Patents by Inventor José Correa
José Correa 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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Patent number: 11901952Abstract: A coherent optical receiver includes equalizer circuitry having a plurality of taps, the equalizer circuitry being configured to receive an input signal and compensate for polarization mode dispersion affecting the input signal to generate a compensated input signal. The coherent optical receiver further includes error evaluation circuitry configured to calculate a determinant of a frequency-domain (FD) coefficient-based matrix using a plurality of tap signals from among the plurality of taps, adjust an error of convergence of the compensated input signal to generate an adjusted input signal, and iteratively adjust the determinant of the FD coefficient-based matrix based on the adjusted input signal to minimize the error of convergence.Type: GrantFiled: August 11, 2022Date of Patent: February 13, 2024Assignee: Marvell Asia Pte Ltd.Inventors: Mario R. Hueda, José Correa, Oscar E. Agazzi
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Patent number: 11590571Abstract: The invention relates to a method for producing a sintered component comprising the steps: providing a metallic powder; filling the powder into a powder press; pressing the powder to form a green compact; removing the green compact from the powder press; sintering the green compact into a sintered component with pores; optional redensification of the sintered component; hardening of the sintered component, wherein the pores of the sintered component, prior to hardening at least in that region of the surface of the sintered component which is subjected to a hardening, are at least partially filled with a filling agent.Type: GrantFiled: October 1, 2020Date of Patent: February 28, 2023Assignee: Miba Sinter Austria GmbHInventors: Jose Correa Neto, Robert Hellein, Daniel Napoleao Rodrigues
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Publication number: 20220393772Abstract: A coherent optical receiver includes equalizer circuitry having a plurality of taps, the equalizer circuitry being configured to receive an input signal and compensate for polarization mode dispersion affecting the input signal to generate a compensated input signal. The coherent optical receiver further includes error evaluation circuitry configured to calculate a determinant of a frequency-domain (FD) coefficient-based matrix using a plurality of tap signals from among the plurality of taps, adjust an error of convergence of the compensated input signal to generate an adjusted input signal, and iteratively adjust the determinant of the FD coefficient-based matrix based on the adjusted input signal to minimize the error of convergence.Type: ApplicationFiled: August 11, 2022Publication date: December 8, 2022Inventors: Mario R. HUEDA, José CORREA, Oscar E. AGAZZI
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Patent number: 11424834Abstract: A method and structure for tap centering in a coherent optical receiver device. The center of gravity (CG) of the filter coefficients can be used to evaluate a proper convergence of a time-domain adaptive equalizer. However, the computation of CG in a dual-polarization optical coherent receiver is difficult when a frequency domain (FD) adaptive equalizer is adopted. In this case, the implementation of several inverse fast-Fourier transform (IFFT) stages is required to back time domain impulse response. Here, examples of the present invention estimate CG directly from the FD equalizer taps and compensate for an error of convergence based off of the estimated CG. This estimation method and associated device architecture is able to achieve an excellent tradeoff between accuracy and complexity.Type: GrantFiled: February 3, 2021Date of Patent: August 23, 2022Assignee: Marvell Asia Pte Ltd.Inventors: Mario R. Hueda, José Correa, Oscar E. Agazzi
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Publication number: 20210159986Abstract: A method and structure for tap centering in a coherent optical receiver device. The center of gravity (CG) of the filter coefficients can be used to evaluate a proper convergence of a time-domain adaptive equalizer. However, the computation of CG in a dual-polarization optical coherent receiver is difficult when a frequency domain (FD) adaptive equalizer is adopted. In this case, the implementation of several inverse fast-Fourier transform (IFFT) stages is required to back time domain impulse response. Here, examples of the present invention estimate CG directly from the FD equalizer taps and compensate for an error of convergence based off of the estimated CG. This estimation method and associated device architecture is able to achieve an excellent tradeoff between accuracy and complexity.Type: ApplicationFiled: February 3, 2021Publication date: May 27, 2021Inventors: Mario R. HUEDA, José CORREA, Oscar E. AGAZZI
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Publication number: 20210121958Abstract: The invention relates to a method for producing a sintered component comprising the steps: providing a metallic powder; filling the powder into a powder press; pressing the powder to form a green compact; removing the green compact from the powder press; sintering the green compact into a sintered component with pores; optional redensification of the sintered component; hardening of the sintered component, wherein the pores of the sintered component, prior to hardening at least in that region of the surface of the sintered component which is subjected to a hardening, are at least partially filled with a filling agent.Type: ApplicationFiled: October 1, 2020Publication date: April 29, 2021Applicant: Miba Sinter Austria GmbHInventors: Jose Correa NETO, Robert HELLEIN, Daniel Napoleao RODRIGUES
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Patent number: 10944485Abstract: A method and structure for tap centering in a coherent optical receiver device. The center of gravity (CG) of the filter coefficients can be used to evaluate a proper convergence of a time-domain adaptive equalizer. However, the computation of CG in a dual-polarization optical coherent receiver is difficult when a frequency domain (FD) adaptive equalizer is adopted. In this case, the implementation of several inverse fast-Fourier transform (IFFT) stages is required to back time domain impulse response. Here, examples of the present invention estimate CG directly from the FD equalizer taps and compensate for an error of convergence based off of the estimated CG. This estimation method and associated device architecture is able to achieve an excellent tradeoff between accuracy and complexity.Type: GrantFiled: October 30, 2019Date of Patent: March 9, 2021Assignee: INPHI CORPORATIONInventors: Mario R. Hueda, José Correa, Oscar E. Agazzi
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Patent number: 10792733Abstract: The invention relates to a swashplate (5) for a swashplate compressor (1) comprising a main swashplate body (8), which is made from a sintering material, and to a method for producing the swashplate (5).Type: GrantFiled: November 29, 2017Date of Patent: October 6, 2020Assignee: Miba Sinter Austria GmbHInventors: Alexander Mueller, Jose Correa Neto
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Patent number: 10746221Abstract: A method produces a connecting rod from a sintered material, which rod has at least one bore having a center axis, and has a first connecting rod eye in a connecting rod head, and a second connecting rod eye in a connecting rod foot, wherein the connecting rod head is connected with the connecting rod foot with a connecting rod shaft, wherein the bore is configured in the connecting rod shaft, wherein furthermore, the connecting rod is produced from a metallic powder, in accordance with a sintering process, for which purpose the powder is pressed into the corresponding mold to form a green compact, the bore is introduced into the green compact, and the green compact is afterward sintered. The bore is introduced into the green compact as a first and second partial bore, proceeding from the connecting rod foot and from the connecting rod head.Type: GrantFiled: January 24, 2019Date of Patent: August 18, 2020Assignee: Miba Sinter Austria GmbHInventors: Jose Correa Neto, Daniel Augusto Perugini
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Publication number: 20200067602Abstract: A method and structure for tap centering in a coherent optical receiver device. The center of gravity (CG) of the filter coefficients can be used to evaluate a proper convergence of a time-domain adaptive equalizer. However, the computation of CG in a dual-polarization optical coherent receiver is difficult when a frequency domain (FD) adaptive equalizer is adopted. In this case, the implementation of several inverse fast-Fourier transform (IFFT) stages is required to back time domain impulse response. Here, examples of the present invention estimate CG directly from the FD equalizer taps and compensate for an error of convergence based off of the estimated CG. This estimation method and associated device architecture is able to achieve an excellent tradeoff between accuracy and complexity.Type: ApplicationFiled: October 30, 2019Publication date: February 27, 2020Inventors: Mario R. HUEDA, José CORREA, Oscar E. AGAZZI
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Publication number: 20200047289Abstract: The invention relates to a method for producing a connection between a first metallic component (2) and a second metallic component (3), wherein at least one of the two metallic components (2, 3) is powder-metallurgically manufactured from a sintering material and the connection is produced by means of soldering in a connection area (4) formed between the two metallic components (2, 3). The surface (9), which forms a part of the connection area (4), of the metallic component (2 or 3) manufactured from the sintering material is compacted prior to the soldering.Type: ApplicationFiled: June 26, 2019Publication date: February 13, 2020Applicant: Miba Sinter Austria GmbHInventors: Daniel Augusto PERUGINI, Jose Correa NETO, Murilo Alves PADILHA
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Patent number: 10498462Abstract: A method and structure for tap centering in a coherent optical receiver device. The center of gravity (CG) of the filter coefficients can be used to evaluate a proper convergence of a time-domain adaptive equalizer. However, the computation of CG in a dual-polarization optical coherent receiver is difficult when a frequency domain (FD) adaptive equalizer is adopted. In this case, the implementation of several inverse fast-Fourier transform (IFFT) stages is required to back time domain impulse response. Here, examples of the present invention estimate CG directly from the FD equalizer taps and compensate for an error of convergence based off of the estimated CG. This estimation method and associated device architecture is able to achieve an excellent tradeoff between accuracy and complexity.Type: GrantFiled: October 5, 2018Date of Patent: December 3, 2019Assignee: INPHI CORPORATIONInventors: Mario R. Hueda, José Correa, Oscar E. Agazzi
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Publication number: 20190358845Abstract: According to a method for production of a fracture-split connecting rod, a connecting rod having one large and one small connecting-rod eye is introduced into a holding jig and therein the connecting rod is fracture-split in the region of the large connecting-rod eye, so that the connecting rod is subdivided into a rod part and a cap part, and then the rod part and the cap part are removed from the holding jig once again, wherein the rod part and the cap part are clamped together with a clamping element, especially before they are removed as a whole from the holding jig.Type: ApplicationFiled: April 26, 2019Publication date: November 28, 2019Applicant: Miba Sinter Austria GmbHInventors: Jose Correa NETO, Daniel Augusto PERUGINI, Reginaldo INVERNIZZI
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Publication number: 20190249710Abstract: A method produces a connecting rod from a sintered material, which rod has at least one bore having a center axis, and has a first connecting rod eye in a connecting rod head, and a second connecting rod eye in a connecting rod foot, wherein the connecting rod head is connected with the connecting rod foot with a connecting rod shaft, wherein the bore is configured in the connecting rod shaft, wherein furthermore, the connecting rod is produced from a metallic powder, in accordance with a sintering process, for which purpose the powder is pressed into the corresponding mold to form a green compact, the bore is introduced into the green compact, and the green compact is afterward sintered. The bore is introduced into the green compact as a first and second partial bore, proceeding from the connecting rod foot and from the connecting rod head.Type: ApplicationFiled: January 24, 2019Publication date: August 15, 2019Applicant: Miba Sinter Austria GmbHInventors: Jose Correa NETO, Daniel Augusto PERUGINI
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Patent number: 10258958Abstract: The present invention describes a photochemical hydrogenation process for heavy fractions of hydrocarbon streams where the aromatic and polyaromatic compounds present in that fraction selectively react in the presence of an alkoxide, when subjected to electromagnetic irradiation.Type: GrantFiled: November 9, 2016Date of Patent: April 16, 2019Assignees: PETROLEO BRASILEIRO S.A.—PETROBRAS, UNIVERSIDADE FEDERAL DO RIO DE JANEIROInventors: Rodrigo Jose Correa, Felipe Pereira Fleming
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Publication number: 20190052368Abstract: A method and structure for tap centering in a coherent optical receiver device. The center of gravity (CG) of the filter coefficients can be used to evaluate a proper convergence of a time-domain adaptive equalizer. However, the computation of CG in a dual-polarization optical coherent receiver is difficult when a frequency domain (FD) adaptive equalizer is adopted. In this case, the implementation of several inverse fast-Fourier transform (IFFT) stages is required to back time domain impulse response. Here, examples of the present invention estimate CG directly from the FD equalizer taps and compensate for an error of convergence based off of the estimated CG. This estimation method and associated device architecture is able to achieve an excellent tradeoff between accuracy and complexity.Type: ApplicationFiled: October 5, 2018Publication date: February 14, 2019Inventors: Mario R. HUEDA, José CORREA, Oscar E. AGAZZI
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Patent number: 10128959Abstract: A method and structure for tap centering in a coherent optical receiver device. The center of gravity (CG) of the filter coefficients can be used to evaluate a proper convergence of a time-domain adaptive equalizer. However, the computation of CG in a dual-polarization optical coherent receiver is difficult when a frequency domain (FD) adaptive equalizer is adopted. In this case, the implementation of several inverse fast-Fourier transform (IFFT) stages is required to back time domain impulse response. Here, examples of the present invention estimate CG directly from the FD equalizer taps and compensate for an error of convergence based off of the estimated CG. This estimation method and associated device architecture is able to achieve an excellent tradeoff between accuracy and complexity.Type: GrantFiled: October 24, 2017Date of Patent: November 13, 2018Assignee: INPHI CORPORATIONInventors: Mario R. Hueda, José Correa, Oscar E. Agazzi
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Publication number: 20180154449Abstract: The invention relates to a swashplate (5) for a swashplate compressor (1) comprising a main swashplate body (8), which is made from a sintering material, and to a method for producing the swashplate (5).Type: ApplicationFiled: November 29, 2017Publication date: June 7, 2018Applicant: Miba Sinter Austria GmbHInventors: Alexander MUELLER, Jose Correa NETO
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Publication number: 20170128907Abstract: The present invention describes a photochemical hydrogenation process for heavy fractions of hydrocarbon streams where the aromatic and polyaromatic compounds present in that fraction selectively react in the presence of an alkoxide, when subjected to electromagnetic irradiation.Type: ApplicationFiled: November 9, 2016Publication date: May 11, 2017Applicants: PETROLEO BRASILEIRO S.A. - PETROBRAS, UNIVERSIDADE FEDERAL DO RIO DE JANEIRO - RJInventors: Rodrigo Jose CORREA, Felipe Pereira FLEMING
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Publication number: 20150245425Abstract: Thermo heater comprising: a tank (1) made of glass, fitted with a cover (7) and a number of magnetrons (3) supported by a belt or a support framework (2) surrounding the tank (1), which offer the magnetrons continued support and which may be arranged inside the tank (1). Each one of the magnetrons (3) is housed on a primary exchanger (5) and this, in turn, on the main exchanger (6). A solenoid (8) is arranged on the cover, as well as a support for a rod thermostat and the water inlets and outlets. A mixing valve (20) is arranged under the cover, connected by a regulator (17) with a cover and operated by means of a piston (15) connected to the solenoid. The mixing valve is a double filter valve. Thanks to the characteristics of the materials used, the following is achieved: almost instant heating, a reduction of energy consumption and effective protection against the proliferation of colonies such as legionella.Type: ApplicationFiled: October 3, 2012Publication date: August 27, 2015Inventor: Diego José Correa Hidalgo