JPH0650031Y2 - Display device for personal computer - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial field of use] The present invention relates to a display device for a personal computer capable of performing a display operation for both two types of personal computers having different output connector shapes for the display device.

[Prior Art] In order to display image information from a personal computer on a display device, the personal computer sends three primary color signals R, G, B and a vertical synchronization signal VD to the display device.
It is necessary to send each signal of the horizontal synchronizing signal HD and the horizontal synchronizing signal HD, and it is necessary to make the ground potential the same. Therefore, it is necessary to connect the personal computer and the display device main body with a total of six signal lines including the signal lines for these signals and the ground line.

However, in two types of personal computers, which are widely used in the United States, a 9-pin connector and a 15-pin connector have been used as output connectors for display devices, respectively. 6 required for display operation
The use of 9-pin or 15-pin connectors, which are more than that of pins, is used because the personal computer is connected to many input / output devices and has many connectors, so that incorrect connections can be avoided when connecting and display devices can be used. This is because the shape of the connector is different from that of the other connectors so that the main body can be accurately connected.

By the way, the display device main body for a personal computer has an input connector corresponding to one of two types of personal computers.

Therefore, for example, as shown in FIG. 2A, the display device main body 2 for the personal computer 1 having the 9-pin female connector 1a has the 9-pin female connector 2a, and the 9-pin female connector 3a at both ends. And 3b are connected to the personal computer 1 by the attached signal cable 3 in which the above-mentioned six signal lines are extended.

However, this is not versatile because it cannot accommodate other types of personal computers.

Therefore, the display device main body 2 having the 9-pin female connector 2a
In addition to the above-mentioned signal cable 3, is a 9-pin male connector 4a at one end and 15 at the other end as an attached signal cable.
A personal computer 5 having a 15-pin female connector 5a provided with a signal cable 4 having the above-mentioned six signal lines extended therein having a pin male connector 4b is shown in FIG. 2 (B). As described above, the signal cable 4 can be connected. Alternatively, the display device main body 2 has the 9-pin male connector 6a at one end and the 15-pin male connector 6b at the other end in addition to the above-mentioned signal cable 3, and the above-mentioned six signal lines are extended inside. The personal computer 5 having the 15-pin female connector 5a provided with the adapter device 6 is connected via the adapter device 6 and the signal cable 3 as shown in FIG. 2 (C). There is.

[Problems to be Solved by the Invention] Therefore, when the display device main body 2 having one type of input connector for a personal computer is intended to have versatility, in addition to the display device main body 2, two signal cables 3 are provided. 4, or one signal cable 3 and one adapter device 6 are required.

However, the personal computer 1 or 5 and the display device 2
The connection with is one to one, and basically one signal cable or two signal cables or one signal cable and one signal cable for such one-to-one connection. The need for an adapter device can be said to be wasteful, and there are drawbacks such that many manufacturing steps must be taken due to the useless accessory parts.

The present invention has been made in consideration of the above points.
An object of the present invention is to provide a display device for a personal computer, which can be connected to two personal computers having different connector shapes by the signal cable of this book.

[Means for Solving the Problems] In order to solve the above problems, in the present invention, the display device main body is provided with an output connector of a first personal computer in which at least some of the pins are pins for transmitting and receiving image signals. A second personal computer having a first input connector having the same shape as that of the first personal computer and an output connector of the first personal computer having a different shape, and at least some of the pins being pins for transmitting and receiving an image signal. The second input connector has the same shape as that of the output connector, and the pin for transmitting and receiving the image signal is mutually connected to the pin for transmitting and receiving the image signal in the first input connector.

Also, an attached signal cable includes a third connector provided at one end connected to the first input connector, a fourth connector provided at the other end connected to the second input connector, a third connector The fourth connector has a plurality of signal lines for connecting the pins which are used for transmitting and receiving the image signal.

[Operation] When connecting the first personal computer and the display device main body, the output connector of the first personal computer and the third connector of the signal cable are connected, and the fourth connector of the signal cable is displayed. Connect to the second input connector of the device body.

Further, when connecting the second personal computer and the display device main body, the output connector of the second personal computer and the fourth connector of the signal cable are connected, and the third connector of the signal cable and the display device. Connect to the first input connector of the main body.

Thus, with one signal cable, two kinds of personal computers having different output connector shapes can be selectively connected to the display device main body.

Embodiment An embodiment of the present invention will be described in detail below with reference to the drawings.

In FIG. 1, the display device body 10 of this embodiment is used as a signal input connector for a signal from a personal computer.
9-pin female connector 10a and 15-pin female connector 10b
It has a connector. 3 of these connectors 10a and 10b
Primary color signals R, G, B, vertical sync signal VD, horizontal sync signal HD
And each pin for ground potential (both the insertion pin and the pin receiving portion are simply referred to as focus) are connected to each other by an internal signal line and are connected to an internal signal processing unit (not shown).

The display device main body 10 of this embodiment is provided with a 9-pin male connector 11a at one end and a 15-pin male connector 11b at the other end as attached signal cables, and these connectors 11a and 11b are provided.
A signal cable 11 having signal lines internally connecting the three primary color signals R, G, B, the vertical synchronizing signal VD, the horizontal synchronizing signal HD, and the ground potential pins is prepared.

The display device main body 10 of this embodiment is provided with a 9-pin female connector 1a.
1A, the 9-pin male connector 11a of the signal cable 11 is connected to the connector 1a of the personal computer 1 and the 15-pin signal cable 11 is connected as shown in FIG. Male connector
11b may be connected to the 15-pin female connector 10b of the display device body 10. As a result, the signals of the three primary color signals R, G, B, etc. output from the personal computer 1 are given to the display device main body 10, and the personal computer 1 and the display device main body 10 take the same ground potential and display. The action is taken.

On the other hand, when connecting the display device main body 10 of this embodiment to the personal computer 5 having the 15-pin female connector 5a, as shown in FIG.
The 15-pin male connector 11b may be connected to the connector 5a of the personal computer 5, and the 9-pin male connector 11a of the signal cable 11 may be connected to the 9-pin female connector 10a of the display device body 10. This allows the personal computer 5
The signals of the three primary color signals R, G, B, etc. output from the computer are given to the display device main body 10 and the personal computer 5
And the display device main body 10 have the same ground potential, and a display operation is performed.

Therefore, according to the embodiment described above. The personal computer can be connected to any of two types of personal computers having different shapes of output connectors for the display device through a single signal cable, and an image signal from the personal computer can be displayed. As a result, the display device body 10 has more connectors than the conventional device, but the number of connectors as a whole including the connector of the signal cable is smaller than the conventional one, and the number of parts including the attached signal cable is small. ,
Manufacturing etc. can be facilitated. In addition, since only one signal cable is required, it is not necessary to prepare a cable that is not used, and waste can be eliminated.

In the above embodiment, the 9-pin female connector 1a is used.
Although the display device is intended for the personal computer 1 having the above and the personal computer 5 having the 15-pin female connector 5a, it may be intended for a personal computer having another connector shape. In short,
It suffices if it is intended for two types of personal computers having different output connector shapes for the display device.

Further, the male and female of the connector are not limited to those described above. However, the output connector of the personal computer and the corresponding input connector of the display device main body need to have the same shape.

[Advantages of the Invention] As described above, according to the present invention, the display device body is provided with connectors of the same shape as the output connectors of the two types of personal computers, and the respective ends of the attached signal cable are provided with the respective types. Since it has a shape that can be fitted with the output connector of the personal computer, it is possible to connect to two types of personal computers using one signal cable, and the configuration including the signal cable is simpler than before. The device can be obtained.

[Brief description of drawings]

FIG. 1 is a schematic view showing an embodiment of a display device according to the present invention including a signal cable, and FIG. 2 is a schematic view showing a conventional device including accessory parts. 1, 5 ... Personal computer, 1a, 10a ... 9-pin female connector, 5a, 10b ... 15-pin female connector, 10
…… Display unit, 11 …… Signal cable, 11a …… 9-pin male connector, 11b …… 15-pin male connector.

Claims (1)

[Scope of utility model registration request] 1. A first input connector having a same shape as an output connector of a first personal computer, wherein at least a part of pins of the display device main body are pins for transmitting and receiving image signals, and the first input connector. The output connector of the second personal computer having a different shape from the output connector of the personal computer, and at least some of the pins have the same shape as the output connector of the second personal computer, which is a pin used for transmitting and receiving the image signal. A pin for transmitting and receiving a signal, and a second input connector interconnected with the pin for transmitting and receiving the image signal in the first input connector; and an attached signal cable to the first input connector. A third connector provided at one end for connection, and a fourth connector provided at the other end for connection with the second input connector, Serial third and fourth connector of a display device for a personal computer, characterized in that a plurality of signal lines connecting the pins comrades subjected to transfer of the image signal.