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 debug card includes a controlling chipset and a VGA connector. The controlling chipset includes a data storage module, a data transforming module, and a VGA controller. The data storage module stores data received from a computer system, which represents the status of the computer system. The data transforming module transforms the data and transmits the transformed data to the VGA controller. The VGA connector interconnects the VGA controller and a VGA display to display the data.

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.

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.

The invention discloses a signal detection device of a VGA channel, and the signal detection device comprises a television MCU, a VGA terminal for connecting an external VGA signal source and receiving VGA signals, a VGA line synchronous signal processing circuit for converting VGA line synchronous signals to VGA detection signals, and a VGA field synchronous signal processing circuit for converting VGA field synchronous signals to the VGA detection signals, wherein the television MCU is used for receiving the VGA detection signals and judging whether the VGA channel has the VGA signals or not. The signal detection device of the VGA channel has the advantages of simple structure and low cost, and the signal detection device can stably and reliably detect the signal state of the VGA channel of a television and can be applied to a variety of VGA terminal-based application occasions.

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.

The invention discloses a portable interface module based on 5G communication. The portable interface module comprises a circuit board, a VGA interface and a VGA connector; the VGA interface comprisesa first interface body, a pinhole interface part, fixing sleeves, first springs, first L-shaped slot holes and first limiting holes; the first springs are arranged in the fixing sleeves; the first L-shaped slot holes and the first limiting holes are formed in the side walls of the fixing sleeves; the VGA connector comprises a first connector body, a pin connector part and limiting assemblies; each limiting assembly comprises a lantern ring, a straight rod and a first inserting rod; the first inserting rods are mounted on the outer sides of one ends, close to the fixing sleeves, of the straight rods; and the first inserting rods can enter the first L-shaped slot holes and the first limiting holes when the straight rods move longitudinally along the fixing sleeves. According to the portableinterface module, the VGA connector is inserted into the VGA interface, so that the VGA connector is unlikely to fall off, the connection and removal are relatively rapid, the use convenience is brought for a user, and the stability of the VGA connector and the VGA interface and the service life of the interface module are improved and prolonged.

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.

An exemplary video graphics array interface tester includes a VGA connector being configured to couple to a VGA interface to be tested and having a plurality of signal pins to output different VGA signals; a load circuit connected to the signal pins of the VGA connector for impedance matching; a selection switch having a plurality of throws corresponding to the signal pins of the VGA connector connected to the signal pins of the VGA connector respectively, and a pole; and a test port connected to the pole of the selection switch for selectively testing one of the VGA signals via selection of the selection switch. Using this tester to detect the VGA interface can guarantee quality and improve efficiency of VGA test.

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.

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.

A dual VGA connectors testing system includes an exchanging module and a controlling module connected to the exchanging module. The exchanging module includes a number inputting terminals and a number of outputting terminals. First group of RGB signal inputting terminals are connected to RGB signal outputting terminals, first group of scanning and controlling signal inputting terminals are connected to scanning and controlling signal outputting terminals, and first group of address signal inputting terminals are connected to address signal outputting terminals when the controlling module outputs a first signal; second group of RGB signal inputting terminals are connected to the RGB signal outputting terminals, second group of scanning and controlling signal inputting terminals are connected to the scanning and controlling signal outputting terminals, and second group of address signal inputting terminals are connected to the address signal outputting terminals when the controlling module outputs a second signal.

An exemplary VGA connector includes a number of power pins, a number of signal pins, a number of ground pins, a number of EMI suppression members, and a cable. The power pins are to receive power. The signal pins are to transmit signals. The EMI suppression members are configured to suppress electromagnetic interference. The cable includes a plurality of wires. Each wire corresponds to one pin. Each EMI suppression member is electrically connected between one of the plurality of signal pins and one of the plurality of wires corresponding to the one of the plurality of signal pins.

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.

A method for realzing VGA arousing function of liquid crystal television and a circuit thereof, wherein the method comprises: according to characteristics of VGA terminal nine-pin voltage changing from low to high when a VGA is output, adopting an external circuit, generating a low electric level pulse with adjustable pulse width at will, a main chip I / O can arouse VGA of a liquid crystal television and a display through detecting the low electric level pulse; the circuit comprises XS1 which is used as a VGA interface, one I / O interface which uses Detect as the main IC, using VCC as a power source; when a VGA signal is output, 9 pin A point electric level nine-pin A point electrical level of the VGA termial is changed from low (0V) to high (5V), a low electric level pulse is formed through the circuit B point, once the low electric level pulse is detected by the I / O interface Detect, the VGA function of the system is aroused. The detecting pin Detect does not occupy a new I / O interface of the main chip through multiplexed key input port key; the method does not need the main chip reading registers and detecting VGA line-field synchronously, does not need ADC power supply, which uses characteristics of VGA terminal nine-pin voltage changing from low to high when a VGA is output to realize VGA arousing function of liquid crystal televisions and display products.

The invention provides a core of a panel television, wherein a PCB is a single-layer PCB; and a main processing chip, a high frequency head, an intermediate frequency unit, an earphone terminal, a VGA terminal, an S terminal, an HDMI terminal, a power supply and an inverter are all distributed and arranged on the PCB. The core of a panel television integrates the power supply, the inverter, a master control chip and other components on the PCB with a single face; in addition, the redundancy of the power supply and the inverter are taken out of consideration during designing the core of a panel television. Compared with the prior panel television consisting of three components, the panel television adopting the technical scheme can greatly reduce the production costs.

A power-on circuit is connected to a video graphics array (VGA) connector of a display, a power supply unit (PSU), and a super input output (SIO) chip of a motherboard. The power-on circuit includes first to fourth electronic switches. The VGA connector is connected to the first electronic switch. The first electronic switch is connected to the second electronic switch. The second electronic switch is respectively connected to the third electronic switch and the fourth electronic switch. The fourth electronic switch is connected to the SIO chip. The power-on circuit could power on the motherboard via the power button on the display.

The invention provides a watercraft lifesaving device storage system and a control mode. The watercraft lifesaving device storage system comprises a storage box, a storage cabinet and a host computer,wherein pressure sensors are mounted at the bottom of all storage compartments in the storage box; the pressure sensors are connected to a programmable logic controller (PLC) through signal lines; data reading devices are arranged inside all placement cabinets of the storage cabinet; the data reading devices are connected to a VGA port of the PLC through VGA connectors; and the host computer is connected to the plurality of data reading devices through a CAN bus. The PLC determines the kinds of lifesaving devices placed in the storage compartments according to pressure values detected by thepressure sensors; the data reading devices read data values of the PLC and send the read data values to the host computer through the CAN bus; and inspection personnel only need to check the data in the host computer to check the lifesaving devices, so that the watercraft lifesaving device storage system is convenient and quick.

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.

A video graphics array (VGA) cable comprises a first VGA connector, a second VGA connector, an indicator lamp and a transmission line for joining the first VGA connector and the second VGA connector. The first VGA connector and the second VGA connector a re respectively connected to a multi-computer switcher (kernel-based virtual machine (KVM) switcher) and a computer host. The first VGA connector comprises an insulation main body and 15 pins which are stored inside the insulation main body. The 15 pins comprise one power supply pin which is connected with a power supply and one grounding pin which is used for grounding. The indicator lamp is arranged outside the VGA cable, and two ends of the indicator lamp are respectively connected to the power supply pin and the grounding pin. The computer host transmits an image signal to the KVM switcher through the VGA cable, and the indicator lamp is lightened after being powered supplied by the KVM. Whether the computer host normally transmits the image signal to the KVM switcher or not can be conveniently recognized. The invention also provides a multi-computer switcher system.

The invention relates to the technical field of optical testing, in particular to an infrared dynamic scene simulator based on a miniature Peltier array. The infrared dynamic scene simulator comprises a control computer, a drive circuit, the miniature Peltier array and a projection lens; the control computer is connected with the drive circuit through a VGA connector, the drive circuit is connected with the miniature Peltier array through an addressing line, and the miniature Peltier array is placed on a focus plane of the projection lens; the control computer is used for generating a video matrix analog signal and sending the signal to the drive circuit; the drive circuit is used for analyzing the video matrix analog signal, conducting analog-digital conversion, and then sending a digital drive signal to the miniature Peltier array; the miniature Peltier array generates a temperature field distribution image and radiates the image to the projection image; and the projection lens generates vignetting-free infrared dynamic scenes at infinite regions. By means of the infrared dynamic scene simulator, low-temperature high-resolution infrared dynamic scene simulation can be achieved, low temperature infrared dynamic scene simulation accuracy is effectively improved, and the testing requirements of different guide heads are met.

The invention discloses an SMT stencil windowing design method for a VGA connector, and relates to the SMT production field of a PCB. The thickness and the windowing dimensions of the SMT stencil can be calculated by working out the thickness of a PCB card and the dimensions of a PIN through hole which is formed, corresponding to the VGA connector, in the PCB card. By adoption of the method, sufficient tin amount can be supplied to the reflow soldering of the VGA connector, so that the batch production of the VGA connector can be realized, and the stencil can be processed easily; the quantity production of the SMT of the VGA connector is realized; the welding quality is ensured; and therefore, the windowing design method has significant popularization and utilization values.

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 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.

The invention provides a debug card used for debugging the functions of a computer and spliced on the slot of a motherboard, which comprises a display device and a programmable logic device. The display device comprises a VGA connector which can be connected with a display, the programmable logic device comprises a data latching module used for latching the debugging datum of the computer, and a data conversion module used for converting the debugging datum of the computer, the data conversion module is connected with a VGA controller, and the VGA controller is connected with the VGA connector. Moreover, the invention also provides a computer debugging method.

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.