Patents by Inventor Wei-Lun Wan
Wei-Lun Wan 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: 20220124472Abstract: A bluetooth communication method includes: a first communication device establishing bluetooth connection with a second communication device, wherein the first communication device is configured to execute multiple tasks; the first communication device communicating with the second communication device through the bluetooth connection, to allocate at least one task of the multiple tasks to the second communication device for execution; and the first communication device receiving an execution result of the at least one task from the second communication device through the bluetooth connection.Type: ApplicationFiled: December 28, 2021Publication date: April 21, 2022Applicant: MediaTek Singapore Pte. Ltd.Inventors: Wei-Chu Lai, Wei-Lun Wan, FEI KONG
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Patent number: 11234110Abstract: A bluetooth communication method includes: a first communication device establishing bluetooth connection with a second communication device, wherein the first communication device is configured to execute multiple tasks; the first communication device communicating with the second communication device through the bluetooth connection, to allocate at least one task of the multiple tasks to the second communication device for execution; wherein the at least one task includes a scan task; and the first communication device receiving an execution result of the at least one task from the second communication device through the bluetooth connection.Type: GrantFiled: July 31, 2020Date of Patent: January 25, 2022Assignee: MediaTek Singapore Pte. Ltd.Inventors: Wei-Chu Lai, Wei-Lun Wan, Fei Kong
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Publication number: 20210037366Abstract: A bluetooth communication method includes: a first communication device establishing bluetooth connection with a second communication device, wherein the first communication device is configured to execute multiple tasks; the first communication device communicating with the second communication device through the bluetooth connection, to allocate at least one task of the multiple tasks to the second communication device for execution; wherein the at least one task includes a scan task; and the first communication device receiving an execution result of the at least one task from the second communication device through the bluetooth connection.Type: ApplicationFiled: July 31, 2020Publication date: February 4, 2021Inventors: Wei-Chu Lai, Wei-Lun Wan, FEI KONG
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Publication number: 20160330575Abstract: A communication apparatus is provided. An RF module receives an RF signal. An analog down converter down converts the RF signal in response to a band select signal to generate a first converted signal in a specific frequency band. An analog-to-digital converter converts the first converted signal into a digital signal. A digital down converter down converts the digital signal in response to a channel select signal to generate a second converted signal. The channel select signal controls the digital down converter to sweep a plurality of scan trains during a scan frame. Each of the scan trains includes a plurality of channels. The total channel number of the plurality of scan trains is N. A detector determines whether the RF signal includes an ID packet according to the second converted signal corresponding to the channels of the plurality of scan trains.Type: ApplicationFiled: July 15, 2016Publication date: November 10, 2016Inventors: Yuan CHEN, Ting-Che TSENG, Wen-Ying CHIEN, Wei-Lun WAN, Wei-Kun SU, Hong-Kai HSU
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Patent number: 9426742Abstract: A communication apparatus is provided. The communication apparatus includes an RF module for receiving an RF signal, and a down converter, coupled to the RF module, for down converting the RF signal in response to a channel select signal to generate a converted signal. The channel select signal controls the down converter to sweep a plurality of scan trains during a scan frame, and each of the scan trains comprises a plurality of channels, wherein a total channel number of the plurality of scan trains is N, where 32?N?78. The communication apparatus also includes a detector, coupled to the down converter, for determining whether the RF signal comprises an ID packet according to the converted signal corresponding to the channels of the plurality of scan trains.Type: GrantFiled: March 12, 2015Date of Patent: August 23, 2016Assignee: MEDIATEK INC.Inventors: Yuan Chen, Ting-Che Tseng, Wen-Ying Chien, Wei-Lun Wan, Wei-Kun Su, Hong-Kai Hsu
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Publication number: 20150195783Abstract: A communication apparatus is provided. The communication apparatus includes an RF module for receiving an RF signal, and a down converter, coupled to the RF module, for down converting the RF signal in response to a channel select signal to generate a converted signal. The channel select signal controls the down converter to sweep a plurality of scan trains during a scan frame, and each of the scan trains comprises a plurality of channels, wherein a total channel number of the plurality of scan trains is N, where 32?N?78. The communication apparatus also includes a detector, coupled to the down converter, for determining whether the RF signal comprises an ID packet according to the converted signal corresponding to the channels of the plurality of scan trains.Type: ApplicationFiled: March 12, 2015Publication date: July 9, 2015Inventors: Yuan CHEN, Ting-Che TSENG, Wen-Ying CHIEN, Wei-Lun WAN, Wei-Kun SU, Hong-Kai HSU
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Patent number: 9001749Abstract: A communication apparatus is provided. The communication apparatus includes an RF module, a down converter coupled to the RF module and a detector coupled to the down converter. The RF module receives an RF signal. The down converter down converts the RF signal in response to a channel select signal to generate a converted signal, wherein the channel select signal controls the down converter to alternately sweep a plurality of scan trains during a scan frame, and each of the scan trains comprises a plurality of channels. The power detector determines whether the RF signal comprises an ID packet according to the converted signal corresponding to the channels of the plurality of scan trains.Type: GrantFiled: January 17, 2011Date of Patent: April 7, 2015Assignee: MediaTek Inc.Inventors: Yuan Chen, Ting-Che Tseng, Wen-Ying Chien, Wei-Lun Wan, Wei-Kun Su, Hong-Kai Hsu
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Patent number: 8892143Abstract: A communication apparatus is provided. The communications apparatus includes multiple radio modules and a manager. Each of the radio modules is arranged to provide a predetermined wireless communications service in compliance with a predetermined protocol. The manager is arranged to handle a communication indication assessment procedure of the radio modules to obtain an assessment result. The communication indication assessment procedure is performed by at least one of the radio modules, and the assessment result is shared with all of the radio modules.Type: GrantFiled: May 10, 2011Date of Patent: November 18, 2014Assignee: Mediatek Inc.Inventors: Shuo-Jen Hsu, Wei-Lun Wan, Juei-Ting Sun
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Patent number: 8780934Abstract: A method for performing serial transport communication is provided, where the method is utilized for performing communication between a plurality of devices, each of which provides a user with a plurality of wireless communication functions respectively complying with different wireless communication standards. The method includes: with regard to a first wireless communication function of the plurality of wireless communication functions, utilizing a serial transport protocol to perform communication between the plurality of devices through a transport bus; and with regard to a second wireless communication function of the plurality of wireless communication functions, utilizing the serial transport protocol to perform communication between the plurality of devices through the transport bus. An associated device is also provided.Type: GrantFiled: November 1, 2011Date of Patent: July 15, 2014Assignee: Mediatek Inc.Inventors: Wei-Lun Wan, Hsien-Chang Liu, Shuo-Jen Hsu, Chia-Hsuan Chuang, Chih-Hsuan Wang, Juei-Ting Sun
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Patent number: 8428205Abstract: A communications apparatus is provided. A first wireless communications module provides a first wireless communications service and communicates with a first communications device in compliance with a first protocol. A second wireless communications module provides a second wireless communications service and communicates with a second communications device in compliance with a second protocol. A clock source is shared by the first and the second communications modules and provides a reference clock to the first and the second communications modules. The first wireless communications module detects a request from the second wireless communications module for activating the clock source, determines whether the reference clock has been stably generated by the clock source, and adjusts an electrical characteristic of the clock source to facilitate the reference clock output from the clock source to achieve a target frequency when the reference clock has not been stably generated.Type: GrantFiled: March 8, 2010Date of Patent: April 23, 2013Assignee: Mediatek Inc.Inventors: Liang-Cheng Chang, Ming-Jie Yang, Wei-Lun Wan, Juei-Ting Sun, Hong-Kai Hsu, Wei-Ning Chien
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Patent number: 8331273Abstract: A communication method employed in a wireless communication system including a first communication device and a second communication device is provided. The communication method includes: setting up a connection between the first and second communication devices; after the connection is set up, checking if both the first and second communication devices provide a symbol mapping function for converting a first modulation/demodulation to a second modulation/demodulation different from the first modulation/demodulation; and when both the first and second communication devices provide the symbol mapping function, using the second modulation/demodulation to replace the first modulation/demodulation so that each of the first and second communication devices communicates with each other by using the second modulation/demodulation.Type: GrantFiled: March 12, 2010Date of Patent: December 11, 2012Assignee: Mediatek Inc.Inventors: Shun-Pin Yang, Ting-Che Tseng, Chin-Yang Hsieh, Wei-Lun Wan
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Publication number: 20120287772Abstract: A method for performing serial transport communication is provided, where the method is utilized for performing communication between a plurality of devices, each of which provides a user with a plurality of wireless communication functions respectively complying with different wireless communication standards. The method includes: with regard to a first wireless communication function of the plurality of wireless communication functions, utilizing a serial transport protocol to perform communication between the plurality of devices through a transport bus; and with regard to a second wireless communication function of the plurality of wireless communication functions, utilizing the serial transport protocol to perform communication between the plurality of devices through the transport bus. An associated device is also provided.Type: ApplicationFiled: November 1, 2011Publication date: November 15, 2012Inventors: Wei-Lun Wan, Hsien-Chang Liu, Shuo-Jen Hsu, Chia-Hsuan Chuang, Chih-Hsuan Wang, Juei-Ting Sun
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Publication number: 20120289276Abstract: A communication apparatus is provided. The communications apparatus includes multiple radio modules and a manager. Each of the radio modules is arranged to provide a predetermined wireless communications service in compliance with a predetermined protocol. The manager is arranged to handle a communication indication assessment procedure of the radio modules to obtain an assessment result. The communication indication assessment procedure is performed by at least one of the radio modules, and the assessment result is shared with all of the radio modules.Type: ApplicationFiled: May 10, 2011Publication date: November 15, 2012Applicant: Media Tek Inc.Inventors: Shuo-Jen Hsu, Wei-Lun Wan, Juei-Ting Sun
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Patent number: 8156486Abstract: A patching device and method thereof for patching a firmware function by a patch function. When a fetch address from a processor does not correspond to the firmware function, the patching device outputs an instruction of the fetch address to respond to the processor. When the fetch address corresponds to the replaced firmware function, the patching device outputs an artificial instruction to respond to the processor. The artificial instruction is one of series of machine codes corresponding to a plurality of patch intermediary instructions utilized to direct the processor to jump to the beginning address of the patch function.Type: GrantFiled: October 29, 2008Date of Patent: April 10, 2012Assignee: Mediatek Inc.Inventors: Hong-Kai Hsu, Ting-Cheng Hsu, Wei-Lun Wan
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Patent number: 8139553Abstract: An embodiment of a method for link management in a scatternet, performed by a wireless communication device, is provided. The wireless communication device simultaneously establishes a synchronization link in a first piconet, and an asynchronization link in a second piconet. The embodiment of the method contains the following steps. At least one time interval originally utilized for packet transmissions in the synchronization link is sacrificed. During the sacrificed time interval, the asynchronization link is switched to for a time period to maintain connection between the wireless communication device and a peer device operating with the asynchronization link.Type: GrantFiled: January 11, 2008Date of Patent: March 20, 2012Assignee: Mediatek Inc.Inventors: Liang-Cheng Chang, Wei-Lun Wan
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Publication number: 20110255414Abstract: A communication apparatus is provided. The communication apparatus includes an RF module, a down converter coupled to the RF module and a detector coupled to the down converter. The RF module receives an RF signal. The down converter down converts the RF signal in response to a channel select signal to generate a converted signal, wherein the channel select signal controls the down converter to alternately sweep a plurality of scan trains during a scan frame, and each of the scan trains comprises a plurality of channels. The power detector determines whether the RF signal comprises an ID packet according to the converted signal corresponding to the channels of the plurality of scan trains.Type: ApplicationFiled: January 17, 2011Publication date: October 20, 2011Applicant: MEDIATEK INC.Inventors: Yuan Chen, Ting-Che Tseng, Wen-Ying Chien, Wei-Lun Wan, Wei-Kun Su, Hong-Kai Hsu
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Patent number: 7924795Abstract: The invention provides a method for operating an apparatus capable of Bluetooth and Wireless Local Area Network (WLAN)/WiMAX communications. In one embodiment, the apparatus comprises a Bluetooth module, and a WLAN/WiMAX unit comprising a packet traffic arbitration (PTA) module, and a WLAN/WiMAX module. The Bluetooth module sends a request for Bluetooth signal transceiving to be performed in a Bluetooth time slot to the WLAN/WiMAX unit, wherein the request comprises a length information about length of a transceiving time period for Bluetooth signal transceiving. The Bluetooth module then performs an Bluetooth signal transceiving during the transceiving time period of the Bluetooth time slot after the WLAN/WiMAX unit grants the request. The WLAN/WiMAX unit then performs an WLAN/WiMAX signal transceiving during a residual time period of the Bluetooth time slot in response to the length information.Type: GrantFiled: March 31, 2008Date of Patent: April 12, 2011Assignee: Mediatek Inc.Inventors: Wei-Lun Wan, Hong-Kai Hsu, Chung-Shine Huang, Ying-Chi Kuo, Jiun-Jang Su
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Publication number: 20110076945Abstract: A wireless communications module coexisting with a wireless telephony communications module includes a radio frequency (RF) module, a MODEM, a clock generator and distributor and a system control logic. The system control logic issues an external interrupt (EINT) signal to the wireless telephony communications module for activating a clock source via the wireless telephony communications module. When the clock source is activated, the clock generator and distributor receives a reference clock from the activated clock source, converts the reference clock into one or more internal clocks and drives the internal clock or clocks to the RF module and the MODEM for synchronization therebetween.Type: ApplicationFiled: July 27, 2010Publication date: March 31, 2011Applicant: MEDIATEK INC.Inventors: Liang-Cheng Chang, Ming-Jie Yang, Wei-Lun Wan, Juei-Ting Sun, Hong-Kai Hsu, Wei-Ning Chien
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Publication number: 20110075778Abstract: A communications apparatus is provided. A first wireless communications module provides a first wireless communications service and communicates with a first communications device in compliance with a first protocol. A second wireless communications module provides a second wireless communications service and communicates with a second communications device in compliance with a second protocol. A clock source is shared by the first and the second communications modules and provides a reference clock to the first and the second communications modules. The first wireless communications module detects a request from the second wireless communications module for activating the clock source, determines whether the reference clock has been stably generated by the clock source, and adjusts an electrical characteristic of the clock source to facilitate the reference clock output from the clock source to achieve a target frequency when the reference clock has not been stably generated.Type: ApplicationFiled: March 8, 2010Publication date: March 31, 2011Applicant: MEDIATEK INC.Inventors: Liang-Cheng Chang, Ming-Jie Yang, Wei-Lun Wan, Juei-Ting Sun, Hong-Kai Hsu, Wei-Ning Chien
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Publication number: 20110051635Abstract: A communication method employed in a wireless communication system including a first communication device and a second communication device is provided. The communication method includes: setting up a connection between the first and second communication devices; after the connection is set up, checking if both the first and second communication devices provide a symbol mapping function for converting a first modulation/demodulation to a second modulation/demodulation different from the first modulation/demodulation; and when both the first and second communication devices provide the symbol mapping function, using the second modulation/demodulation to replace the first modulation/demodulation so that each of the first and second communication devices communicates with each other by using the second modulation/demodulation.Type: ApplicationFiled: March 12, 2010Publication date: March 3, 2011Inventors: Shun-Pin Yang, Ting-Che Tseng, Chin-Yang Hsieh, Wei-Lun Wan