3786408D1 (en)	1993-08-12
JPS62165280A (en)	1987-07-21
DE3786408T2 (en)	1994-01-20
EP0229694A2 (en)	1987-07-22
EP0229694B1 (en)	1993-07-07
CA1263775A (en)	1989-12-05

Legal Events

Date	Code	Title	Description
1987-06-06	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
1987-07-22	AK	Designated contracting states	Kind code of ref document: A2 Designated state(s): DE FR GB IT
1988-02-03	17P	Request for examination filed	Effective date: 19871202
1990-10-03	PUAL	Search report despatched	Free format text: ORIGINAL CODE: 0009013
1990-11-22	AK	Designated contracting states	Kind code of ref document: A3 Designated state(s): DE FR GB IT
1992-11-11	17Q	First examination report despatched	Effective date: 19920924
1993-05-20	GRAA	(expected) grant	Free format text: ORIGINAL CODE: 0009210
1993-07-07	AK	Designated contracting states	Kind code of ref document: B1 Designated state(s): DE FR GB IT
1993-07-07	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: IT Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT;WARNING: LAPSES OF ITALIAN PATENTS WITH EFFECTIVE DATE BEFORE 2007 MAY HAVE OCCURRED AT ANY TIME BEFORE 2007. THE CORRECT EFFECTIVE DATE MAY BE DIFFERENT FROM THE ONE RECORDED. Effective date: 19930707
1993-08-12	REF	Corresponds to:	Ref document number: 3786408 Country of ref document: DE Date of ref document: 19930812
1993-08-13	ET	Fr: translation filed
1994-05-12	PLBE	No opposition filed within time limit	Free format text: ORIGINAL CODE: 0009261
1994-05-12	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT
1994-06-29	26N	No opposition filed
1994-12-20	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: GB Payment date: 19941220 Year of fee payment: 9
1994-12-23	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: FR Payment date: 19941223 Year of fee payment: 9
1996-01-08	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: GB Effective date: 19960108
1996-01-26	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: DE Payment date: 19960126 Year of fee payment: 10
1996-08-28	GBPC	Gb: european patent ceased through non-payment of renewal fee	Effective date: 19960108
1996-09-30	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: FR Effective date: 19960930
1996-11-29	REG	Reference to a national code	Ref country code: FR Ref legal event code: ST
1997-10-01	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: DE Effective date: 19971001

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