Patents by Inventor Chao-Ren Cheng

Chao-Ren 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).

  • Switch control system and method that distinguishes between a plurality of real and emulated input devices
    Patent number: 7254653
    Abstract: A switch control system has a switch device for selecting a real input device or an emulation input device, an instruction detecting device electrically connected to a computer system and the switch device for detecting signals transmitted to the switch device, and a control device electrically connected to the switch device and the instruction detecting device for receiving a detecting signal from the instruction detecting device and for outputting a control signal to trigger the switch device and to control the selection of the switch device.
    Type: Grant
    Filed: August 17, 2004
    Date of Patent: August 7, 2007
    Assignee: ICP Electronics Inc.
    Inventors: Chih-Ming Tsai, Chao-Ren Cheng
  • A METHOD FOR OPERATING A COMPUTER SYSTEM
    Publication number: 20060218255
    Abstract: A method for operating a computer system is described. A remote device is initialized. The remote device sends data to a host computer, and a local device transmits an output signal. Once the output signal is detected and the remote device has stopped communicating with the host computer for a predetermined period of time, the local device is initialized.
    Type: Application
    Filed: October 7, 2005
    Publication date: September 28, 2006
    Applicant: WELLSYN TECHNOLOGY, INC.
    Inventors: Hung-I Chan, Chao-Ren Cheng
  • SWITCH CONTROL SYSTEM AND METHOD FOR A PLURALITY OF INPUT DEVICES
    Publication number: 20050144329
    Abstract: A switch control system has a switch device for selecting a real input device or an emulation input device, an instruction detecting device electrically connected to a computer system and the switch device for detecting signals transmitted to the switch device, and a control device electrically connected to the switch device and the instruction detecting device for receiving a detecting signal from the instruction detecting device and for outputting a control signal to trigger the switch device and to control the selection of the switch device.
    Type: Application
    Filed: August 17, 2004
    Publication date: June 30, 2005
    Inventors: Chih-Ming TSAI, Chao-Ren CHENG