Patents by Inventor Joshua Schaefer

Joshua Schaefer 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).

  • ACOUSTIC MEASUREMENT SURROGATE FOR DISC DRIVE
    Publication number: 20190051323
    Abstract: An acoustic measurement device for a disc drive, the measurement device having a form factor the same as the disc drive's form factor. The device has at least one microphone on an exterior surface of its housing and appropriate circuitry within the housing connecting the at least one microphone to an external device, such as a digital analog converter. As an example, an acoustic measurement device that is a surrogate for a 3½ inch disc drive can have 12 microphones.
    Type: Application
    Filed: August 10, 2017
    Publication date: February 14, 2019
    Inventors: Ted Jonathan Wiegandt, Joshua Schaefer, James D. Conrad