Abstract: A blood vessel positioning device includes an IR image capturing unit, an image-processing unit and an image projector unit. The IR image capturing unit is provided to capture an IR image of a skin area. The image-processing unit connects with the IR image capturing unit and the image projector unit. The image-processing unit is operated to process the IR image to seek thermal features in an image area of the IR image. A vessel pathway, vessel coordinate position or vessel depth of the image area is calculated with the thermal features. The vessel pathway, the vessel coordinate position or the vessel depth is further converted to a horizontal vessel image or a vertical vessel image which is projected onto the skin area by the image projector unit.

Abstract: A heart sound processing method for detecting cardiopathy includes: partitioning heart sound data to obtain a plurality of heart sound data fragments; converting the heart sound data fragments with continuous wavelet transformation to obtain CWT (continuous wavelet transformation) data; converting the heart sound data fragments with short-time Fourier transformation to obtain STFT (short-time Fourier transformation) data; and comparing the CWT data and the STFT data with at least one ultrasound data sample of cardiopathy to seek at least one correlation between time and frequency for identifying cardiopathy.

Abstract: A physiological information detection system includes an image-capturing unit, an image-processing unit and a data-transmitting unit. The image-capturing unit is provided to capture a series of images of head portions and connects with the image-capturing unit to receive the captured images. The image-processing unit is operated to process the captured images and to trace a head portion area and a neck portion area thereof in the processed images. The image-processing unit is further operated to process the captured images to retrieve temperature data from the selected head portion area and the selected neck portion area. The image-processing unit is further operated to convert variations of the temperature data into estimated pulse data. The data-transmitting unit connects with the image-processing unit to transmit the estimated pulse data to a predetermined device.

Abstract: A physiological information detection system includes an image-capturing unit, an image-processing unit and a data-transmitting unit. The image-capturing unit is provided to capture a series of images of head portions and connects with the image-capturing unit to receive the captured images. The image-processing unit is operated to process the captured images and to trace a head portion area and a neck portion area thereof in the processed images. The image-processing unit is further operated to process the captured images to retrieve temperature data from the selected head portion area and the selected neck portion area. The image-processing unit is further operated to convert variations of the temperature data into estimated pulse data. The data-transmitting unit connects with the image-processing unit to transmit the estimated pulse data to a predetermined device.

Abstract: A hand ring having a biomedical monitoring function includes at least one sensor unit, a control circuit, a data-transmitting circuit and at least one display device. The control circuit electrically connects with the sensor unit, the data-transmitting circuit and the display device. The sensor unit is used to attach to skins of a wearer so as to directly measure wearer's biomedical data. In data-transmitting operation, the control circuit controls the data-transmitting circuit to transmit the data to a biomedical management center. In addition, the control circuit further output the data to the display device so as to display the data thereon.

Abstract: A combined PLL and ALL module for switching FM signals includes a PLL unit and an ALL unit electrically connected therewith. The PLL unit is used to initially process FM signals received from a co-channel. Outputs of the PLL unit are sent to the ALL unit and processed therein. The PLL unit and the ALL unit are controlled to process the FM signals by adjusting the ratio of second amplitude to first amplitude to closely approach a predetermined value such that the two FM signals are switched.

Abstract: A combined PLL and ALL module for switching FM signals includes a PLL unit and an ALL unit electrically connected therewith. The PLL unit is used to initially process FM signals received from a co-channel. Outputs of the PLL unit are sent to the ALL unit and processed therein. The PLL unit and the ALL unit are controlled to process the FM signals by adjusting the ratio of second amplitude to first amplitude to closely approach a predetermined value such that the two FM signals are switched.

Abstract: One kind of the technology that can be suppressed the co-channel interference from different frequency. In this work, it can be separated two-transmission signals when the system is adopted the phase-locked loop (PLL) with the amplitude-locked loop (ALL) system in the receiver, and it also can be suppressed the co-channel interference. Finally, the signals through the adaptive filter for the least-mean square (LMS) algorithm to suppress the noise. The ALL is a high gain, high bandwidth servo-loop operation in the amplitude domain rather than the frequency domain. The output of the ALL can be described by the reciprocal of the additive envelope. It is proposed to apply a similar technique to FSK modulation methods. This will result in major improvements in digital communication system and could easily lead to increase the channel capacity of a CDMA (Code-division Multi-access) cellular phone system and any others existing schemes.