FR2264516A1 - Radiographic examination unit - uses predicted signals from various ray receivers to counteract discrepancies in sensitivity - Google Patents
Radiographic examination unit - uses predicted signals from various ray receivers to counteract discrepancies in sensitivityInfo
- Publication number
- FR2264516A1 FR2264516A1 FR7508902A FR7508902A FR2264516A1 FR 2264516 A1 FR2264516 A1 FR 2264516A1 FR 7508902 A FR7508902 A FR 7508902A FR 7508902 A FR7508902 A FR 7508902A FR 2264516 A1 FR2264516 A1 FR 2264516A1
- Authority
- FR
- France
- Prior art keywords
- discrepancies
- receivers
- sensitivity
- counteract
- examination unit
- 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.)
- Granted
Links
- 230000035945 sensitivity Effects 0.000 title abstract 3
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
- A61B6/02—Arrangements for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
- A61B6/03—Computed tomography [CT]
- A61B6/032—Transmission computed tomography [CT]
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
- A61B6/40—Arrangements for generating radiation specially adapted for radiation diagnosis
- A61B6/4021—Arrangements for generating radiation specially adapted for radiation diagnosis involving movement of the focal spot
- A61B6/4028—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
-
- 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
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
- A61B6/42—Arrangements for detecting radiation specially adapted for radiation diagnosis
- A61B6/4291—Arrangements for detecting radiation specially adapted for radiation diagnosis the detector being combined with a grid or grating
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
- A61B6/44—Constructional features of apparatus for radiation diagnosis
- A61B6/4488—Means for cooling
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Medical Informatics (AREA)
- Physics & Mathematics (AREA)
- Radiology & Medical Imaging (AREA)
- Heart & Thoracic Surgery (AREA)
- High Energy & Nuclear Physics (AREA)
- Theoretical Computer Science (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Optics & Photonics (AREA)
- Pathology (AREA)
- Veterinary Medicine (AREA)
- Biomedical Technology (AREA)
- Biophysics (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Pulmonology (AREA)
- General Physics & Mathematics (AREA)
- Apparatus For Radiation Diagnosis (AREA)
- Analysing Materials By The Use Of Radiation (AREA)
- Radiography Using Non-Light Waves (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB13018/74A GB1497396A (en) | 1974-03-23 | 1974-03-23 | Radiography |
GB1740274 | 1974-04-20 | ||
GB3303374 | 1974-07-26 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2264516A1 true FR2264516A1 (en) | 1975-10-17 |
FR2264516B1 FR2264516B1 (US20100223739A1-20100909-C00025.png) | 1977-11-25 |
Family
ID=27256920
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7508902A Granted FR2264516A1 (en) | 1974-03-23 | 1975-03-21 | Radiographic examination unit - uses predicted signals from various ray receivers to counteract discrepancies in sensitivity |
Country Status (4)
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2304321A1 (fr) * | 1975-03-20 | 1976-10-15 | Emi Ltd | Appareil de tomographie a multiples detecteurs |
FR2397085A1 (fr) * | 1977-07-07 | 1979-02-02 | Philips Nv | Guidage de cable et dispositif medical muni d'un tel guidage |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1529799A (en) | 1974-11-13 | 1978-10-25 | Emi Ltd | Radiography |
US4149247A (en) * | 1975-12-23 | 1979-04-10 | Varian Associates, Inc. | Tomographic apparatus and method for reconstructing planar slices from non-absorbed and non-scattered radiation |
NL7601219A (nl) * | 1976-02-06 | 1977-08-09 | Philips Nv | Roentgensysteem met een roentgenstraler- en een roentgendetector aandrijving. |
DE2628493C2 (de) * | 1976-06-25 | 1983-03-10 | Siemens AG, 1000 Berlin und 8000 München | Röntgenschichtgerät zur Herstellung von Transversal-Schichtbildern mit einer um den Fokus einer Röntgenröhre gekrümmten Reihe von Detektoren |
GB1584954A (en) * | 1976-08-17 | 1981-02-18 | Emi Ltd | Radiography |
US4107531A (en) * | 1976-09-16 | 1978-08-15 | General Electric Company | X-ray body scanner using encoder for generating system controlling timing pulse train |
GB1592083A (en) * | 1976-09-16 | 1981-07-01 | Gen Electric | Computerized tomographic system |
JPS5399893A (en) * | 1977-02-14 | 1978-08-31 | Toshiba Corp | Cable processor |
JPS53115778U (US20100223739A1-20100909-C00025.png) * | 1977-02-22 | 1978-09-14 | ||
US4093862A (en) * | 1977-02-25 | 1978-06-06 | General Electric Company | Gantry for computed tomography |
US4115695A (en) * | 1977-02-25 | 1978-09-19 | General Electric Company | Gantry for computed tomography |
US4093861A (en) * | 1977-02-25 | 1978-06-06 | General Electric Company | Gantry for computed tomography |
FR2381507A1 (fr) * | 1977-02-25 | 1978-09-22 | Gen Electric | Structure basculante pour appareil de tomographie a rayons x |
GB1603346A (en) * | 1977-05-13 | 1981-11-25 | Hitachi Medical Corp | Scanning apparatus for cross-sectional inspection equipment |
NL7705788A (nl) * | 1977-05-26 | 1978-11-28 | Philips Nv | Inrichting voor computer-tomografie. |
JPS5477270A (en) * | 1977-12-01 | 1979-06-20 | Tdk Corp | Metal or alloy magnetic powder and its manufacture |
DE3012648A1 (de) * | 1980-04-01 | 1981-10-08 | Philips Patentverwaltung Gmbh, 2000 Hamburg | Computer-tomographiegeraet |
DE19832276C2 (de) * | 1998-07-17 | 2002-10-24 | Siemens Ag | Verfahren zur Rekonstruktion von aus mittels eines CT-Gerätes durch Spiralabtastung gewonnenen Meßwerten |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2549402A (en) * | 1948-04-01 | 1951-04-17 | Jr Carl A Vossberg | X-ray measuring system |
GB1283915A (en) * | 1968-08-23 | 1972-08-02 | Emi Ltd | A method of and apparatus for examination of a body by radiation such as x or gamma radiation |
-
1975
- 1975-03-20 JP JP3418075A patent/JPS5444597B2/ja not_active Expired
- 1975-03-21 FR FR7508902A patent/FR2264516A1/fr active Granted
- 1975-03-22 DE DE2513137A patent/DE2513137C3/de not_active Expired
- 1975-03-24 NL NLAANVRAGE7503520,A patent/NL179783C/xx not_active IP Right Cessation
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2304321A1 (fr) * | 1975-03-20 | 1976-10-15 | Emi Ltd | Appareil de tomographie a multiples detecteurs |
FR2397085A1 (fr) * | 1977-07-07 | 1979-02-02 | Philips Nv | Guidage de cable et dispositif medical muni d'un tel guidage |
Also Published As
Publication number | Publication date |
---|---|
NL7503520A (nl) | 1975-09-25 |
DE2513137A1 (de) | 1975-10-09 |
DE2513137B2 (de) | 1980-05-29 |
NL179783C (nl) | 1986-11-17 |
DE2513137C3 (de) | 1982-07-08 |
NL179783B (nl) | 1986-06-16 |
JPS50133878A (US20100223739A1-20100909-C00025.png) | 1975-10-23 |
FR2264516B1 (US20100223739A1-20100909-C00025.png) | 1977-11-25 |
JPS5444597B2 (US20100223739A1-20100909-C00025.png) | 1979-12-26 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
TP | Transmission of property |