Patents by Inventor YUAN-MIN CHENG

YUAN-MIN CHENG 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).

  • Electronic device
    Patent number: 10491989
    Abstract: An electronic device includes a body and a sound cavity assembly. The sound cavity assembly is coupled to the body and forms a sound cavity cooperatively with the body. The sound cavity includes a speaker and a cover. The cover is coupled to the body and at least partially protruding from the body to adjust a volume of the sound cavity.
    Type: Grant
    Filed: June 28, 2017
    Date of Patent: November 26, 2019
    Assignee: Chiun Mai Communication Systems, Inc.
    Inventor: Yuan-Min Cheng
  • ELECTRONIC DEVICE
    Publication number: 20170374451
    Abstract: An electronic device includes a body and a sound cavity assembly. The sound cavity assembly is coupled to the body and forms a sound cavity cooperatively with the body. The sound cavity includes a speaker and a cover. The cover is coupled to the body and at least partially protruding from the body to adjust a volume of the sound cavity.
    Type: Application
    Filed: June 28, 2017
    Publication date: December 28, 2017
    Inventor: YUAN-MIN CHENG