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1.发明授权公开(公告)号：US11374600B1
公开(公告)日：2022-06-28
申请号：US17160835
申请日：2021-01-28
Applicant: Silicon Laboratories Inc.
Inventor： Thomas Saroshan David , Michael Johnson , Paul Zavalney
Abstract: In one example, an apparatus includes: a radio frequency (RF) receiver to receive an RF signal; a media access control (MAC) circuit to receive data and output MAC-processed data according to a clock signal that is phase delayed with respect to a source clock signal when the RF receiver is active; and an interference mitigation circuit to receive the MAC-processed data and provide the MAC-processed data to a physical circuit resynchronized to the source clock signal.
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2.发明授权公开(公告)号：US10256199B2
公开(公告)日：2019-04-09
申请号：US15644451
申请日：2017-07-07
Applicant: Silicon Laboratories Inc.
Inventor： Javier Elenes , Michael Johnson , John Khoury
Abstract: An integrated circuit includes an energy detection circuit, a switching circuit, and a tamper response circuit. The integrated circuit has an input for receiving a radio frequency (RF) signal, a first output for providing a demodulated signal, and a second output for selectively providing a detect signal. The detect signal is provided in response to detecting that an energy of an internal signal exceeds a first threshold when the integrated circuit is in a secure mode. The switching circuit is used to alternatively switch the input of the energy detection circuit to an RF input terminal in a normal mode and to an internal antenna in a secure mode. The tamper response circuit disables a function of the integrated circuit in response to an activation of the detect signal in the secure mode.
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Patent Agency Ranking
3.发明申请公开(公告)号：US20190013281A1
公开(公告)日：2019-01-10
申请号：US15644451
申请日：2017-07-07
Applicant: Silicon Laboratories Inc.
Inventor： Javier Elenes , Michael Johnson , John Khoury
Abstract: An integrated circuit includes an energy detection circuit, a switching circuit, and a tamper response circuit. The integrated circuit has an input for receiving a radio frequency (RF) signal, a first output for providing a demodulated signal, and a second output for selectively providing a detect signal. The detect signal is provided in response to detecting that an energy of an internal signal exceeds a first threshold when the integrated circuit is in a secure mode. The switching circuit is used to alternatively switch the input of the energy detection circuit to an RF input terminal in a normal mode and to an internal antenna in a secure mode. The tamper response circuit disables a function of the integrated circuit in response to an activation of the detect signal in the secure mode.
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公开(公告)号：US09787388B1
公开(公告)日：2017-10-10
申请号：US15086248
申请日：2016-03-31
Applicant: Silicon Laboratories Inc.
Inventor： Russell Croman , Nebojsa Stanic , Michael Johnson , Dan B. Kasha , Michael R. May
CPC classification number: H04B7/08 , H04B1/0064 , H04B1/0075 , H04B1/16
Abstract: In an example, a method includes: in a first mode, causing a first tuner of an entertainment system to receive and process a first RF signal from a first antenna configured for a first band to output a first audio signal of a first radio station and causing a second tuner of the entertainment system to receive a second RF signal from a second antenna configured for the first band to determine signal quality metrics for one or more radio stations of the first band; in a second mode, causing the first tuner to output a first signal representation of the first RF signal and causing the second tuner to receive and process the second RF signal to output a second signal representation of the second RF signal; and causing a phase diversity combining circuit to process the first and second signal representations to output an audio signal of the first radio station, without disruption of output from the entertainment system of a broadcast of the first radio station.
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公开(公告)号：US20170288764A1
公开(公告)日：2017-10-05
申请号：US15086248
申请日：2016-03-31
Applicant: Silicon Laboratories Inc.
Inventor： Russell Croman , Nebojsa Stanic , Michael Johnson , Dan B. Kasha , Michael R. May
CPC classification number: H04B7/08 , H04B1/0064 , H04B1/0075 , H04B1/16
Abstract: In an example, a method includes: in a first mode, causing a first tuner of an entertainment system to receive and process a first RF signal from a first antenna configured for a first band to output a first audio signal of a first radio station and causing a second tuner of the entertainment system to receive a second RF signal from a second antenna configured for the first band to determine signal quality metrics for one or more radio stations of the first band; in a second mode, causing the first tuner to output a first signal representation of the first RF signal and causing the second tuner to receive and process the second RF signal to output a second signal representation of the second RF signal; and causing a phase diversity combining circuit to process the first and second signal representations to output an audio signal of the first radio station, without disruption of output from the entertainment system of a broadcast of the first radio station.
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公开(公告)号：US10128930B2
公开(公告)日：2018-11-13
申请号：US15710967
申请日：2017-09-21
Applicant: Silicon Laboratories Inc.
Inventor： Russell Croman , Nebojsa Stanic , Michael Johnson , Dan B. Kasha , Michael R. May
Abstract: In an example, a method includes: in a first mode, causing a first tuner of an entertainment system to receive and process a first RF signal from a first antenna configured for a first band to output a first audio signal of a first radio station and causing a second tuner of the entertainment system to receive a second RF signal from a second antenna configured for the first band to determine signal quality metrics for one or more radio stations of the first band; in a second mode, causing the first tuner to output a first signal representation of the first RF signal and causing the second tuner to receive and process the second RF signal to output a second signal representation of the second RF signal; and causing a phase diversity combining circuit to process the first and second signal representations to output an audio signal of the first radio station, without disruption of output from the entertainment system of a broadcast of the first radio station.
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公开(公告)号：US20180026701A1
公开(公告)日：2018-01-25
申请号：US15710967
申请日：2017-09-21
Applicant: Silicon Laboratories Inc.
Inventor： Russell Croman , Nebojsa Stanic , Michael Johnson , Dan B. Kasha , Michael R. May
CPC classification number: H04B7/08 , H04B1/0064 , H04B1/0075 , H04B1/16
Abstract: In an example, a method includes: in a first mode, causing a first tuner of an entertainment system to receive and process a first RF signal from a first antenna configured for a first band to output a first audio signal of a first radio station and causing a second tuner of the entertainment system to receive a second RF signal from a second antenna configured for the first band to determine signal quality metrics for one or more radio stations of the first band; in a second mode, causing the first tuner to output a first signal representation of the first RF signal and causing the second tuner to receive and process the second RF signal to output a second signal representation of the second RF signal; and causing a phase diversity combining circuit to process the first and second signal representations to output an audio signal of the first radio station, without disruption of output from the entertainment system of a broadcast of the first radio station.
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