Patents by Inventor Chao-Kun CHEN

Chao-Kun CHEN 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).

  • Control method and circuitry of receiver
    Patent number: 11950016
    Abstract: The present invention provides a control method of a receiver. The control method includes the steps of: when the receiver enters a sleep/standby mode, continually detecting an auxiliary signal from an auxiliary channel to generate a detection result; and if the detection result indicates that the auxiliary signal has a preamble or a specific pattern, generating a wake-up control signal to wake up the receiver before successfully receiving the auxiliary signal having a wake-up command.
    Type: Grant
    Filed: April 15, 2020
    Date of Patent: April 2, 2024
    Assignee: MEDIATEK INC.
    Inventors: Chun-Chia Chen, Chih-Hung Pan, Chia-Chi Liu, Shun-Fang Liu, Meng-Kun Li, Chao-An Chen
  • Surgical retractor having a lighting unit
    Patent number: 8636658
    Abstract: A surgical retractor includes an outer ring unit, a tubular retraction membrane made of a resilient material and including an inner surface defining a passageway, and a lighting unit. The tubular retraction membrane has an outer tubular end connected to the outer ring unit and rollable about the outer ring unit. The lighting unit is connected to an inner tubular end of the retraction membrane and includes a light-emitting ring, and a heat-dissipation ring in contact with the light-emitting ring.
    Type: Grant
    Filed: July 10, 2012
    Date of Patent: January 28, 2014
    Assignee: Chi Mei Medical Center
    Inventors: Ying-Chieh Su, Chao-Kun Chen, Yao Fong
  • SURGICAL RETRACTOR HAVING A LIGHTING UNIT
    Publication number: 20130018230
    Abstract: A surgical retractor includes an outer ring unit, a tubular retraction membrane made of a resilient material and including an inner surface defining a passageway, and a lighting unit. The tubular retraction membrane has an outer tubular end connected to the outer ring unit and rollable about the outer ring unit. The lighting unit is connected to an inner tubular end of the retraction membrane and includes a light-emitting ring, and a heat-dissipation ring in contact with the light-emitting ring.
    Type: Application
    Filed: July 10, 2012
    Publication date: January 17, 2013
    Applicant: CHI MEI MEDICAL CENTER
    Inventors: Ying-Chieh SU, Chao-Kun CHEN, Yao FONG