Patents by Inventor Chung Lung Chang
Chung Lung 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: 11996630Abstract: An antenna structure includes a ground element, a first radiation element, a second radiation element, a third radiation element, and a nonconductive support element. The first radiation element is coupled to a first grounding point on the ground element. The second radiation element has a feeding point. The second radiation element is adjacent to the first radiation element. The third radiation element is coupled to a second grounding point on the ground element. The third radiation element is adjacent to the second radiation element. The first radiation element, the second radiation element, and the third radiation element are disposed on the nonconductive support element. The second radiation element is at least partially surrounded by the first radiation element. The third radiation element is at least partially surrounded by the second radiation element.Type: GrantFiled: September 2, 2022Date of Patent: May 28, 2024Assignee: QUANTA COMPUTER INC.Inventors: Yu-Chen Zhao, Chung-Ting Hung, Chin-Lung Tsai, Ying-Cong Deng, Kuan-Hsien Lee, Yi-Chih Lo, Kai-Hsiang Chang, Chun-I Cheng, Yan-Cheng Huang
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Patent number: 11996633Abstract: A wearable device includes a ground element, a first radiation element, a second radiation element, a third radiation element, a fourth radiation element, and a fifth radiation element. The first radiation element has a feeding point, and is coupled to a first grounding point on the ground element. A slot region is surrounded by the first radiation element and the ground element. The second radiation element is coupled to a second grounding point on the ground element. The third radiation element is coupled to the second grounding point. The third radiation element and the second radiation element substantially extend in opposite directions. The fourth radiation element and the fifth radiation element are disposed inside the slot region. An antenna structure is formed by the first radiation element, the second radiation element, the third radiation element, the fourth radiation element, and the fifth radiation element.Type: GrantFiled: September 6, 2022Date of Patent: May 28, 2024Assignee: QUANTA COMPUTER INC.Inventors: Chun-I Cheng, Chung-Ting Hung, Chin-Lung Tsai, Kuan-Hsien Lee, Yu-Chen Zhao, Kai-Hsiang Chang
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Publication number: 20240113071Abstract: An integrated circuit package including electrically floating metal lines and a method of forming are provided. The integrated circuit package may include integrated circuit dies, an encapsulant around the integrated circuit dies, a redistribution structure on the encapsulant, a first electrically floating metal line disposed on the redistribution structure, a first electrical component connected to the redistribution structure, and an underfill between the first electrical component and the redistribution structure. A first opening in the underfill may expose a top surface of the first electrically floating metal line.Type: ApplicationFiled: January 5, 2023Publication date: April 4, 2024Inventors: Chung-Shi Liu, Mao-Yen Chang, Yu-Chia Lai, Kuo-Lung Pan, Hao-Yi Tsai, Ching-Hua Hsieh, Hsiu-Jen Lin, Po-Yuan Teng, Cheng-Chieh Wu, Jen-Chun Liao
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Patent number: 10793038Abstract: In certain embodiments, a headrest-integrated entertainment system for a vehicle seat is provided. The headrest system comprises a head support unit adapted to be coupled to the seat of a vehicle; a base member adapted to be securely coupled to the head support unit; a cover panel member configured to enclosingly couple the base member to define a device compartment there-between, and a multimedia system including a display device observably retained in the device compartment. The base member and the cover panel member are securely coupled to each other through a plurality of integrally formed buckle units respectively distributed thereon. In certain embodiments, the cover panel member comprises a rearward facing panel that defines a viewing window for the display device, and a side panel that integrally extends from a lateral flank thereof. The rearward facing panel traverses substantially across a width of the head support unit.Type: GrantFiled: September 22, 2015Date of Patent: October 6, 2020Assignee: VOXX INTERNATIONAL CORPORATIONInventors: Arthur Chang, Chung Lung Chang
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Patent number: 10696238Abstract: In certain embodiments, a mobile entertainment system includes a screen assembly with a display and a signal generating device. A housing pivotally coupled to the screen assembly can have a lower portion, an upper portion, and a housing cavity sized and shaped to receive the screen assembly. The upper portion can receive at least a portion of the signal generating device. At least a portion of the screen assembly can rotate through an opening in the lower portion. A shell can receive the housing.Type: GrantFiled: March 30, 2018Date of Patent: June 30, 2020Assignee: VOXX INTERNATIONAL CORPORATIONInventor: Chung Lung Chang
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Patent number: 10638185Abstract: A mobile video system includes a first video source, a second video source, a first video monitor, a second video monitor, an audio signal receiver, and a wireless transmitter. One of the first video source and the second video source generates a first audiovisual signal. One of the first video monitor and the second video monitor receives a video portion of at least one of the first audiovisual signal and the second audiovisual signal. The wireless transmitter transmits an audio portion of one of the first audiovisual signal or the second audiovisual signal to the audio signal receiver. A video portion of the first audiovisual signal or the second audiovisual signal is displayed on the first video monitor, on the second video monitor, or on both the first video monitor and the second video monitor.Type: GrantFiled: August 31, 2016Date of Patent: April 28, 2020Assignee: VOXX INTERNATIONAL CORPORATIONInventor: Chung Lung Chang
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Patent number: 10616635Abstract: A mobile video system is disclosed. The mobile video system includes: a radio that includes a loudspeaker configured to output a signal received by the radio; a video source that generates an audiovisual signal; and a video monitor configured to receive a video portion of the audiovisual signal. The video monitor includes: a housing sized be positioned within the headrest, the housing comprising a first hinge portion and defining a storage cavity; a screen sized and shaped to be positioned within the storage cavity, the screen structure comprising a second hinge portion configured to cooperate with the first hinge portion to secure the screen structure to the housing; a first transmitter configured to transmit an audiovisual signal to a first receiver, wherein the first receiver is the radio; and a second transmitter configured to transmit the audiovisual signal to a second receiver.Type: GrantFiled: October 9, 2014Date of Patent: April 7, 2020Assignee: VOXX INTERNATIONAL CORPORATIONInventor: Chung Lung Chang
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Patent number: 10556549Abstract: A headrest system and a method of providing the same is disclosed. The headrest system comprises a head support unit adaptable onto a vehicle seat, a fabric member configured to envelope at least a portion of the head support unit, and a plurality of anchor members configured to retain the fabric member in a substantially staple-free fashion. The head support unit includes a pillow portion defining a head supporting surface. The fabric member includes a central portion configured to cover the head supporting surface, and a fringe portion integrally connected around the central portion. The anchor members are arranged at locations opposite to the head supporting surface, and are configured to engage selective parts of the fringe portion, so as to as to stretch the central portion substantially conformally over the head support surface of the pillow portion and substantially retain the fabric member on the head support unit.Type: GrantFiled: July 8, 2015Date of Patent: February 11, 2020Assignee: VOXX INTERNATIONAL CORPORATIONInventors: Chung Lung Chang, Arthur Chang
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Patent number: 10397684Abstract: Wireless speaker systems and methods for synchronous audio playback. Speaker systems can comprise more than one wireless speaker assembly, such as wireless earphones, in serial communication with an audio source device, such as a smartphone. Separate audio rendering by each wireless speaker assembly and synchronization of audio playback by imposing a fixed latency from an output timestamp associated with the audio source data, and rate matching the sample allow for tightly synchronized playback of stereo audio at low latency.Type: GrantFiled: January 5, 2017Date of Patent: August 27, 2019Assignee: VOXX INTERNATIONAL CORPORATIONInventors: Arthur Chang, Chung Lung Chang
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Publication number: 20180222401Abstract: In certain embodiments, a mobile entertainment system includes a screen assembly with a display and a signal generating device. A housing pivotally coupled to the screen assembly can have a lower portion, an upper portion, and a housing cavity sized and shaped to receive the screen assembly. The upper portion can receive at least a portion of the signal generating device. At least a portion of the screen assembly can rotate through an opening in the lower portion. A shell can receive the housing.Type: ApplicationFiled: March 30, 2018Publication date: August 9, 2018Inventor: Chung Lung Chang
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Patent number: 9931996Abstract: In certain embodiments, a mobile entertainment system includes a screen assembly with a display and a signal generating device. A housing pivotally coupled to the screen assembly can have a lower portion, an upper portion, and a housing cavity sized and shaped to receive the screen assembly. The upper portion can receive at least a portion of the signal generating device. At least a portion of the screen assembly can rotate through an opening in the lower portion. A shell can receive the housing.Type: GrantFiled: March 5, 2015Date of Patent: April 3, 2018Assignee: Johnson Safety, Inc.Inventor: Chung Lung Chang
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Publication number: 20170214958Abstract: A mobile video system includes a first video source, a second video source, a first video monitor, a second video monitor, an audio signal receiver, and a wireless transmitter. One of the first video source and the second video source generates a first audiovisual signal. One of the first video monitor and the second video monitor receives a video portion of at least one of the first audiovisual signal and the second audiovisual signal. The wireless transmitter transmits an audio portion of one of the first audiovisual signal or the second audiovisual signal to the audio signal receiver. A video portion of the first audiovisual signal or the second audiovisual signal is displayed on the first video monitor, on the second video monitor, or on both the first video monitor and the second video monitor.Type: ApplicationFiled: August 31, 2016Publication date: July 27, 2017Applicant: Johnson Safety, Inc.Inventor: Chung Lung Chang
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Publication number: 20170195769Abstract: Wireless speaker systems and methods for synchronous audio playback. Speaker systems can comprise more than one wireless speaker assembly, such as wireless earphones, in serial communication with an audio source device, such as a smartphone. Separate audio rendering by each wireless speaker assembly and synchronization of audio playback by imposing a fixed latency from an output timestamp associated with the audio source data, and rate matching the sample allow for tightly synchronized playback of stereo audio at low latency.Type: ApplicationFiled: January 5, 2017Publication date: July 6, 2017Applicant: Johnson Safety, Inc.Inventors: Arthur Chang, Chung Lung Chang
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Publication number: 20170080876Abstract: In certain embodiments, a headrest-integrated entertainment system for a vehicle seat is provided. The headrest system comprises a head support unit adapted to be coupled to the seat of a vehicle; a base member adapted to be securely coupled to the head support unit; a cover panel member configured to enclosingly couple the base member to define a device compartment there-between, and a multimedia system including a display device observably retained in the device compartment. The base member and the cover panel member are securely coupled to each other through a plurality of integrally formed buckle units respectively distributed thereon. In certain embodiments, the cover panel member comprises a rearward facing panel that defines a viewing window for the display device, and a side panel that integrally extends from a lateral flank thereof. The rearward facing panel traverses substantially across a width of the head support unit.Type: ApplicationFiled: September 22, 2015Publication date: March 23, 2017Inventors: Arthur Chang, Chung Lung Chang
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Publication number: 20170008434Abstract: A headrest system and a method of providing the same is disclosed. The headrest system comprises a head support unit adaptable onto a vehicle seat, a fabric member configured to envelope at least a portion of the head support unit, and a plurality of anchor members configured to retain the fabric member in a substantially staple-free fashion. The head support unit includes a pillow portion defining a head supporting surface. The fabric member includes a central portion configured to cover the head supporting surface, and a fringe portion integrally connected around the central portion. The anchor members are arranged at locations opposite to the head supporting surface, and are configured to engage selective parts of the fringe portion, so as to as to stretch the central portion substantially conformally over the head support surface of the pillow portion and substantially retain the fabric member on the head support unit.Type: ApplicationFiled: July 8, 2015Publication date: January 12, 2017Inventors: Chung Lung Chang, Arthur Chang
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Publication number: 20150264421Abstract: A mobile video system includes a first video source, a second video source, a first video monitor, a second video monitor, an audio signal receiver, and a wireless transmitter. One of the first video source and the second video source generates a first audiovisual signal. One of the first video monitor and the second video monitor receives a video portion of at least one of the first audiovisual signal and the second audiovisual signal. The wireless transmitter transmits an audio portion of one of the first audiovisual signal or the second audiovisual signal to the audio signal receiver. A video portion of the first audiovisual signal or the second audiovisual signal is displayed on the first video monitor, on the second video monitor, or on both the first video monitor and the second video monitor.Type: ApplicationFiled: October 23, 2014Publication date: September 17, 2015Applicant: Johnson Safety, Inc.Inventor: Chung Lung Chang
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Publication number: 20150175087Abstract: In certain embodiments, a mobile entertainment system includes a screen assembly with a display and a signal generating device. A housing pivotally coupled to the screen assembly can have a lower portion, an upper portion, and a housing cavity sized and shaped to receive the screen assembly. The upper portion can receive at least a portion of the signal generating device. At least a portion of the screen assembly can rotate through an opening in the lower portion. A shell can receive the housing.Type: ApplicationFiled: March 5, 2015Publication date: June 25, 2015Inventor: Chung Lung Chang
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Patent number: 9004588Abstract: In certain embodiments, a mobile entertainment system includes a screen assembly with a display and a signal generating device. A housing pivotally coupled to the screen assembly can have a lower portion, an upper portion, and a housing cavity sized and shaped to receive the screen assembly. The upper portion can receive at least a portion of the signal generating device. At least a portion of the screen assembly can rotate through an opening in the lower portion. A shell can receive the housing.Type: GrantFiled: May 1, 2013Date of Patent: April 14, 2015Assignee: Johnson Safety, IncInventor: Chung Lung Chang
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Publication number: 20150026738Abstract: A mobile video system is disclosed. The mobile video system includes: a radio that includes a loudspeaker configured to output a signal received by the radio; a video source that generates an audiovisual signal; and a video monitor configured to receive a video portion of the audiovisual signal. The video monitor includes: a housing sized be positioned within the headrest, the housing comprising a first hinge portion and defining a storage cavity; a screen sized and shaped to be positioned within the storage cavity, the screen structure comprising a second hinge portion configured to cooperate with the first hinge portion to secure the screen structure to the housing; a first transmitter configured to transmit an audiovisual signal to a first receiver, wherein the first receiver is the radio; and a second transmitter configured to transmit the audiovisual signal to a second receiver.Type: ApplicationFiled: October 9, 2014Publication date: January 22, 2015Inventor: Chung Lung Chang
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Patent number: 8893193Abstract: A mobile video system includes a first video source, a second video source, a first video monitor, a second video monitor, an audio signal receiver, and a wireless transmitter. One of the first video source and the second video source generates a first audiovisual signal. One of the first video monitor and the second video monitor receives a video portion of at least one of the first audiovisual signal and the second audiovisual signal. The wireless transmitter transmits an audio portion of one of the first audiovisual signal or the second audiovisual signal to the audio signal receiver. A video portion of the first audiovisual signal or the second audiovisual signal is displayed on the first video monitor, on the second video monitor, or on both the first video monitor and the second video monitor.Type: GrantFiled: April 8, 2013Date of Patent: November 18, 2014Assignee: Johnson Safety, Inc.Inventor: Chung Lung Chang