Patents by Inventor Michael B. Nussbaum
Michael B. Nussbaum 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: 11870345Abstract: A power converter circuit included in a computer system may include multiple devices and a switch node coupled to a regulated power supply node via an inductor. During a first time period, the power converter charges a capacitor, and the couples the capacitor to the switch node during a second time period. During a third time period the power converter couples the switch node to an input power supply node. To maintain constant charge delivered to the load during each time the switch node is coupled to the input power supply node, the duration of the third time period is adjusted based on a voltage level of the input power supply node, a voltage level of the regulated power supply node, a value of the inductor, and the durations of first and second time periods.Type: GrantFiled: September 22, 2021Date of Patent: January 9, 2024Assignee: Apple Inc.Inventors: Chongli Cai, Dingkun Du, Michael B. Nussbaum
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Publication number: 20230379637Abstract: An in-ear electronic device comprising: an enclosure having an enclosure wall that defines an interior chamber surrounding a transducer and an opening from the interior chamber to an ambient environment surrounding the enclosure; and an acoustic valve comprising a driven member coupled to a driving member having a lever and a shape memory alloy operable to cause the driven member to open and close the opening upon application of a current.Type: ApplicationFiled: April 25, 2023Publication date: November 23, 2023Inventors: Richard J. Topliss, Thomas M. Gregory, Scott C. Grinker, Christopher J. Walton, Julia C. Canning, Michael B. Nussbaum
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Publication number: 20230096741Abstract: A power converter circuit included in a computer system may include multiple devices and a switch node coupled to a regulated power supply node via an inductor. During a first time period, the power converter charges a capacitor, and the couples the capacitor to the switch node during a second time period. During a third time period the power converter couples the switch node to an input power supply node. To maintain constant charge delivered to the load during each time the switch node is coupled to the input power supply node, the duration of the third time period is adjusted based on a voltage level of the input power supply node, a voltage level of the regulated power supply node, a value of the inductor, and the durations of first and second time periods.Type: ApplicationFiled: September 22, 2021Publication date: March 30, 2023Inventors: Chongli Cai, Dingkun Du, Michael B. Nussbaum
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Publication number: 20220346228Abstract: An item may include fabric having insulating and conductive yarns or other strands of material. The conductive strands may form signal paths. Electrical components can be mounted to the fabric. Each electrical component may have an electrical device such as a semiconductor die that is mounted on an interposer substrate. The interposer may have contacts that are soldered to the conductive strands. A protective cover may encapsulate portions of the electrical component. To create a robust connection between the electrical component and the fabric, the conductive strands may be threaded through recesses in the electrical component. The recesses may be formed in the interposer or may be formed in a protective cover on the interposer. Conductive material in the recess may be used to electrically and/or mechanically connect the conductive strand to a bond pad in the recess. Thermoplastic material may be used to seal the solder joint.Type: ApplicationFiled: July 8, 2022Publication date: October 27, 2022Inventors: Daniel D. Sunshine, David M. Kindlon, Michael B. Nussbaum, Andrew L. Rosenberg, Andrew Sterian, Breton M. Saunders, Christopher A. Schultz, David A. Bolt, Mark J. Beesley, Peter W. Mash, Steven Keating, Chang Liu, Lan Hoang
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Patent number: 11445302Abstract: Electronics devices according to embodiments of the present technology may include a first loudspeaker and a second loudspeaker disposed in a housing. The housing may define a first internal volume between a first end of the housing and a backside of the first loudspeaker. The housing may define a second internal volume between a second end of the housing and a backside of the second loudspeaker. The first loudspeaker and the second loudspeaker may be positioned within the housing so a front side of the first loudspeaker faces a front side of the second loudspeaker. A duct may be defined by the housing, which may access the first internal volume at a first end and may access the second internal volume at a second end. The electronic device may also include a processor configured to deliver signals to the first loudspeaker and the second loudspeaker.Type: GrantFiled: November 2, 2020Date of Patent: September 13, 2022Assignee: Apple Inc.Inventors: Michael B. Nussbaum, Jason C. Della Rosa, Glenn K. Trainer
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Patent number: 11388817Abstract: An item may include fabric having insulating and conductive yarns or other strands of material. The conductive strands may form signal paths. Electrical components can be mounted to the fabric. Each electrical component may have an electrical device such as a semiconductor die that is mounted on an interposer substrate. The interposer may have contacts that are soldered to the conductive strands. A protective cover may encapsulate portions of the electrical component. To create a robust connection between the electrical component and the fabric, the conductive strands may be threaded through recesses in the electrical component. The recesses may be formed in the interposer or may be formed in a protective cover on the interposer. Conductive material in the recess may be used to electrically and/or mechanically connect the conductive strand to a bond pad in the recess. Thermoplastic material may be used to seal the solder joint.Type: GrantFiled: February 25, 2021Date of Patent: July 12, 2022Assignee: Apple Inc.Inventors: Daniel D. Sunshine, David M. Kindlon, Michael B. Nussbaum, Andrew L. Rosenberg, Andrew Sterian, Breton M. Saunders, Christopher A. Schultz, David A. Bolt, Mark J. Beesley, Peter W. Mash, Steven Keating, Chang Liu, Lan Hoang
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Patent number: 11303208Abstract: A voltage regulator circuit included in a computer system may include multiple devices and a switch node coupled to a regulated power supply node via an inductor. The voltage regulator circuit may charge a capacitor using an input power supply signal, and couple the capacitor to the switch node using respective subsets of the multiple devices, which are selected based on one or more control signals. A control circuit may generate the one or more control signals based on a particular switching sequence, which is selected based on a ratio of a voltage level of the regulated power supply node and a voltage level input power supply signal.Type: GrantFiled: March 1, 2019Date of Patent: April 12, 2022Assignee: Apple Inc.Inventors: Dingkun Du, Michael B. Nussbaum, Jitendra K. Agrawal, Floyd L. Dankert, Jay B. Fletcher
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Publication number: 20220103015Abstract: A wireless power transfer system can include a wireless power transmitter (PTx) and a wireless power receiver (PRx). The PTx can include a transmit coil driven by an inverter configured to receive an input DC voltage and provide an output AC voltage as a plurality of bursts. The PRx can include a receiver coil magnetically coupled to the transmit coil such that the bursts induce a corresponding AC voltage and a rectifier configured to receive the AC voltage and output a DC voltage to a load. The PRx can also include burst request pulse generation circuitry configured to operate the rectifier so as to deliver a burst request pulse to the PTx via magnetic coupling between coils. The PTx can further include inverter control circuitry configured to sense the burst request pulse and, in response thereto, trigger the inverter to deliver an AC voltage burst.Type: ApplicationFiled: July 28, 2021Publication date: March 31, 2022Inventors: Michael B. Nussbaum, Katherine I. Pregler, Liang Chen, Todd K. Moyer, Bingyao Sun
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Patent number: 11166106Abstract: A hearable has an audio amplifier circuit coupled to a speaker as a load. The amplifier circuit has current source drive, which attenuates electromagnetically coupled noise of the speaker. In other instances, the amplifier circuit has a first amplifier mode and a second amplifier mode, wherein in the first amplifier mode the amplifier circuit becomes configured to drive the speaker as a voltage source, and in the second amplifier mode the amplifier circuit becomes configured to drive the speaker as a current source. Control logic varies the amplifier circuit between i) the first amplifier mode for larger amplitudes of the audio signal, and ii) the second amplifier mode for smaller amplitudes of the audio signal. Other aspects are also described and claimed.Type: GrantFiled: June 1, 2020Date of Patent: November 2, 2021Assignee: APPLE INC.Inventors: Michael B. Nussbaum, Roderick B. Hogan, Todd K. Moyer
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Patent number: 11102566Abstract: A case for a pair of earbuds including a housing having first and second cavities formed within the housing, the first cavity configured to receive a first earbud in the pair of earbuds and the second cavity configured to receive a second earbud in the pair of earbuds; a lid attached to the housing; a first pair of electrodes positioned within the housing adjacent to the first cavity; a second pair of electrodes positioned within the housing adjacent to the second cavity; and charging circuitry coupled to the first and second pairs of electrodes, the charging circuitry including a high frequency inverter configured to receive a DC power signal and output a high frequency AC signal to each of the first and second pairs of electrodes.Type: GrantFiled: July 15, 2020Date of Patent: August 24, 2021Assignee: APPLE INC.Inventors: Zhigang Dang, Michael B. Nussbaum
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Publication number: 20210185808Abstract: An item may include fabric having insulating and conductive yarns or other strands of material. The conductive strands may form signal paths. Electrical components can be mounted to the fabric. Each electrical component may have an electrical device such as a semiconductor die that is mounted on an interposer substrate. The interposer may have contacts that are soldered to the conductive strands. A protective cover may encapsulate portions of the electrical component. To create a robust connection between the electrical component and the fabric, the conductive strands may be threaded through recesses in the electrical component. The recesses may be formed in the interposer or may be formed in a protective cover on the interposer. Conductive material in the recess may be used to electrically and/or mechanically connect the conductive strand to a bond pad in the recess. Thermoplastic material may be used to seal the solder joint.Type: ApplicationFiled: February 25, 2021Publication date: June 17, 2021Inventors: Daniel D. Sunshine, David M. Kindlon, Michael B. Nussbaum, Andrew L. Rosenberg, Andrew Sterian, Breton M. Saunders, Christopher A. Schultz, David A. Bolt, Mark J. Beesley, Peter W. Mash, Steven Keating, Chang Liu, Lan Hoang
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Patent number: 10959331Abstract: An item may include fabric having insulating and conductive yarns or other strands of material. The conductive strands may form signal paths. Electrical components can be mounted to the fabric. Each electrical component may have an electrical device such as a semiconductor die that is mounted on an interposer substrate. The interposer may have contacts that are soldered to the conductive strands. A protective cover may encapsulate portions of the electrical component. To create a robust connection between the electrical component and the fabric, the conductive strands may be threaded through recesses in the electrical component. The recesses may be formed in the interposer or may be formed in a protective cover on the interposer. Conductive material in the recess may be used to electrically and/or mechanically connect the conductive strand to a bond pad in the recess. Thermoplastic material may be used to seal the solder joint.Type: GrantFiled: June 26, 2020Date of Patent: March 23, 2021Assignee: Apple Inc.Inventors: Daniel D. Sunshine, David M. Kindlon, Michael B. Nussbaum, Andrew L. Rosenberg, Andrew Sterian, Breton M. Saunders, Christopher A. Schultz, David A. Bolt, Mark J. Beesley, Peter W. Mash, Steven Keating, Chang Liu, Lan Hoang
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Publication number: 20210083315Abstract: The disclosed technology relates to a battery utilizing an indicator to orient an unopposed portion of a cathode or anode with respect to a battery can, and a tag to generate an electromagnetic field to mitigate or eliminate an electromagnetic field generated by the unopposed portion of the cathode or anode. The battery includes a wound set of layers including a cathode, an anode, and a separator; a can housing the wound set of layers; a lid disposed atop of the can to enclose the wound set of layers within the can; and a tag coupled to the lid. An unopposed portion of the cathode or anode generates a first electromagnetic field. The tag generates a second electromagnetic field to oppose the first electromagnetic field.Type: ApplicationFiled: September 11, 2020Publication date: March 18, 2021Inventors: Katherine I. PREGLER, Kyle Tse, Samantha K. Young, Jason W. Brinsfield, Mei Zhang, Charles Greenlee, Kevin R. Richardson, Susheel Teja Gogineni, Ethan L. Huwe, Connor R. Duke, Michael B. Nussbaum, Shawn G. Fink, Kirill Kalinichev
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Publication number: 20210051411Abstract: Electronics devices according to embodiments of the present technology may include a first loudspeaker and a second loudspeaker disposed in a housing. The housing may define a first internal volume between a first end of the housing and a backside of the first loudspeaker. The housing may define a second internal volume between a second end of the housing and a backside of the second loudspeaker. The first loudspeaker and the second loudspeaker may be positioned within the housing so a front side of the first loudspeaker faces a front side of the second loudspeaker. A duct may be defined by the housing, which may access the first internal volume at a first end and may access the second internal volume at a second end. The electronic device may also include a processor configured to deliver signals to the first loudspeaker and the second loudspeaker.Type: ApplicationFiled: November 2, 2020Publication date: February 18, 2021Applicant: Apple Inc.Inventors: Michael B. Nussbaum, Jason C. Della Rosa, Glenn K. Trainer
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Patent number: 10911009Abstract: An audio amplifier has an analog current source amplifier and a class D amplifier. The analog current source amplifier is active in a first mode to drive a speaker when an audio signal has smaller amplitude. The class D amplifier is active in a second mode to drive the speaker when the audio signal has larger amplitude. Other aspects are also described and claimed.Type: GrantFiled: November 29, 2018Date of Patent: February 2, 2021Assignee: APPLE INC.Inventors: Roderick B. Hogan, Michael B. Nussbaum, Todd K. Moyer
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Publication number: 20200351580Abstract: A case for a pair of earbuds including a housing having first and second cavities formed within the housing, the first cavity configured to receive a first earbud in the pair of earbuds and the second cavity configured to receive a second earbud in the pair of earbuds; a lid attached to the housing; a first pair of electrodes positioned within the housing adjacent to the first cavity; a second pair of electrodes positioned within the housing adjacent to the second cavity; and charging circuitry coupled to the first and second pairs of electrodes, the charging circuitry including a high frequency inverter configured to receive a DC power signal and output a high frequency AC signal to each of the first and second pairs of electrodes.Type: ApplicationFiled: July 15, 2020Publication date: November 5, 2020Inventors: Zhigang Dang, Michael B. Nussbaum
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Publication number: 20200351593Abstract: A hearable has an audio amplifier circuit coupled to a speaker as a load. The amplifier circuit has current source drive, which attenuates electromagnetically coupled noise of the speaker. In other instances, the amplifier circuit has a first amplifier mode and a second amplifier mode, wherein in the first amplifier mode the amplifier circuit becomes configured to drive the speaker as a voltage source, and in the second amplifier mode the amplifier circuit becomes configured to drive the speaker as a current source. Control logic varies the amplifier circuit between i) the first amplifier mode for larger amplitudes of the audio signal, and ii) the second amplifier mode for smaller amplitudes of the audio signal. Other aspects are also described and claimed.Type: ApplicationFiled: June 1, 2020Publication date: November 5, 2020Inventors: Michael B. Nussbaum, Roderick B. Hogan, Todd K. Moyer
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Patent number: 10827273Abstract: Electronics devices according to embodiments of the present technology may include a first loudspeaker and a second loudspeaker disposed in a housing. The housing may define a first internal volume between a first end of the housing and a backside of the first loudspeaker. The housing may define a second internal volume between a second end of the housing and a backside of the second loudspeaker. The first loudspeaker and the second loudspeaker may be positioned within the housing so a front side of the first loudspeaker faces a front side of the second loudspeaker. A duct may be defined by the housing, which may access the first internal volume at a first end and may access the second internal volume at a second end. The electronic device may also include a processor configured to deliver signals to the first loudspeaker and the second loudspeaker.Type: GrantFiled: November 27, 2019Date of Patent: November 3, 2020Assignee: Apple Inc.Inventors: Michael B. Nussbaum, Jason C. Della Rosa, Glenn K. Trainer
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Publication number: 20200329559Abstract: An item may include fabric having insulating and conductive yarns or other strands of material. The conductive strands may form signal paths. Electrical components can be mounted to the fabric. Each electrical component may have an electrical device such as a semiconductor die that is mounted on an interposer substrate. The interposer may have contacts that are soldered to the conductive strands. A protective cover may encapsulate portions of the electrical component. To create a robust connection between the electrical component and the fabric, the conductive strands may be threaded through recesses in the electrical component. The recesses may be formed in the interposer or may be formed in a protective cover on the interposer. Conductive material in the recess may be used to electrically and/or mechanically connect the conductive strand to a bond pad in the recess. Thermoplastic material may be used to seal the solder joint.Type: ApplicationFiled: June 26, 2020Publication date: October 15, 2020Inventors: Daniel D. Sunshine, David M. Kindlon, Michael B. Nussbaum, Andrew L. Rosenberg, Andrew Sterian, Breton M. Saunders, Christopher A. Schultz, David A. Bolt, Mark J. Beesley, Peter W. Mash, Steven Keating, Chang Liu, Lan Hoang
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Publication number: 20200280256Abstract: A voltage regulator circuit included in a computer system may include multiple devices and a switch node coupled to a regulated power supply node via an inductor. The voltage regulator circuit may charge a capacitor using an input power supply signal, and couple the capacitor to the switch node using respective subsets of the multiple devices, which are selected based on one or more control signals. A control circuit may generate the one or more control signals based on a particular switching sequence, which is selected based on a ratio of a voltage level of the regulated power supply node and a voltage level input power supply signal.Type: ApplicationFiled: March 1, 2019Publication date: September 3, 2020Inventors: Dingkun Du, Michael B. Nussbaum, Jitendra K. Agrawal, Floyd L. Dankert, Jay B. Fletcher