Patents by Inventor Jian-Chiun Liou
Jian-Chiun Liou 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).
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Publication number: 20230270336Abstract: A device includes an angiography module, a phototherapy module, a carrier including an optical filter and accommodating the angiography module and the phototherapy module, and a control unit controlling operation of the angiography module and the phototherapy module. The angiography module includes infrared LEDs emitting infrared light through the optical filter to irradiate a limb of a subject, and an infrared sensor sensing a part of the infrared light reflected off the limb to generate a result, based on which the control unit generates an angiogram. The phototherapy module emits infrared light through the optical filter to irradiate the limb for phototherapy.Type: ApplicationFiled: May 4, 2023Publication date: August 31, 2023Applicant: Taipei Medical UniversityInventor: Jian-Chiun Liou
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Patent number: 11678839Abstract: A device includes an angiography module, a phototherapy module, a carrier including an optical filter and accommodating the angiography module and the phototherapy module, and a control unit controlling operation of the angiography module and the phototherapy module. The angiography module includes infrared LEDs emitting infrared light through the optical filter to irradiate a limb of a subject, and an infrared sensor sensing a part of the infrared light reflected off the limb to generate a result, based on which the control unit generates an angiogram. The phototherapy module emits infrared light through the optical filter to irradiate the limb for phototherapy.Type: GrantFiled: April 15, 2021Date of Patent: June 20, 2023Assignee: Taipei Medical UniversityInventor: Jian-Chiun Liou
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Publication number: 20220330969Abstract: Systems and methods for noncontact ablation of tissues or materials in/on the body using an ablation catheter that has a directional ablation unit. The ablation unit has a set of individual transducer (e.g., ultrasound) elements that are movably positioned. A position adjustment element (a deformer) is movable with respect to the ultrasonic transducer to alter the positions of the individual transducer elements and thereby alter the directions in which the transducer elements emit ultrasonic energy. In one embodiment, the ablation catheter is a lumen catheter through which a positioning/measurement catheter can be inserted. The luminal ablation catheter is inserted through the skin and into the body via conventional methods. The ablation and positioning catheters can be used to make electrical measurements with respect to the surrounding tissue, and the ablation catheter can be used to emit energy in a desired direction and/or pattern to ablate target tissue.Type: ApplicationFiled: April 20, 2021Publication date: October 20, 2022Inventors: Hue-Teh Shih, Jian-Chiun Liou, Chen-Chia Chou
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Publication number: 20220257983Abstract: A biological object image-capturing and treatment system includes a micro detection and treatment device, and an AI model. The micro detection and treatment device includes a plurality of signal transmitting and receiving elements, wherein one of the signal transmitting and receiving elements continuously transmits a stimulation signal with different parameter values to a particular target, and one of the signal transmitting and receiving elements continuously receives response signal from the particular target. The AI model uses the response signals to perform machine learning, and outputs a parameter value adjustment suggestion to the micro detection and treatment device according to result of the machine learning. The micro detection and treatment device adjusts the parameter value of the stimulation signal according to the parameter value adjustment suggestion.Type: ApplicationFiled: April 26, 2022Publication date: August 18, 2022Inventor: Jian-Chiun LIOU
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Publication number: 20220192594Abstract: A device includes an angiography module, a phototherapy module, a carrier including an optical filter and accommodating the angiography module and the phototherapy module, and a control unit controlling operation of the angiography module and the phototherapy module. The angiography module includes infrared LEDs emitting infrared light through the optical filter to irradiate a limb of a subject, and an infrared sensor sensing a part of the infrared light reflected off the limb to generate a result, based on which the control unit generates an angiogram. The phototherapy module emits infrared light through the optical filter to irradiate the limb for phototherapy.Type: ApplicationFiled: April 15, 2021Publication date: June 23, 2022Applicant: Taipei Medical UniversityInventor: Jian-Chiun Liou
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Patent number: 11351400Abstract: A biological object image-capturing and treatment system includes a micro detection and treatment device. The micro detection and treatment device includes a plurality of signal transmitting and receiving elements arranged as an array, wherein adjacent at least two signal transmitting and receiving elements transmit signals or receive signals during different periods. When performing an image-capturing procedure, at least one signal transmitting and receiving element transmits a first power signal and, when performing a treatment procedure, at least one signal transmitting and receiving element transmits a second power signal, wherein a power of the first power signal is different from a power of the second power signal.Type: GrantFiled: June 16, 2020Date of Patent: June 7, 2022Assignee: TAIPEI MEDICAL UNIVERSITYInventor: Jian-Chiun Liou
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Publication number: 20210077833Abstract: A biological object image-capturing and treatment system includes a micro detection and treatment device. The micro detection and treatment device includes a plurality of signal transmitting and receiving elements arranged as an array, wherein adjacent at least two signal transmitting and receiving elements transmit signals or receive signals during different periods. When performing an image-capturing procedure, at least one signal transmitting and receiving element transmits a first power signal and, when performing a treatment procedure, at least one signal transmitting and receiving element transmits a second power signal, wherein a power of the first power signal is different from a power of the second power signal.Type: ApplicationFiled: June 16, 2020Publication date: March 18, 2021Inventor: Jian-Chiun LIOU
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Publication number: 20180092631Abstract: A blood vessel analysis device includes a photoelectric detector, a processor and an ultrasonic detector. The photoelectric detector detects a blood vessel and generates a detecting signal. The processor is connected to the photoelectric detector for receiving the detecting signal. The processor converts the detecting signal into a blood flow information specifying a blood flow condition of the blood vessel, and outputs a driving signal when the specified blood flow condition matches a reference blood flow condition. The ultrasonic detector is connected to the processor. The ultrasonic detector detects the blood vessel and generates a blood vessel diameter information upon reception of the driving signal. Based on this, the detection efficiency is improved. An operating method of the blood vessel analysis device is also provided.Type: ApplicationFiled: October 3, 2016Publication date: April 5, 2018Inventor: Jian-Chiun Liou
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Publication number: 20180028125Abstract: A health care system including a cloud database, a physiological sensor and a processor is disclosed. The cloud database is configured to store a reference waveform and an abnormal data record. The physiological sensor is configured to detect a detected part of a body and to generate a detected physiological signal. The processor is electrically connected to the cloud database and retrieves the reference waveform from the cloud database. The processor is electrically connected to the physiological sensor to receive the detected physiological signal, converts the detected physiological signal into a physiological waveform, compares the physiological waveform with the reference waveform to determine a frequency error and a peak error therebetween, and generates a driving signal when the frequency error is not smaller than a frequency threshold and the peak error is not smaller than a peak threshold. Advantageously, the efficiency of health management can be improved.Type: ApplicationFiled: July 29, 2016Publication date: February 1, 2018Inventors: Jian-Chiun Liou, Tien-Tsorng Shih, Cheng-Hong Yang
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Publication number: 20170224311Abstract: A control system for controlling an ultrasonic probe includes a module for assigning address parameters respectively to ultrasonic transducers of the probe according to a physical position order of the ultrasonic transducers, a module for arranging the address parameters in an activation sequence, and a module for generating activating signals each corresponding to a respective address parameter. Sequential two address parameters in the activation sequence correspond to two ultrasonic transducers that are non-sequential to each other in the physical position order. Each activating signal is transmitted to a respective ultrasonic transducer that is assigned with the address parameter to which the activating signal corresponds.Type: ApplicationFiled: February 4, 2016Publication date: August 10, 2017Inventors: Jian-Chiun LIOU, Tien-Tsorng SHIH
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Publication number: 20170172432Abstract: A device for measuring psychological signals includes a substrate, a light emitting unit, a photoelectric sensor and a microprocessor. The substrate includes a surface that is divided into an emission area and a reception area. The light emitting unit is arranged in the emission area and includes a plurality of light emitting sections. The plurality of light emitting sections irradiates a plurality of lights with different wavelengths on a predetermined location. The photoelectric sensor is arranged in the reception area, and is capable of detecting a plurality of reflected lights from the predetermined location and generating an electrical signal accordingly. The microprocessor is electrically connected to the photoelectric sensor, receives the electrical signal, and converts the electrical signal into a waveform signal. Thus, the detection accuracy can be improved. As such, the detection accuracy of the psychological condition of the user can be improved.Type: ApplicationFiled: December 18, 2015Publication date: June 22, 2017Inventors: Jian-Chiun Liou, Tien-Tsorng Shih, Cheng-Hong Yang
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Patent number: 9395547Abstract: A 3-dimensional image display includes a display panel and a light deflecting lens array. The display panel is to display a sequence of images with actively emitting an image light. The images are corresponding to a plurality of viewing zones and sequentially displayed by a time sequence. The light deflecting lens array is disposed over the display panel. The light deflecting lens array has a plurality of light deflecting units, and the light deflecting units sequentially deflect the image light to the corresponding viewing zones by the same time sequence.Type: GrantFiled: May 9, 2013Date of Patent: July 19, 2016Assignee: Industrial Technology Research InstituteInventor: Jian-Chiun Liou
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Patent number: 9019513Abstract: The multi-dimensional data registration integrated circuit for driving array-arrangement devices, comprising: a plurality of the i-th hierarchy sets, each of the i-th hierarchy sets is divided into a plurality of the (i+1)-th hierarchy sets; a i-th hierarchy address selection circuit, comprising a signal generation unit and a multiplexing unit, wherein the former generates an enable signal, the latter is connected to the signal generating unit and shifts the input data based on the enable signal and a second timing signal to further generate n bits of address signals, the i-th hierarchy address selection circuit is used to scan the plurality of the i-th hierarchy sets and select at least one of the i-th hierarchy sets to function; and a data supply circuit to follow a scan sequence of a j-th hierarchy address selection circuit and write a plurality of data into the selected j-th hierarchy sets.Type: GrantFiled: December 4, 2013Date of Patent: April 28, 2015Assignee: National Tsing Hua UniversityInventors: Fan-Gang Tseng, Jian Chiun Liou
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Publication number: 20140176501Abstract: A non-touch control system is provided. The non-touch control system comprises an object sensing module and a control interface module. The object sensing module comprises a plurality of object transmitting-receiving pairs which set along a plurality of directions to define a sensing space. The sensing space comprises a virtual plane. The object sensing module is used for sensing an object which enters the sensing space and determines whether the object touches the virtual plane. The control interface module provides an operational interface. The virtual plane comprises a plurality of sub-regions respectively corresponding to a plurality of operational blocks of the operational interface. When the object touches one of the sub-regions, the object transmitting-receiving sensing pair corresponding to the sub-region transfers a first sensing signal to the control interface module after a delay time, in order to execute the function of the operating block corresponding to the sub-region.Type: ApplicationFiled: May 23, 2013Publication date: June 26, 2014Applicant: Industrial Technology Research InstituteInventor: Jian-Chiun Liou
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Publication number: 20140104878Abstract: A stereoscopic display including a backlight module, a display panel, a light-controlling element and a switching element is provided. The backlight module includes a light source and a light guide plate. The light guide plate has a light incident surface and a light emitting surface. The light-controlling element is disposed between the display panel and the light guide plate. The light-controlling element includes a plurality of light-controlling surface groups. Each of the light-controlling surface groups has a first surface and a second surface opposite to each other. At least one of the first surface and the second surface inclines with respect to the light emitting surface by over 90 degrees. The switching element is configured to switch between a light transmitting mode and a light scattering mode.Type: ApplicationFiled: August 13, 2013Publication date: April 17, 2014Applicant: Industrial Technology Research InstituteInventors: Fu-Hao Chen, Wu-Li Chen, Wei-Ting Yen, Jian-Chiun Liou, Chao-Hsu Tsai
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Patent number: 8698880Abstract: A time multiplexed stereo display system is provided. The system includes a video player to output a sequence of image frames with respect to multiple stereo-displayed images. Each of the stereo-displayed images is formed by a first-view image and a second-view image with a parallax therebetween. The sequence of the image frames is sequentially displaying all of the first-view images and then sequentially displaying all of the second-view images to symmetrically transmitting first-view/second-view images. Further, a display panel receives the sequence of image frames for accordingly displaying the image frames. Multiple shutter eyeglasses, are controlled by the video player to transmit the stereo-displayed images, respectively, in accordance with the sequence of the image frames. Each of the shutter eyeglasses has a first-view glass and a second-view glass to accordingly transmit one of the first-view images and the second-view images in each display of the image frames.Type: GrantFiled: December 1, 2010Date of Patent: April 15, 2014Assignee: Industrial Technology Research InstituteInventors: Jian-Chiun Liou, Chun-Jung Chen, Kuen Lee
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Patent number: 8692178Abstract: A photosensitive control system includes a light source device configured to provide a directional light beam and a photosensitive device which includes at least one pre-arranged photosensitive unit. Also, the photosensitive control system has a light guide device configured between the light source device and the photosensitive device for guiding the light beam to the at least one photosensitive unit and therefore the photosensitive device produces a sensing signal. In addition, the photosensitive control system includes a controller configured to receive the sensing signal and provide control data in accordance with the sensing signal.Type: GrantFiled: June 11, 2010Date of Patent: April 8, 2014Assignee: Industrial Technology Research InstituteInventors: Jian-Chiun Liou, Chun-Jung Chen
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Publication number: 20140091836Abstract: The multi-dimensional data registration integrated circuit for driving array-arrangement devices, comprising: a plurality of the i-th hierarchy sets, each of the i-th hierarchy sets is divided into a plurality of the (i+1)-th hierarchy sets; a i-th hierarchy address selection circuit, comprising a signal generation unit and a multiplexing unit, wherein the former generates an enable signal, the latter is connected to the signal generating unit and shifts the input data based on the enable signal and a second timing signal to further generate n bits of address signals, the i-th hierarchy address selection circuit is used to scan the plurality of the i-th hierarchy sets and select at least one of the i-th hierarchy sets to function; and a data supply circuit to follow a scan sequence of a j-th hierarchy address selection circuit and write a plurality of data into the selected j-th hierarchy sets.Type: ApplicationFiled: December 4, 2013Publication date: April 3, 2014Applicant: NATIONAL TSING HUA UNIVERSITYInventors: Fan-Gang TSENG, Jian Chiun LIOU
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Patent number: 8625153Abstract: A multi-dimensional data registration integrated circuit is configured for driving array-arrangement devices. The array-arrangement devices comprise a plurality of first hierarchy sets, each which comprises a plurality of second hierarchy sets. The multi-dimensional data registration integrated circuit comprises a first hierarchy address selection circuit, a second hierarchy address selection circuit and a data supply circuit. The first hierarchy address selection circuit scans the first hierarchy sets, and selects a unit of the first hierarchy sets to activate it. The second hierarchy address selection circuit scans the second hierarchy sets. The data supply circuit writes a plurality of data into each designated unit of the second hierarchy sets according to the scanning sequence of the second hierarchy address selection circuit.Type: GrantFiled: June 8, 2009Date of Patent: January 7, 2014Assignee: National Tsing Hua UniversityInventors: Fan Gang Tseng, Jian Chiun Liou
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Publication number: 20130258460Abstract: A 3-dimensional image display includes a display panel and a light deflecting lens array. The display panel is to display a sequence of images with actively emitting an image light. The images are corresponding to a plurality of viewing zones and sequentially displayed by a time sequence. The light deflecting lens array is disposed over the display panel. The light deflecting lens array has a plurality of light deflecting units, and the light deflecting units sequentially deflect the image light to the corresponding viewing zones by the same time sequence.Type: ApplicationFiled: May 9, 2013Publication date: October 3, 2013Applicant: Industrial Technology Research InstituteInventor: Jian-Chiun Liou