Patents by Inventor Ching-Yi Wu
Ching-Yi Wu 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: 12105662Abstract: A chip includes a peripheral component interconnect express (PCIe) switch, a dual-mode device, and a signal transmission control circuit. The PCIe switch includes a first downstream port. The dual-mode device switches between a root complex (RC) mode and an endpoint (EP) mode. The signal transmission control circuit is coupled between the PCIe switch and the dual-mode device. The first downstream port communicates with the dual-mode device operating under the EP mode. The signal transmission control circuit allows an external PCIe device to communicate with the dual-mode device operating under the RC mode.Type: GrantFiled: September 28, 2023Date of Patent: October 1, 2024Assignee: MEDIATEK INC.Inventor: Ching-Yi Wu
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Publication number: 20240020263Abstract: A chip includes a peripheral component interconnect express (PCIe) switch, a dual-mode device, and a signal transmission control circuit. The PCIe switch includes a first downstream port. The dual-mode device switches between a root complex (RC) mode and an endpoint (EP) mode. The signal transmission control circuit is coupled between the PCIe switch and the dual-mode device. The first downstream port communicates with the dual-mode device operating under the EP mode. The signal transmission control circuit allows an external PCIe device to communicate with the dual-mode device operating under the RC mode.Type: ApplicationFiled: September 28, 2023Publication date: January 18, 2024Applicant: MEDIATEK INC.Inventor: Ching-Yi Wu
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Patent number: 11803503Abstract: A chip includes a peripheral component interconnect express (PCIe) switch, a dual-mode device, and a signal transmission control circuit. The PCIe switch includes a first downstream port. The dual-mode device switches between a root complex (RC) mode and an endpoint (EP) mode. The signal transmission control circuit is coupled between the PCIe switch and the dual-mode device. The first downstream port communicates with the dual-mode device operating under the EP mode. The signal transmission control circuit allows an external PCIe device to communicate with the dual-mode device operating under the RC mode.Type: GrantFiled: October 5, 2021Date of Patent: October 31, 2023Assignee: MEDIATEK INC.Inventor: Ching-Yi Wu
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Publication number: 20230010918Abstract: A chip includes a peripheral component interconnect express (PCIe) switch, a dual-mode device, and a signal transmission control circuit. The PCIe switch includes a first downstream port. The dual-mode device switches between a root complex (RC) mode and an endpoint (EP) mode. The signal transmission control circuit is coupled between the PCIe switch and the dual-mode device. The first downstream port communicates with the dual-mode device operating under the EP mode. The signal transmission control circuit allows an external PCIe device to communicate with the dual-mode device operating under the RC mode.Type: ApplicationFiled: October 5, 2021Publication date: January 12, 2023Applicant: MEDIATEK INC.Inventor: Ching-Yi Wu
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Patent number: 10790611Abstract: A telecommunication box connector with a protective outer shield includes a connector main body and a protective outer shield covering onto the connector main body. The connector main body includes a first external connecting portion. The protective outer shield includes a shield member, a second connecting portion protruding out of the shield member and an inner connecting portion formed inside the shield member. The protective outer shield is connected to the first outer connecting portion via the inner connecting portion in order to cover and protect the connector main body. The protective outer shield is installed onto an installation portion of a telecommunication box via the second outer connecting portion. Consequently, it is able to cover and protect the connector main body from damages due to cold weather while maintaining the overall weight with a slight increase only.Type: GrantFiled: May 8, 2019Date of Patent: September 29, 2020Assignee: GRAND-TEK TECHNOLOGY CO., LTD.Inventors: Chyi-Jia Huang, Chun-Chien Chueh, Yi-Chan Wu, Ching-Yi Wu
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Patent number: 10047871Abstract: A valve device comprises a body, a rotating valve set and a safety valve set. The body comprises an inner space, a first opening and a second opening. When the rotating valve set is located in a water-providing position, the inner space, the first opening and the second opening are communicable. When water pressure is higher than a safe pressure, the safety valve set and the rotating valve set can block the first opening and the second opening that safe pressure is maintained at the second opening. When water pressure becomes normal, the safety valve set is moved to its original position. Therefore, it has a piston-typed safety valve set is highly reliable. It has a coaxial structure to reduce its volume. It has an engaging and hooking structure for precise and easy assembly. It has an opening and/or closing function for its valve body with wide range of applications.Type: GrantFiled: July 1, 2016Date of Patent: August 14, 2018Assignee: PURICOM WATER INDUSTRIAL CORPORATIONInventors: Chung-Hsiang Yang, Ching-Yi Wu
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Publication number: 20170002942Abstract: A valve device comprises a body, a rotating valve set and a safety valve set. The body comprises an inner space, a first opening and a second opening. When the rotating valve set is located in a water-providing position, the inner space, the first opening and the second opening are communicable. When water pressure is higher than a safe pressure, the safety valve set and the rotating valve set can block the first opening and the second opening that safe pressure is maintained at the second opening. When water pressure becomes normal, the safety valve set is moved to its original position. Therefore, it has a piston-typed safety valve set is highly reliable. It has a coaxial structure to reduce its volume. It has an engaging and hooking structure for precise and easy assembly. It has an opening and/or closing function for its valve body with wide range of applications.Type: ApplicationFiled: July 1, 2016Publication date: January 5, 2017Inventors: CHUNG-HSIANG YANG, CHING-YI WU
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Patent number: 9275258Abstract: This invention discloses a verifying system and method thereof. The verifying system comprises a plurality of objects to be verified and a verifying end. Each of the objects to be verified respectively comprises an identifying code. The verifying end has a database, and the database stores a plurality records of information of the objects respectively corresponding to each of the indentifying codes. When a user utilizes an electronic device to read one of the indentifying codes for making the electronic device connect to the verifying end, the verifying end compares the identifying code with the plurality records of information of the objects to generate an information of verification results which is then transmitted back to the electronic device. Herewith the effect of the present invention being verifying authenticity of the object by the indentifying code is achieved.Type: GrantFiled: April 30, 2013Date of Patent: March 1, 2016Assignees: PRICEPLAY TAIWAN INC., CERAMICRO TECHNOLOGY CORP.Inventors: Ming-Huang Tseng, Ching-Yi Wu, Daniel Shih
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Publication number: 20150115361Abstract: A lateral diffused N-type metal oxide semiconductor device includes a semiconductor substrate, an epi-layer on the semiconductor substrate, a patterned isolation layer on the epi-layer, a N-type double diffused drain (NDDD) region in a first active region of the patterned isolation layer, a N+ heavily doped drain region disposed in the NDDD region, a P-body diffused region disposed in a second active region of the patterned isolation layer, a neighboring pair of a N+ heavily doped source region and a P+ heavily doped source region disposed in the P-body diffused region, a first gate structure disposed above a channel region of the patterned isolation layer and a second gate structure disposed above the second active region. The second gate structure and the first gate structure are spaced at a predetermined distance.Type: ApplicationFiled: October 30, 2013Publication date: April 30, 2015Applicants: Himax Technologies Limited, National Chiao Tung University, Himax Analogic, Inc.Inventors: Chao-Yuan Su, Ching-Yi Wu, Hung-Bin Chen, Chun-Yen Chang
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Publication number: 20150115362Abstract: A lateral diffused N-type metal oxide semiconductor device includes a semiconductor substrate, an epi-layer on the semiconductor substrate, a patterned isolation layer on the epi-layer, a N-type double diffused drain (NDDD) region in a first active region of the patterned isolation layer, a N+ heavily doped drain region disposed in the NDDD region, a P-body diffused region disposed in a second active region of the patterned isolation layer, a neighboring pair of a N+ heavily doped source region and a P+ heavily doped source region disposed in the P-body diffused region, a first gate structure disposed above a channel region of the patterned isolation layer and a second gate structure disposed above the second active region. The second gate structure and the first gate structure are spaced at a predetermined distance. A making method of the NDDD region includes using an ion implant and an epitaxy layer doping.Type: ApplicationFiled: June 13, 2014Publication date: April 30, 2015Inventors: Chao-Yuan Su, Ching-Yi Wu, Hung-Bin Chen, Chun-Yen Chang
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Patent number: 8727209Abstract: A verifying system includes an object to be verified and a verifying end. The object to be verified includes an identifying code covered with a one-time removable and opaque shielding layer, and an object tag is disposed on the shielding layer, the object tag corresponding to the identifying code. The verifying end includes a database storing object information corresponding to the identifying code. After the shielding layer is removed to expose the identifying code, and an electronic device is utilized to read the identifying code, the electronic device connects to the verifying end in accordance with the identifying code, so that the verifying end compares the identifying code with the object information, so as to generate a verifying information and transmit the verifying information to the electronic device.Type: GrantFiled: April 26, 2013Date of Patent: May 20, 2014Assignee: dadny, Inc.Inventors: Daniel Shih, Ching-Yi Wu
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Publication number: 20140111305Abstract: This invention discloses a verifying system and method thereof. The verifying system comprises a plurality of objects to be verified and a verifying end. Each of the objects to be verified respectively comprises an identifying code. The verifying end has a database, and the database stores a plurality records of information of the objects respectively corresponding to each of the indentifying codes. When a user utilizes an electronic device to read one of the indentifying codes for making the electronic device connect to the verifying end, the verifying end compares the identifying code with the plurality records of information of the objects to generate an information of verification results which is then transmitted back to the electronic device. Herewith the effect of the present invention being verifying authenticity of the object by the indentifying code is achieved.Type: ApplicationFiled: April 30, 2013Publication date: April 24, 2014Applicants: CeraMicro Technology Corp, DADNY INCInventors: MING-HUANG TSENG, CHING-YI WU, DANIEL SHIH
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Patent number: 8332608Abstract: For decreasing seeks generated when switching an execution flow between commands to enhance read and write performances of a disc drive, a command is implemented with a specifically-designed data structure, and commands having neighboring physical addresses and the same type of read or write operations are grouped and linked together. With the aid of command groups, seeks between commands are significantly decreased, though starvation may arise. A few techniques are further provided for preventing starvation of command groups and for preserving the benefits of decreasing seeks.Type: GrantFiled: September 19, 2008Date of Patent: December 11, 2012Assignee: Mediatek Inc.Inventors: Ching-Yi Wu, Pao-Ching Tseng, Jih-Liang Juang
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Patent number: 7768212Abstract: An LED driver circuit and its control circuit for controlling its power switch are provided. The LED driver includes a switch, a PWM controller, a current source and a signal controller. The switch has a first end outputting a driving voltage to at least one LED. The PWM controller provides a PWM signal. The current source provides a driving current flowing through the LED when a dimming control signal is asserted. The signal controller turns off the switch when the dimming control signal is de-asserted and relays the PWM signal from the PWM controller to the switch so that the switch is controlled by the PWM signal when the dimming control signal is asserted.Type: GrantFiled: April 15, 2008Date of Patent: August 3, 2010Assignee: Himax Analogic, Inc.Inventors: Kai-Ji Chen, Ching-Yi Wu
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Publication number: 20100120263Abstract: The present invention relates a microwave activation annealing process, which includes: the providing of a semiconductor process to form a semiconductor device on a substrate; activation: using a microwave device to perform microwave activation on the semiconductor device with frequency in the range of 2.45 GHz and 24.15 GHz and temperature in the range of 100° C. and 600° C.; annealing: using the microwave device to perform microwave annealing on the semiconductor device with frequency in the range 2.45 GHz to 24.15 GHz and temperature in the range 100° C. to 600° C.; by doing so, the present invention can, in the premise without the destruction of material property and structural interface and be able to shorten process time and enhance heating homogeneity, achieve the objective of activation annealing, hence, it can solve the defects caused by the heat treatment technique of prior art high temperature activation annealing.Type: ApplicationFiled: December 24, 2008Publication date: May 13, 2010Inventors: Fu-Kuo HSUEH, Yao-Jen Lee, Ching-Yi Wu
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Publication number: 20100077175Abstract: For decreasing seeks generated when switching an execution flow between commands to enhance read and write performances of a disc drive, a command is implemented with a specifically-designed data structure, and commands having neighboring physical addresses and the same type of read or write operations are grouped and linked together. With the aid of command groups, seeks between commands are significantly decreased, though starvation may arise. A few techniques are further provided for preventing starvation of command groups and for preserving the benefits of decreasing seeks.Type: ApplicationFiled: September 19, 2008Publication date: March 25, 2010Inventors: Ching-Yi Wu, Pao-Ching Tseng, Jih-Liang Juang
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Publication number: 20090243706Abstract: A voltage regulated charge pump includes a charge pump circuit for receiving an input voltage to generate an output voltage, in which the charge pump circuit further includes a capacitor, a first switch and a second switch. The first switch is coupled between the input voltage and a first end of the capacitor. The second switch is coupled to the first end of the capacitor. The first and second switch are non-simultaneously turned on, so that the capacitor is charged to generate the output voltage. The voltage regulated charge pump further includes a third switch and a voltage regulating circuit. The third switch is coupled to the charge pump circuit. The voltage regulating circuit has an input receiving the output voltage and an output coupled to the third switch. The voltage regulating circuit modulates the third switch for regulating the output voltage generated by the charge pump circuit.Type: ApplicationFiled: March 31, 2008Publication date: October 1, 2009Inventors: Ching-Wei Hsueh, Ching-Yi Wu
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Publication number: 20090230881Abstract: An LED driver circuit and its control circuit for controlling its power switch are provided. The LED driver includes a switch, a PWM controller, a current source and a signal controller. The switch has a first end outputting a driving voltage to at least one LED. The PWM controller provides a PWM signal. The current source provides a driving current flowing through the LED when a dimming control signal is asserted. The signal controller turns off the switch when the dimming control signal is de-asserted and relays the PWM signal from the PWM controller to the switch so that the switch is controlled by the PWM signal when the dimming control signal is asserted.Type: ApplicationFiled: April 15, 2008Publication date: September 17, 2009Applicant: HIMAX ANALOGIC, INC.Inventors: Kai-Ji Chen, Ching-Yi Wu
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Patent number: 7540647Abstract: A medical inspection device. A housing includes a transparent plate. A circuit board is disposed in the housing. At least one light-emitting element is disposed on and electrically connected to the circuit board. The light-emitting element is opposite to the transparent plate. Light from the light-emitting element is output to the exterior of the housing through the transparent plate. An image sensor is disposed on and electrically connected to the circuit board. The image sensor is opposite to the transparent plate. An image in the exterior of the housing is received by the image sensor through the transparent plate and converted into an image signal thereby. A grip is detachably connected to the housing. A signal transmission line is detachably connected to the circuit board and fit in the grip and extends to the exterior of the grip, outputting the image signal.Type: GrantFiled: March 20, 2007Date of Patent: June 2, 2009Assignee: Industrial Technology Research InstituteInventors: Kun-Feng Lee, Ching-Yi Wu, Yu-Shih Chen, Yuh-Jiuan Lin, Hsi Feng Kao
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Publication number: 20080317692Abstract: The present invention provides a novel compound and a method of using the compound to inactivate tyrosinase activity in a subject comprising administering the patient with an effective amount of this novel compound.Type: ApplicationFiled: June 25, 2007Publication date: December 25, 2008Applicants: SUSTINEO BIOTECHNOLOGY CO., LTDInventors: Te-Sheng Chang, Ching-Yi Wu