HK37581A - Improvements in or relating to radiography - Google Patents
Improvements in or relating to radiographyInfo
- Publication number
- HK37581A HK37581A HK375/81A HK37581A HK37581A HK 37581 A HK37581 A HK 37581A HK 375/81 A HK375/81 A HK 375/81A HK 37581 A HK37581 A HK 37581A HK 37581 A HK37581 A HK 37581A
- Authority
- HK
- Hong Kong
- Prior art keywords
- radiography
- relating
- Prior art date
Links
- 238000002601 radiography Methods 0.000 title 1
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
- A61B6/42—Arrangements for detecting radiation specially adapted for radiation diagnosis
- A61B6/4275—Arrangements for detecting radiation specially adapted for radiation diagnosis using a detector unit almost surrounding the patient, e.g. more than 180°
-
- 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]
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Medical Informatics (AREA)
- Radiology & Medical Imaging (AREA)
- Molecular Biology (AREA)
- Biophysics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Optics & Photonics (AREA)
- Pathology (AREA)
- Physics & Mathematics (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- High Energy & Nuclear Physics (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Pulmonology (AREA)
- Theoretical Computer Science (AREA)
- Apparatus For Radiation Diagnosis (AREA)
- Measurement Of Radiation (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB8417/76A GB1571509A (en) | 1976-03-03 | 1976-03-03 | Radiography |
Publications (1)
Publication Number | Publication Date |
---|---|
HK37581A true HK37581A (en) | 1981-08-07 |
Family
ID=9852129
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
HK375/81A HK37581A (en) | 1976-03-03 | 1981-07-30 | Improvements in or relating to radiography |
HK374/81A HK37481A (en) | 1976-03-03 | 1981-07-30 | Improvements in or relating to radiography |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
HK374/81A HK37481A (en) | 1976-03-03 | 1981-07-30 | Improvements in or relating to radiography |
Country Status (7)
Country | Link |
---|---|
US (2) | US4101768A (xx) |
DE (1) | DE2709600C2 (xx) |
FR (1) | FR2342707A1 (xx) |
GB (1) | GB1571509A (xx) |
HK (2) | HK37581A (xx) |
MY (1) | MY8200054A (xx) |
NL (1) | NL185752C (xx) |
Families Citing this family (29)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IL51336A (en) * | 1976-09-27 | 1980-06-30 | American Science & Eng Inc | Tomography scanning apparatus with rotaing radiant energy source and stationary detectors |
DE2723401A1 (de) * | 1977-05-24 | 1978-12-07 | Siemens Ag | Schichtgeraet zur herstellung von transversalschichtbildern |
US4266135A (en) * | 1977-07-01 | 1981-05-05 | Ohio Nuclear, Inc. | Method of determining collimator aperture efficiency and apparatus with an efficient collimator aperture size |
GB1576286A (en) * | 1977-07-12 | 1980-10-08 | Emi Ltd | Radiograhy |
US4583241A (en) * | 1977-09-30 | 1986-04-15 | Technicare Corporation | X-ray tomographic apparatus |
AU522916B2 (en) * | 1977-09-30 | 1982-07-01 | Ohio Nuclear | X-ray tomographic apparatus |
DE2756659A1 (de) * | 1977-12-19 | 1979-06-21 | Philips Patentverwaltung | Anordnung zur bestimmung der absorptionsverteilung |
GB1602072A (en) * | 1978-05-12 | 1981-11-04 | Emi Ltd | Processing arrangements for constructing representations of parts of bodies |
GB1602071A (en) * | 1978-05-12 | 1981-11-04 | Emi Ltd | Processing arrangements for medical examination |
US4304999A (en) * | 1979-01-02 | 1981-12-08 | Technicare Corporation | Eccentric source collimator assembly for rotating source CT scanner |
JPS5599087A (en) * | 1979-01-23 | 1980-07-28 | Shimadzu Corp | Emission type tomography |
CA1196691A (en) * | 1982-01-12 | 1985-11-12 | Bradley Fry | Reconstruction system and methods for impedance imaging |
US4559639A (en) * | 1982-11-22 | 1985-12-17 | General Electric Company | X-Ray detector with compensation for height-dependent sensitivity and method of using same |
US4577222A (en) * | 1982-11-26 | 1986-03-18 | Thomson-Csf Broadcast, Inc. | Apparatus and method for cross sectional imaging of a body |
US4672648A (en) * | 1985-10-25 | 1987-06-09 | Picker International, Inc. | Apparatus and method for radiation attenuation |
US4905268A (en) * | 1985-10-25 | 1990-02-27 | Picker International, Inc. | Adjustable off-focal aperture for x-ray tubes |
US4787098A (en) * | 1987-04-10 | 1988-11-22 | Kabushiki Kaisha Toshiba | Method for obtaining calibrated tomographic image data to correct for collimator width differences |
EP0365660B2 (en) * | 1988-04-22 | 2000-01-19 | Analogic Corporation | X-ray tomography apparatus having a position detector |
JPH062131B2 (ja) * | 1988-06-03 | 1994-01-12 | 株式会社東芝 | X線ctスキヤナ |
US5416816A (en) * | 1994-01-27 | 1995-05-16 | Boston Test Tool Company | Calibration template for computed radiography |
US5912938A (en) * | 1996-10-07 | 1999-06-15 | Analogic Corporation | Tomography system having detectors optimized for parallel beam image reconstruction |
US6175609B1 (en) * | 1999-04-20 | 2001-01-16 | General Electric Company | Methods and apparatus for scanning an object in a computed tomography system |
US7224765B2 (en) * | 2002-10-02 | 2007-05-29 | Reveal Imaging Technologies, Inc. | Computed tomography system |
AU2003282723B2 (en) * | 2002-10-02 | 2009-04-23 | Reveal Imaging Technologies, Inc. | Folded array CT baggage scanner |
US7039154B1 (en) * | 2003-10-02 | 2006-05-02 | Reveal Imaging Technologies, Inc. | Folded array CT baggage scanner |
US7242749B2 (en) * | 2005-11-15 | 2007-07-10 | General Electric Company | Methods and systems for dynamic pitch helical scanning |
WO2009074955A1 (en) * | 2007-12-12 | 2009-06-18 | Koninklijke Philips Electronics N.V. | Sleep position detection |
EP2225550A2 (en) * | 2007-12-19 | 2010-09-08 | Koninklijke Philips Electronics N.V. | A rotor and x-ray ct scanners |
US20100246753A1 (en) * | 2009-03-25 | 2010-09-30 | Varian Medical Systems, Inc. | Fourth Generation Computed Tomography Scanner |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1542204A (en) * | 1922-12-27 | 1925-06-16 | Akerlund Ake Olof | Screen for rontgen-ray examination |
US4035647A (en) * | 1972-05-17 | 1977-07-12 | E M I Limited | Radiography |
DE2442809A1 (de) * | 1974-09-06 | 1976-03-18 | Philips Patentverwaltung | Anordnung zur ermittlung der absorption in einem koerper |
GB1546076A (en) * | 1975-06-10 | 1979-05-16 | Emi Ltd | Radiography |
-
1976
- 1976-03-03 GB GB8417/76A patent/GB1571509A/en not_active Expired
-
1977
- 1977-02-28 US US05/772,688 patent/US4101768A/en not_active Expired - Lifetime
- 1977-03-03 NL NLAANVRAGE7702320,A patent/NL185752C/xx not_active IP Right Cessation
- 1977-03-03 DE DE2709600A patent/DE2709600C2/de not_active Expired
- 1977-03-03 FR FR7706282A patent/FR2342707A1/fr active Granted
-
1978
- 1978-04-19 US US05/897,789 patent/US4298799A/en not_active Expired - Lifetime
-
1981
- 1981-07-30 HK HK375/81A patent/HK37581A/xx unknown
- 1981-07-30 HK HK374/81A patent/HK37481A/xx unknown
-
1982
- 1982-12-30 MY MY54/82A patent/MY8200054A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
US4101768A (en) | 1978-07-18 |
DE2709600C2 (de) | 1985-06-27 |
FR2342707A1 (fr) | 1977-09-30 |
FR2342707B1 (xx) | 1981-10-02 |
NL185752C (nl) | 1990-07-16 |
HK37481A (en) | 1981-08-07 |
NL7702320A (nl) | 1977-09-06 |
US4298799A (en) | 1981-11-03 |
GB1571509A (en) | 1980-07-16 |
DE2709600A1 (de) | 1977-09-08 |
MY8200054A (en) | 1982-12-31 |
NL185752B (nl) | 1990-02-16 |
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