DE2964915D1 - Computerized tomographic apparatus - Google Patents

Computerized tomographic apparatus

Info

Publication number
DE2964915D1
DE2964915D1 DE7979302180T DE2964915T DE2964915D1 DE 2964915 D1 DE2964915 D1 DE 2964915D1 DE 7979302180 T DE7979302180 T DE 7979302180T DE 2964915 T DE2964915 T DE 2964915T DE 2964915 D1 DE2964915 D1 DE 2964915D1
Authority
DE
Germany
Prior art keywords
tomographic apparatus
computerized tomographic
computerized
tomographic
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
DE7979302180T
Other languages
English (en)
Inventor
Godfrey Newbold Hounsfield
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.)
EMI Ltd
Original Assignee
EMI Ltd
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 EMI Ltd filed Critical EMI Ltd
Application granted granted Critical
Publication of DE2964915D1 publication Critical patent/DE2964915D1/de
Expired legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
    • A61B6/02—Devices for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
    • A61B6/03—Computerised tomographs
    • A61B6/032—Transmission computed tomography [CT]
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T11/00—2D [Two Dimensional] image generation
    • G06T11/003—Reconstruction from projections, e.g. tomography
    • G06T11/005—Specific pre-processing for tomographic reconstruction, e.g. calibration, source positioning, rebinning, scatter correction, retrospective gating
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
    • A61B6/40—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment with arrangements for generating radiation specially adapted for radiation diagnosis
    • A61B6/4021—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment with arrangements for generating radiation specially adapted for radiation diagnosis involving movement of the focal spot
    • A61B6/4028—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment with arrangements for generating radiation specially adapted for radiation diagnosis involving movement of the focal spot resulting in acquisition of views from substantially different positions, e.g. EBCT
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S378/00—X-ray or gamma ray systems or devices
    • Y10S378/901—Computer tomography program or processor
DE7979302180T 1978-10-24 1979-10-11 Computerized tomographic apparatus Expired DE2964915D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB7841710 1978-10-24

Publications (1)

Publication Number Publication Date
DE2964915D1 true DE2964915D1 (en) 1983-03-31

Family

ID=10500545

Family Applications (1)

Application Number Title Priority Date Filing Date
DE7979302180T Expired DE2964915D1 (en) 1978-10-24 1979-10-11 Computerized tomographic apparatus

Country Status (5)

Country Link
US (1) US4295195A (de)
EP (1) EP0010885B1 (de)
JP (1) JPS5560444A (de)
CA (1) CA1127776A (de)
DE (1) DE2964915D1 (de)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2519445B1 (fr) * 1981-12-31 1985-12-27 Thomson Csf Procede d'imagerie tomodensitometrique en mode dynamique, et tomodensitometre mettant en oeuvre un tel procede
HU188196B (en) * 1982-08-19 1986-03-28 Medicor Muevek,Hu Firmware back-projector for ct systems
JPS59148854A (ja) * 1983-02-14 1984-08-25 Hitachi Ltd 核磁気共鳴を用いた検査装置
US4670840A (en) * 1983-03-09 1987-06-02 Elscint, Inc. Ring artifact correction for computerized tomography
IL70978A (en) * 1983-03-09 1987-03-31 Elscint Ltd Methods for improving ct scanner images
US4580219A (en) * 1983-05-02 1986-04-01 General Electric Company Method for reducing image artifacts due to projection measurement inconsistencies
JPS60168436A (ja) * 1984-02-10 1985-08-31 横河メディカルシステム株式会社 計算機トモグラフイ装置
US4752879A (en) * 1985-01-30 1988-06-21 Picker International, Inc. Method and apparatus for medical imaging
US4686692A (en) * 1985-04-12 1987-08-11 Picker International Inc. Computed tomography patient localization scanning
US4751644A (en) * 1985-10-28 1988-06-14 Picker International, Inc. Interleaved source fan reconstruction technique
IL98945A0 (en) * 1991-07-24 1992-07-15 Elscint Ltd Multiple slice ct scanner
US5241576A (en) * 1991-12-23 1993-08-31 General Electric Company Segmented detector containing sub-elements for separate measuring of a fan beam
JP3587435B2 (ja) 1998-10-16 2004-11-10 株式会社タカラ 表示パネル
DE10016372B4 (de) * 1999-10-14 2004-04-29 Centrum für Dentale Innovationen GmbH Schichtbildverfahren und Schichtbildgerät
JP3656732B2 (ja) 2000-04-21 2005-06-08 日産自動車株式会社 エネルギー変換繊維体および吸音材
US6657354B2 (en) 2000-12-06 2003-12-02 Asmo Co., Ltd. Dynamo-electric machine having commutator and manufacturing method thereof
JP2003089313A (ja) 2001-09-18 2003-03-25 Denso Corp 車両用空調装置
US6725708B2 (en) 2002-09-13 2004-04-27 Akashi Corporation Impression forming mechanism and method, and hardness testing apparatus and method

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1471531A (en) * 1973-04-25 1977-04-27 Emi Ltd Radiography
GB1497396A (en) * 1974-03-23 1978-01-12 Emi Ltd Radiography
US4032761A (en) * 1974-10-11 1977-06-28 E M I Limited Tomography
GB1530621A (en) * 1975-02-08 1978-11-01 Emi Ltd Radiography
DE2648132A1 (de) * 1976-10-23 1978-04-27 Philips Patentverwaltung Verfahren und anordnung zur verminderung des einflusses von detektorfehlern bei roentgen-scannern
US4105922A (en) * 1977-04-11 1978-08-08 General Electric Company CT number identifier in a computed tomography system
GB2002988B (en) * 1977-08-18 1982-04-07 Emi Ltd Radiography

Also Published As

Publication number Publication date
JPS5560444A (en) 1980-05-07
US4295195A (en) 1981-10-13
EP0010885A1 (de) 1980-05-14
CA1127776A (en) 1982-07-13
EP0010885B1 (de) 1983-02-23
JPH0257B2 (de) 1990-01-05

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Legal Events

Date Code Title Description
8328 Change in the person/name/address of the agent

Free format text: BRUEMMERSTEDT, H., DIPL.-ING., PAT.-ANW., 3000 HANNOVER

8339 Ceased/non-payment of the annual fee