JPH10260760A - Electronic equipment and personal computer - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an electronic equipment capable of communication with the electronic equipment present in a wide range without positioning an electronic equipment main body by providing an arm capable of changing the direction of a light emitting and receiving part by deformation. SOLUTION: The light emitting and receiving part 14 of infrared rays is supported by a main body 11 through a flexible arm 15, the flexible arm 15 is housable along the surface of a case body, that is the main body 11, and the light emitting and receiving part 14 is positioned outwards at the time of housing. Then, in the case performing infrared ray data communication, the flexible arm 15 is deformed and the light emitting and receiving part 14 is turned to the light emitting and receiving part of an opposite equipment. In such a manner, by deforming the flexible arm 15, since the light emitting and receiving part 14 of the infrared rays is adjusted to a desired posture and the posture is maintained, the communication is performed without positioning this personal computer no matter what kind of position relation it is in with the opposite equipment.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electronic device having an infrared communication function, an electronic device having an infrared communication function, and an infrared light receiving / emitting portion fixed to a housing, and further to a keyboard surface of the main body. The present invention relates to a personal computer having a lid that can be opened and closed and a display panel provided inside the lid, the personal computer having an infrared communication function.

There is a strong demand for cordless data communication in electronic devices, particularly personal computers, portable information devices (information terminals), and the like, and these devices have already been equipped with an infrared communication function. In infrared data communication, in order to perform accurate data communication, there is a strong demand for realizing a configuration capable of reliably transmitting and receiving infrared light between the light emitting and receiving units.

[0003]

2. Description of the Related Art Some notebook personal computers and portable information devices are equipped with an infrared communication function. In this case, an infrared light receiving / emitting portion is fixed to a side surface or a back surface of a main body. FIG. 11 is a perspective view showing this conventional example.
It has a lid 2 that can be opened and closed with respect to the keyboard surface 1a of the main body 1, and a display panel 3 is provided inside the lid 2. The infrared light receiving / emitting section 4 is fixed to the side surface of the main body 1.

On the other hand, an external infrared communication adapter is also known, and infrared data communication can be performed by connecting the infrared communication adapter to a desktop or tower personal computer or the like. For example, as shown in FIG. 12, the infrared communication adapter includes a light receiving / emitting unit 5 having a light receiving element and a light emitting element built therein, a circuit unit 6 including a modulation / demodulation circuit and an amplification circuit, and a power cord 7 for power supply. And an RS-232C cable 8 connected to an RS-232C connector of a personal computer.

[0005]

In a personal computer or the like in which the light emitting / receiving section is fixed to the side surface or the back surface of the main body, data communication cannot be performed unless there is a partner device within the infrared radiation range. For this reason, when communication is performed between personal computers in which the light emitting and receiving unit is fixed to the main body, the light emitting and receiving units of the personal computer face each other.
The two personal computers must be aligned, and there is a problem in that performing the alignment by one person is troublesome.

Further, in order to arrange the light emitting / receiving portions of these two personal computers facing each other, it is necessary to secure a space for linearly mounting the two personal computers. There is a problem that the work for the operation becomes troublesome.

In particular, when performing infrared data communication between different models, for example, between a personal computer and a portable information terminal, the mounting position and the infrared radiation direction of the light emitting / receiving section differ depending on the model. The work of securing the space was even more troublesome.

On the other hand, when an external infrared communication adapter is used, there is a problem that portability is poor. Further, in a configuration in which an external infrared communication adapter is connected to a personal computer, there is a problem that the infrared communication adapter occupies a large amount of desk space. Further, with an external infrared communication adapter, a worker can use a power cord or RS-23.
When you touch the 2C cable, the power cord or RS-232C
There is also a problem that the infrared communication adapter is moved by being pulled by the cable, and the position and posture of the light receiving / emitting unit are also changed.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-described problems. A first object of the present invention is to provide an electronic device capable of communicating with a wide range of electronic devices without performing positioning of the electronic device body. Will be provided. A second object is to provide an electronic device capable of communicating with a wide range of electronic devices and having excellent portability. A third object is to provide a personal computer that achieves the above object.

[0010]

According to the first aspect of the present invention,
In an electronic device equipped with an infrared communication function, a base end is attached to a housing side, and an arm for supporting an infrared light receiving / emitting unit at a distal end, the arm being capable of changing the direction of the light emitting / receiving unit by deformation thereof. Is provided.

According to the present invention, by deforming the arm, it is possible to adjust the infrared light receiving / emitting portion to a desired posture and to maintain the posture, so that the position of the electronic device main body can be adjusted over a wide range. Infrared data communication with an electronic device at the same time becomes possible.

According to a second aspect of the present invention, communication with a wide range of electronic devices is enabled by using a flexible arm capable of changing the direction of a light emitting / receiving section by deformation of the arm.

According to a third aspect of the present invention, an arm having a bendable joint as an arm, and using an arm capable of changing the direction of a light emitting / receiving section by bending at this joint, communication with a wide range of electronic devices. Is made possible.

According to a fourth aspect of the present invention, the arm can be housed along the surface of the housing, and at the time of this housing, the light emitting / receiving section is positioned outward, so that the electronic device can be spread over a wide area. In addition to ensuring communication with the device, it has improved portability.

According to a fifth aspect of the present invention, the arm is attached to the housing so that the arm can be housed in the housing, and at the time of the housing, the light emitting / receiving section is exposed from the housing. This secures communication with a wide range of electronic devices and improves portability.

According to a sixth aspect of the present invention, in an electronic apparatus having an infrared communication function and an infrared light receiving / emitting unit fixed to a housing, a mirror is provided so as to be able to protrude and retract from the front side of the light emitting / receiving unit. The direction of receiving and emitting infrared light is changed.

According to the present invention, since the transmission / reception direction can be easily changed by the mirror, infrared data communication can be performed with a wide range of electronic devices without performing alignment of the electronic device main body.

According to a seventh aspect of the present invention, a supporting member is movably provided on a housing, and a mirror is rotatably provided on the supporting member so that various transmitting and receiving directions can be easily selected by rotating the mirror. It enables communication with a wider range of electronic devices.

According to the eighth aspect of the present invention, the mirror can be housed in the housing, and at the time of this housing, the mirror does not block the light emitting / receiving section to secure communication with a wide range of electronic devices. And improved portability.

According to a ninth aspect of the present invention, in an electronic device equipped with an infrared communication function, an infrared light receiving / emitting portion is attached to a housing so as to be tiltable, so that a wide range of electronic devices can be installed without positioning the electronic device body. It enables communication with devices.

The invention according to claim 10 relates to a personal computer having a lid which can be opened and closed with respect to the keyboard surface of the main body, and a display panel provided inside the lid. , Attached to the lid so as to be rotatable in a plane perpendicular to the display surface of the display panel and parallel to the central axis of opening and closing of the lid.

According to the present invention, the synergistic effect of the opening / closing angle of the lid and the rotation of the light emitting / receiving section enables infrared data communication with a wider range of electronic devices without performing positioning of the electronic device body. Become.

The invention according to claim 11 also relates to a personal computer having a cover which can be opened and closed with respect to the keyboard surface of the main body, and a display panel provided inside the cover.
The infrared light receiving / emitting section is mounted on the main body so as to be rotatable in a plane parallel to the keyboard surface, thereby enabling infrared data communication with a wide range of electronic devices.

[0024]

Embodiments of the present invention will be described below with reference to the drawings. (First Embodiment) FIGS. 1 and 2 are perspective views showing a first embodiment of the present invention. FIG.
Indicates a set state of the arm.

This embodiment relates to a notebook personal computer, and has a keyboard surface 11a of the main body 11.
And a display panel 13 is provided inside the lid 12. The present embodiment is characterized in that the infrared light receiving / emitting section 14 is supported by the main body 11 via the flexible arm 15. The flexible arm 15 according to the present embodiment is attached to a side surface of the main body 11 whose base end portion 15a is the housing side, and receives the infrared light emitting / receiving section 1.
4 is supported by the tip 15b.

The flexible arm 15 can be any shape as long as it can be deformed into an arbitrary shape by applying an external force and the direction of the light emitting / receiving section 14 can be changed by the deformation. As an example, there is a tube in which a flexible metal core is passed through a cylindrical tube made of an elastic material such as vinyl or rubber. This flexible arm 1
A signal line for electrically connecting the light emitting / receiving unit 14 and the circuit unit in the main body 11 passes through the space in 5.

The flexible arm 15 can be housed along the surface of the housing, that is, the main body 11, and at the time of this housing, the light emitting / receiving unit 14 is located outward. In this embodiment, as shown in FIG. 1, the flexible arm 15 at the time of storage is positioned horizontally along the side surface of the main body 11, and the light emitting / receiving unit 14 faces forward. In addition, the flexible arm 1
When the length 5 is long, a hook may be provided on the main body 11 to support the flexible arm 15.

In this embodiment, when performing infrared data communication, as shown in FIG.
To turn the light emitting / receiving unit 14 toward the light emitting / receiving unit of the partner device. In the present embodiment, even when the flexible arm 15 shown in FIG. 1 is stored, the light emitting / receiving unit 14 is located outward. There is no need to raise and bend the flexible arm 15.

The flexible arm 15 is deformed by applying an external force. If the application of the external force is stopped, the posture at that time is kept, so that the light receiving / emitting unit 14 can be easily changed to a desired direction. After performing the data communication with the flexible arm 15 in a desired orientation, if necessary,
The flexible arm 15 is returned to the storage state of FIG.

According to this embodiment, by deforming the flexible arm 15, the infrared light receiving / emitting section 14 can be adjusted to a desired posture and the posture can be maintained. In this case, communication can be performed without performing positioning of the personal computer of the present embodiment. That is, infrared data communication with a wide range of partner devices becomes possible.

Further, since the flexible arm 15 can be stored as shown in FIG. 1, storing the flexible arm 15 in this way does not hinder the carrying of the personal computer.
Portability can be improved.

In this embodiment, the base end portion 15a of the flexible arm 15 is fixed to the main body 11 so that the flexible arm 15 can be seen from the outside when the flexible arm 15 is stored. The proximal end 1 of the flexible arm 15
5a may be attached to the main body 11, and at the time of storage, only the light emitting / receiving section 14 may be exposed to the outside of the main body 11.

In this way, communication with a wide range of electronic devices can be ensured, and the portability can be improved without disturbing the carrying of the personal computer.

(Second Embodiment) This embodiment has a bendable joint instead of the flexible arm 15 of the first embodiment, and the direction of the light emitting / receiving section can be changed by bending at this joint. Using a simple arm.

FIG. 3 shows an example of a bending arm used in the second embodiment. The bending arm 16 includes a first link 16a and a second link 16b, and has a bendable joint 16c at a connecting portion (an intermediate portion of the bending arm 16) between the first link 16a and the second link 16b. doing.

The mounting member 17 is for mounting the first link 16a of the bending arm 16 on the side surface (the mounting position of the base end of the flexible arm 15) of the main body 11 in FIG. The first link 16a is configured to be rotatable with respect to the mounting member 17 even after being mounted on the main body 11. The second link 16b is the first link 16
With respect to a, only bending can be performed, and a light emitting / receiving unit 14 is attached to a tip of the bending.

The bending arm 16 of this embodiment is different from the flexible arm 15 which can be deformed over its entire length in that it can be bent only at the joint 16c. Operation.

The bent arm 16 is provided in the housing or body 1.
1 can be stored along the surface, and at the time of this storage, the light emitting / receiving unit 14 is located outward. In the present embodiment, similarly to the first embodiment, when the bending arm 16 is stored, the second link 16b is positioned horizontally along the side surface of the main body 11, and the light emitting / receiving unit 14 faces the front. When the bending arm 16 is long, a hook may be provided on the main body 11 to support the second link 16b of the bending arm 16.

In this embodiment, when performing infrared data communication, as shown in FIG. 3, the first link 16a of the bending arm 16 is rotated in the α direction and the second link 16a is rotated.
b is raised in the β direction, and the light emitting / receiving unit 14 is directed to the light emitting / receiving unit of the partner device. In this embodiment, similarly to the first embodiment, the light emitting and receiving unit 14 is located outward when the bending arm 16 is stored, so that communication is possible even when the posture of the light emitting and receiving unit 14 is unchanged. It is not necessary to intentionally cause the bending arm 16.

When an external force is applied to the bending arm 16, the joint 16
If it is deformed at c and the application of the external force is stopped, the posture at that point is maintained. Therefore, the light emitting / receiving unit 14 can be easily changed to a desired direction. After performing the data communication with the bending arm 16 in a desired orientation, the bending arm 16 is returned to the stored state as necessary.

According to this embodiment, by deforming (bending) the bending arm 16, the infrared light receiving / emitting section 14 can be adjusted to a desired posture and the posture can be maintained. Communication can be performed without performing positional alignment of the personal computer of the present embodiment even if the positional relationship is great. That is, infrared data communication with a wide range of partner devices becomes possible. Further, since the bending arm 16 can be stored, it does not hinder the carrying of the personal computer, and the portability can be improved.

In this embodiment, the bending arm 16 (the first link 16a) is attached to the main body 11 so that the bending arm 16 can be seen from the outside even when stored.
May be attached to the main body 11 so as to be stored in the main body 11 as a housing, and at the time of this storage, the light emitting / receiving section 14 may be exposed from the main body 11. In this way, communication with a wide range of electronic devices can be ensured, and the portability can be improved without disturbing the carrying of the personal computer.

(Third Embodiment) FIG. 4 is a perspective view of a third embodiment viewed from the back side. This embodiment also relates to a notebook personal computer as in the first embodiment. Therefore, the same parts as those in FIG. 1 are denoted by the same reference numerals, and description thereof will be omitted.

The present embodiment is characterized in that a mirror 21 is provided on the front side of the light emitting / receiving section 14 so as to be able to protrude and retract, and the direction of receiving and emitting infrared rays is changed by the mirror 21. The light emitting / receiving unit 14 in this embodiment is provided on the back surface of the main body 11. Further, a support member 22 is provided at a position below the light emitting / receiving section 14 of the main body 11 so as to be movable in the front-rear direction. , And rotatably provided.

FIG. 5 is an enlarged view of a portion A in FIG. 4. As shown in FIG. 5, the lower center of the mirror 21 is attached to the tip of the support member 22 via the hinge 23. As shown in FIG. 7, the hinge 23 in this embodiment has a spherical portion 24b at the tip of a cylindrical neck portion 24a, and a holder portion 24c.
Has a projection 24 fixed to the mirror 21, a spherical recess 25 a fitted into the spherical portion 24 b of the projection 24 in a pressed state, and a lower end fixed to the support member 22.

A slit 25b having a width in which the neck 24a of the projection 24 can be inserted is formed in the longitudinal direction of the wall of the spherical recess 25a of the bearing 25 on the light emitting / receiving section 14 side. The hinge 23 allows the mirror 21 to rotate while standing up, and also allows the mirror 21 to lie down on the support member 22 as shown by a two-dot chain line in FIG.

In the present embodiment, the mirror 21 is
A storage hole 11b is formed in the main body 11 so that the storage hole 11b can be inserted into the main body 11 in a state of being turned upside down. Of course, when the mirror 21 is stored, the front side of the light emitting / receiving unit 14 is opened.

In the present embodiment, when performing infrared data communication, the mirror 21 laid down on the support member 22 is pulled out from the storage hole 11b, and the mirror 21 is raised as shown in FIG. Next, the mirror 21 is rotated or tilted so that the light emitting / receiving unit 14 is directed to the light emitting / receiving unit of the partner device as shown in FIG.

In this embodiment, even when the mirror 21 is housed, the light emitting / receiving section 14 is located outward. Therefore, if communication is possible with the attitude of the light emitting / receiving section 14 as it is, the mirror 21 is intentionally moved. No need to withdraw.

After performing data communication with the mirror 21 in a desired orientation, the mirror 21 is returned to the housed state as necessary. According to this embodiment, the transmission / reception direction can be easily changed by the mirror 21, so that communication can be performed without performing positioning of the personal computer of this embodiment, regardless of the positional relationship with the partner device. That is, infrared data communication with a wide range of partner devices becomes possible.

Further, since the mirror 21 can be stored in the main body 11, it is possible to improve portability without disturbing the carrying of the personal computer by storing the mirror 21 in this way.

Although the plate-shaped support member 22 is used in this embodiment, a rod-shaped support member may be used. Further, the mirror 21 is not limited to a plane mirror. If a convex mirror is used, the radiation range can be widened. Furthermore, if the mirror surface of the mirror 21 is exposed, the appearance is poor and dirt is likely to be formed. Therefore, an acrylic resin film may be attached to the entire surface of the mirror surface. In that case, it is desirable to select a black smoke type of a thin color having a high infrared transmittance.

(Fourth Embodiment) FIG. 8 is a partial sectional view showing a main part of a fourth embodiment. This embodiment is also referred to as Embodiment 1.
Similarly, the present invention relates to a notebook personal computer. Therefore, the same parts as those in FIG.
The description is omitted.

This embodiment is characterized in that the infrared light receiving / emitting section 14 is attached to the housing (the main body 11 or the lid 12) so as to be tiltable. The light emitting / receiving unit 14 in this embodiment is fixed to the main body 11 via a hinge 41.

The hinge 41 is composed of a spherical projection 42 fixed to the light emitting / receiving section 14 and a bearing 43 fixed to the main body 11 and fitted into the spherical projection 42 in a pressed state by a spherical recess with a longitudinal groove. I have. The screw 44 adjusts the vertical groove interval with the tightening force, and adjusts the pressing force between the spherical projection 42 and the bearing 43.

According to this embodiment, the infrared light receiving / emitting section 1
4 can be adjusted to a desired posture and the posture can be maintained, so that communication can be performed without performing positioning of the personal computer of the present embodiment, regardless of the positional relationship with the partner device. That is, infrared data communication with a wide range of partner devices becomes possible.

(Fifth Embodiment) FIG. 9 is a perspective view showing a main part of a fifth embodiment. This embodiment also relates to a notebook personal computer. 9, the same parts as those in FIG. 1 are denoted by the same reference numerals, and description thereof will be omitted.

In this embodiment, the infrared light receiving / emitting section 14 can be rotated about an axis O in a plane perpendicular to the display surface of the display panel 13 and parallel to the central axis of opening and closing of the lid 12. It is attached to the corner of the lid 12. Light receiving / emitting section 1
The fourth light receiving / emitting surface 14a can be rotated from the front to the rear via the side.

According to this configuration, the synergistic effect of the opening / closing angle of the lid 12 and the rotation of the light receiving / emitting unit 14 enables infrared data communication with a far wider range of the partner device. (Sixth Embodiment) FIG. 10 is a perspective view showing a main part of a sixth embodiment. This embodiment also relates to a notebook personal computer. 10, the same parts as those in FIG. 1 are denoted by the same reference numerals, and the description thereof will be omitted.

In this embodiment, the infrared light receiving / emitting section 14 is attached to the main body 11 so as to be rotatable about an axis O in a plane parallel to the keyboard surface 11a. The light emitting / receiving surface 14a of the light emitting / receiving unit 14 can rotate from the side to the rear. This configuration also enables infrared data communication with a wide range of electronic devices.

(Other Embodiments) Although the above embodiment relates to a notebook personal computer, the above configuration can be applied to a personal computer other than a notebook computer and an electronic device other than a personal computer. Further, by arbitrarily combining the configurations of the components of the above embodiments, another embodiment having the effects of the above embodiments can be obtained.

[0062]

As described above, according to the first aspect of the present invention, in an electronic device having an infrared communication function,
An arm having a base end attached to the housing and supporting an infrared light emitting / receiving section at a distal end thereof is provided with an arm capable of changing the direction of the light emitting / receiving section by deformation thereof.

According to the present invention, by deforming the arm, it is possible to adjust the infrared light receiving / emitting portion to a desired posture and to maintain the posture, so that it is possible to adjust the position of the electronic device main body over a wide range. Infrared data communication with an electronic device at the same time becomes possible.

According to the second aspect of the present invention, as the arm,
Since the flexible arm that can change the direction of the light receiving / emitting unit is used by the deformation, communication with a wide range of electronic devices becomes possible.

According to the third aspect of the present invention, as the arm,
Since the arm having a bendable joint and the direction of the light emitting / receiving section can be changed by bending at the joint is used, communication with a wide range of electronic devices becomes possible.

According to the fourth aspect of the present invention, the arm can be stored along the surface of the housing.
Since the light emitting and receiving unit is located outward,
Communication with electronic devices in a wide range can be ensured, and portability can be improved.

According to the fifth aspect of the present invention, the arm is attached to the housing so that the arm can be housed in the housing.
In addition, at the time of storage, since the light receiving / emitting unit is configured to be exposed from the housing, communication with a wide range of electronic devices can be ensured, and portability can be improved.

According to the sixth aspect of the present invention, in an electronic device having an infrared communication function and an infrared light receiving / emitting unit fixed to the housing side, a mirror is provided so as to be able to protrude and retract from the front side of the light receiving / emitting unit. Change the direction of receiving and emitting infrared light.

According to the present invention, since the transmission / reception direction can be easily changed by the mirror, infrared data communication with a wide range of electronic devices becomes possible without performing positioning of the electronic device body.

According to the seventh aspect of the present invention, a supporting member is movably provided on the housing, and a mirror is rotatably provided on the supporting member so that various transmitting and receiving directions can be easily selected by rotating the mirror. Therefore, communication with a wider range of electronic devices becomes possible.

According to the eighth aspect of the present invention, since the mirror can be housed in the housing, and at this time, the mirror does not block the light receiving / emitting section, so that communication with a wide range of electronic devices is possible. , And portability can be improved.

According to the ninth aspect of the present invention, in the electronic device equipped with the infrared communication function, the infrared light receiving / emitting portion is attached to the housing so as to be tiltable, so that the electronic device main body can be aligned over a wide area without performing positioning. Communication with a certain electronic device becomes possible.

The invention according to claim 10 relates to a personal computer having a cover which can be opened and closed with respect to the keyboard surface of the main body, and a display panel provided inside the cover. , Attached to the lid so as to be rotatable in a plane perpendicular to the display surface of the display panel and parallel to the central axis of opening and closing of the lid.

According to the present invention, the synergistic effect of the opening / closing angle of the lid and the rotation of the light receiving / emitting portion enables infrared data communication with a wider range of electronic devices without performing positioning of the electronic device body. Become.

The invention according to claim 11 also relates to a personal computer having a cover that can be opened and closed with respect to the keyboard surface of the main body, and a display panel provided inside the cover.
Since the infrared light receiving / emitting portion is mounted on the main body so as to be rotatable in a plane parallel to the keyboard surface, infrared data communication with a wide range of electronic devices becomes possible.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a state in which a first embodiment of the present invention is stored.

FIG. 2 is a perspective view showing a state at the time of communication according to the first embodiment of the present invention.

FIG. 3 is a perspective view showing an example of a bending arm used in the second embodiment.

FIG. 4 is a perspective view of a third embodiment viewed from the back side.

FIG. 5 is an enlarged view of a portion A in FIG.

FIG. 6 is a perspective view showing another operation state of FIG. 5;

FIG. 7 is a partial sectional view of the hinge in FIG. 5;

FIG. 8 is a partial sectional view showing a main part of a fourth embodiment.

FIG. 9 is a perspective view showing a main part of a fifth embodiment.

FIG. 10 is a perspective view showing a main part of a sixth embodiment.

FIG. 11 is a perspective view showing a conventional example.

FIG. 12 is a perspective view of an infrared communication adapter.

[Explanation of symbols]

 11: Main body 11a: Keyboard surface 11b: Storage hole 12: Lid 13: Display panel 14: Light emitting / receiving unit 15: Flexible arm 15a: Base end 15b: Tip 16: Bending arm 16c: Joint 21: Mirror 22: Support member 23, 41: hinge 25, 43: bearing

Claims (11)

[Claims] 1. An electronic device having an infrared communication function, wherein a base end is attached to a housing side, and an arm for supporting an infrared light receiving / emitting portion at a distal end portion. An electronic device, comprising an arm that can change the setting. 2. The electronic device according to claim 1, wherein a flexible arm capable of changing the direction of the light emitting / receiving unit by deformation thereof is used as the arm. 3. The electronic device according to claim 1, wherein the arm has a bendable joint, and an arm capable of changing the direction of the light emitting / receiving unit by bending at the joint is used. 4. The device according to claim 1, wherein the arm is housed along the surface of the housing, and the light emitting / receiving unit is located outward when the arm is housed. An electronic device according to any one of the above. 5. The device according to claim 1, wherein the arm is attached to the housing so that the arm can be housed in the housing, and the light emitting / receiving unit is exposed from the housing during the housing. The electronic device according to claim 1. 6. An electronic device having an infrared communication function and an infrared light receiving / emitting unit fixed to a housing side, wherein a mirror is provided so as to be able to protrude and retract from the front side of the light receiving / emitting unit, and the mirror receives and emits infrared light. An electronic device that changes direction. 7. A supporting member is movably provided on the housing,
7. The electronic device according to claim 6, wherein the mirror is rotatably provided on the support member. 8. The electronic apparatus according to claim 6, wherein the mirror can be housed in the housing, and the mirror does not block the light emitting / receiving unit during the housing. 9. An electronic device having an infrared communication function, wherein an infrared light receiving / emitting unit is attached to a housing so as to be tiltable. 10. A personal computer having a cover which can be opened and closed with respect to a keyboard surface of a main body and a display panel provided inside the cover, wherein the personal computer has an infrared communication function. A personal computer, wherein the light emitting unit is attached to the lid so as to be rotatable in a plane perpendicular to the display surface of the display panel and parallel to a central axis of opening and closing of the lid. 11. A personal computer having a lid which can be opened and closed with respect to a keyboard surface of the main body, and a display panel provided inside the lid, wherein the personal computer has an infrared communication function. A personal computer, wherein the light emitting unit is attached to the main body so as to be rotatable in a plane parallel to the keyboard surface.