51 results about "VGA connector" patented technology

A docking station with video control system includes a housing, a USB hub, a VGA to USB video conversion unit, a USB interface controller and a button. The USB hub includes an upstream port and a downstream port. The upstream port is adapted to connect with a USB connector. The USB connector is adapted to connect with a host. The host has a VGA to USB driver including a predetermined video view mode. The VGA to USB video conversion unit has an input port and an output port. The input port couples with the downstream port. The output port couples with a VGA connector. The USB interface controller couples with the USB hub. The button couples with the USB interface controller. If the button is pressed, the VGA to USB driver can be started, so that the predetermined video view mode is selected.

A device and method for outputting BIOS POST code, applied to a computer system. The device includes a basic input output system (BIOS), a transfer module and a video graphics array (VGA) connector. The BIOS generates a power-on self-test (POST) code using a low pin count (LPC) interface format. The transfer module receives the POST code and transfers the format of the POST code to a system management bus (SMBus) format. The VGA connector receives and outputs the POST code transmitted from the transfer module.

A VGA connector comprises a plurality of power supply terminals, a plurality of signal terminals, a plurality of grounding terminals and a plurality of leads, wherein the plurality of power supply terminals are connected with a power supply, the plurality of signal terminals are used for transmitting signals, the plurality of grounding terminals are used for grounding, and the plurality of leads are connected with the plurality of signal terminals correspondingly one by one. One end of each of the leads is electrically connected with another VGA connector, and an electromagnetic interference suppression component is electrically connected between the other end of each of the leads and the corresponding signal terminal. According to the VGA connector, electromagnetic interference suppression components are arranged to absorb interference signals entering the VGA connector, so that interference signals can be suppressed.

Various embodiments of the present invention relate to methods, systems and devices of employing a monitor detection module in a computer to automatically detect the presence of a VGA display. Such a system for automatic VGA monitor detection comprises a central processing unit (CPU), a GPU, a VGA connector and the monitor detection module. The CPU provides image information to the GPU which further processed the image information to generate video signals according to a VGA display standard. The video signal comprises analog video signals (i.e., red, green and blue) and synchronization signals (i.e., horizontal and vertical). The video signals are transmitted to the VGA connector at the interface of the computer. A VGA monitor or projector may be connected to the computer at the VGA connector via a VGA data cable. The monitor detection module receives at least one of the analog video signals and at least one of the sync signals, identifies a monitor detection pulse synchronous with the sync signal, and monitors the impedance at the pin for the analog video signal at the VGA connector during the monitor detection pulse. The monitor detection module takes advantage of synchronization pulses in the horizontal or vertical sync signal to monitor termination resistance of an analog video signal line, and thus, the VGA display may be detected reliably at a fast rate without interfering with video signal transmission.

The present invention relates to a server chassis capable of decreasing radiation and a server. The server chassis is characterized in that the server chassis includes a chassis, a small board and a main board; the small board is provided with a VGA connector and USB connectors; the chassis comprises a metal case and a front plastic case; a VGA opening for matching the VGA connector on the small board, USB openings for matching the USB connectors on the small board, and mounting holes are formed in the front plastic case; conductive fixing components can be plugged into the mounting holes in amatched manner, so that the small board can be installed on the front plastic case; fixing holes corresponding to the mounting holes of the front plastic case are formed in the small board; the conductive fixing components are plugged into the mounting holes and the fixing holes, so that the small board can be installed on the front plastic case; the front plastic case is subjected to conductivespraying treatment; and the metal case is fixedly connected with the front plastic case.

An apparatus for video graphics array (VGA) testing includes a connector, a switch, and an output. The connector has at least one signal output pin. The signal output pin of the VGA connector is connected to the output via the switch. The output can be coupled with an oscilloscope or other similar signal analyzing device. It is simple and efficient to use the apparatus for coupling a VGA connector of a computer with an oscilloscope in the VGA testing process.

The invention discloses a line system for reducing the interference to a front VGA cable, which relates to an electromagnetic compatibility technology. The line system includes a motherboard arranged inside a case, a front small board at the front panel of the case, and a display outside the case. An integrated circuit IC and a VGA connector are arranged on the motherboard. A filter line is arranged on the front small board. The connector is connected to the filter line through an internal cable. The filter line is connected to the display through an external cable. The VGA signal on the motherboard goes out of the integrated circuit IC and arrives at the VGA connector, arrives at the filter line on the front small board through the internal cable, passes through the filter file, and arrives at the display through the external cable. The risk of over-radiation of an external VGA cable due to interference is reduced greatly, and the risk that external interference enters the motherboard from the external VGA cable and affects normal work of the motherboard is reduced. The quality of VGA signal transmission is improved, and the stability of normal work of the motherboard is maintained.

The invention discloses a display, which comprises a display main body, a first video graphics array (VGA) connector and a light-emitting diode, wherein the first VGA connector comprises a plurality of signal pins and an idle pin, and is used for connecting a second VGA connector arranged on a mainboard; the second VGA connector comprises a plurality of signal pins connected to a display chip on the mainboard, and an idle pin connected to a 5V standby power on the mainboard; when the first VGA connector is connected with the second VGA connector, the signal pins and the idle pins of the first and second VGA connectors are correspondingly connected; the light-emitting diode is arranged outside the display main body; and the anode of the light-emitting diode is connected with the idle pin of the first VGA connector, and the cathode of the light-emitting diode is grounded. The display can still provide working voltage for the light-emitting diode when a computer system is powered off. The invention also provides a computer system comprising the display.

The invention discloses a starting circuit. The starting circuit is connected between a VGA (variable graphics array) connector on a mainboard and a super input-output chip, and comprises a first electronic switch, a second electronic switch, a third electronic switch and a fourth electronic switch; the VGA connector of the mainboard is connected with a display; the VGA connector of the mainboard is further connected with the first electronic switch; the first electronic switch is further connected with the second electronic switch; the second electronic switch is connected with the third electronic switch and the fourth electronic switch respectively; the fourth electronic switch is further connected with the super input-output chip. According to the starting circuit, the mainboard is started through a power button of the display.

A computer system includes a host and a display. The host includes a first video graphics array (VGA) connector. The display includes a second VGA connector and a power supply circuit coupled to the second VGA connector. The second VGA connector is connected to the first VGA connector to acquire power from the first VGA connector.

A starting-up control circuit is connected between a VGA (video graphics array) connector of a display and a super input and output chip on a mainboard and comprises a first electronic switch, a second electronic switch, a third electronic switch, a fourth electronic switch, a fifth electronic switch and a 555 timer, wherein when a power key of the display is pressed down, an address code pin of the VGA connector outputs a high level signal; a first end and a second end of the first electronic switch are connected with each other; a first end and a second end of the second electronic switch are connected with each other; a first end and a second end of the fourth electronic switch are also connected with each other; an output pin of the 555 timer outputs periodic pulse level; and when the output pin of the 555 timer outputs a high level signal, a first end and a second end of the third electronic switch are connected with each other, so that the super input and output chip receives a low level signal, and the mainboard is started. By using the starting-up control circuit, the mainboard can be started through the power key of the display.

A display includes a body, a first video graphics array (VGA) connector, and a light-emitting diode (LED). The first VGA connector is connected to a second VGA connector mounted on a motherboard. When the first VGA connector is connected to the second VGA connector, the signal pins of the first VGA connector are connected to the signal pins of the second VGA connector correspondingly. In addition, a first idle pin of the first VGA connector is connected to a second idle pin of the second VGA connector which is connected to a 5 volt standby power supply of the motherboard. An anode of the light-emitting diode is connected to the first idle pin. A cathode of the light-emitting diode is grounded.

An improved VGA connector that supports enhanced graphic performance by internally incorporating one or more functions of fusing, filtering, shielding, and the controlling of signal line impendances. The improved VGA connector is dimensionally interchangeable with many aspects of standard VGA connectors, and use standard pin-outs that mate with mating connectors. Integral DACs can be included to provide analog outputs.