Patents by Inventor Alexander Marra

Alexander Marra 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).

  • Patent number: 11962981
    Abstract: A system is provided herein comprising: a host audio testing device (HATD) adapted to generate one or more uniquely addressed audio test signals and transmit each generated audio test signal, and which is further adapted to receive audio test data from a bi-directional audio transceiver device (soundbar) device under test (DUT) that can be used in two or more remotely located conference rooms to perform teleconferencing between the remotely located conference rooms; and one or more remote audio generating devices (RATD), each of which is adapted to receive a generated uniquely addressed one or more audio test signals and broadcast the same to the soundbar, wherein each of the RATDs can be located at the same or different distances from the soundbar, the same or different heights with respect to the soundbar, and at the same or different angular placements with respect to the soundbar, and wherein, the HATD is further adapted to store and process the received audio test data from the DUT and generate audio tes
    Type: Grant
    Filed: September 15, 2021
    Date of Patent: April 16, 2024
    Assignee: Crestron Electronics, Inc.
    Inventors: Robert Holstrom, Alexander Marra, Mark LaBosco
  • Publication number: 20230366042
    Abstract: The present disclosure relates to biosensors and methods of use thereof.
    Type: Application
    Filed: October 1, 2021
    Publication date: November 16, 2023
    Inventors: Patrick HALLEY, Carlos CASTRO, Christopher LUCAS, Melika SHAHHOSSEINI, Alexander MARRAS
  • Publication number: 20220086579
    Abstract: A system is provided herein comprising: a host audio testing device (HATD) adapted to generate one or more uniquely addressed audio test signals and transmit each generated audio test signal, and which is further adapted to receive audio test data from a bi-directional audio transceiver device (soundbar) device under test (DUT) that can be used in two or more remotely located conference rooms to perform teleconferencing between the remotely located conference rooms; and one or more remote audio generating devices (RATD), each of which is adapted to receive a generated uniquely addressed one or more audio test signals and broadcast the same to the soundbar, wherein each of the RATDs can be located at the same or different distances from the soundbar, the same or different heights with respect to the soundbar, and at the same or different angular placements with respect to the soundbar, and wherein, the HATD is further adapted to store and process the received audio test data from the DUT and generate audio tes
    Type: Application
    Filed: September 15, 2021
    Publication date: March 17, 2022
    Applicant: Crestron Electronics, Inc.
    Inventors: Robert Holstrom, Alexander Marra, Mark LaBosco
  • Patent number: 11158300
    Abstract: Described herein is a speakerphone system (system) comprising: at least one loudspeaker, the loudspeaker adapted to generate mechanical vibrations on an enclosure of the system; at least one microphone (mic) adapted to convert an input sound acoustic signal into an input sound electrical signal and adapted to convert the mechanical vibrations into a mechanical vibrations electrical signal, and to output both of the input sound electrical signal and the mechanical vibrations electrical signal as a mic output signal; at least one mechanical vibration sensor (MVS) adapted to convert the mechanical vibrations to a mechanical vibration error signal to output the mechanical vibration error signal as an MVS output signal; and circuitry adapted to subtract the MVS output signal from the mic output signal and output the resultant signal as a speakerphone output signal.
    Type: Grant
    Filed: September 16, 2019
    Date of Patent: October 26, 2021
    Assignee: Crestron Electronics, Inc.
    Inventors: Alexander Marra, Mark Hrozenchik
  • Patent number: 11006207
    Abstract: A method for substantially eliminating the effect of mechanical vibration on an audio input to a speakerphone system is provided herein, the method comprising: receiving mechanical vibrations and an input sound acoustic signal at a microphone (mic); converting the received mechanical vibrations and input sound acoustic signal into an input sound electrical signal, and outputting the same as a mic output signal; receiving mechanical vibrations at a mechanical vibration sensor (MVS); converting the received mechanical vibrations into a mechanical vibration error signal, and outputting the same as an MVS output signal; and generating a speakerphone system output signal by subtracting the MVS output signal from the mic output signal.
    Type: Grant
    Filed: September 16, 2019
    Date of Patent: May 11, 2021
    Assignee: Crestron Electronics, Inc.
    Inventors: Alexander Marra, Mark Hrozenchik
  • Publication number: 20210082386
    Abstract: Described herein is a speakerphone system (system) comprising: at least one loudspeaker, the loudspeaker adapted to generate mechanical vibrations on an enclosure of the system; at least one microphone (mic) adapted to convert an input sound acoustic signal into an input sound electrical signal and adapted to convert the mechanical vibrations into a mechanical vibrations electrical signal, and to output both of the input sound electrical signal and the mechanical vibrations electrical signal as a mic output signal; at least one mechanical vibration sensor (MVS) adapted to convert the mechanical vibrations to a mechanical vibration error signal to output the mechanical vibration error signal as an MVS output signal; and circuitry adapted to subtract the MVS output signal from the mic output signal and output the resultant signal as a speakerphone output signal.
    Type: Application
    Filed: September 16, 2019
    Publication date: March 18, 2021
    Inventors: Alexander Marra, Mark Hrozenchik
  • Publication number: 20210084404
    Abstract: A method for substantially eliminating the effect of mechanical vibration on an audio input to a speakerphone system is provided herein, the method comprising: receiving mechanical vibrations and an input sound acoustic signal at a microphone (mic); converting the received mechanical vibrations and input sound acoustic signal into an input sound electrical signal, and outputting the same as a mic output signal; receiving mechanical vibrations at a mechanical vibration sensor (MVS); converting the received mechanical vibrations into a mechanical vibration error signal, and outputting the same as an MVS output signal; and generating a speakerphone system output signal by subtracting the MVS output signal from the mic output signal.
    Type: Application
    Filed: September 16, 2019
    Publication date: March 18, 2021
    Applicant: Crestron Electronics, Inc.
    Inventors: Alexander Marra, Mark Hrozenchik
  • Patent number: 10832650
    Abstract: A speakerphone system is provide, comprising: at least one mechanical vibration sensor (MVS) adapted to convert mechanical vibrations in a speakerphone enclosure (enclosure) to a mechanical vibration error signal, and output the same as an MVS output signal; at least one microphone (mic) adapted to convert an input sound acoustic signal into an input sound electrical signal and to output the same as a mic output signal; and circuitry adapted to subtract the MVS output signal from the mic output signal and output the resultant signal as a speakerphone output signal.
    Type: Grant
    Filed: September 16, 2019
    Date of Patent: November 10, 2020
    Assignee: Crestron Electronics, Inc.
    Inventors: Alexander Marra, Mark Hrozenchik
  • Patent number: 10834513
    Abstract: A method for calibrating a speakerphone system under test is provided herein, comprising: connecting a calibration unit to the speakerphone system under test (SSUT) via a communications interface, and wherein the SSUT further comprises a loudspeaker, microphone (mic), and mechanical vibration sensor (MVS); generating a first test signal by the calibration unit and transmitting the same to the SSUT; generating a first set of mechanical vibrations in response to the first test signal in the SSUT; and determining a calibration factor in regard to the first test signal and first set of mechanical vibrations by the calibration unit.
    Type: Grant
    Filed: September 16, 2019
    Date of Patent: November 10, 2020
    Assignee: Crestron Electronics, Inc.
    Inventors: Alexander Marra, Mark Hrozenchik
  • Patent number: 10834512
    Abstract: A speakerphone calibration system (system) is provided herein, comprising: a calibration unit adapted to generate at least one test signal, and further adapted to determine at least one calibration factor in response to at least one test signal, and wherein a first calibration factor characterizes a speakerphone system under test in regard to mechanical vibrations generated in the speakerphone system under test, the mechanical vibrations caused by a first test signal.
    Type: Grant
    Filed: September 16, 2019
    Date of Patent: November 10, 2020
    Assignee: Crestron Electronics, Inc.
    Inventors: Alexander Marra, Mark Hrozenchik
  • Patent number: 10832651
    Abstract: A method for substantially eliminating the effect of mechanical vibration on an audio input to a speakerphone system is provided herein, the method comprising: receiving an input sound acoustic signal at a microphone (mic); converting the received input sound acoustic signal into an input sound electrical signal, and outputting the same as a mic output signal; receiving mechanical vibrations at a mechanical vibration sensor (MVS); converting the received mechanical vibrations into a mechanical vibration error signal, and outputting the same as an MVS output signal; and generating a speakerphone system output signal by subtracting the MVS output signal from the mic output signal.
    Type: Grant
    Filed: September 16, 2019
    Date of Patent: November 10, 2020
    Assignee: Crestron Electronics, Inc.
    Inventors: Alexander Marra, Mark Hrozenchik
  • Patent number: 10686943
    Abstract: Described herein is a retrofit digital speaker system comprising two or more retrofitted speaker enclosures, each of the two or more retrofitted speaker enclosures (enclosures) comprising: at least one speaker; and an analog-and-digital interface adapted to receive digitally encoded audio signals, electrical power, and digital command signals, and wherein the digitally encoded audio signals, electrical power, and digital command signals are transmitted over existing two wire analog audio cables, and further wherein the two or more retrofitted speaker enclosures are wired in a daisy chain fashion, via the existing two wire analog audio cables.
    Type: Grant
    Filed: April 10, 2019
    Date of Patent: June 16, 2020
    Assignee: Crestron Electronics, Inc.
    Inventors: Mark LaBosco, Alexander Marra
  • Patent number: 10491751
    Abstract: Described herein is a retrofit digital speaker system comprising two or more retrofitted speaker enclosures, each of the two or more retrofitted speaker enclosures (enclosures) comprising: at least one speaker; and an analog-and-digital interface adapted to receive digitally encoded audio signals, electrical power, and digital command signals, and wherein the digitally encoded audio signals, electrical power, and digital command signals are transmitted over existing two wire analog audio cables, and further wherein the two or more retrofitted speaker enclosures are wired in a daisy chain fashion, via the existing two wire analog audio cables.
    Type: Grant
    Filed: December 4, 2017
    Date of Patent: November 26, 2019
    Assignee: Crestron Electronics, Inc.
    Inventors: Mark LaBosco, Alexander Marra
  • Publication number: 20190238683
    Abstract: Described herein is a retrofit digital speaker system comprising two or more retrofitted speaker enclosures, each of the two or more retrofitted speaker enclosures (enclosures) comprising: at least one speaker; and an analog-and-digital interface adapted to receive digitally encoded audio signals, electrical power, and digital command signals, and wherein the digitally encoded audio signals, electrical power, and digital command signals are transmitted over existing two wire analog audio cables, and further wherein the two or more retrofitted speaker enclosures are wired in a daisy chain fashion, via the existing two wire analog audio cables.
    Type: Application
    Filed: April 10, 2019
    Publication date: August 1, 2019
    Applicant: Crestron Electronics, Inc.
    Inventors: Mark LaBosco, Alexander Marra
  • Publication number: 20180139330
    Abstract: Described herein is a retrofit digital speaker system comprising two or more retrofitted speaker enclosures, each of the two or more retrofitted speaker enclosures (enclosures) comprising: at least one speaker; and an analog-and-digital interface adapted to receive digitally encoded audio signals, electrical power, and digital command signals, and wherein the digitally encoded audio signals, electrical power, and digital command signals are transmitted over existing two wire analog audio cables, and further wherein the two or more retrofitted speaker enclosures are wired in a daisy chain fashion, via the existing two wire analog audio cables.
    Type: Application
    Filed: December 4, 2017
    Publication date: May 17, 2018
    Inventors: Mark LaBosco, Alexander Marra
  • Patent number: 9883046
    Abstract: Described herein is a retrofit digital speaker system comprising two or more retrofitted speaker enclosures, each of the two or more retrofitted speaker enclosures (enclosures) comprising: at least one speaker; and an analog-and-digital interface adapted to receive digitally encoded audio signals, electrical power, and digital command signals, and wherein the digitally encoded audio signals, electrical power, and digital command signals are transmitted over existing two wire analog audio cables, and further wherein the two or more retrofitted speaker enclosures are wired in a daisy chain fashion, via the existing two wire analog audio cables.
    Type: Grant
    Filed: November 17, 2016
    Date of Patent: January 30, 2018
    Assignee: Crestron Electronics, Inc.
    Inventors: Mark LaBosco, Alexander Marra
  • Patent number: 9549256
    Abstract: An audio/video receiver configured to limit the power delivered to its speakers based on real time calculations. First, power delivered to the speakers is limited to the power rating of the speakers during short durations. Second, a secondary longer time constant Root-Mean-Square (RMS) detector limits sustained power to the speakers for a predetermined fraction of the peak power rating.
    Type: Grant
    Filed: February 5, 2015
    Date of Patent: January 17, 2017
    Assignee: CRESTRON ELECTRONICS, INC.
    Inventors: Mark LaBosco, David Burke, Alexander Marra
  • Publication number: 20160234596
    Abstract: An audio/video receiver configured to limit the power delivered to its speakers based on real time calculations. First, power delivered to the speakers is limited to the power rating of the speakers during short durations. Second, a secondary longer time constant Root-Mean-Square (RMS) detector limits sustained power to the speakers for a predetermined fraction of the peak power rating.
    Type: Application
    Filed: February 5, 2015
    Publication date: August 11, 2016
    Applicant: CRESTRON ELECTRONICS, INC.
    Inventors: Mark LaBosco, David Burke, Alexander Marra
  • Publication number: 20100112033
    Abstract: This invention relates to stents coated with hydrophilic polymers containing S-nitrosothiols, which are able to provide local delivery of both nitric oxide and S-nitrosothiols by diffusion. This device is intended for coronary angioplasty applications with the purpose of inhibiting acute and chronic restenosis and refers to processes of stent coating with hydrophilic polymers containing incorporated S-nitrosothiols. This invention refers to an intracoronary implant device used in medical procedures, and introduces new S nitrosothiol-eluting stents coated with hydrophilic polymer multilayers. The hydrophilic polymers used for coating are polyvinyl alcohol, polyvinylpirrolidone and polyvinyl alcohol/polyvinylpirrolidone, polyvinyl alcohol/polyethylene glycol, polyvinylpirrolidone/polyethylene glycol and polyvinyl alcohol/polyvinylpirrolidone/polyethylene glycol blends.
    Type: Application
    Filed: April 19, 2006
    Publication date: May 6, 2010
    Applicants: Universidade Estadual de Campinas UNICAMP, SCI-TECH Produtos Medicos LTDA
    Inventors: Marcelo Ganzarolli de Oliveira, Alexander Marra Moreira, Amedea Barozzi Seabra, Maíra Martins de Souza Godoy Simões, Spero Penha Morato
  • Publication number: 20080234662
    Abstract: Constructive disposal placed in artifon catheter applied in perforations above the papillae in fistula-papillotomy, where the procedure known as Endoscopic Retrograde Cholangiopancreatography (ERPC) is characterized by the combination of instrumental transpapillary access and the obtaining of contrasting images through pancreatic bile, a result obtained through the use of the artifon catheter device (A) claimed herein, which regards a perforation catheter above the papilla in fistula-papillotomy, to obtain access to biliary passages, making way for an alternative to known surgical techniques, this artifon catheter device (A) presenting a constructive concept composed of a Y connector component (1); a manipulating component of the concentric perforating tube (2); an external concentric tube component (3), within which a concentric perforation tube component (4) is located of which the far end is connected to a needle component (5); radiopaque marks components (6); a manipulating component of the external conce
    Type: Application
    Filed: September 19, 2005
    Publication date: September 25, 2008
    Inventors: Everson Luiz de Almelda Artifon, Alexander Marra Moreira, Melchiades da Cunha Neto