Patents by Inventor Long-Der Chen
Long-Der Chen 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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Patent number: 9423810Abstract: A voltage regulator and a control method thereof are provided to dynamically adjust an output voltage. The voltage regulator comprises a plurality of switching transistors and a control circuit. The first end of each switching transistor receives a driving voltage, and the second end of each switching transistor is electrically connected to the end which outputs the output voltage. The input end and the feedback end of the control circuit respectively receive a reference voltage and the output voltage. A plurality of output ends of the control circuit are electrically connected to the control ends of the switching transistors respectively. Switching transistors adjust the output voltage. The control circuit compares the output voltage with the reference voltage, and selectively turns the switching transistors on or off according to the comparison between the output voltage and the reference voltage, to control the output voltage to approach the reference voltage.Type: GrantFiled: March 31, 2014Date of Patent: August 23, 2016Assignee: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Long-Der Chen, Dau-Chen Huang, Yu-Chen Lin, Ke-Horng Chen, Shen-Yu Peng
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Patent number: 9399463Abstract: An automatic tracking collision avoidance method has following steps: taking images in front of an origin vehicle by at least two photograph units; the images delivering to a calculation assembly, to transform the images from three primary colors images to grey images; having a relative vehicle speed of the front vehicle corresponded to the original vehicle according to the grey images; and according to the grey images the calculation assembly having a relative vehicle speed that the front vehicle corresponded to the original vehicle; the calculation assembly having a safe distance according to the relative vehicle speed, if the safe distance is great than a distance that between the original vehicle and the front vehicle, an alarm module generating an alert signal.Type: GrantFiled: December 24, 2014Date of Patent: July 26, 2016Assignee: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Long-Der Chen, Dau-Chen Huang, Pai-Wei Cheng, Ke-Horng Chen, Shin-Chi Lai, Kuo-Chen Kao, Sheau-Fang Lei
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Publication number: 20160129906Abstract: An automatic tracking collision avoidance method has following steps: taking images in front of an origin vehicle by at least two photograph units; the images delivering to a calculation assembly, to transform the images from three primary colors images to grey images; having a relative vehicle speed of the front vehicle corresponded to the original vehicle according to the grey images; and according to the grey images the calculation assembly having a relative vehicle speed that the front vehicle corresponded to the original vehicle; the calculation assembly having a safe distance according to the relative vehicle speed, if the safe distance is great than a distance that between the original vehicle and the front vehicle, an alarm module generating an alert signal.Type: ApplicationFiled: December 24, 2014Publication date: May 12, 2016Inventors: LONG-DER CHEN, DAU-CHEN HUANG, PAI-WEI CHENG, KE-HORNG CHEN, SHIN-CHI LAI, KUO-CHEN KAO, SHEAU-FANG LEI
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Publication number: 20150102792Abstract: A voltage regulator and a control method thereof are provided to dynamically adjust an output voltage. The voltage regulator comprises a plurality of switching transistors and a control circuit. The first end of each switching transistor receives a driving voltage, and the second end of each switching transistor is electrically connected to the end which outputs the output voltage. The input end and the feedback end of the control circuit respectively receive a reference voltage and the output voltage. A plurality of output ends of the control circuit are electrically connected to the control ends of the switching transistors respectively. Switching transistors adjust the output voltage. The control circuit compares the output voltage with the reference voltage, and selectively turns the switching transistors on or off according to the comparison between the output voltage and the reference voltage, to control the output voltage to approach the reference voltage.Type: ApplicationFiled: March 31, 2014Publication date: April 16, 2015Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Long-Der CHEN, Dau-Chen HUANG, Yu-Chen LIN, Ke-Horng CHEN, Shen-Yu PENG
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Patent number: 8689398Abstract: The disclosure provides a cleaning apparatus and detecting method thereof. The cleaning apparatus includes a fan, a motor, a detecting device and a control unit. The motor drives the fan to create an air flow through the cleaning apparatus. The detecting device is electrically connected to the motor, and is utilized detected an impedance of the motor. The control unit is electrically connected to the motor and the detecting device respectively, for comparing the impedance of the motor with a predetermined value and outputting a signal indicative of a comparison result.Type: GrantFiled: July 31, 2012Date of Patent: April 8, 2014Assignee: Industrial Technology Research InstituteInventors: Yu-Liang Chung, Tung-Chuan Wu, Chun-Chieh Wang, Long-Der Chen
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Publication number: 20120291812Abstract: The disclosure provides a cleaning apparatus and detecting method thereof. The cleaning apparatus includes a fan, a motor, a detecting device and a control unit. The motor drives the fan to create an air flow through the cleaning apparatus. The detecting device is electrically connected to the motor, and is utilized detected an impedance of the motor. The control unit is electrically connected to the motor and the detecting device respectively, for comparing the impedance of the motor with a predetermined value and outputting a signal indicative of a comparison result.Type: ApplicationFiled: July 31, 2012Publication date: November 22, 2012Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Yu-Liang CHUNG, Tung-Chuan WU, Chun-Chieh WANG, Long-Der CHEN
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Patent number: 8223029Abstract: A method for controlling a cleaning device is presented, which includes the following steps. A cleaning device includes a control unit, a fan module, an optical emitter, and an optical sensor. The optical emitter and the optical sensor are located in an air inlet of the fan module. The control unit is preset with a first impedance value (Z1), a second impedance value (Z2), and a threshold, where 0<Z1<Z2. Then, the control unit reads an impedance value (Z) of the fan module. If Z1<Z<Z2, the control unit drives the fan module. If Z2<Z, the control unit reads a detected value of the optical sensor. If the detected value exceeds the threshold, the control unit drives the fan module, so as to increase a suction force of the fan module. If the detected value is smaller than the threshold, the control unit turns off the fan module.Type: GrantFiled: December 29, 2009Date of Patent: July 17, 2012Assignee: Industrial Technology Research InstituteInventors: Yu-Liang Chung, Chun-Hsien Liu, Chun-Chieh Wang, Long-Der Chen, Chen Meng-Chun, Chun-Sheng Wang
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Publication number: 20110115638Abstract: A method for controlling a cleaning device is presented, which includes the following steps. A cleaning device includes a control unit, a fan module, an optical emitter, and an optical sensor. The optical emitter and the optical sensor are located in an air inlet of the fan module. The control unit is preset with a first impedance value (Z1), a second impedance value (Z2), and a threshold, where 0<Z1<Z2. Then, the control unit reads an impedance value (Z) of the fan module. If Z1<Z<Z2, the control unit drives the fan module. If Z2<Z, the control unit reads a detected value of the optical sensor. If the detected value exceeds the threshold, the control unit drives the fan module, so as to increase a suction force of the fan module. If the detected value is smaller than the threshold, the control unit turns off the fan module.Type: ApplicationFiled: December 29, 2009Publication date: May 19, 2011Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Yu Liang Chung, Chun Hsien Liu, Chun Chieh Wang, Long Der Chen, Meng Chun Chen, Chun Sheng Wang
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Publication number: 20100293742Abstract: The disclosure provides a cleaning apparatus and detecting method thereof. The cleaning apparatus includes a fan, a motor, a detecting device and a control unit. The motor drives the fan to create an air flow through the cleaning apparatus. The detecting device is electrically connected to the motor, and is utilized detected an impedance of the motor. The control unit is electrically connected to the motor and the detecting device respectively, for comparing the impedance of the motor with a predetermined value and outputting a signal indicative of a comparison result.Type: ApplicationFiled: May 18, 2010Publication date: November 25, 2010Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Yu-Liang CHUNG, Tung-Chuan WU, Chun-Chieh WANG, Long-Der CHEN
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Publication number: 20080161969Abstract: A method for routing a robotic apparatus to a service station and robotic apparatus service system using thereof are disclosed in the present invention, wherein the system comprises at least one service station and a robotic apparatus. The service station is capable of providing charging service and has a signal emitter array which functions to emit communication signals for guiding the robotic apparatus back to the service station. The robotic apparatus has a signal receiver for searching and detecting the communication signal emitted from the service station and determines the moving direction according to the intensity of the communication signal received by the signal receiver so as to arrive at the service station smoothly through the method disclosed in the present invention. Once the robotic apparatus arrives at the service station, the service station may provide service such as charging to the robotic apparatus while the robotic apparatus may standby to wait for the accomplishment of charging.Type: ApplicationFiled: April 11, 2007Publication date: July 3, 2008Inventors: Shih-Ping Lee, Yu-Liang Chung, Long-Der Chen, Hung-Hsiu Yu, Ching-Chi Liao
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Publication number: 20080151908Abstract: A method for information transmission with backbone network and a position monitoring system for multiple robotic devices are provided in the present invention, wherein positions of multiple robotic devices disposed and operated in a widespread area are capable of being monitored. The present invention provides a plurality of positioning and transmitting modules for constructing a backbone network for transmitting position information. The positioning and transmitting modules disposed in the positioning area functions to identify the position of robotic device disposed therein and then report the position information to a central managing unit located in the monitoring center through the backbone network. By means of the foregoing method and system, the monitoring center can monitor the position of the plurality of robotic devices and dispatch orders and assign jobs to those robotic devices in a way of distributed and cooperative multitasking.Type: ApplicationFiled: March 21, 2007Publication date: June 26, 2008Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Fu-Kuang Yeh, Long-Der Chen, Chung-Ta King, Chun-Han Lin
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Publication number: 20060078037Abstract: A thermometer integrated with an image display includes an infrared radiation sensor and a visible light sensor. The infrared radiation sensor detects the infrared radiation signals that correspond to the human-body temperature, and the visible light sensor captures visible light signals that correspond to a visible figure in a measured portion simultaneously. Accordingly, a user could correctly determine whether the measurement is properly performed by viewing a displayed visible figure.Type: ApplicationFiled: October 20, 2005Publication date: April 13, 2006Inventors: Tzong-Sheng Lee, Long-Der Chen, Kuo-Hua Tseng, Jia-Shing Wu
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Publication number: 20060005209Abstract: Disk changer devices and correlated disk acquisition procedures and disk management system. In the disk changer devices, an interface unit is coupled to a host system, at least one disk storage unit stores a plurality of disks, and a control unit is coupled to the interface unit. A disk acquisition unit is coupled to the control unit, and comprises a gripper retrieving a desired disk from the disk storage unit, a first driver moving the gripper along a vertical direction, a second driver moving the gripper along a horizontal direction, and a disk push unit comprising at least one disk push rod, pushing the desired disk to the gripper from the disk storage unit, wherein the control unit drivers the gripper to retrieve the desired disk and deliver it to a disk processing unit, according to a command from the host system.Type: ApplicationFiled: March 17, 2005Publication date: January 5, 2006Inventors: Ching-Mei Chiang, Thomas Lee, Show Lin, Yu-Chi Lin, Guang-Chyan Fang, Long-Der Chen
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Publication number: 20040208230Abstract: A thermometer with image display that has infrared radiation sensor and visible light sensor. Hence, the temperature indicated by the infrared radiation and the image indicated by the visible light is acquired simultaneously. Then, it is possible to decide whether correct area is detected and to analysis the detected area by the image.Type: ApplicationFiled: April 16, 2003Publication date: October 21, 2004Inventors: Tzong-Sheng Lee, Long-Der Chen, Kuo-Hua Tseng, Jia-Shing Wu
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Patent number: 6715689Abstract: An intelligent air-condition system that detects the signals of the temperature distribution among the environment by using the infrared radiation, especially detects the location of the human-body temperature signals. Hence, according to the detected signals, the gas(es) for air-conditions can be firstly transmitted into the location where the human-body temperature signals exist, or be firstly transmitted into where the local temperature is urgent to be adjusted. Besides, the transitions of the gas(es) can be paused or stopped while there is no human-body temperature.Type: GrantFiled: April 10, 2003Date of Patent: April 6, 2004Assignee: Industrial Technology Research InstituteInventors: Tzong-Sheng Lee, Kuo-Hua Tseng, Long-Der Chen, Jimmy Yu