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EP0431684
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EP About this file: EP0431684
| EP0431684 - MRI apparatus having an optimally adjusted detection chain and an enlarged dynamic range [Right-click to bookmark this link] | Status | The application is deemed to be withdrawn Status updated on 26.06.1992 Database last updated on 06.07.2024 | Most recent event Tooltip | 26.06.1992 | Application deemed to be withdrawn | published on 19.08.1992 [1992/34] | Applicant(s) | For all designated states Koninklijke Philips Electronics N.V. Groenewoudseweg 1 5621 BA Eindhoven / NL | [N/P] |
| Former [1991/24] | For all designated states Philips Electronics N.V. Groenewoudseweg 1 NL-5621 BA Eindhoven / NL | Inventor(s) | 01 /
den Boef, Johannes Hendrik c/o INT. OCTROOIBUREAU B.V. Prof. Holstlaan 6 NL-5656 AA Eindhoven / NL | 02 /
Mehlkopf, Antoon Frans c/o INT. OCTROOIBUREAU B.V. Prof. Holstlaan 6 NL-5656 AA Eindhoven / NL | [1991/24] | Representative(s) | Zwaan, Andries Willem, et al INTERNATIONAAL OCTROOIBUREAU B.V., Prof. Holstlaan 6 NL-5656 AA Eindhoven / NL | [1991/24] | Application number, filing date | 90203157.4 | 30.11.1990 | [1991/24] | Priority number, date | NL19890002991 | 05.12.1989 Original published format: NL 8902991 | [1991/24] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | EP0431684 | Date: | 12.06.1991 | Language: | EN | [1991/24] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 21.03.1991 | Classification | IPC: | G01R33/54, G01R33/56 | [1991/24] | CPC: |
G01R33/3621 (EP,US);
G01R33/56 (EP,US);
G01R33/583 (EP,US)
| Designated contracting states | DE, FR, GB [1991/24] | Title | German: | Apparat zur Bilderzeugung mittels magnetischer Resonanz mit Optimaleinstellung des Detektorkreises und mit erweitertem dynamischem Bereich | [1991/24] | English: | MRI apparatus having an optimally adjusted detection chain and an enlarged dynamic range | [1991/24] | French: | Dispositif RMN à réglage optimal du circuit de détection et à gamme dynamic étendue | [1991/24] | File destroyed: | 21.02.2000 | Examination procedure | 13.12.1991 | Application deemed to be withdrawn, date of legal effect [1992/34] | 20.03.1992 | Despatch of communication that the application is deemed to be withdrawn, reason: examination fee not paid in time [1992/34] |
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| Responsibility for the accuracy, completeness or quality of the data displayed under the link provided lies entirely with the Unified Patent Court. | Documents cited: | Search | [A]DE3605162 (TOSHIBA KAWASAKI KK [JP]); | [A]EP0209375 (ADVANCED NMR SYSTEMS [US]); | [AD]GB2177861 (YOKOGAWA HOKUSHIN ELECTRIC, et al) | [A] - JOURNAL OF MAGNETIC RESONANCE, vol. 76, no. 2, 1st February 1988, pages 287-305, Duluth, MNUS; A.A. MAUDSLEY: "Dynamic range improvement in NMR imaging using phase scrambling" | [AD] - JOURNAL OF MAGNETIC RESONANCE, vol. 78, no. 3, July 1988, pages 574-576, Duluth, MNUS; R.W. DIJKSTRA: "An NMR preamplifier modification provides increased proton sensitivity" | [A] - PROCEEDINGS OF THE ANNUAL INTERNATIONAL CONFERENCE OF THE IEEE, ENGINEERING IN MEDICINE AND BIOLOGY SOCIETY, New Orleans, Louisiane, 4th - 7th November 1988pages 334-335; A. SHAH et al.: "RF refocussed variable flip angle MRI using optimal pulse modulation" | [A] - MAGNETIC RESONANCE IN MEDICINE, vol. 6, no. 3, March 1988, pages 287-295, Duluth, MNUS; V.J. WEDEEN et al.: "Dynamic range compression in MRI by means of a nonlinear gradient pulse" |