Patents by Inventor Hui-chin Wu
Hui-chin 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: 9112601Abstract: Embodiments of the present disclosure provide optical link handshake techniques and configurations. In one embodiment, an optical module includes a laser driver corresponding with a channel of the optical module, a signal detector corresponding with the channel, and a link handshake state machine configured to control the laser driver to generate a connect pulse of a link handshake process to test an optical link between the channel and a corresponding channel of another optical module and monitor the signal detector to detect a connect pulse from the another optical module. Other embodiments may be described and/or claimed.Type: GrantFiled: March 27, 2012Date of Patent: August 18, 2015Assignee: Intel CorporationInventors: Miaobin Gao, Christine M. Krause, Hui-Chin Wu, Hengju Cheng
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Patent number: 8938164Abstract: A system includes two optical modules that perform auto-setting of the optical links between the optical modules. One optical module sends an optical signal with a test pattern to the other optical module. If the receiving module determines that the test pattern is successfully received, it sends a pass indication to the transmitting module, and the transmitting module can configure its driver path in accordance with a transmit current setting used to transmit the test pattern. If the test pattern is not successfully received, the receiving module sends a fail indication, and the transmitting module can increase the transmit current setting and resend the test pattern. When the system includes multiple optical channels, one channel can be tested while feedback is provided on another channel. The system can iterate through all optical channels until they are all configured.Type: GrantFiled: September 28, 2012Date of Patent: January 20, 2015Assignee: Intel CorporationInventors: Miaobin Gao, Christine M. Krause, Hui-Chin Wu, Hengju Cheng
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Patent number: 8913639Abstract: Embodiments of the present disclosure provide laser safety techniques and configurations. In one embodiment, an optical module includes a first die including a laser configured to transmit optical signals, a first node electrically coupled with the laser, and a second node electrically coupled with the laser, and a second die including a power supply line configured to provide power to the laser, a third node electrically coupled with the power supply line and electrically coupled with the first node to provide the power to the laser, a fourth node electrically coupled with the second node of the first die, and a switch configured to prevent the power of the power supply line from reaching the laser through the third node based on a voltage of the fourth node when a laser fault event occurs. Other embodiments may be described and/or claimed.Type: GrantFiled: March 27, 2012Date of Patent: December 16, 2014Assignee: Intel CorporationInventors: Miaobin Gao, Hui-Chin Wu, Christine M. Krause, Hengju Cheng
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Publication number: 20140186046Abstract: Embodiments of the present disclosure provide laser safety techniques and configurations. In one embodiment, an optical module includes a first die including a laser configured to transmit optical signals, a first node electrically coupled with the laser, and a second node electrically coupled with the laser, and a second die including a power supply line configured to provide power to the laser, a third node electrically coupled with the power supply line and electrically coupled with the first node to provide the power to the laser, a fourth node electrically coupled with the second node of the first die, and a switch configured to prevent the power of the power supply line from reaching the laser through the third node based on a voltage of the fourth node when a laser fault event occurs. Other embodiments may be described and/or claimed.Type: ApplicationFiled: March 27, 2012Publication date: July 3, 2014Inventors: Miaobin Gao, Hui-Chin Wu, Christine M. Krause, Hengju Cheng
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Patent number: 8768179Abstract: A power management arrangement for low power optical transceiver such as those that may be integrated into a personal computer or server may periodically put itself into a power conservation or sleep mode which assures the transceiver is available upon wake-up.Type: GrantFiled: March 8, 2012Date of Patent: July 1, 2014Assignee: Intel CorporationInventors: Hui-chin Wu, Miaobin Gao, Hengju Cheng
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Publication number: 20140133846Abstract: Embodiments of the present disclosure provide optical link handshake techniques and configurations. In one embodiment, an optical module includes a laser driver corresponding with a channel of the optical module, a signal detector corresponding with the channel, and a link handshake state machine configured to control the laser driver to generate a connect pulse of a link handshake process to test an optical link between the channel and a corresponding channel of another optical module and monitor the signal detector to detect a connect pulse from the another optical module. Other embodiments may be described and/or claimed.Type: ApplicationFiled: March 27, 2012Publication date: May 15, 2014Inventors: Miaobin Gao, Christine M. Krause, Hui-Chin Wu, Hengju Cheng
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Publication number: 20140093233Abstract: A system includes two optical modules that perform auto-setting of the optical links between the optical modules. One optical module sends an optical signal with a test pattern to the other optical module. If the receiving module determines that the test pattern is successfully received, it sends a pass indication to the transmitting module, and the transmitting module can configure its driver path in accordance with a transmit current setting used to transmit the test pattern. If the test pattern is not successfully received, the receiving module sends a fail indication, and the transmitting module can increase the transmit current setting and resend the test pattern. When the system includes multiple optical channels, one channel can be tested while feedback is provided on another channel. The system can iterate through all optical channels until they are all configured.Type: ApplicationFiled: September 28, 2012Publication date: April 3, 2014Inventors: Miaobin Gao, Christine M. Krause, Hui-Chin Wu, Hengju Cheng
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Patent number: 8331804Abstract: Described is a method and apparatus for generating a mid-level reference signal and for cancelling amplifier offset in an optical communication system without DC-balancing of optical data. The apparatus comprises an optical-to-electrical converter to receive an optical signal and to generate an electrical signal; an amplifier to receive the electrical signal and to generate an output signal based on a reference signal; a feedback mechanism to be enabled during a training phase only and to generate a control signal from the output signal; and a counter logic having a digital-to-analog converter to generate the reference signal based on the control signal.Type: GrantFiled: March 12, 2010Date of Patent: December 11, 2012Assignee: Intel CorporationInventors: Miaobin Gao, Hui-Chin Wu, Christine M. Krause, Hengju Cheng
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Publication number: 20120170941Abstract: A power management arrangement for low power optical transceiver such as those that may be integrated into a personal computer or server may periodically put itself into a power conservation or sleep mode which assures the transceiver is available upon wake-up.Type: ApplicationFiled: March 8, 2012Publication date: July 5, 2012Inventors: HUI-CHIN WU, MIAOBIN GAO, HENGJU CHENG
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Patent number: 8155536Abstract: A power management arrangement for low power optical transceiver such as those that may be integrated into a personal computer or server may periodically put itself into a power conservation or sleep mode which assures the transceiver is available upon wake-up.Type: GrantFiled: December 31, 2008Date of Patent: April 10, 2012Assignee: Intel CorporationInventors: Hui-chin Wu, Miaobin Gao, Hengju Cheng
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Publication number: 20110222860Abstract: Described is a method and apparatus for generating a mid-level reference signal and for cancelling amplifier offset in an optical communication system without DC-balancing of optical data. The apparatus comprises an optical-to-electrical converter to receive an optical signal and to generate an electrical signal; an amplifier to receive the electrical signal and to generate an output signal based on a reference signal; a feedback mechanism to be enabled during a training phase only and to generate a control signal from the output signal; and a counter logic having a digital-to-analog converter to generate the reference signal based on the control signal.Type: ApplicationFiled: March 12, 2010Publication date: September 15, 2011Inventors: Miaobin Gao, Hui-Chin Wu, Christine M. Krause, Hengiu Cheng
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Publication number: 20100166431Abstract: A power management arrangement for low power optical transceiver such as those that may be integrated into a personal computer or server may periodically put itself into a power conservation or sleep mode which assures the transceiver is available upon wake-up.Type: ApplicationFiled: December 31, 2008Publication date: July 1, 2010Inventors: HUI-CHIN WU, Miaobin Gao, Hengju Cheng