ADDER TECHNOLOGY LIMITED Patent applications |
Patent application number | Title | Published |
20120307436 | ELECTRONIC DEVICE SECURITY - Apparatus and methods for reducing cross talk between electrical ports are described. An electronic device comprises a housing for electronic circuitry and has a plurality of ports for connecting electrical devices. Each port includes a connector connected by at least one electrical connection to the electronic circuitry. A connector shield is arranged to provide an electrically conductive loop around which an induced electrical current can flow to reduce cross-talk between ports. A shielding can is part of the connector shield and includes a body formed of a folded sheet of electrically conductive material and an electrical contact for electrically connecting the body to a connector. A face of the body defines a first aperture shaped to receive the connector so that the shielding can may be arranged about the connector to form a part of the electrically conductive loop. The method includes providing a connector shield arranged about each connector to provide an electrically conductive loop and inducing an electrical current to flow about the electrically conductive loop to reduce cross-talk between ports. | 12-06-2012 |
20120257680 | DIGITAL VIDEO TRANSMISSION - A method and system for supplying a digital video signal from a source to a sink are described. The digital video signal includes digital video data for three different colours and a pixel clock signal, such as DVI and HDMI. The digital video data and the pixel clock signal are received at a transmitter which sends a signal representative of the frequency of the pixel clock signal over a cable connecting the transmitter and a receiver. Digital video data for three different colours is sent over three different twisted wire pairs of the cable to the receiver. A local pixel clock signal is generated at the receiver using the signal representative of the frequency of the pixel clock signal. The local pixel clock signal is used to process the received digital video data and recovered digital video data and the local pixel clock signal are output. | 10-11-2012 |
20110047306 | COMPUTER INPUT SWITCHING DEVICE - A switching device for automatically sharing a pointing input device between a plurality of computers is described. The switching device includes an input for receiving relative pointer position data from the pointing input device and a plurality of outputs, each connectable to a respective one of a plurality of computers. A controller receives the input relative position data and converts the relative pointer position data to absolute pointer position data. Which of the plurality of computers to route input data to is determined based on the absolute pointer position data. Input data is routed to one of the plurality of computers so that a cursor position on a display device of the computer can be controlled by the pointing input device. Switching apparatus is also described that combines video data from the plurality of computers for display on a single display device and the cursor position on a portion of the display device corresponding to a one of the computers is controlled by the input pointing device. | 02-24-2011 |