A method to enable a vehicle's embedded USB Host system to connect to multiple mobile devices through a USB Hub, regardless of whether the mobile devices are configured to function as USB Hosts or USB Devices, without USB On the Go (OTG) controllers or additional vehicle wiring or inhibiting the functionality of any consumer devices connected to the same USB Hub. Preferably, the method is configured to provide no additional cabling or hardware changes to accommodate this capability. The method can be employed between a vehicle's embedded USB Host, USB Hub and at least one consumer accessible USB port. When the consumer device is acting as a USB Host, signals between the consumer device and the vehicle's embedded USB Host are processed through a USB bridge, thereby rendering the consumer device compatible with the vehicle's embedded USB Host.

A hardware device, inserted in a universal serial bus port of a computing device, is detected. A counter is set to an initial value of one. In response to determining that one or more device descriptors associated with the hardware device are not received by the computing device within a predetermined time period, the hardware device is prevented from discharging a high-voltage charge into the computing device by inhibiting the hardware device from storing the high-voltage charge in a capacitor of the hardware device.

There are provided a printing section that performs printing on a medium; a control section that controls drive of the printing section; a power supply connector that supplies electric power to the control section; a first receptacle connector that is electrically coupled to a first external device and configured to cause the first external device to communicate with the control section; and a second receptacle connector that is electrically coupled to a second external device and configured to cause the second external device to communicate with the control section, a plug of a USB-Type-C cable is configured to be physically inserted into the second receptacle connector, the plug is configured not to be physically inserted into the power supply connector, and the power supply connector is arranged between the first receptacle connector and the second receptacle connector.

Embodiments herein relate to a universal serial bus (USB) host system that is configured to perform port orientation identification and/or configuration lane identification. Specifically, the USB host system may include a USB Type-C port configured to communicate in accordance with the USB 3.2 protocol. The described identifications may be performed without the use of a power delivery (PD) and/or Type-C port controller (TCPC) module. Other embodiments may be described and claimed.

Systems and methods to implement a USB and Thunderbolt optical signal transceiver are described. One method includes detecting presence of a USB sideband signal received over an optical communication channel and associated with a USB communication request. Responsive to the detecting, the method may determine that the USB communication request corresponds to a USB communication mode and perform a sideband negotiation. The USB communication mode may be enabled. A specified number of channels associated with the USB communication request may be determined. USB communication may be performed using the specified number of channels over the optical communication channel in the USB communication mode.

Provided are a terminal, a terminal peripheral, a signal transmission system, and a signal sending and receiving method. The terminal includes: a first audio module, which is connected to the USB receptacle in a terminal through an I2S bus channel and is configured to send a signal to be sent to a USB receptacle; the USB receptacle is configured to provide a physical connection interface between the terminal and a terminal peripheral.

The electronic apparatus of the present invention includes: a power source control unit allocated to each of a plurality of external interfaces and configured to control supply or shutoff of a current for an external device and to output whether or not an overcurrent is detected as an overcurrent detection signal; a control unit configured to control supply or shutoff of a current; a logical product circuit that outputs a logical product of the overcurrent detection signals as an external interrupt signal; and an interface control unit configured to, in a case where the overcurrent detection signals is asserted, output external interface information specifying an external interface at which the overcurrent has occurred, and the control unit, in a case where the external interrupt signal is asserted, controls to the power source control unit at which the overcurrent has been detected so as to shut off supply of power.

In one embodiment, a microkernel of an operating system executing on a computing system receives, from an application, a first system call requesting to communicate with a service registry. The first system call being associated with an operation request. The microkernel sends a first instruction to the service registry. The microkernel receives, from the service registry, a second system call requesting to communicate with at least one of an application service or a protocol service. The second system call being associated with the operation request. The microkernel sends a second instruction to at least one of the application service or the protocol service. The microkernel receives, from at least one of the application service or the protocol service, a third system call requesting to communicate with a driver service. The third system call being associated with the operation request. The microkernel sends a third instruction to the driver service.

An image processing chip includes a first interface port, a second interface port, a first upstream facing port (UFP) physical layer module, a first configuration channel detection module, a second upstream facing port (UFP) physical layer module, a second configuration channel detection module, a display signal processing module, a USB signal processing module, an image signal output port and a USB signal output port. The first configuration channel detection module is coupled to the first interface port through a first configuration channel pair, and configured to, after being communicated through a USB specification, detect a first configuration channel signal of a first input signal group to determine a signal type of the first input signal group, and control the first UFP physical layer module to output the first input signal group with a first signal configuration according to the signal type of the first input signal group.

An adapter configured to transmit signal of the first electronic device to the second electronic device is provided. The adapter includes a first USB type-C controller, a second USB type-C controller and pleural USB type-C data transmission lanes connected to the second USB type-C controller and the first USB type-C controller. The second USB type-C controller is configured to: (1) obtain a first transmission specification supported by the second electronic device; and (2) transmit the first transmission specification to the first USB type-C controller. The first USB type-C controller transmits the first transmission specification to the first electronic device. The first electronic device transmits a control command to the first USB type-C controller according to the first transmission specification. The first USB type-C controller further uses a corresponding number of data transmission lanes according to the control command.