Patents by Inventor Cheng-Hsing Kuo

Cheng-Hsing Kuo 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: 8584531
    Abstract: An ultrasonic gas flow measurement device includes a dumbbell-shaped tube, a first ultrasonic transceiver, a second ultrasonic transceiver, a first cover part, a second cover part and a control unit. The dumbbell-shaped tube includes a central tube part, a first cone part, a first tube part, a second cone part and a second tube part, wherein the first tube part has a flow inlet, the second tube part has a flow outlet, the central tube part connects to the first tube part through the first cone part, and connects to the second tube part through the second cone part. The first ultrasonic transceiver installed inside the first tube part is used for transmitting or receiving ultrasonic signals. The second ultrasonic transceiver installed inside the second tube part is used for transmitting or receiving ultrasonic signals. The control unit is used to control the first and second transceivers.
    Type: Grant
    Filed: January 11, 2011
    Date of Patent: November 19, 2013
    Assignee: Tatung Company
    Inventors: Shu-Ting Liao, Ya-Leei Chien, Shih-Jung Chang, Cheng-Hsing Kuo
  • Patent number: 8374806
    Abstract: An ultrasonic phase-shift detection device includes a clock generator, a divider, a first counter, a comparator, a phase detector and a second counter. The divider is provided for dividing the clock signal to generate ultrasonic signals. The comparator is provided for comparing the counting value of the first counter and a predetermined number. The phase detector is provided for comparing the phase shift between different ultrasonic signals. The second counter is provided for counting to generate the digital result signal.
    Type: Grant
    Filed: September 28, 2010
    Date of Patent: February 12, 2013
    Assignee: Tatung Company
    Inventors: Shu-Ting Liao, Chao-Fa Lee, Cheng-Hsing Kuo
  • Patent number: 8355546
    Abstract: A method for identifying a fingerprint image includes inputting a fingerprint image captured by an electronic device, calculating an amount of valid ridge pixels in an amount of total ridge pixels of the fingerprint image to generate a first ratio, calculating an amount of successive ridge pixels in an amount of total ridge pixels of the fingerprint image to generate a second ration when the first ratio is identified within a first predetermined range, and determining the fingerprint image as a valid fingerprint image when the second ratio is identified within a second predetermined range.
    Type: Grant
    Filed: January 28, 2010
    Date of Patent: January 15, 2013
    Assignee: Wistron Corporation
    Inventors: Cheng-Hsing Kuo, Yen-Hui Wang, Tung-Jung Wu
  • Publication number: 20120186362
    Abstract: An adjustable ultrasonic gas flow measurement device includes a gas pipe, a transmitter, a receiver and a micro-processing module. The gas pipe is filled with a gas under test. The transmitter and the receiver are respectively installed in two ends of the gas pipe for transmitting and receiving ultrasonic signals inside the gas pipe. The micro-processing module is electrically connected to the transmitter and the receiver for generating and sending a first ultrasonic signal to the transmitter for transmitting, and comparing the phase shift of a second ultrasonic signal and a third ultrasonic signal to output a phase comparison result, wherein the transmitted first ultrasonic signal passing through the gas pipe was received by the receiver as the second ultrasonic signal, and the third ultrasonic signal is generated by shifting the first ultrasonic signal with a predetermined phase difference.
    Type: Application
    Filed: March 23, 2011
    Publication date: July 26, 2012
    Applicant: Tatung Company
    Inventors: Chao-Fa Lee, Shu-Ting Liao, Cheng-Hsing Kuo
  • Publication number: 20120118074
    Abstract: An ultrasonic gas flow measurement device includes a dumbbell-shaped tube, a first ultrasonic transceiver, a second ultrasonic transceiver, a first cover part, a second cover part and a control unit. The dumbbell-shaped tube includes a central tube part, a first cone part, a first tube part, a second cone part and a second tube part, wherein the first tube part has a flow inlet, the second tube part has a flow outlet, the central tube part connects to the first tube part through the first cone part, and connects to the second tube part through the second cone part. The first ultrasonic transceiver installed inside the first tube part is used for transmitting or receiving ultrasonic signals. The second ultrasonic transceiver installed inside the second tube part is used for transmitting or receiving ultrasonic signals. The control unit is used to control the first and second transceivers.
    Type: Application
    Filed: January 11, 2011
    Publication date: May 17, 2012
    Applicant: Tatung Company
    Inventors: Shu-Ting Liao, Ya-Leei Chien, Shih-Jung Chang, Cheng-Hsing Kuo
  • Publication number: 20120077257
    Abstract: A cell measurement system measures changes of frequency and transepithelial electrical resistance of a tested cell sample. The cell measurement system includes a quartz crystal sensing module, an oscillation module, a periodic wave-generation module, a low-pass filtration module, and a control module. The cell measurement system of the present invention can simultaneously measure changes of frequency and transepithelial electrical resistance of a tested cell sample during cell growth so that the growth level and healthy condition of the cells and degree of a monolayer completion of the cells can be determined.
    Type: Application
    Filed: February 1, 2011
    Publication date: March 29, 2012
    Applicant: Tatung Company
    Inventors: Chao-Fa Lee, Tsong-Rong Yan, Cheng-Hsing Kuo
  • Publication number: 20120041693
    Abstract: An ultrasonic phase-shift detection device includes a clock generator, a divider, a first counter, a comparator, a phase detector and a second counter. The divider is provided for dividing the clock signal to generate ultrasonic signals. The comparator is provided for comparing the counting value of the first counter and a predetermined number. The phase detector is provided for comparing the phase shift between different ultrasonic signals. The second counter is provided for counting to generate the digital result signal.
    Type: Application
    Filed: September 28, 2010
    Publication date: February 16, 2012
    Applicant: Tatung Company
    Inventors: Shu-Ting Liao, Chao-Fa Lee, Cheng-Hsing Kuo
  • Patent number: 8078248
    Abstract: A digital logic module of oximeter sensor probe includes a detection probe, an operation circuit, and an integrated circuit. This digital logic module of oximeter sensor probe is provided with the light source driving function and the light source capturing function for reducing loading of the microprocessor, so that a cheaper microprocessor can be used in the oximeter sensor for reducing the development cost of the oximeter.
    Type: Grant
    Filed: June 26, 2007
    Date of Patent: December 13, 2011
    Assignee: Tatung Company
    Inventors: Chao-Fa Lee, Shih-Jung Chang, Cheng-Hsing Kuo
  • Publication number: 20110191110
    Abstract: A multi-parameter physical audio signal decoding system includes an audio capturing device, a signal pre-processor, a signal decoder, a data modulator and a display device. The audio capturing device receives audio signals, and transforms them into digital signals in real time. The digital signals are transmitted to the signal pre-processor. The signal decoder decodes the digital signals. The data modulator removes signal noises. The display device displays the modulated digital signals. In a non-real-time decoding process, an audio file recorded with physical signals is transmitted to the pre-processor to proceed the decoding process.
    Type: Application
    Filed: March 15, 2010
    Publication date: August 4, 2011
    Applicant: Tatung Company
    Inventors: Shih-Jung Chang, Chao-Fa Lee, Cheng-Hsing Kuo
  • Patent number: 7974686
    Abstract: A multi-channel bio-med electric signals capturing device includes: a detection channel unit, a control unit, a voice signal generator and a computer device. The detection channel unit is provided to detect bioelectric signals produced from human body and amplify the same. The control unit is provided to capture the amplified bio-med electric signals based on a frequency conforming to a computer acceptable audient signal. The voice signal generator transmits the captured amplified bio-med electric signals to a microphone of the computer device, whereby a recording program built in the computer device records the input audient signal as a voice file. Accordingly, the user is able to monitor the bio-med electric signals by easily and simply using a computer device.
    Type: Grant
    Filed: February 23, 2009
    Date of Patent: July 5, 2011
    Assignee: Tatung Company
    Inventors: Chao-Fa Lee, Shih-Jung Chang, Cheng-Hsing Kuo
  • Publication number: 20110118563
    Abstract: A portable multi-parameter physiological monitoring and recording device includes multiple sensors, multiple detection channel units, a multiplexer, a clock generator, a controller, an analog switch, a recording unit and a storage unit. The sensors are attached on the body of a person for sensing physiological parameter signals. The detection channel units amplify the received physiological parameter signals. The multiplexer captures the amplified physiological parameter signals. The clock generator generates clock signals in the audio-frequency range. The controller controls the multiplexer to capture the amplified physiological parameter signals based on the clock signals generated by the clock generator. The analog switch outputs the amplified physiological parameter signals as an audio signal. The recording unit records the audio signals as an audio file. The storage unit stores the audio file.
    Type: Application
    Filed: January 8, 2010
    Publication date: May 19, 2011
    Applicant: Tatung Company
    Inventors: Chao-Fa Lee, Shih-Jung Chang, Cheng-Hsing Kuo
  • Publication number: 20110107275
    Abstract: A method of testing a cursor interactive with a pointing device on a displaying device includes pointing at a position on a displaying device by the pointing device within a predetermined period, identifying whether a movement of the cursor makes any change corresponding to the pointing device, and concluding a testing result in accordance with the movement of the cursor.
    Type: Application
    Filed: March 1, 2010
    Publication date: May 5, 2011
    Inventors: Cheng-Hsing Kuo, Yen-Hui Wang, Tung-Jung Wu
  • Publication number: 20110096962
    Abstract: A method for identifying a fingerprint image includes inputting a fingerprint image captured by an electronic device, calculating an amount of valid ridge pixels in an amount of total ridge pixels of the fingerprint image to generate a first ratio, calculating an amount of successive ridge pixels in an amount of total ridge pixels of the fingerprint image to generate a second ration when the first ratio is identified within a first predetermined range, and determining the fingerprint image as a valid fingerprint image when the second ratio is identified within a second predetermined range.
    Type: Application
    Filed: January 28, 2010
    Publication date: April 28, 2011
    Inventors: Cheng-Hsing Kuo, Yen-Hui Wang, Tung-Jung Wu
  • Publication number: 20110092826
    Abstract: A system for measuring ECG and breath signals by using two polar electrodes includes a first polar electrode, a second polar electrode and a breath and ECG signals measuring device. The breath and ECG signals measuring device includes a level regulator, a square wave generator, a breath signal process module and an ECG signal process module. The first and second polar electrodes are attached on the body of a person under test to import square wave signal and receive the first and second measuring signals. The level regulator adjusts the voltage reference of the first and second measuring signals. The breath signal process module and the ECG signal process module process and generate a breath signal and an ECG signal respectively.
    Type: Application
    Filed: December 3, 2009
    Publication date: April 21, 2011
    Applicant: Tatung Company
    Inventors: Chao-Fa Lee, Shu-Ting Liao, Cheng-Hsing Kuo
  • Patent number: 7814795
    Abstract: A dual mode measurement system with quartz crystal microbalance (QCM) is provided, which includes a quartz sensing component, a first measurement circuit, a second measurement circuit and a switch unit. When the first measurement circuit is selected through the switch unit, the first measurement circuit and the quartz sensing component form an oscillation circuit and output a resonance signal. When the second measurement circuit is selected through the switch unit, the second measurement circuit outputs a frequency scanning signal to scan the quartz sensing component, so as to output an impedance sensing signal.
    Type: Grant
    Filed: April 23, 2008
    Date of Patent: October 19, 2010
    Assignee: Tatung Company
    Inventors: Chao-Fa Lee, Cheng-Hsing Kuo, Tsong-Rong Yan
  • Publication number: 20100160803
    Abstract: A multi-channel bio-med electric signals capturing device includes: a detection channel unit, a control unit, a voice signal generator and a computer device. The detection channel unit is provided to detect bioelectric signals produced from human body and amplify the same. The control unit is provided to capture the amplified bio-med electric signals based on a frequency conforming to a computer acceptable audient signal. The voice signal generator transmits the captured amplified bio-med electric signals to a microphone of the computer device, whereby a recording program built in the computer device records the input audient signal as a voice file. Accordingly, the user is able to monitor the bio-med electric signals by easily and simply using a computer device.
    Type: Application
    Filed: February 23, 2009
    Publication date: June 24, 2010
    Applicant: Tatung Company
    Inventors: Chao-Fa Lee, Shih-Jung Chang, Cheng-Hsing Kuo
  • Publication number: 20090171221
    Abstract: A system for monitoring heart and lung functions comprises an audio signal sensing unit, an audio signal processing unit, an electrocardiogram signal sensing unit, an electrocardiogram signal processing unit, and a microprocessor unit. The audio signal sensing unit senses audio signals, including a heart sound and a lung sound. The audio signal processing unit is connected to the audio signal sensing unit and processes the audio signals to obtain the heart sound and the lung sound. The electrocardiogram signal sensing unit senses an electrocardiogram signal. The electrocardiogram signal processing unit is connected to the electrocardiogram signal sensing unit and processes the electrocardiogram signal. The microprocessor unit is connected to the audio signal processing unit, the electrocardiogram signal processing unit and a computer host, and processes the heart sound, the lung sound and the electrocardiogram signal to be data that can be identified by the computer host.
    Type: Application
    Filed: July 9, 2008
    Publication date: July 2, 2009
    Applicant: Tatung Company
    Inventors: Shu-Ting Liao, Chao-Fa Lee, Cheng-Hsing Kuo, Shih-Jung Chang
  • Publication number: 20090165560
    Abstract: A dual mode measurement system with quartz crystal microbalance (QCM) is provided, which includes a quartz sensing component, a first measurement circuit, a second measurement circuit and a switch unit. When the first measurement circuit is selected through the switch unit, the first measurement circuit and the quartz sensing component form an oscillation circuit and output a resonance signal. When the second measurement circuit is selected through the switch unit, the second measurement circuit outputs a frequency scanning signal to scan the quartz sensing component, so as to output an impedance sensing signal.
    Type: Application
    Filed: April 23, 2008
    Publication date: July 2, 2009
    Applicant: TATUNG COMPANY
    Inventors: Chao-Fa Lee, Cheng-Hsing Kuo, Tsong-Rong Yan
  • Patent number: 7509860
    Abstract: This present invention relates to a system for measuring resonant frequency and delay time of the quartz crystal microbalance. The system includes a transistor oscillating circuit, a switch circuit, a comparator circuit, and a control circuit. The transistor oscillating circuit comprises a quartz oscillator for generating an original oscillating signal. The switch circuit is coupled to the transistor oscillating circuit for outputting a start signal to generate the original oscillating signal. The comparator circuit is coupled to the transistor oscillating circuit for transforming the original oscillating signal to a square wave oscillating signal. The control circuit is coupled to the comparator circuit for receiving the square oscillating signal to estimate the resonant frequency and the delay time of the quartz crystal microbalance.
    Type: Grant
    Filed: April 13, 2007
    Date of Patent: March 31, 2009
    Assignee: Tatung Company
    Inventors: Chao-Fa Lee, Tsong-Rong Yan, Cheng-Hsing Kuo
  • Publication number: 20080184801
    Abstract: This present invention relates to a system for measuring resonant frequency and delay time of the quartz crystal microbalance. The system includes a transistor oscillating circuit, a switch circuit, a comparator circuit, and a control circuit. The transistor oscillating circuit comprises a quartz oscillator for generating an original oscillating signal. The switch circuit is coupled to the transistor oscillating circuit for outputting a start signal to generate the original oscillating signal. The comparator circuit is coupled to the transistor oscillating circuit for transforming the original oscillating signal to a square wave oscillating signal. The control circuit is coupled to the comparator circuit for receiving the square oscillating signal to estimate the resonant frequency and the delay time of the quartz crystal microbalance.
    Type: Application
    Filed: April 13, 2007
    Publication date: August 7, 2008
    Applicant: Tatung Company
    Inventors: Chao-Fa Lee, Tsong-Rong Yan, Cheng-Hsing Kuo