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公开(公告)号：US20160056786A1
公开(公告)日：2016-02-25
申请号：US14864619
申请日：2015-09-24
CPC classification number: H04R3/00 , H03F3/183 , H03F2200/03 , H03G3/348 , H04R29/004 , H04R2420/03 , H04R2420/05
Abstract: A host device for use with a removable peripheral apparatus having a microphone, and to the biasing circuitry for said microphone. The host device may have a device connector for forming a mating connection with a respective peripheral connector. A source of bias is arranged to supply an electrical bias to a device microphone contact of the device connector via a biasing path. A capacitor is connected between a reference voltage node and a capacitor node of the biasing path. A first switch is located between the capacitor node and the device microphone contact. Detection circuitry detects disconnection of the peripheral connector and device connector; and control circuitry controls the switch to disable the biasing path.
Abstract translation: 用于与具有麦克风的可移动外围设备一起使用的主机设备，以及用于所述麦克风的偏置电路。 主机设备可以具有用于与相应的外围连接器形成配合连接的设备连接器。 偏置源被布置成经由偏置路径向设备连接器的设备麦克风接触件提供电偏压。 电容器连接在参考电压节点和偏置路径的电容器节点之间。 第一个开关位于电容器节点和设备麦克风接点之间。 检测电路检测外围连接器和设备连接器的断开; 并且控制电路控制开关以禁用偏置路径。
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公开(公告)号：US10198386B2
公开(公告)日：2019-02-05
申请号：US15051995
申请日：2016-02-24
Inventor： Robert David Rand , Graeme Gordon MacKay , Andrew James Howlett
Abstract: This application relates to methods and apparatus for transfer of data between a host device (400) and a peripheral device (300) via a USB Type-C connector (100; 304) of the host device. A data controller is described that has a path controller (309, 310; 706) for establishing signal paths between circuitry of the host device and contacts (101) of said USB Type-C connector. The path controller is operable in at least first and second modes. In the first mode the path controller establishes separate signal paths to each of at least first, second, third and fourth contacts (A6, A7, B6, B7) of the USB Type-C connector and a plurality of the established signal paths are for transfer of analog audio data. In the second mode the path controller establishes a pair of signal paths to only a subset of said first to fourth contacts to provide a differential digital data path.
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公开(公告)号：US09661434B2
公开(公告)日：2017-05-23
申请号：US15342232
申请日：2016-11-03
IPC: H04R29/00
CPC classification number: H04R3/00 , H03F3/183 , H03F2200/03 , H03G3/348 , H04R29/004 , H04R2420/03 , H04R2420/05
Abstract: A host device for use with a removable peripheral apparatus having a microphone, and to the biasing circuitry for said microphone. The host device may have a device connector for forming a mating connection with a respective peripheral connector. A source of bias is arranged to supply an electrical bias to a device microphone contact of the device connector via a biasing path. A capacitor is connected between a reference voltage node and a capacitor node of the biasing path. A first switch is located between the capacitor node and the device microphone contact. Detection circuitry detects disconnection of the peripheral connector and device connector; and control circuitry controls the switch to disable the biasing path.
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公开(公告)号：US20160246747A1
公开(公告)日：2016-08-25
申请号：US15051995
申请日：2016-02-24
Inventor： Robert David Rand , Graeme Gordon MacKay , Andrew James Howlett
CPC classification number: G06F13/385 , G06F13/122 , G06F13/382 , G06F13/4022
Abstract: This application relates to methods and apparatus for transfer of data between a host device (400) and a peripheral device (300) via a USB Type-C connector (100; 304) of the host device. A data controller is described that has a path controller (309, 310; 706) for establishing signal paths between circuitry of the host device and contacts (101) of said USB Type-C connector. The path controller is operable in at least first and second modes. In the first mode the path controller establishes separate signal paths to each of at least first, second, third and fourth contacts (A6, A7, B6, B7) of the USB Type-C connector and a plurality of the established signal paths are for transfer of analogue audio data. In the second mode the path controller establishes a pair of signal paths to only a subset of said first to fourth contacts to provide a differential digital data path.
Abstract translation: 本申请涉及通过主机设备的USB Type-C连接器（100; 304）在主机设备（400）和外围设备（300）之间传输数据的方法和装置。 描述了一种数据控制器，其具有用于在主机设备的电路和所述USB C型连接器的触点（101）之间建立信号路径的路径控制器（309,310; 706）。 路径控制器可在至少第一和第二模式中操作。 在第一模式中，路径控制器为USB C型连接器的至少第一，第二，第三和第四触点（A6，A7，B6，B7）中的每一个建立单独的信号路径，并且多个建立的信号路径用于 传输模拟音频数据。 在第二模式中，路径控制器仅建立到所述第一至第四触点的子集的一对信号路径，以提供差分数字数据路径。
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公开(公告)号：US10811826B2
公开(公告)日：2020-10-20
申请号：US15591764
申请日：2017-05-10
Inventor： Andrew James Howlett , Gordon Russell
IPC: H01R13/66 , G06F1/32 , H02H3/20 , H04M19/00 , H02H9/04 , G06F1/3231 , G06F1/3296
Abstract: This application relates to monitoring of electronic devices (100) and in particular to methods and apparatus for the detection and recording of an electrical overstress applied to a connector (101, 102) of the device. The apparatus describes an integrated circuit integrated circuit (103, 105) of the host device having a first set of one or more circuit contacts (201, 203, 204, 205) for connection to a connector (101) of a host electronic device. The circuit has an electrical overstress monitor (106, 106a) for detecting and recording an electrical overstress comprising a voltage exceeding a predetermined parameter applied to at least one of said first set of circuit contacts. The electrical overstress monitor (106) may have an overvoltage detector (205) and may have a memory (206) for recording the occurrence of an overvoltage and/or a communication module (207) for communicating with other components of the host device in the event of an electrical overstress.
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Patent Agency Ranking
公开(公告)号：US09490765B2
公开(公告)日：2016-11-08
申请号：US14864619
申请日：2015-09-24
CPC classification number: H04R3/00 , H03F3/183 , H03F2200/03 , H03G3/348 , H04R29/004 , H04R2420/03 , H04R2420/05
Abstract: A host device for use with a removable peripheral apparatus having a microphone, and to the biasing circuitry for said microphone. The host device may have a device connector for forming a mating connection with a respective peripheral connector. A source of bias is arranged to supply an electrical bias to a device microphone contact of the device connector via a biasing path. A capacitor is connected between a reference voltage node and a capacitor node of the biasing path. A first switch is located between the capacitor node and the device microphone contact. Detection circuitry detects disconnection of the peripheral connector and device connector; and control circuitry controls the switch to disable the biasing path.
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公开(公告)号：US12051876B2
公开(公告)日：2024-07-30
申请号：US17020875
申请日：2020-09-15
Inventor： Andrew James Howlett , Gordon Russell
IPC: G06F1/32 , G06F1/3231 , G06F1/3296 , H01R13/66 , H02H3/20 , H02H9/04 , H04M19/00
CPC classification number: H01R13/6683 , G06F1/3231 , G06F1/3296 , H01R13/6666 , H01R13/6675 , H01R13/6691 , H02H3/202 , H02H9/04 , H04M19/00 , H01R2201/06
Abstract: This application relates to monitoring of electronic devices (100) and in particular to methods and apparatus for the detection and recording of an electrical overstress applied to a connector (101, 102) of the device. The apparatus describes an integrated circuit (103, 105) of the host device having a first set of one or more circuit contacts (201, 203, 204, 205) for connection to a connector (101) of a host electronic device. The circuit has an electrical overstress monitor (106, 106a) for detecting and recording an electrical overstress comprising a voltage exceeding a predetermined parameter applied to at least one of said first set of circuit contacts. The electrical overstress monitor (106) may have an overvoltage detector (205) and may have a memory (206) for recording the occurrence of an overvoltage and/or a communication module (207) for communicating with other components of the host device in the event of an electrical overstress.
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公开(公告)号：US11768787B2
公开(公告)日：2023-09-26
申请号：US16256162
申请日：2019-01-24
Inventor： Robert David Rand , Graeme Gordon Mackay , Andrew James Howlett
CPC classification number: G06F13/385 , G06F13/122 , G06F13/382 , G06F13/4022
Abstract: This application relates to methods and apparatus for transfer of data between a host device (400) and a peripheral device (300) via a USB Type-C connector (100; 304) of the host device. A data controller is described that has a path controller (309, 310; 706) for establishing signal paths between circuitry of the host device and contacts (101) of said USB Type-C connector. The path controller is operable in at least first and second modes. In the first mode the path controller establishes separate signal paths to each of at least first, second, third and fourth contacts (A6, A7, B6, B7) of the USB Type-C connector and a plurality of the established signal paths are for transfer of analogue audio data. In the second mode the path controller establishes a pair of signal paths to only a subset of said first to fourth contacts to provide a differential digital data path.
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公开(公告)号：US10298247B1
公开(公告)日：2019-05-21
申请号：US15919985
申请日：2018-03-13
Inventor： Louis Frew , Kapil Sharma , David Paul Singleton , Andrew James Howlett
Abstract: This application relates to analog-to-digital converter (ADC) circuitry (200). A time-encoding modulator (TEM 201) has a comparator (104) and a loop filter (105) configured to generate a pulse-width-modulated (PWM) signal (SPWM) in response to an input signal (SIN) and a feedback signal (SFB). A controlled oscillator, such as a VCO (202) receives the PWM signal and generates an output oscillation signal (SOSC) with a frequency that varies based on a drive signal at a drive node (109), e.g. a drive node of a ring oscillator (107). The controlled oscillator (202) comprises at least one control switch (112) controlled by a switch control signal (S1) generated from the received PWM signal so as to control the drive strength of the drive signal applied to the drive node (109). The feedback signal (SFB) for the TEM (201) is derived from the controlled oscillator (202) so as to include any timing error between the PWM signal and the switch control signal (S1) applied to said control switch.
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公开(公告)号：US09872103B2
公开(公告)日：2018-01-16
申请号：US15591808
申请日：2017-05-10
CPC classification number: H04R3/00 , H03F3/183 , H03F2200/03 , H03G3/348 , H04R29/004 , H04R2420/03 , H04R2420/05
Abstract: A host device for use with a removable peripheral apparatus having a microphone, and to the biasing circuitry for said microphone. The host device may have a device connector for forming a mating connection with a respective peripheral connector. A source of bias is arranged to supply an electrical bias to a device microphone contact of the device connector via a biasing path. A capacitor is connected between a reference voltage node and a capacitor node of the biasing path. A first switch is located between the capacitor node and the device microphone contact. Detection circuitry detects disconnection of the peripheral connector and device connector; and control circuitry controls the switch to disable the biasing path.
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