Patents Assigned to Hansder Engineering Co., Ltd.
  • Television set having power frequency carrier
    Patent number: 7760268
    Abstract: By utilizing a power frequency carrier provided by an indoor power line, multimedia data is transferred to a converter to be converted for being displayed on an output display of a television so that the multimedia data can be transferred along the indoor power line to save indoor lines.
    Type: Grant
    Filed: July 5, 2006
    Date of Patent: July 20, 2010
    Assignee: Hansder Engineering Co., Ltd.
    Inventor: Yuan-Yu Huang
  • Fire-alarm control panel having power frequency carrier
    Patent number: 7456728
    Abstract: A fire-alarm control panel uses a transforming unit together with indoor power line for a fire alarm; and a signal for the fire alarm is transferred to another fire-alarm control panel in another place.
    Type: Grant
    Filed: July 5, 2006
    Date of Patent: November 25, 2008
    Assignee: Hansder Engineering Co., Ltd.
    Inventor: Yuan-Yu Huang
  • Breaker control system using power frequency carrier
    Publication number: 20080225453
    Abstract: More than one high-pressure facility is controlled. A first power frequency carrier unit of the high-pressure facility is connected with a second power frequency carrier unit of a monitoring device through the indoor power unit. Thus, the high-pressure facility can be monitored and controlled by the monitoring device remotely.
    Type: Application
    Filed: March 16, 2007
    Publication date: September 18, 2008
    Applicant: HANSDER ENGINEERING CO., LTD.
    Inventor: Yuan-Yu Huang
  • Smoke detector having camera
    Publication number: 20080111701
    Abstract: A smoke detector simultaneously processes signals from a detector and signals from an image capture unit through using a power frequency carrier device. Thus, an early alarm can be made by the detector. Nevertheless, the detector can be easily installed at any p lace without a complex wiring.
    Type: Application
    Filed: March 21, 2007
    Publication date: May 15, 2008
    Applicant: HANSDER ENGINEERING CO., LTD.
    Inventor: Yuan-Yu Huang
  • Apparatus for air conditioning using power frequency carrier
    Publication number: 20070187083
    Abstract: The present invention provides an apparatus for air conditioning, where components of the apparatus are easily installed and communicate with each other easily by using power frequency carrier for better performance.
    Type: Application
    Filed: November 8, 2006
    Publication date: August 16, 2007
    Applicant: HANSDER ENGINEERING CO., LTD.
    Inventor: Yuan-Yu Huang
  • Network computer having power frequency carrier
    Publication number: 20070019576
    Abstract: The present invention transfers signals over a power line, where power signals run over the power line are modulated into network signals in a power supplier of a computer to be inputted into the computer; and, conversely, network signals from the computer are modulated into power signals in the power supplier to be transmitted over the power line.
    Type: Application
    Filed: July 3, 2006
    Publication date: January 25, 2007
    Applicant: HANSDER ENGINEERING CO., LTD.
    Inventor: Yuan-Yu Huang