Patents by Inventor Eric J. Day

Eric J. Day 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).

  • Audio output device with hardware volume control
    Patent number: 12008287
    Abstract: A method performed by an audio source device that is communicatively coupled with an audio output device, the method includes obtaining an audio signal; receiving a volume adjustment; applying the volume adjustment to the audio signal; applying dynamic range compression on the volume adjusted audio signal; and applying an inverse volume adjustment to the compressed audio signal, where the inverse volume adjusted audio signal is to be transmitted to the audio output device.
    Type: Grant
    Filed: June 22, 2021
    Date of Patent: June 11, 2024
    Assignee: Apple Inc.
    Inventors: Hilary K. Mogul, Eric J. Day, Hannes Breitschaedel, Juha O. Merimaa
  • AUDIO OUTPUT DEVICE WITH HARDWARE VOLUME CONTROL
    Publication number: 20220405043
    Abstract: A method performed by an audio source device that is communicatively coupled with an audio output device, the method includes obtaining an audio signal; receiving a volume adjustment; applying the volume adjustment to the audio signal; applying dynamic range compression on the volume adjusted audio signal; and applying an inverse volume adjustment to the compressed audio signal, where the inverse volume adjusted audio signal is to be transmitted to the audio output device.
    Type: Application
    Filed: June 22, 2021
    Publication date: December 22, 2022
    Inventors: Hilary K. Mogul, Eric J. Day, Hannes Breitschaedel, Juha O. Merimaa