G09G2370/18

Data communications cable with wireline capacitance compensation

A communications cable is disclosed. The cable includes a first circuit configured to receive electrical data signals from a data source via an input connector, and convert the electrical data signals into optical signals for transmission by way of one or more optical fibers. The cable includes a second circuit configured to convert the optical signals received via the one or more optical fibers back to electrical data signals for providing to a data sink via an output connector. The cable includes a third circuit for applying pre- and post-signal conditioning to bi-directional control data for transmission to and received from the data sink via wires. The cable includes a fourth circuit for applying pre- and post-signal conditioning to bi-directional control data for transmission to and received from the data source via wires. The pre- and post-signal conditioning compensate for capacitance and/or resistance effects on the signals introduced by the wires.

Display system, transmission device and relay device

A display system includes: first to N.sup.th (N is an integer greater than or equal to 2) display panels; a drive part configured to output first to N.sup.th video signals of a video to be respectively displayed on the first to N.sup.th display panels and first to N.sup.th control signals for respectively controlling the first to N.sup.th display panels; and a transmission part configured to transmit the first to N.sup.th video signals and the first to N.sup.th control signals to the first to N.sup.th display panels, wherein the transmission part includes first to N.sup.th relay parts, and the m.sup.th (m is an integer satisfying 1≤m≤N−1) relay part outputs the m.sup.th video signal to the m.sup.th display panel and outputs the (m+1).sup.th to N.sup.th video signals to the (m+1).sup.th relay part.

RGB LED TOUCH PANEL AND DRIVE SENSE CIRCUIT

A drive-sense module for an RGB light emitting diode (LED) touch-sense panel includes light emitting diodes (LEDs) configured to emit light of different wavelengths and light blocking spacers configured to block light horizontal light detection between LEDs. The drive-sense module includes a plurality of LED touch sensors and a plurality of difference detection circuits, each LED touch sensor is coupled to one of the plurality of LEDs and configured to generate a signal representative of light detected by the LED in the first mode and a signal representative of light emitted by the LED in the second mode. A drive-sense circuit (DSC) is configured to forward bias the LED in the transmit mode and reverse bias the LED in the receive mode and a data output circuit is configured to generate a digital representation of light intensity of the current that is generated by the DSC.

Repeater device for displayport side channel and operating method thereof

Provided are a repeater device for a DisplayPort side channel and an operating method thereof. The repeater device of a DisplayPort includes: a source device processor transmits or receives an electrical signal of a side channel data of the display port to or from a source device and processes repeater data; and a sink device processor transmits or receives an electrical signal of a side channel data of the display port to or from a sink device and processes repeater data, wherein the source device processor or the sink device processor comprising a controller processes repeating of the side channel data of the display port using the repeater data which is obtained by transforming the electrical signal to an optical signal.

Wireless content delivery for a tiled LED display

An active display (102) can be used in a theatre environment (100) in which content to be displayed by the active display (102) can be delivered wirelessly using emitters (118). The active display (102) can include tiles (104a-104d) with detectors (106a-106d) that can detect the wireless signals. The active display (102) can include circuitry that can interpret instructions from the wireless signals for controlling the output (108a-108d) of pixels on the tiles.

Signal Communication Over An Optical Link
20220159221 · 2022-05-19 ·

Systems and methods for signal communication over an optical link are described. One aspect includes receiving a source CONFIG1 signal from a DP master device and a sink CONFIG1 signal from a sink terminal. The source and sink CONFIG1 signals are analyzed. It is determined whether a signal transmission mode is a DP protocol. For a DP protocol, a pair of source AUX signals is received from the DP master device. A pair of sink AUX signals is received from the sink terminal. Communication resource contention between the source and sink AUX signals is identified. A communication direction of the communication resources is transitioned to give the source AUX signals precedence over the sink AUX signals. The source AUX signals are transferred to the sink terminal via the communication resources. The direction of the communication resources is again transitioned. The sink AUX signals are transferred to the DP master device.

ELECTRONIC DEVICE AND METHOD FOR DISPLAYING USER INTERFACE
20220148477 · 2022-05-12 ·

An electronic device and method are disclosed. The electronic device includes a display an extended screen area that is exposed or stowed, according to a change in a state of the display of the electronic device, communication circuitry configured to transceive a signal to or using an angle-of-arrival (AOA) antenna disposed within the extended screen area, a memory, and a processor. The processor implements the method, including: determining a position of the electronic device relative to an external electronic device, using the communication circuitry, executing a sharing operation with the external electronic device, identifying whether the display of the electronic device is disposed in a first state or a second state, based on detecting that the display is disposed in the first state, perform a first positioning operation for the external electronic device, and displaying a sharing interface according to the first positioning operation on the display.

RGB LED touch panel and drive sense circuit

A drive-sense module for an RGB light emitting diode (LED) touch-sense panel includes light emitting diodes (LEDs) configured to emit light of different wavelengths and light blocking spacers configured to block light horizontal light detection between LEDs. The drive-sense module includes a plurality of LED touch sensors and a plurality of difference detection circuits, each LED touch sensor is coupled to one of the plurality of LEDs and configured to generate a signal representative of light detected by the LED in the first mode and a signal representative of light emitted by the LED in the second mode. A drive-sense circuit (DSC) is configured to forward bias the LED in the transmit mode and reverse bias the LED in the receive mode and a data output circuit is configured to generate a digital representation of light intensity of the current that is generated by the DSC.

DISPLAY APPARATUS

A display apparatus comprises an at least partially transparent display, the display configured to generate light to form an image for display to a user positioned in front of the display, and at least one light-transmitting and/or light-receiving device positioned behind the display, wherein the at least one light-transmitting and/or light-receiving device is configured to transmit and/or receive light through at least part of the display, wherein the at least one light-transmitting and/or light-receiving device comprises or forms part of an optical wireless communications (OWC) apparatus configured to transmit and/or receive the light through the at least part of the display.

Secured KVM switching device with unidirectional communications
11768545 · 2023-09-26 · ·

A Secured Keyboard Video and Mouse (SKVM) system for selectively controlling a plurality of individual computers by a single set comprising a keyboard, a pointing device and at least one video monitor (in some cases, can be controlled also by computer), the SKVM comprising separate electrical circuits for transmitting the display sources, the pointing device and keyboard communications.