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System having a screen and an external power supply unit

A technology of external power supply and power supply unit, applied in the direction of power supply test, static indicator, data processing power supply, etc., can solve the problem of using wrong power supply unit, other equipment damage, equipment interference source, etc.

Inactive Publication Date: 2006-12-13
FUJITSU SIEMENS COMP GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The third aspect is problems caused by using the wrong power supply unit
If the monitor is used with an unsuitable power supply unit, this device can become a source of interference and cause damage to other devices

Method used

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  • System having a screen and an external power supply unit
  • System having a screen and an external power supply unit
  • System having a screen and an external power supply unit

Examples

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Embodiment Construction

[0021] figure 1 A typical device is shown consisting of a flat panel display 1 and a power supply unit 2 connected to each other by a cable 3 . Furthermore, the power supply unit is in turn connected via a further cable 4 to the mains, which has a voltage of 230V, for example.

[0022] The cable 3 between the power supply unit 2 and the flat panel display 1 can here act as an antenna, through which interference frequencies are emitted, and the cable 3 is connected to the flat panel display 1 via a plug socket 5 .

[0023] Figure 2 shows figure 1 functional unit of the device. The power supply unit 2 has a signaling sending unit 6 that sends operating parameter signals to the flat panel display 1 when the power supply unit 2 is connected to the power grid and the display 1 is running. These parameters include the voltage, allowable load and type of the power supply unit 2 . The flat panel display 1 has a demodulator / decoder 7 which decouples and sorts the transmitted informa...

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PUM

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Abstract

The system includes the screen such as a flat panel screen and the external power unit supplying the DC power to the screen by connecting to the screen through a plug connector. The power unit is equipped with a signaling tool signaling an operation parameter. The screen is equipped with a comparing tool comparing the signaled operation parameter with the stored operation parameter, and error signaling tools connected to the comparator in order to indicate the undesirable discordance between the signaled operation parameter and the stored operation parameter.

Description

technical field [0001] The invention relates to a system with a display, in particular a flat display, and an external power supply unit connectable to the display via a plug socket for supplying the display with a DC voltage. Background technique [0002] This system with a display and an external power supply unit is particularly useful for flat panel displays because it can be driven with a very small voltage such as 12V, 14V or 16V. The external power supply unit is connected on one side to the mains, usually 230V or 110V, and on the other side has a two-wire connection to the display, where this cable is connected to the display via a plug socket so that the power supply unit and the display can be separated in a simple manner. [0003] Besides monitors there are also many other devices which are supplied with suitable operating voltage by means of such external power supply units, eg notebook computers, external CD-ROM drives, PDAs, scanners, and many others. Most of ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01R31/40G06F3/14G06F13/00G09G5/00G06F1/26
CPCG09G5/006G09G5/003G09G2330/04G09G2330/02G06F1/26
Inventor A·索曼特里
Owner FUJITSU SIEMENS COMP GMBH