OPPELT; Ralph

Patent Applications and Registrations

Patent applications and USPTO patent grants for OPPELT; Ralph.The latest application filed is for "generating a tuning signal for tuning a magnetic antenna".

Company Profile

3.82.68

OPPELT; Ralph - Erlangen DE
Oppelt; Ralph - Uttenreuth DE
Oppelt; Ralph - Weiher DE
Oppelt; Ralph - Herzogenaurach DE

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Generating A Tuning Signal For Tuning A Magnetic Antenna App 20220013910 - KILIAN; Gerd ; et al.	2022-01-13
Participant Of A Communication System With A Magnetic Antenna App 20210359425 - ULBRICHT; Gerald ; et al.	2021-11-18
Local coil with frequency converter Grant 10,605,876 - Bollenbeck , et al.	2020-03-31
Transmission amplifier for amplifying a signal in a wire-free transmission system Grant 10,439,568 - Eiermann , et al. O	2019-10-08
Continuously digitally adjustable phase actuator Grant 10,365,336 - Oppelt , et al. July 30, 2	2019-07-30
Field-coupled connection technique for linking coils and/or patient tables in magnetic resonance imaging Grant 10,247,792 - Biber , et al.	2019-04-02
Continuously digitally adjustable phase actuator App 20190056467 - Oppelt; Ralph ; et al.	2019-02-21
Transmission Amplifier For Amplifying A Signal In A Wire-free Transmission System App 20180367108 - Eiermann; Franz ; et al.	2018-12-20
Local Coil With Frequency Converter App 20180364320 - Bollenbeck; Jan ; et al.	2018-12-20
Transmitting a frequency-modulated signal Grant 9,954,700 - Oppelt , et al. April 24, 2	2018-04-24
Standing wave damping on a waveguide carrying a signal Grant 9,935,350 - Oppelt April 3, 2	2018-04-03
Apparatus for checking for a presence of an electrically conductive body, and charging system Grant 9,857,495 - Eiermann , et al. January 2, 2	2018-01-02
Directional coupler Grant 9,847,567 - Oppelt December 19, 2	2017-12-19
MRI antenna coil selection unit within patient table cable duct Grant 9,817,089 - Biber , et al. November 14, 2	2017-11-14
Method for simultaneous transmission of high-frequency transmission signals via a common high-frequency line Grant 9,778,330 - Oppelt , et al. October 3, 2	2017-10-03
Transmission of PET-signals by means of time division multiplexing Grant 9,778,383 - Schmand , et al. October 3, 2	2017-10-03
Frequency modulator and magnetic resonance tomography system with a frequency modulator Grant 9,780,727 - Oppelt October 3, 2	2017-10-03
Planar Standing Wave Trap for a Magnetic Resonance Tomograph App 20170219667 - Fackelmeier; Andreas ; et al.	2017-08-03
Transmission Of PET-Signals By Means Of Time Division Multiplexing App 20170074996 - Schmand; Matthias J. ; et al.	2017-03-16
Arrangement for the transmission of magnetic resonance signals Grant 9,529,067 - Bollenbeck , et al. December 27, 2	2016-12-27
Standing Wave Damping On A Waveguide Carrying A Signal App 20160181684 - Oppelt; Ralph	2016-06-23
Field-coupled Connection Technique for Linking Coils and/or Patient Tables in Magnetic Resonance Imaging App 20150331074 - Biber; Stephan ; et al.	2015-11-19
Apparatus For Checking For A Presence Of An Electrically Conductive Body, And Charging System App 20150293253 - EIERMANN; FRANZ ; et al.	2015-10-15
Broadband balun Grant 9,154,106 - Oppelt October 6, 2	2015-10-06
Dual imaging acquisition using common time-base frequency Grant 9,134,392 - Caruba , et al. September 15, 2	2015-09-15
Directional Coupler App 20150244054 - Oppelt; Ralph	2015-08-27
Transmitting a Frequency-Modulated Signal App 20150207653 - Oppelt; Ralph ; et al.	2015-07-23
Balancing Circuit App 20140347143 - Oppelt; Ralph	2014-11-27
Preprocessing circuit for receive signals of a local coil Grant 8,866,482 - Bollenbeck , et al. October 21, 2	2014-10-21
Method and Circuit Arrangement for Converting a Sine Wave Signal into a Square Wave Signal App 20140218094 - Oppelt; Ralph	2014-08-07
Arrangement for the Transmission of Magnetic Resonance Signals App 20140062480 - Bollenbeck; Jan ; et al.	2014-03-06
Frequency Modulator and Magnetic Resonance Tomography System with a Frequency Modulator App 20140009237 - Oppelt; Ralph	2014-01-09
Method for Simultaneous Transmission of High-Frequency Transmission Signals via a Common High-Frequency Line App 20140002087 - Oppelt; Ralph ; et al.	2014-01-02
Arrangement for processing a non-symmetrical and a symmetrical signal Grant 8,526,902 - Biber , et al. September 3, 2	2013-09-03
Provision of an AC signal Grant 8,513,998 - Oppelt August 20, 2	2013-08-20
Method for transmitting magnetic resonance signals with double frequency conversion Grant 8,489,025 - Biber , et al. July 16, 2	2013-07-16
Broadband Balun App 20130169375 - Oppelt; Ralph	2013-07-04
Selection Unit For A Magnetic Resonance Imaging System App 20130162253 - Biber; Stephan ; et al.	2013-06-27
Arrangement For Processing A Non-symmetrical And A Symmetrical Signal App 20130063221 - Biber; Stephan ; et al.	2013-03-14
Remotely fed module Grant 8,379,549 - Oppelt , et al. February 19, 2	2013-02-19
Position control of medical appliances in the human body by means of phase difference measurement Grant 8,360,962 - Diehl , et al. January 29, 2	2013-01-29
Provision Of An Ac Signal App 20120235723 - Oppelt; Ralph	2012-09-20
Diplex filter and method to filter signals Grant 8,217,657 - Oppelt July 10, 2	2012-07-10
Dual Imaging Acquisition Using Common Time-Base Frequency App 20120089007 - Caruba; James Frank ; et al.	2012-04-12
Method For Transmitting Magnetic Resonance Signals With Double Frequency Conversion App 20120071117 - BIBER; STEPHAN ; et al.	2012-03-22
Preprocessing Circuit For Receive Signals Of A Local Coil App 20120020259 - Bollenbeck; Jan ; et al.	2012-01-26
Arrangement to transmit magnetic resonance signals Grant 8,055,196 - Biber , et al. November 8, 2	2011-11-08
Control apparatus for a magnetic resonance imaging antenna arrangement Grant 7,977,944 - Oppelt , et al. July 12, 2	2011-07-12
Filter circuit arrangement Grant 7,890,070 - Bollenbeck , et al. February 15, 2	2011-02-15
Arrangement to transmit magnetic resonance signals via multiplexed multiplexer reception branches Grant 7,834,628 - Biber , et al. November 16, 2	2010-11-16
Position Control Of Medical Appliances In The Human Body By Means Of Phase Difference Measurement App 20100274086 - Diehl; Dirk ; et al.	2010-10-28
Method and apparatus for transmission of signals Grant 7,761,060 - Oppelt July 20, 2	2010-07-20
Remotely Fed Module App 20100157859 - Oppelt; Ralph ; et al.	2010-06-24
Impedance-mapping amplifier circuit with exclusively reactive negative feedback Grant 7,737,787 - Oppelt , et al. June 15, 2	2010-06-15
Diplex Filter And Method To Filter Signals App 20100117653 - Oppelt; Ralph	2010-05-13
Method for determining positron emission measurement information in the context of positron emission tomography Grant 7,683,330 - Krieg , et al. March 23, 2	2010-03-23
Controller for a radio-frequency amplifier Grant 7,672,649 - Huber , et al. March 2, 2	2010-03-02
Arrangement To Transmit Magnetic Resonance Signals App 20090286478 - Biber; Stephan ; et al.	2009-11-19
Control Apparatus For A Magnetic Resonance Imaging Antenna Arrangement App 20090201022 - Oppelt; Ralph ; et al.	2009-08-13
Impedance-mapping Amplifier Circuit With Exclusively Reactive Negative Feedback App 20090179705 - Oppelt; Ralph ; et al.	2009-07-16
Combined positron emission tomography and magnetic resonance tomography unit Grant 7,522,952 - Krieg , et al. April 21, 2	2009-04-21
Arrangement To Transmit Magnetic Resonance Signals App 20090096455 - Biber; Stephan ; et al.	2009-04-16
Amplifier device including an operational amplifier, transformer and feedback loop Grant 7,504,883 - Bollenbeck , et al. March 17, 2	2009-03-17
Method for combining PET with MR perfusion and diffusion Grant 7,482,592 - Krieg , et al. January 27, 2	2009-01-27
Push-pull amplifier with transformational negative feedback Grant 7,432,764 - Oppelt October 7, 2	2008-10-07
Filter Circuit Arrangement App 20080136473 - Bollenbeck; Jan ; et al.	2008-06-12
Combined positron emission tomography and magnetic resonance tomography unit Grant 7,323,874 - Krieg , et al. January 29, 2	2008-01-29
Controller For A Radio-frequency Amplifier App 20070259630 - Huber; Klaus ; et al.	2007-11-08
Amplifier Device App 20070188233 - Bollenbeck; Jan ; et al.	2007-08-16
Antenna amplifier, in particular for a magnetic resonance antenna Grant 7,239,144 - Oppelt , et al. July 3, 2	2007-07-03
RF transmitter arrangement for an MR system, and method for determining a setting parameter therefor Grant 7,221,162 - Feiweier , et al. May 22, 2	2007-05-22
Magnetic resonance system and operating method for RF pulse optimization Grant 7,218,113 - Feiweier , et al. May 15, 2	2007-05-15
Circuit arrangement for the switchable amplification of variable electrical signals Grant 7,183,855 - Huber , et al. February 27, 2	2007-02-27
Push-pull amplifier with transformational negative feedback App 20070040612 - Oppelt; Ralph	2007-02-22
Method for combining pet with MR perfusion and diffusion App 20060284096 - Krieg; Robert ; et al.	2006-12-21
Method for determining positron emission measurement information in the context of positron emission tomography App 20060266947 - Krieg; Robert ; et al.	2006-11-30
Combined positron emission tomography and magnetic resonance tomography unit App 20060250133 - Krieg; Robert ; et al.	2006-11-09
Combined positron emission tomography and magnetic resonance tomography unit App 20060251312 - Krieg; Robert ; et al.	2006-11-09
Reception unit for a magnetic resonance tomography apparatus Grant 7,126,337 - Oppelt October 24, 2	2006-10-24
Multiplexer with clock suppression Grant 7,098,719 - Oppelt August 29, 2	2006-08-29
Crossbar switch Grant 7,064,628 - Oppelt , et al. June 20, 2	2006-06-20
Method and apparatus for transmission of signals App 20060100860 - Oppelt; Ralph	2006-05-11
Reception unit for a magnetic resonance tomography apparatus App 20060038568 - Oppelt; Ralph	2006-02-23
Differential amplifier Grant 6,982,598 - Oppelt January 3, 2	2006-01-03
Antenna Amplifier, in particular for a magnetic resonance antenna App 20050270031 - Oppelt, Ralph ; et al.	2005-12-08
Method for local reduction of the operating noise produced by a medical diagnostic or therapy device, and medical diagnostic or therapy device having a device for implementing such a method Grant 6,954,666 - Bechtold , et al. October 11, 2	2005-10-11
Controllable two-phase network with amplitude compensation Grant 6,943,643 - Oppelt September 13, 2	2005-09-13
Magnetic resonance system and operating method for RF pulse optimization App 20050189940 - Feiweier, Thorsten ; et al.	2005-09-01
RF transmitter arrangement for an MR system, and method for determining a setting parameter therefor App 20050140369 - Feiweier, Thorsten ; et al.	2005-06-30
Circuit arrangement for the switchable amplification of variable electrical signals App 20050104655 - Huber, Klaus ; et al.	2005-05-19
Multiplexer with clock suppression App 20050077946 - Oppelt, Ralph	2005-04-14
Amplifier device with an adjustable operating-control Grant 6,864,747 - Oppelt , et al. March 8, 2	2005-03-08
Crossbar switch App 20050041496 - Oppelt, Ralph ; et al.	2005-02-24
Amplifier device with a selectable active or passive operational mode and ultrasonic apparatus Grant 6,844,778 - Oppelt January 18, 2	2005-01-18
Low-noise amplifier device having negative feedback via a controlled current source, and method of using the amplifier device Grant 6,838,936 - Oppelt January 4, 2	2005-01-04
Controllable two-phase network with amplitude compensation App 20040145398 - Oppelt, Ralph	2004-07-29
Differential amplifier App 20040145414 - Oppelt, Ralph	2004-07-29
Dynamics compressor for an analog signal to be compressed Grant 6,714,093 - Oppelt , et al. March 30, 2	2004-03-30
Method and device for recording an image of an object surface using focussed radiation Grant 6,704,589 - Oppelt , et al. March 9, 2	2004-03-09
Low-noise amplifier device having negative feedback via a controlled current source, and method of using the amplifier device App 20030234684 - Oppelt, Ralph	2003-12-25
Amplifier device with a selectable active or passive operational mode and ultrasonic apparatus App 20030160652 - Oppelt, Ralph	2003-08-28
Low-noise broadband amplifier device having negative feedback via a controlled current source, and use of the amplifier device Grant 6,580,317 - Oppelt June 17, 2	2003-06-17
Dynamics compressor for an analog signal to be compressed App 20030076187 - Oppelt, Ralph ; et al.	2003-04-24
Electrical conductor arrangement Grant 6,492,817 - Gebhardt , et al. December 10, 2	2002-12-10
Amplifier device with frequency-response-compensating amplifier reactance, and use of the amplifier device App 20020041205 - Oppelt, Ralph	2002-04-11
Electrical conductor arrangement App 20010050176 - Gebhardt, Matthias ; et al.	2001-12-13
Transmit/receive ultrasound front end circuit providing automatic transmit/receive switching Grant 6,074,346 - Oppelt June 13, 2	2000-06-13
Ultrasound imaging system having a reduced number of lines between the base unit and the probe Grant 5,622,177 - Breimesser , et al. April 22, 1	1997-04-22
Duplexer including a field-effect transistor for use in an ultrasound imaging system Grant 5,603,324 - Oppelt , et al. February 18, 1	1997-02-18
Diagnostic magnetic resonance apparatus having a radio frequency shield between the radio frequency antenna and the gradient coil system Grant 5,574,372 - Moritz , et al. November 12, 1	1996-11-12
Detuning circuit for resonators in a nuclear magnetic resonance imaging apparatus Grant 5,260,658 - Greim , et al. November 9, 1	1993-11-09
Surface resonator for a magnetic resonance imaging apparatus Grant 5,153,517 - Oppelt , et al. October 6, 1	1992-10-06
Circularly polarizing RF antenna for an MRI apparatus Grant 5,144,239 - Oppelt , et al. September 1, 1	1992-09-01
Circularly polarizing RF antenna for an MRI apparatus having a C-magnet Grant 5,144,241 - Oppelt , et al. September 1, 1	1992-09-01
Resonator for a magnetic resonance imaging apparatus Grant 5,128,615 - Oppelt , et al. July 7, 1	1992-07-07
Line transformer Grant 4,992,769 - Oppelt February 12, 1	1991-02-12
.pi./2 power divider Grant 4,945,321 - Oppelt , et al. July 31, 1	1990-07-31
Arrangement for operating a symmetrical radio-frequency antenna in a nuclear magnetic resonance tomography apparatus Grant 4,922,204 - Duerr , et al. May 1, 1	1990-05-01
Array apparatus for reading-out a two-dimensional charge image Grant 4,592,029 - Altmann , et al. May 27, 1	1986-05-27

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