DE60034622T2 - Amplitudendemodulator für Computertomographsysteme - Google Patents
Amplitudendemodulator für Computertomographsysteme Download PDFInfo
- Publication number
- DE60034622T2 DE60034622T2 DE60034622T DE60034622T DE60034622T2 DE 60034622 T2 DE60034622 T2 DE 60034622T2 DE 60034622 T DE60034622 T DE 60034622T DE 60034622 T DE60034622 T DE 60034622T DE 60034622 T2 DE60034622 T2 DE 60034622T2
- Authority
- DE
- Germany
- Prior art keywords
- signal
- amplitude
- digital
- data signal
- digitized
- 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 - Fee Related
Links
- 238000002591 computed tomography Methods 0.000 title claims description 14
- 230000005540 biological transmission Effects 0.000 claims description 23
- 238000001914 filtration Methods 0.000 claims description 17
- 239000000835 fiber Substances 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 10
- 238000012545 processing Methods 0.000 claims description 9
- 230000004044 response Effects 0.000 claims description 9
- 230000008878 coupling Effects 0.000 claims description 8
- 238000010168 coupling process Methods 0.000 claims description 8
- 238000005859 coupling reaction Methods 0.000 claims description 8
- 230000003321 amplification Effects 0.000 claims description 5
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 5
- 238000012360 testing method Methods 0.000 description 16
- 238000004891 communication Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 4
- 239000002131 composite material Substances 0.000 description 3
- 238000003384 imaging method Methods 0.000 description 3
- 230000033001 locomotion Effects 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000003325 tomography Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000002500 effect on skin Effects 0.000 description 1
- 230000005670 electromagnetic radiation Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 230000000116 mitigating effect Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000010615 ring circuit Methods 0.000 description 1
- 230000009131 signaling function Effects 0.000 description 1
- 238000012358 sourcing Methods 0.000 description 1
- 238000013519 translation Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/02—Amplitude-modulated carrier systems, e.g. using on-off keying; Single sideband or vestigial sideband modulation
- H04L27/06—Demodulator circuits; Receiver circuits
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Apparatus For Radiation Diagnosis (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US09/282,535 US6301324B1 (en) | 1999-03-31 | 1999-03-31 | RF slipring receiver for a computerized tomography system |
| US282535 | 1999-03-31 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE60034622D1 DE60034622D1 (de) | 2007-06-14 |
| DE60034622T2 true DE60034622T2 (de) | 2007-12-27 |
Family
ID=23081964
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE60034622T Expired - Fee Related DE60034622T2 (de) | 1999-03-31 | 2000-03-30 | Amplitudendemodulator für Computertomographsysteme |
Country Status (6)
| Country | Link |
|---|---|
| US (2) | US6301324B1 (cg-RX-API-DMAC7.html) |
| EP (1) | EP1041785B1 (cg-RX-API-DMAC7.html) |
| JP (1) | JP2000308635A (cg-RX-API-DMAC7.html) |
| CN (1) | CN1250163C (cg-RX-API-DMAC7.html) |
| DE (1) | DE60034622T2 (cg-RX-API-DMAC7.html) |
| IL (2) | IL135205A (cg-RX-API-DMAC7.html) |
Families Citing this family (71)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6396613B1 (en) * | 1998-12-22 | 2002-05-28 | General Electric Company | Optical high speed communications for a computed tomography x-ray machine |
| US6370217B1 (en) * | 1999-05-07 | 2002-04-09 | General Electric Company | Volumetric computed tomography system for cardiac imaging |
| US6327327B1 (en) * | 1999-09-27 | 2001-12-04 | Picker International, Inc. | Multi-channel segmented slip ring |
| DE10007601B4 (de) * | 2000-02-18 | 2005-08-18 | Siemens Ag | Röntgengerät mit Mitteln zur Übertragung von Daten |
| US6424159B1 (en) | 2000-04-25 | 2002-07-23 | Ge Medical Systems Global Technology Company, Llc | Methods and apparatus for monitoring contact slipring disconnections |
| JP2002085390A (ja) * | 2000-06-29 | 2002-03-26 | Siemens Ag | Ｘ線設備 |
| WO2003053246A1 (en) * | 2001-12-19 | 2003-07-03 | Philips Medical Systems Technologies Ltd. | Wireless data transmission in ct-scanners |
| US6788793B2 (en) | 2002-06-04 | 2004-09-07 | Motorola, Inc. | Speaker system for an electronic device |
| DE10241581B4 (de) * | 2002-09-05 | 2007-11-29 | Schleifring Und Apparatebau Gmbh | Schleifringanordnung insbesondere zum Einsatz in Computertomographen mit Steuerung der Senderamplitude |
| DE10241554A1 (de) * | 2002-09-05 | 2004-03-25 | Schleifring Und Apparatebau Gmbh | Empfangseinrichtung für digitale Signale |
| DE10241583B4 (de) * | 2002-09-05 | 2005-09-01 | Schleifring Und Apparatebau Gmbh | Empfangseinrichtung für digitale Signale |
| DE10262316B3 (de) | 2002-09-27 | 2022-05-12 | Schleifring Gmbh | Vorrichtung zur Übertragung digitaler Signale zwischen beweglichen Einheiten |
| DE10245450B4 (de) | 2002-09-27 | 2018-06-14 | Schleifring Gmbh | Vorrichtung und Verfahren zur Übertragung digitaler Signale zwischen beweglichen Einheiten mit variabler Übertragungsrate |
| DE10245505B4 (de) * | 2002-09-27 | 2010-03-25 | Schleifring Und Apparatebau Gmbh | Vorrichtung zur Übertragung digitaler Signale zwischen beweglichen Einheiten mit analoger Filterung |
| DE10245449A1 (de) * | 2002-09-27 | 2004-04-08 | Schleifring Und Apparatebau Gmbh | Vorrichtung zur Übertragung digitaler Signale zwischen beweglichen Einheiten mit Beeinflussung der spektralen Eigenschaften |
| DE10245589B4 (de) * | 2002-09-27 | 2007-04-26 | Schleifring Und Apparatebau Gmbh | Vorrichtung zur Übertragung digitaler Signale zwischen beweglichen Einheiten |
| FR2847798B1 (fr) * | 2002-11-28 | 2006-02-10 | Ge Med Sys Global Tech Co Llc | Procede pour determiner des parametres fonctionnels dans un dispositif de fluoroscopie |
| DE10354494B4 (de) * | 2003-11-21 | 2019-04-11 | Siemens Healthcare Gmbh | Verfahren zur Daten- und Signalübertragung zwischen unterschiedlichen Teileinheiten einer medizintechnischen Anlage |
| ATE470229T1 (de) * | 2003-11-27 | 2010-06-15 | Schleifring Und Appbau Gmbh | Computertomograph mit berührungsloser energieübertragung |
| DE10356109B4 (de) * | 2003-11-27 | 2006-09-21 | Schleifring Und Apparatebau Gmbh | Computertomographen mit berührungsloser Energieübertragung |
| US7079619B2 (en) * | 2003-12-17 | 2006-07-18 | Ge Medical Systems Global Technology Company, Llc. | System and method for data slipring connection |
| CN100481130C (zh) * | 2004-01-29 | 2009-04-22 | 皇家飞利浦电子股份有限公司 | 减小多层ct重建中的风车状伪像的方法和设备 |
| DE102004031355A1 (de) * | 2004-03-31 | 2005-10-27 | Schleifring Und Apparatebau Gmbh | Drehübertrager mit dielektrischem Wellenleiter |
| US7054411B2 (en) * | 2004-04-01 | 2006-05-30 | General Electric Company | Multichannel contactless power transfer system for a computed tomography system |
| WO2005119297A2 (en) * | 2004-05-27 | 2005-12-15 | L-3 Communications Security And Detection Systems, Inc. | Contraband detection systems using a large-angle cone beam ct system |
| DE102004050384B4 (de) * | 2004-10-15 | 2010-08-12 | Siemens Ag | Signalübertragungseinrichtung zur Übertragung von Signalen zwischen zwei relativ zueinander bewegten Elementen unter Nutzung einer optisch auslesbaren Streifenleitung |
| DE102004051170B4 (de) * | 2004-10-20 | 2015-03-05 | Siemens Aktiengesellschaft | Computertomographiegerät mit gleichzeitiger kontaktloser elektrischer Übertragung von Versorgungsspannung und Mess- und Steuerdaten |
| JP2006243865A (ja) | 2005-03-01 | 2006-09-14 | Seiko Epson Corp | プロセッサおよび情報処理方法 |
| DE102005027632B4 (de) * | 2005-03-31 | 2009-09-24 | Schleifring Und Apparatebau Gmbh | Mehrkanal-Datenübertragungssystem für Computertomographen |
| DE102005022825A1 (de) * | 2005-05-12 | 2007-03-01 | Schleifring Und Apparatebau Gmbh | Datenübertragungssystem für Computertomographen |
| DE102005035802A1 (de) * | 2005-07-27 | 2007-02-01 | Schleifring Und Apparatebau Gmbh | Datenübertragungssystem für Computertomographen |
| US7466791B2 (en) * | 2005-05-12 | 2008-12-16 | Schleifring Und Apparatebau Gmbh | Data transmission system for computer tomographs |
| DE102005026158B4 (de) * | 2005-06-06 | 2011-09-15 | Schleifring Und Apparatebau Gmbh | Datenübertragungssystem für Computertomographen |
| DE102005056049C5 (de) * | 2005-07-29 | 2016-02-18 | Siemens Aktiengesellschaft | Vorrichtung zur kontaktlosen Übertragung elektrischer Signale zwischen zwei relativ zueinander bewegten Teilen mit verminderter Störstrahlung |
| US7957786B2 (en) * | 2005-08-15 | 2011-06-07 | General Electric Company | Methods and apparatus for communicating signals between portions of an apparatus in relative movement to one another |
| DE102005040375A1 (de) | 2005-08-25 | 2007-03-01 | Dürr Dental GmbH & Co. KG | Vorrichtung zur Erstellung von Durchstrahlungsbildern |
| EP1810617B1 (en) * | 2006-01-18 | 2008-12-03 | Kabushiki Kaisha Toshiba | X-ray CT apparatus and medical data communication link system |
| DE102006054128A1 (de) * | 2006-04-24 | 2007-10-25 | Schleifring Und Apparatebau Gmbh | Datenübertragungseinrichtung |
| DE102006021608A1 (de) * | 2006-05-09 | 2007-11-22 | Siemens Ag | Vorrichtung und Verfahren zur Datenübertragung mit hoher Datenrate zwischen zwei in geringem Abstand relativ zueinander bewegten Teilen |
| EP2160134B1 (de) * | 2007-06-21 | 2012-11-14 | Schleifring und Apparatebau GmbH | Kontaktloser drehübertrager |
| WO2009033001A2 (en) * | 2007-09-05 | 2009-03-12 | University Of Utah Research Foundation | Robust location distinction using teporal link signatures |
| US7844097B2 (en) * | 2007-12-03 | 2010-11-30 | Samplify Systems, Inc. | Compression and decompression of computed tomography data |
| US7717619B2 (en) * | 2008-01-18 | 2010-05-18 | General Electric Company | Contactless power and data transmission apparatus |
| DE102008011594A1 (de) | 2008-02-28 | 2009-09-10 | Schleifring Und Apparatebau Gmbh | Vorrichtung zur kontaktlosen Übertragung elektrischer Signale in einem Computertomographiesystem |
| DE102008000487A1 (de) | 2008-03-03 | 2009-09-24 | Schleifring Und Apparatebau Gmbh | Drehübertrager mit aktiver Kompensation der Übertragungsfunktion |
| CN101627918A (zh) * | 2008-07-18 | 2010-01-20 | Ge医疗系统环球技术有限公司 | Ct影像压缩方法和装置 |
| US7916830B2 (en) * | 2008-09-11 | 2011-03-29 | Samplify Systems, Inc. | Edge detection for computed tomography projection data compression |
| US7852977B2 (en) * | 2008-09-11 | 2010-12-14 | Samplify Systems, Inc. | Adaptive compression of computed tomography projection data |
| US8515061B2 (en) * | 2008-09-11 | 2013-08-20 | The University Of Utah Research Foundation | Method and system for high rate uncorrelated shared secret bit extraction from wireless link characteristics |
| WO2010030927A2 (en) | 2008-09-11 | 2010-03-18 | University Of Utah Research Foundation | Method and system for secret key exchange using wireless link characteristics and random device movement |
| WO2010030956A2 (en) * | 2008-09-12 | 2010-03-18 | University Of Utah Research Foundation | Method and system for tracking objects using radio tomographic imaging |
| US9049225B2 (en) | 2008-09-12 | 2015-06-02 | University Of Utah Research Foundation | Method and system for detecting unauthorized wireless access points using clock skews |
| DE102008042697A1 (de) | 2008-10-09 | 2009-11-05 | Schleifring Und Apparatebau Gmbh | Kontaktloser Drehübertrager mit Taktmodulation |
| US8151022B2 (en) * | 2008-11-26 | 2012-04-03 | Simplify Systems, Inc. | Compression and storage of projection data in a rotatable part of a computed tomography system |
| EP2665035A3 (de) * | 2009-02-20 | 2016-12-07 | Werth Messtechnik GmbH | Verfahren zum Messen eines Objekts |
| DE102009060316C5 (de) * | 2009-12-23 | 2019-10-31 | Siemens Healthcare Gmbh | Vorrichtung zur Datenübertragung, Computertomographiegerät und Verfahren zur Datenübertragung |
| KR101140669B1 (ko) | 2010-06-23 | 2012-05-03 | 안기용 | 회전체 카메라의 슬립링 무선 인터페이스 장치 |
| US8818288B2 (en) | 2010-07-09 | 2014-08-26 | University Of Utah Research Foundation | Statistical inversion method and system for device-free localization in RF sensor networks |
| JP2012040216A (ja) * | 2010-08-20 | 2012-03-01 | Fujifilm Corp | 放射線画像信号の暗号化処理方法、復号化処理方法、放射線画像検出装置および放射線画像信号生成装置 |
| US8731530B1 (en) * | 2012-04-26 | 2014-05-20 | Intelligent Technologies International, Inc. | In-vehicle driver cell phone detector |
| US9042872B1 (en) * | 2012-04-26 | 2015-05-26 | Intelligent Technologies International, Inc. | In-vehicle driver cell phone detector |
| US8985852B2 (en) | 2012-07-12 | 2015-03-24 | Schleifring Und Apparatebau Gmbh | Monitoring device for a CT scanner gantry |
| US20140254602A1 (en) * | 2013-03-05 | 2014-09-11 | Schleifring Und Apparatebau Gmbh | High Speed Network Contactless Rotary Joint |
| US9306353B2 (en) | 2013-05-29 | 2016-04-05 | Moog Inc. | Integrated rotary joint assembly with internal temperature-affecting element |
| CA2932622C (en) * | 2013-12-17 | 2019-05-28 | Moog Inc. | High-speed data link with planar near-field probe |
| EP3018842B1 (en) * | 2014-11-04 | 2017-03-22 | Schleifring und Apparatebau GmbH | Method and device for the adjustment of contactless data links |
| DE102016122465A1 (de) | 2016-11-22 | 2018-05-24 | Hauni Maschinenbau Gmbh | Vorrichtung zum Prüfen, Bearbeiten und/oder Fördern von Artikeln der Tabak verarbeitenden Industrie |
| CN110520051B (zh) * | 2017-03-24 | 2023-08-01 | 史密斯探测公司 | Ct系统中的非接触式数据通信 |
| CN112198378B (zh) * | 2020-09-07 | 2022-09-27 | 上海联影医疗科技股份有限公司 | 滑环故障检测装置及方法 |
| JP7568570B2 (ja) * | 2021-04-08 | 2024-10-16 | キヤノンメディカルシステムズ株式会社 | 近接通信システム、ｘ線ｃｔ装置及び近接通信制御方法 |
| CN114167480B (zh) * | 2021-12-03 | 2025-09-05 | 北京航星机器制造有限公司 | 电容耦合式滑环的安装方法 |
Family Cites Families (28)
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| US3515992A (en) * | 1967-06-09 | 1970-06-02 | Itt | Automatic alarm detector |
| US3691465A (en) * | 1970-12-14 | 1972-09-12 | Robert I Mcfadyen | Low level am detector and automatic gain control network |
| GB1493148A (en) * | 1974-01-31 | 1977-11-23 | Emi Ltd | Radiography |
| NL7707414A (en) * | 1977-07-05 | 1979-01-09 | Philips Nv | Local surface radiation absorption meter - rotates penetrating radiation and has detectors and A=D converter, adaptor and digital memory |
| US4323292A (en) | 1980-05-12 | 1982-04-06 | Litton Systems, Inc. | High voltage slip ring assembly |
| US4329004A (en) | 1980-05-12 | 1982-05-11 | Litton Systems, Inc. | Gas filled high voltage slip ring assembly |
| US4679247A (en) * | 1985-03-27 | 1987-07-07 | Cincinnati Microwave, Inc. | FM receiver |
| US4682344A (en) * | 1985-07-30 | 1987-07-21 | Amp Incorporated | Rf fsk transmitter |
| US5157393A (en) * | 1989-02-28 | 1992-10-20 | Kabushiki Kaisha Toshiba | Communication system for transmitting data between a transmitting antenna utilizing leaky coaxial cable and a receive antenna in relative movement to one another |
| US5140696A (en) * | 1989-02-28 | 1992-08-18 | Kabushiki Kaisha Toshiba | Communication system for transmitting data between a transmitting antenna utilizing strip-line transmission line and a receive antenna in relative movement to one another |
| JPH03205901A (ja) * | 1989-10-26 | 1991-09-09 | Toshiba Corp | 電気機械装置 |
| US5018174A (en) | 1989-11-20 | 1991-05-21 | General Electric Company | High speed communication apparatus for computerized axial tomography (CAT) scanners |
| EP0542087A3 (en) * | 1991-11-10 | 1997-12-29 | Hewlett-Packard Company | Method and apparatus for efficient serialized transmission of handshake signal on a digital bus |
| US5208581A (en) | 1991-11-22 | 1993-05-04 | General Electric Company | High speed communication apparatus for computerized axial tomography (cat) scanners with matching receiver |
| US5261004A (en) * | 1991-12-17 | 1993-11-09 | Delco Electronics Corporation | Noise blanking circuit for AM stero |
| US5175754A (en) | 1992-05-11 | 1992-12-29 | General Electric Company | Gantry position reference for tomographic scanners |
| US5577026A (en) * | 1993-12-28 | 1996-11-19 | Analogic Corporation | Apparatus for transferring data to and from a moving device |
| US5530425A (en) | 1994-09-16 | 1996-06-25 | General Electric Company | Radiation shielded apparatus for high data rate communication in a computerized tomography system |
| US5530423A (en) | 1994-09-16 | 1996-06-25 | General Electric Company | Transmission line with a grounding brush for high data rate communication in a computerized tomography system |
| US5530424A (en) | 1994-09-16 | 1996-06-25 | General Electric Company | Apparatus and method for high data rate communication in a computerized tomography system |
| US5530422A (en) | 1994-09-16 | 1996-06-25 | General Electric Company | Differentially driven transmission line for high data rate communication in a computerized tomography system |
| US5646962A (en) | 1994-12-05 | 1997-07-08 | General Electric Company | Apparatus for reducing electromagnetic radiation from a differentially driven transmission line used for high data rate communication in a computerized tomography system |
| US5600697A (en) | 1995-03-20 | 1997-02-04 | General Electric Company | Transmission line using a power combiner for high data rate communication in a computerized tomography system |
| US5579357A (en) * | 1995-03-20 | 1996-11-26 | General Electric Company | Transmission line using a phase splitter for high data rate communication in a computerized tomography system |
| US5737356A (en) * | 1995-03-31 | 1998-04-07 | General Electric Company | Spectral spreading apparatus for reducing electromagnetic radiation from a transmission line used for high data rate communication in a computerized tomography system |
| US6194978B1 (en) * | 1996-04-08 | 2001-02-27 | Harry A. Romano | Interrupt modulation method and apparatus |
| US5828719A (en) | 1996-12-23 | 1998-10-27 | General Electric Company | Methods and apparatus for modulating data acquisition system gain |
| US6181766B1 (en) * | 1998-08-25 | 2001-01-30 | General Electric Company | Digital encoding of RF computerized tomography data |
-
1999
- 1999-03-31 US US09/282,535 patent/US6301324B1/en not_active Expired - Fee Related
-
2000
- 2000-03-22 IL IL13520500A patent/IL135205A/xx not_active IP Right Cessation
- 2000-03-30 DE DE60034622T patent/DE60034622T2/de not_active Expired - Fee Related
- 2000-03-30 EP EP00302669A patent/EP1041785B1/en not_active Expired - Lifetime
- 2000-03-31 JP JP2000096069A patent/JP2000308635A/ja not_active Withdrawn
- 2000-03-31 CN CNB001053795A patent/CN1250163C/zh not_active Expired - Fee Related
-
2001
- 2001-08-13 US US09/928,620 patent/US6433631B2/en not_active Expired - Lifetime
-
2002
- 2002-07-08 IL IL15062002A patent/IL150620A0/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| IL135205A (en) | 2005-09-25 |
| DE60034622D1 (de) | 2007-06-14 |
| US20020003450A1 (en) | 2002-01-10 |
| IL150620A0 (en) | 2003-02-12 |
| IL135205A0 (en) | 2001-05-20 |
| EP1041785A2 (en) | 2000-10-04 |
| EP1041785A3 (en) | 2004-02-25 |
| CN1268338A (zh) | 2000-10-04 |
| JP2000308635A (ja) | 2000-11-07 |
| EP1041785B1 (en) | 2007-05-02 |
| US6433631B2 (en) | 2002-08-13 |
| CN1250163C (zh) | 2006-04-12 |
| US6301324B1 (en) | 2001-10-09 |
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