Patents by Inventor Jyh-Chun Chang
Jyh-Chun 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).
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Patent number: 11535224Abstract: A heavy vehicle brake control method includes: activating two electro-pneumatic proportional valve control modules to perform braking along a front-axle electrical brake loop and a rear-axle electrical brake loop, respectively; while the two electro-pneumatic proportional valve control modules perform braking along the front-axle electrical brake loop and the rear-axle electrical brake loop, judging malfunctions by detecting the two electro-pneumatic proportional valve control modules; if none of the malfunctions is detected, the two electro-pneumatic proportional valve control modules continuing to perform braking along the front-axle electrical brake loop and the rear-axle electrical brake loop; and, if one or more malfunctions are detected, then switching on a brake-pedal cable control module to control the brake pedal of the brake valve to perform braking. In addition, a heavy vehicle brake control device is also provided.Type: GrantFiled: December 28, 2020Date of Patent: December 27, 2022Assignee: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Kao-Hone Chu, Jyh-Chun Chang, Tsu-Yang Tsai, Yi-Lun Cheng, Jia-Cheng Ke, Shih-Ming Lo
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Publication number: 20220089138Abstract: A heavy vehicle brake control method includes: activating two electro-pneumatic proportional valve control modules to perform braking along a front-axle electrical brake loop and a rear-axle electrical brake loop, respectively; while the two electro-pneumatic proportional valve control modules perform braking along the front-axle electrical brake loop and the rear-axle electrical brake loop, judging malfunctions by detecting the two electro-pneumatic proportional valve control modules; if none of the malfunctions is detected, the two electro-pneumatic proportional valve control modules continuing to perform braking along the front-axle electrical brake loop and the rear-axle electrical brake loop; and, if one or more malfunctions are detected, then switching on a brake-pedal cable control module to control the brake pedal of the brake valve to perform braking. In addition, a heavy vehicle brake control device is also provided.Type: ApplicationFiled: December 28, 2020Publication date: March 24, 2022Inventors: KAO-HONE CHU, JYH-CHUN CHANG, TSU-YANG TSAI, YI-LUN CHENG, JIA-CHENG KE, SHIH-MING LO
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Patent number: 8755183Abstract: A car electric equipment case module includes a housing, a covering structure, an electric equipment set, and a fan. The housing has a side wall, a containing space containing the electric equipment set and a first ventilator formed on the side wall. The covering structure includes a casing assembled to the housing and a block wall connected to the casing and extending outside the side wall to cover the first ventilator. An air channel connected the first ventilator is formed between the block wall and the side wall. The fan configured in the housing provides an air flow. The air flow flows into the containing space through the air channel and the first ventilator and flows out through a second ventilator formed on the covering structure, or flows into the containing space through the second ventilator and flows out through the first ventilator and the air channel.Type: GrantFiled: August 3, 2011Date of Patent: June 17, 2014Assignee: Industrial Technology Research InstituteInventors: Huan-Lung Gu, Jyh-Chun Chang
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Publication number: 20120293956Abstract: A car electric equipment case module includes a housing, a covering structure, an electric equipment set, and a fan. The housing has a side wall, a containing space containing the electric equipment set and a first ventilator formed on the side wall. The covering structure includes a casing assembled to the housing and a block wall connected to the casing and extending outside the side wall to cover the first ventilator. An air channel connected the first ventilator is formed between the block wall and the side wall. The fan configured in the housing provides an air flow. The air flow flows into the containing space through the air channel and the first ventilator and flows out through a second ventilator formed on the covering structure, or flows into the containing space through the second ventilator and flows out through the first ventilator and the air channel.Type: ApplicationFiled: August 3, 2011Publication date: November 22, 2012Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Huan-Lung Gu, Jyh-Chun Chang
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Publication number: 20120135293Abstract: A battery set package is disclosed, which comprises: a plurality of battery cells, each being configured with a frame of a specific length that has two terminals defined at the two opposite longitudinal ends of the frame; two brackets, disposed respectively at the two opposite terminals of the frame for allowing the plural battery cells to be sandwiched between the two brackets; two shells, respectively mounted on the both side of the two brackets; and a plurality of fixtures, for exerting clamping forces in a direction parallel with the longitudinal direction of the frame to the two shells so as to press the two shells to move toward each other and thus fixedly secured the two brackets along with the plural battery cells between the two shells.Type: ApplicationFiled: February 25, 2011Publication date: May 31, 2012Applicant: Industrial Technology Research InstituteInventors: HUAN-LUNG GU, Jyh-Chun Chang
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Patent number: 7743871Abstract: An anti-tilt apparatus is provided in the present invention, in which a frame of a vehicle is locked or released for tilt by a locking mechanism controlled according to the vehicle moving status. In addition, the present invention further provides a frame structure of a tilt vehicle wherein the anti-tilt apparatus and an independent suspended wheel set with a tiltable frame are combined together for maintaining certain comfort, good tracking capability and driving safety while the vehicle is moving and swerving. The anti-tilt apparatus of the present invention functions to lock the tiltable frame while the vehicle is operated in low speed or stop and functions to make wheels simultaneously inwardly incline for providing a tilt capability while the vehicle is swerving in high speed so as to increase higher stability and anti-turnover capability of the vehicle.Type: GrantFiled: November 7, 2007Date of Patent: June 29, 2010Assignee: Industrial Technology Research InstituteInventors: Chin-Pin Chien, Yu-Yin Peng, Jyh-Chun Chang, Tien-Ho Gau
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Patent number: 7619429Abstract: A probe module which is particularly suitable for testing an LCD panel. The probe module includes a probe base, a plurality of probe pins provided on the probe base, and a high-density circuit interconnection which includes a flexible circuit board that connects the probe pins to a testing apparatus. The tip of each probe pin may have a pointed or tapered configuration, or alternatively, a hemi-spherical configuration.Type: GrantFiled: October 20, 2003Date of Patent: November 17, 2009Assignee: Industrial Technology Research InstituteInventors: Min-Chieh Chou, Jiu-Shu Tasi, Horng-Jee Wang, Ya-Ju Huang, Kun-Chih Pan, Chih-Wei Chen, Jyh-Chun Chang
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Publication number: 20090057048Abstract: An anti-tilt apparatus is provided in the present invention, in which a frame of a vehicle is locked or released for tilt by a locking mechanism controlled according to the vehicle moving status. In addition, the present invention further provides a frame structure of a tilt vehicle wherein the anti-tilt apparatus and an independent suspended wheel set with a tiltable frame are combined together for maintaining certain comfort, good tracking capability and driving safety while the vehicle is moving and swerving. The anti-tilt apparatus of the present invention functions to lock the tiltable frame while the vehicle is operated in low speed or stop and functions to make wheels simultaneously inwardly incline for providing a tilt capability while the vehicle is swerving in high speed so as to increase higher stability and anti-turnover capability of the vehicle.Type: ApplicationFiled: November 7, 2007Publication date: March 5, 2009Inventors: Chin-Pin Chien, Yu-Yin Peng, Jyh-Chun Chang, Tien-Ho Gau
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Publication number: 20070018515Abstract: An air-driven power generating device, comprising: an air-driven portion; a planar magnet, disposed on the air-driven portion and having a plurality of magnetic poles for generating an alternate magnetic field, the planar magnet being driven by the air-driven portion so as to change the alternate magnetic field; a planar coil, disposed apart from the planar magnet for a distance, the planar coil having a plurality of induced regions so as to induce the alternate magnetic field to generate an induced electromotive force (EMF); and a control circuit, electrically connected to the planar coil.Type: ApplicationFiled: July 20, 2005Publication date: January 25, 2007Inventors: Jyh-Chun Chang, Chu-Shu Tsai, Hsiang-Chi Liu, Fuh-Yu Chang
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Patent number: 7057406Abstract: An integrated type probe card includes a circuit space converter having first and second contacts arranged at different density at two sides, probes connected to the contacts at one side of the circuit space converter that are arranged at a high density probes; a spring connector plate, which holds metal spring members in respective receiving holes thereof, a circuit board pressed on the metal spring members against the contacts at the other side of the circuit space converter that are arranged at a low density, and a level adjustment mechanism that accommodates the probes, the circuit space converter, the spring connector plate and the circuit board and enables the user to adjust the level status of the circuit space converter, keeping the circuit space converter electrically connected to the circuit board for transmitting test signal from the probes to the circuit board.Type: GrantFiled: April 13, 2004Date of Patent: June 6, 2006Assignee: Industrial Technology Research InstituteInventors: Jyh-Chun Chang, Horng-Jee Wang, Min-Chieh Chou, Kun-Chih Pan, Ya-Ju Huang, Chu-Shu Tsai, Chih-Wei Chen
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Patent number: 7033059Abstract: A light guide apparatus for enhancing light source utilization efficiency includes a light guide sheet, a light coupling structure and a light emerging structure. The light coupling structure is arranged on a surface of the light guide sheet and opposite to a light source. The light emerging structure is disposed on a surface of light guide sheet. Lights emitted by the light source enters into the light guide sheet via the light coupling structure and evenly emitted to outer environment via said light emerging structure, thereby enhancing light source utilization efficiency.Type: GrantFiled: March 29, 2004Date of Patent: April 25, 2006Assignee: Industrial Technology Research InstituteInventors: Jauh-Jung Yang, Jian-Shian Lin, Po-Hung Yao, Jyh-Chun Chang
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Publication number: 20050174132Abstract: An integrated type probe card includes a circuit space converter having first and second contacts arranged at different density at two sides, probes connected to the contacts at one side of the circuit space converter that are arranged at a high density probes; a spring connector plate, which holds metal spring members in respective receiving holes thereof, a circuit board pressed on the metal spring members against the contacts at the other side of the circuit space converter that are arranged at a low density, and a level adjustment mechanism that accommodates the probes, the circuit space converter, the spring connector plate and the circuit board and enables the user to adjust the level status of the circuit space converter, keeping the circuit space converter electrically connected to the circuit board for transmitting test signal from the probes to the circuit board.Type: ApplicationFiled: April 13, 2004Publication date: August 11, 2005Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Jyh-Chun Chang, Horng-Jee Wang, Min-Chieh Chou, Kun-Chih Pan, Ya-Ju Huang, Chu-Shu Tsai, Chih-Wei Chen
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Publication number: 20050129357Abstract: A light guide apparatus for enhancing light source utilization efficiency includes a light guide sheet, a light coupling structure and a light emerging structure. The light coupling structure is arranged on a surface of the light guide sheet and opposite to a light source. The light emerging structure is disposed on a surface of light guide sheet. Lights emitted by the light source enters into the light guide sheet via the light coupling structure and evenly emitted to outer environment via said light emerging structure, thereby enhancing light source utilization efficiency.Type: ApplicationFiled: March 29, 2004Publication date: June 16, 2005Inventors: Jauh-Jung Yang, Jian-Shian Lin, Po-Hung Yao, Jyh-Chun Chang
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Publication number: 20050083074Abstract: A probe module which is particularly suitable for testing an LCD panel. The probe module includes a probe base, a plurality of probe pins provided on the probe base, and a high-density circuit interconnection which includes a flexible circuit board that connects the probe pins to a testing apparatus. The tip of each probe pin may have a pointed or tapered configuration, or alternatively, a hemi-spherical configuration.Type: ApplicationFiled: October 20, 2003Publication date: April 21, 2005Inventors: Min-Chieh Chou, Jiu-Shu Tasi, Horng-Jee Wang, Ya-Ju Huang, Kun-Chih Pan, Chih-Wei Chen, Jyh-Chun Chang
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Publication number: 20030009986Abstract: In a document delivery method and system, a sending computer is adapted to be operated by a sending party to send out an electronic document. A receiving unit, which is situated at a mail delivery service provider, is operable so as to establish a network connection with the sending computer so as to receive the electronic document therefrom. A printing unit is coupled to the receiving unit, receives the electronic document from the receiving unit, and makes a printed document that corresponds to the electronic document. An enveloping unit is operable so as to wrap the printed document in enveloping material. A conveying unit, which is disposed between the printing unit and the enveloping unit, is responsible for conveying the printed document from the printing unit to the enveloping unit.Type: ApplicationFiled: June 25, 2002Publication date: January 16, 2003Inventors: Jyh-Chun Chang, Hsin-Jang Shieh, Yi-Chih Fan, Hsin-Yih Lin, E-Young Wu