FR2411447B1 - Dispositif de rotation d'image - Google Patents

Dispositif de rotation d'image

Info

Publication number
FR2411447B1
FR2411447B1 FR7831288A FR7831288A FR2411447B1 FR 2411447 B1 FR2411447 B1 FR 2411447B1 FR 7831288 A FR7831288 A FR 7831288A FR 7831288 A FR7831288 A FR 7831288A FR 2411447 B1 FR2411447 B1 FR 2411447B1
Authority
FR
France
Prior art keywords
rotation device
image rotation
image
rotation
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
Application number
FR7831288A
Other languages
English (en)
Other versions
FR2411447A1 (fr
Inventor
Peter J Evans
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.)
Filing date
Publication date
Application filed by International Business Machines Corp filed Critical International Business Machines Corp
Publication of FR2411447A1 publication Critical patent/FR2411447A1/fr
Application granted granted Critical
Publication of FR2411447B1 publication Critical patent/FR2411447B1/fr
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T3/00Geometric image transformation in the plane of the image
    • G06T3/60Rotation of a whole image or part thereof
    • G06T3/606Rotation by memory addressing or mapping
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G5/00Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
    • G09G5/36Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators characterised by the display of a graphic pattern, e.g. using an all-points-addressable [APA] memory
    • G09G5/39Control of the bit-mapped memory
    • G09G5/393Arrangements for updating the contents of the bit-mapped memory
FR7831288A 1977-12-09 1978-10-31 Dispositif de rotation d'image Expired FR2411447B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB51440/77A GB1547119A (en) 1977-12-09 1977-12-09 Image rotation apparatus

Publications (2)

Publication Number Publication Date
FR2411447A1 FR2411447A1 (fr) 1979-07-06
FR2411447B1 true FR2411447B1 (fr) 1986-01-31

Family

ID=10460037

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7831288A Expired FR2411447B1 (fr) 1977-12-09 1978-10-31 Dispositif de rotation d'image

Country Status (8)

Country Link
US (1) US4168488A (fr)
JP (1) JPS6038712B2 (fr)
AU (1) AU518903B2 (fr)
CA (1) CA1122696A (fr)
DE (1) DE2852253A1 (fr)
FR (1) FR2411447B1 (fr)
GB (1) GB1547119A (fr)
IT (1) IT1160274B (fr)

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US4806920A (en) * 1986-03-28 1989-02-21 Nec Corporation Device for producing an output image while giving an original image a rotation of 90, 180, or 270
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Also Published As

Publication number Publication date
AU518903B2 (en) 1981-10-29
DE2852253A1 (de) 1979-06-13
JPS5487128A (en) 1979-07-11
GB1547119A (en) 1979-06-06
IT7830252A0 (it) 1978-11-28
US4168488A (en) 1979-09-18
IT1160274B (it) 1987-03-11
FR2411447A1 (fr) 1979-07-06
CA1122696A (fr) 1982-04-27
AU3983378A (en) 1980-03-20
JPS6038712B2 (ja) 1985-09-02

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Legal Events

Date Code Title Description
ST Notification of lapse