Patents by Inventor Ching-Lung Fu

Ching-Lung Fu 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).

  • Patent number: 9851446
    Abstract: A method for controlling a GNSS receiver includes: providing a state switching criterion; obtaining at least one positioning information; determining whether to switch from a first operation state to a second operation state according to the obtained positioning information and the state switching criterion, a power consumption of GNSS receiver operating under the first operation state and the second operation state is different; the obtained positioning information includes at least one of a speed value of GNSS receiver, a satellite distribution value of GNSS receiver, a satellite signal strength value of GNSS receiver, a location identification of GNSS receiver, instant motion information from a motion sensor, or location information from a WLAN device, a Bluetooth device or a UV light sensor.
    Type: Grant
    Filed: March 18, 2015
    Date of Patent: December 26, 2017
    Assignee: MEDIATEK INC.
    Inventors: Chung-Yen Tsai, Kung-Shuan Huang, Ching-Lung Fu, Hung-Jen Chen
  • Publication number: 20150346347
    Abstract: A method for controlling a GNSS receiver includes: providing a state switching criterion; obtaining at least one positioning information; determining whether to switch from a first operation state to a second operation state according to the obtained positioning information and the state switching criterion, a power consumption of GNSS receiver operating under the first operation state and the second operation state is different; the obtained positioning information includes at least one of a speed value of GNSS receiver, a satellite distribution value of GNSS receiver, a satellite signal strength value of GNSS receiver, a location identification of GNSS receiver, instant motion information from a motion sensor, or location information from a WLAN device, a Bluetooth device or a UV light sensor.
    Type: Application
    Filed: March 18, 2015
    Publication date: December 3, 2015
    Inventors: Chung-Yen Tsai, Kung-Shuan Huang, Ching-Lung Fu, Hung-Jen Chen
  • Patent number: 9019158
    Abstract: A method for controlling a global navigation satellite system (GNSS) receiver operated in a first operation state includes: providing a state switching criterion; obtaining a positioning information; determining whether to switch from the first operation state to a second operation state according to the obtained positioning information and the state switching criterion, wherein the power consumption of the GNSS receiver operating under the first operation state and the second operation state is different.
    Type: Grant
    Filed: March 21, 2012
    Date of Patent: April 28, 2015
    Assignee: MediaTek Inc.
    Inventors: Chung-Yen Tsai, Kung-Shuan Huang, Ching-Lung Fu, Hung-Jen Chen
  • Patent number: 8362950
    Abstract: A method and device for predicting satellite trajectory extension data in a mobile apparatus. The device in accordance with the present invention comprises an I/O interface and a microprocessor. The input/output (I/O) interface is used for obtaining at least one satellite navigation message for at least one satellite. The microprocessor is used for determining a satellite trajectory prediction model according to the satellite navigation message, and propagating at least one set of satellite trajectory extension data by using the satellite trajectory prediction model.
    Type: Grant
    Filed: July 21, 2011
    Date of Patent: January 29, 2013
    Assignee: MEDIATEK Inc.
    Inventors: Chin-tang Weng, Yeou-jyh Tsai, Ching-Lung Fu
  • Publication number: 20120274509
    Abstract: A method for controlling a global navigation satellite system (GNSS) receiver operated in a first operation state includes: providing a state switching criterion; obtaining a positioning information; determining whether to switch from the first operation state to a second operation state according to the obtained positioning information and the state switching criterion, wherein the power consumption of the GNSS receiver operating under the first operation state and the second operation state is different.
    Type: Application
    Filed: March 21, 2012
    Publication date: November 1, 2012
    Inventors: Chung-Yen Tsai, Kung-Shuan Huang, Ching-Lung Fu, Hung-Jen Chen
  • Publication number: 20110279316
    Abstract: A method and device for predicting satellite trajectory extension data in a mobile apparatus. The device in accordance with the present invention comprises an I/O interface and a microprocessor. The input/output (I/O) interface is used for obtaining at least one satellite navigation message for at least one satellite. The microprocessor is used for determining a satellite trajectory prediction model according to the satellite navigation message, and propagating at least one set of satellite trajectory extension data by using the satellite trajectory prediction model.
    Type: Application
    Filed: July 21, 2011
    Publication date: November 17, 2011
    Applicant: MEDIATEK INC.
    Inventors: Chin-tang Weng, Yeou-jyh Tsai, Ching-Lung Fu
  • Patent number: 8009093
    Abstract: A method and device for predicting satellite trajectory extension data in a mobile apparatus. The device in accordance with the present invention comprises an I/O interface and a microprocessor. The input/output (I/O) interface is used for obtaining at least one satellite navigation message for at least one satellite. The microprocessor is used for determining a propagating condition according to the satellite navigation message, estimating at least one parameter of a satellite trajectory prediction model according to the propagating condition, and propagating at least one set of satellite trajectory extension data by using the satellite trajectory prediction model.
    Type: Grant
    Filed: July 26, 2010
    Date of Patent: August 30, 2011
    Assignee: MediaTek Inc.
    Inventors: Chin-tang Weng, Yeou-jyh Tsai, Ching-Lung Fu
  • Publication number: 20100289697
    Abstract: A method and device for predicting satellite trajectory extension data in a mobile apparatus. The device in accordance with the present invention comprises an I/O interface and a microprocessor. The input/output (I/O) interface is used for obtaining at least one satellite navigation message for at least one satellite. The microprocessor is used for determining a propagating condition according to the satellite navigation message, estimating at least one parameter of a satellite trajectory prediction model according to the propagating condition, and propagating at least one set of satellite trajectory extension data by using the satellite trajectory prediction model.
    Type: Application
    Filed: July 26, 2010
    Publication date: November 18, 2010
    Applicant: MEDIATEK INC.
    Inventors: Chin-tang Weng, Yeou-jyh Tsai, Ching-Lung Fu
  • Patent number: 7786929
    Abstract: A method and device for predicting satellite trajectory extension data used in a mobile apparatus. The device in accordance with the present invention comprises an I/O interface and a microprocessor. The input/output (I/O) interface is used for obtaining at least one satellite navigation message for a satellite. The microprocessor is used for determining a propagating condition according to the satellite navigation message, estimating a plurality of parameters of a satellite trajectory prediction model according to the propagating condition, and propagating a set of satellite trajectory extension data by using the satellite trajectory prediction model.
    Type: Grant
    Filed: April 15, 2008
    Date of Patent: August 31, 2010
    Assignee: Mediatek Inc.
    Inventors: Chin-tang Weng, Yeou-jyh Tsai, Ching-Lung Fu
  • Publication number: 20090135061
    Abstract: A method and device for predicting satellite trajectory extension data used in a mobile apparatus. The device in accordance with the present invention comprises an I/O interface and a microprocessor. The input/output (I/O) interface is used for obtaining at least one satellite navigation message for a satellite. The microprocessor is used for determining a propagating condition according to the satellite navigation message, estimating a plurality of parameters of a satellite trajectory prediction model according to the propagating condition, and propagating a set of satellite trajectory extension data by using the satellite trajectory prediction model.
    Type: Application
    Filed: April 15, 2008
    Publication date: May 28, 2009
    Applicant: MEDIATEK INC.
    Inventors: Chin-tang Weng, Yeou-jyh Tsai, Ching-Lung Fu