Patents by Inventor Hen-Hong Chang

Hen-Hong Chang 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).

  • Publication number: 20140055557
    Abstract: An automated external defibrillator (AED) with a panoramic video camera device comprises a case, an AED accommodated by the case, a microprocessor built in the AED, an image capture device electrically connected with the microprocessor, a memory electrically connected with the microprocessor and storing the images captured by the image capture device, and a panoramic lens arranged above the image capture device. During usage, the present invention takes motion pictures panoramically to provide more detailed information for the medical personnel after the patient has been transported to the hospital and ascertain the truth for a medical dispute.
    Type: Application
    Filed: March 14, 2013
    Publication date: February 27, 2014
    Applicant: CHUNG YUAN CHRISTIAN UNIVERSITY
    Inventors: Cheng-Lun TSAI, Kang-Ping LIN, Hen-Hong CHANG, Chi-Ping TAI, Wen-Chih LIN
  • Publication number: 20130046191
    Abstract: The present invention discloses a system and method to measure the pulse pressure signals, which inflates and deflates at least one air bag to detect pulse pressure signals of a human limb. The system comprises a detection device and a host device. The detection device is place on an artery of a human limb and includes one or more air bags. The host device controls inflation and deflation of the air bags, measures pressure variation of the air bags, and records and analyzes pulse pressure signals. The system and method of the present invention can simulate the three-finger technique of pulse diagnostics of the traditional Chinese medicine and provide physicians with more reliable pulse-diagnostics information.
    Type: Application
    Filed: November 29, 2011
    Publication date: February 21, 2013
    Inventors: Kang Ping Lin, Hen Hong Chang, Wen Chen Lin, Geng Hong Lin
  • Publication number: 20130046192
    Abstract: An image-based PWV measurement device and method are provided. The measurement device comprises at least two light emitting units respectively projecting light beams to at least two detected regions on body surface; at least two light transmitting units respectively receiving and transmitting light signals measured at the different detected regions; an image sensing unit converting the light signals measured at the detected regions into image signals; a length measurement unit used to measure the distance between the detected regions; and an image analysis unit analyzing the image signals to obtain PPG signals for the detected regions. According to the PPG signals, the image analysis unit calculates the physiological parameters, including the perfusion index, respiration rate, pulse rate, stiffness index, reflection index, and PWV between the detected regions, which is derived according to the distance and the pulse transit time from the PPG signals of the two detected regions.
    Type: Application
    Filed: November 30, 2011
    Publication date: February 21, 2013
    Inventors: Yue-Der LIN, Ching Che TSAI, Hu Ying HO, Shih Fan WANG, Kang Ping LIN, Hen Hong CHANG, Yung Ching CHANG
  • Publication number: 20130046154
    Abstract: The present invention discloses a PPG imaging device and a PPG measuring method. The PPG imaging device comprises a light emitting unit, a collimator unit, a beam splitter unit, an image sensing unit, and an image analysis unit. The light emitting unit provides an incident light signal. The collimator unit receives the incident light signal and transforms the incident light signal into a parallel light signal. The beam splitter unit receives the parallel light signal and reflects it to a tested region. The image sensing unit receives a reflected light signal reflected from the tested region and converts it into image signals. The image analysis unit connects with the image sensing unit and analyzes the image signals to obtain PPG signals of the tested region. The PPG imaging device may be arranged in an anti-light pollution unit, whereby to prevent from optical interference and obtain higher measurement precision.
    Type: Application
    Filed: November 29, 2011
    Publication date: February 21, 2013
    Inventors: Yue Der Lin, Shih Fan Wang, Hu Ying Ho, Ching Che Tsai, Kang Ping Lin, Hen Hong Chang, Yung Ching Chang
  • Publication number: 20060111638
    Abstract: The invention is related to a noninvasive pulse measurement system with constant pressure for extremities of a human, and the constant pressure is modulated among 30 to 120 mmHg. There are an auto-mode and a manual mode for measurement algorithm. The auto-mode completes measurement and recording processes automatically during 2 minutes and pressurizes the system from low pressure (30 mmHg) to high pressure (120 mmHg) with 10 mmHg gradient every 5 seconds while the manual mode completes measurement and recording processes during a long time under a user's setting. Moreover, by a post-treatment of the system, the system is able to obtain continuous pulse signals, continuous pulse differential signals, and continuous pulse integral signals that are useful for Chinese medicine to evaluate and monitor the user's cardio-physiology and circulatory system.
    Type: Application
    Filed: May 11, 2005
    Publication date: May 25, 2006
    Applicant: Hen-Hong Chang
    Inventors: Hen-Hong Chang, Kang-Ping Lin, Wen-Chen Lin