Patents by Inventor Sam Kavusi
Sam Kavusi has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20140113384Abstract: Lateral flow immunoassay devices for determining the concentration of an analyte in a sample and methods for measuring analyte concentration in sample using such lateral flow immunoassay devices.Type: ApplicationFiled: October 23, 2012Publication date: April 24, 2014Applicant: Robert Bosch GmbHInventors: Sam KAVUSI, Frederik Kotz
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Patent number: 8648016Abstract: A system and method of quantitating the concentration of a molecule of interest in one embodiment includes establishing a plurality of test environments at a plurality of test sites, each of the plurality of test environments associated with one of a plurality of response curves, each of the plurality of response curves different from the other of the plurality of response curves, storing a combined response curve resulting from a summation of the plurality of response curves, exposing the plurality of test sites to a sample having a concentration of a molecule of interest, obtaining a plurality of quantitation signals, each of the plurality of quantitation signals associated with one of the plurality of test sites, associating a summation of the plurality of quantitation signals with the stored combined response curve, and generating a signal related to the concentration of the molecule of interest based upon the association.Type: GrantFiled: February 8, 2010Date of Patent: February 11, 2014Assignee: Robert Bosch GmbHInventors: Sam Kavusi, Michaela Laupheimer, Christoph Lang
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Publication number: 20140008244Abstract: Methods of modulating the binding interactions between a (biomolecular) probe or detection agent and an analyte of interest from a biological sample in a biosensor having a multisite array of test sites. In particular, the methods modulate the pH or ionic concentration gradient near the electrodes in such biosensor. The methods of modulating the binding interactions provide a biosensor and analytic methods for more accurately measuring an analyte of interest in a biological sample.Type: ApplicationFiled: July 6, 2012Publication date: January 9, 2014Inventors: Sam KAVUSI, Rajan Gangadharan, Christopher Johnson, Aldrich N. K. Lau, Piyush Verma
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Publication number: 20130293306Abstract: A method and circuit for attenuating positive feedback in a comparator in one embodiment includes an amplifier configured to compare a first input signal with a second input signal and to provide an output based upon the comparison, a non-linear function with a first input operably connected to an output of the amplifier, and a feedback loop operably connected to the output of the non-linear function and to a second input of the non-linear function, the feedback loop including a feedback limiting circuit configured to attenuate a feedback signal to the second input of the non-linear function.Type: ApplicationFiled: July 2, 2013Publication date: November 7, 2013Inventors: Robert Wolf, Christoph Lang, Xinyu Xing, Sam Kavusi
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Patent number: 8476935Abstract: A method and circuit for attenuating positive feedback in a comparator in one embodiment includes an amplifier configured to compare a first input signal with a second input signal and to provide an output based upon the comparison, a non-linear function with a first input operably connected to an output of the amplifier, and a feedback loop operably connected to the output of the non-linear function and to a second input of the non-linear function, the feedback loop including a feedback limiting circuit configured to attenuate a feedback signal to the second input of the non-linear function.Type: GrantFiled: July 2, 2009Date of Patent: July 2, 2013Assignee: Robert Bosch GmbHInventors: Robert Wolf, Christoph Lang, Xinyu Xing, Sam Kavusi
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Publication number: 20120197534Abstract: A biomarker monitoring method and system in one embodiment includes a communications network, a portable wellness device configured to form a communication link with the communications network, the portable wellness device including a detector configured to detect at least one biomarker in a biologic sample, a first memory, a plurality of program instructions stored in the first memory, and a processing circuit operably connected to the first memory and configured to execute the program instructions to generate wellness data based upon detection of the at least one biomarker in the biologic sample, and a remote user interface operably connected to the communications network and configured to render the wellness data.Type: ApplicationFiled: January 31, 2011Publication date: August 2, 2012Applicant: ROBERT BOSCH GMBHInventors: Sam Kavusi, Christoph Lang
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Publication number: 20120115236Abstract: A system and method of indirectly modifying an environmental condition at a test site in one embodiment includes providing a test site on a substrate, providing a hydrogel composition loaded with a chemical factor at the test site, providing an actuator configured to activate the hydrogel composition to release a chemical factor at the test site, controlling the actuator to activate the hydrogel composition to release a chemical factor at the test site, and modifying the local chemical environment at the test site with the chemical factor.Type: ApplicationFiled: January 12, 2012Publication date: May 10, 2012Applicant: ROBERT BOSCH GMBHInventors: Michael Chen, Vincent Chen, Sam Kavusi, Christoph Lang
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Publication number: 20120079897Abstract: A system and method of providing a confidence test in one embodiment includes determining a first quality metric based upon a first and a second test environment wherein the second test environment is different from the first test environment, exposing a sample to a plurality of test sites, establishing the first test environment at a first of the plurality of test sites, establishing the second test environment at a second test site, obtaining a first detection signal associated with the first of the plurality of test sites exposed to the sample and at the first test environment, obtaining a second detection signal associated with the second of the plurality of test sites exposed to the sample and at the second test environment, determining a second quality metric based upon the first detection signal and the second detection signal, and comparing the second quality metric with the first quality metric.Type: ApplicationFiled: September 30, 2010Publication date: April 5, 2012Applicant: ROBERT BOSCH GMBHInventors: Sam Kavusi, Christoph Lang
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Patent number: 8114684Abstract: A complementary metal oxide semiconductor (CMOS) sensor system in one embodiment includes a doped substrate, a doped central island extending downwardly within the doped substrate from an upper surface of the doped substrate, and a first doped outer island extending downwardly within the doped substrate from the upper surface of the doped substrate, the first outer island electrically isolated from the central island within an upper portion of the substrate, and electrically coupled to the central island within a lower portion of the substrate.Type: GrantFiled: March 2, 2009Date of Patent: February 14, 2012Assignee: Robert Bosch GmbHInventors: Thomas Rocznik, Christoph Lang, Sam Kavusi
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Patent number: 8093891Abstract: A complimentary metal oxide semiconductor (CMOS) sensor system in one embodiment includes a doped well extending along a first axis of a doped substrate, a first electrical contact positioned within the doped well, a second electrical contact positioned within the doped well and spaced apart from the first electrical contact along the first axis, a third electrical contact positioned within the doped well and located between the first electrical contact and the second electrical contact along the first axis, and a fourth electrical contact electrically coupled to the doped well at a location of the doped well below the third electrical contact.Type: GrantFiled: March 2, 2009Date of Patent: January 10, 2012Assignee: Robert Bosch GmbHInventors: Thomas Rocznik, Christoph Lang, Sam Kavusi
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Publication number: 20110278258Abstract: A system and method of indirectly modifying an environmental condition at a test site in one embodiment includes providing a test site on a substrate, providing a first activatable stimulant at the test site, providing an actuator configured to activate the first activatable stimulant at the test site, controlling the actuator to activate the first activatable stimulant, and modifying the local chemical environment at the test site with the first activated stimulant.Type: ApplicationFiled: May 13, 2010Publication date: November 17, 2011Applicant: ROBERT BOSCH GMBHInventors: Sam Kavusi, Yi Wei Chen, Michael Chen, Christoph Lang
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Publication number: 20110199078Abstract: A magnetic field measuring system is disclosed. The magnetic field measuring system includes a substrate, a conductive well formed in the substrate, the well having a first side with a first length, a first contact electrically coupled to the conductive well at a first location of the first side, a second contact electrically coupled to the conductive well at a second location of the first side, wherein the distance between the first location and the second location is less than the first length, a stimulus circuit coupled to the first contact and the second contact, and a sensor for identifying a property indicative of the length of a current path from the first location to the second location through the conductive well.Type: ApplicationFiled: February 12, 2010Publication date: August 18, 2011Applicant: ROBERT BOSCH GMBHInventors: Chinwuba Ezekwe, Thomas Rocznik, Christoph Lang, Sam Kavusi, Martin Krämer
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Publication number: 20110195853Abstract: A system and method of quantitating the concentration of a molecule of interest in one embodiment includes establishing a plurality of test environments at a plurality of test sites, each of the plurality of test environments associated with one of a plurality of response curves, each of the plurality of response curves different from the other of the plurality of response curves, storing a combined response curve resulting from a summation of the plurality of response curves, exposing the plurality of test sites to a sample having a concentration of a molecule of interest, obtaining a plurality of quantitation signals, each of the plurality of quantitation signals associated with one of the plurality of test sites, associating a summation of the plurality of quantitation signals with the stored combined response curve, and generating a signal related to the concentration of the molecule of interest based upon the association.Type: ApplicationFiled: February 8, 2010Publication date: August 11, 2011Applicant: ROBERT BOSCH GMBHInventors: Sam Kavusi, Michaela Laupheimer, Christoph Lang
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Publication number: 20110177962Abstract: A method of determining a number of a solution constituent includes introducing a first number of solution constituents to a first test location, establishing a first binding environment for the introduced first number of solution constituents, creating a first residual number of solution constituents by binding a first plurality of solution constituents, establishing a second binding environment for the first residual number of solution constituents, creating a second residual number of solution constituents by binding a second plurality of solution constituents from the first residual number of solution constituents, obtaining a first signal associated with the bound first plurality of solution constituents, obtaining a second signal associated with the bound second plurality of solution constituents, and determining a second number of a constituent of interest based upon the obtained first signal and the obtained second signal.Type: ApplicationFiled: January 15, 2010Publication date: July 21, 2011Applicants: ROBERT BOSCH GMBH, OFFICE OF TECHNOLOGY LICENSINGInventors: Sam Kavusi, Daniel Roser, Christoph Lang, AmirAli Haj Hossein Talasaz
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Patent number: 7936291Abstract: A method compensates for errors in an output signal of a comparator based/zero crossing based circuit. The method includes generating with a comparator based/zero crossing based switched capacitor circuit a first output signal with an input signal, generating with the comparator based/zero crossing based switched capacitor circuit a second output signal with the input signal of an opposite polarity, and subtracting the second output signal from the first output signal to generate a final output signal for the comparator based/zero crossing based switched capacitor circuit.Type: GrantFiled: October 10, 2008Date of Patent: May 3, 2011Assignee: Robert Bosch GmbHInventors: Robert Wolf, Christoph Lang, Xinyu Xing, Sam Kavusi, Chinwuba Ezekwe
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Publication number: 20110091870Abstract: A method of detecting a biomarker in one embodiment includes identifying a quantity of biomolecule types in a sample, exposing the sample to a plurality of test sites, wherein the number of test sites in the plurality of test sites is equal to or greater than the identified quantity of biomolecule types, establishing, for each of the plurality of test sites, a respective test environment, wherein the test environment for each of the plurality of test sites is different from the test environment for each of the other of the plurality of test sites, obtaining a detection signal associated with each of the plurality of test sites, and determining the concentration of one of the biomolecule types based upon the obtained detection signals.Type: ApplicationFiled: October 15, 2009Publication date: April 21, 2011Applicants: Robert Bosch GmbH, Office of Technology LicensingInventors: Christoph Lang, Sam Kavusi, Daniel Roser, AmirAli Haj Hossein Talasaz
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Publication number: 20110001515Abstract: A method and circuit for attenuating positive feedback in a comparator in one embodiment includes an amplifier configured to compare a first input signal with a second input signal and to provide an output based upon the comparison, a non-linear function with a first input operably connected to an output of the amplifier, and a feedback loop operably connected to the output of the non-linear function and to a second input of the non-linear function, the feedback loop including a feedback limiting circuit configured to attenuate a feedback signal to the second input of the non-linear function.Type: ApplicationFiled: July 2, 2009Publication date: January 6, 2011Applicant: Robert Bosch GmbHInventors: Robert Wolf, Christoph Lang, Xinyu Xing, Sam Kavusi
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Publication number: 20100219810Abstract: A complimentary metal oxide semiconductor (CMOS) sensor system in one embodiment includes a doped substrate, a doped central island extending downwardly within the doped substrate from an upper surface of the doped substrate, and a first doped outer island extending downwardly within the doped substrate from the upper surface of the doped substrate, the first outer island electrically isolated from the central island within an upper portion of the substrate, and electrically coupled to the central island within a lower portion of the substrate.Type: ApplicationFiled: March 2, 2009Publication date: September 2, 2010Applicant: ROBERT BOSCH GMBHInventors: Thomas Rocznik, Christoph Lang, Sam Kavusi
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Publication number: 20100219821Abstract: A complimentary metal oxide semiconductor (CMOS) sensor system in one embodiment includes a doped well extending along a first axis of a doped substrate, a first electrical contact positioned within the doped well, a second electrical contact positioned within the doped well and spaced apart from the first electrical contact along the first axis, a third electrical contact positioned within the doped well and located between the first electrical contact and the second electrical contact along the first axis, and a fourth electrical contact electrically coupled to the doped well at a location of the doped well below the third electrical contact.Type: ApplicationFiled: March 2, 2009Publication date: September 2, 2010Applicant: ROBERT BOSCH GMBHInventors: Thomas Rocznik, Christoph Lang, Sam Kavusi
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Publication number: 20100145657Abstract: A method and system for providing increased accuracy in a CMOS sensor system in one embodiment includes a plurality of sensor elements having a first terminal and a second terminal on a complementary metal oxide semiconductor substrate, a first plurality of switches configured to selectively connect the first terminal to a power source and to selectively connect the first terminal to a readout circuit, and a second plurality of switches configured to selectively connect the second terminal to the power source and to selectively connect the second terminal to the readout circuit.Type: ApplicationFiled: December 8, 2008Publication date: June 10, 2010Applicant: Robert Bosch GmbHInventors: Sam Kavusi, Christoph Lang, Thomas Rocznik, Chinwuba Ezekwe