JP2011156893A - Display device, and mirror system - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a technique allowing a user to perform operations of a display device without any confusion when a vertical direction of the display device mounted on a rearview mirror of a vehicle is changed. <P>SOLUTION: The portable display device is removable from a mirror device which can be used as the rearview mirror of the vehicle. A plurality of operation members receiving the operations of the user change corresponding operation functions between the plurality of operation members according to the vertical direction of the display device. Thus, the user can perform the operations of the operation parts without any confusion. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to a display device that displays a predetermined image in response to a user operation.

  In general, a portable display device such as a PND (Personal Navigation Device), which is a navigation device that can be attached to and detached from an installation stand provided on a dashboard in a vehicle interior, is known, and a user moves the display device inside and outside the vehicle. Can be carried around. Note that there is Patent Document 1 as a material for explaining the technology related to the present invention.

Japanese Patent Laid-Open No. 10-318769

  By the way, when the above display device is installed on the dashboard, the view of the user who is a driver during driving may be blocked. For this reason, the structure which attaches and detaches a portable display apparatus to a back mirror can be considered. In this case, if the part where the display device of the rearview mirror is attached / detached can be mounted on both the driver side and the passenger seat side of the vehicle, the display device is mounted on the driver seat side and the passenger seat side. Since the physical arrangement of the operation unit is changed, there is a problem that the user gets lost in the operation.

  The present invention has been made in view of the above problems, and provides a technique that allows a user to operate the display device without hesitation when the vertical direction of the display device mounted on the rearview mirror of the vehicle is changed. Objective.

  In order to solve the above-mentioned problems, the invention of claim 1 is a portable display device that can be attached to and detached from a mirror device that can be used as a rearview mirror of a vehicle, each of which corresponds to a predetermined operation function and accepts a user operation. A plurality of operation members, display means for displaying an image in response to the user's operation, determination means for determining the vertical direction of the display device, and the operation function corresponding to the vertical direction of the display device And an operation function changing means for changing between the plurality of operation members.

  In the display device according to claim 1, in the display device according to claim 1, one of the plurality of operation members corresponds to an operation function in which one indicates an upward direction, and the other corresponds to an operation function instructing a downward direction. The operation function changing means includes a direction member, and reverses the direction corresponding to the two direction members.

  The invention according to claim 3 further comprises image display reversing means for reversing the display direction of the image on the display means in accordance with the vertical direction of the display device in the display device according to claim 1 or 2. .

  According to a fourth aspect of the present invention, there is provided a mirror system mounted on a vehicle, wherein the mirror device includes the display device according to any one of the first to third aspects and a display device mounting portion for mounting the display device. And having.

  Further, the invention according to claim 5 is the mirror system according to claim 4, wherein the display device mounting portion is provided at one end in the longitudinal direction of the mirror device, and the display device can be attached and detached in one direction. The display device includes the plurality of operation members on a side of the opening when the display device is attached to the display device attachment portion.

  According to the first to fifth aspects of the present invention, the user can operate the display device without hesitation by changing the corresponding operation function between the plurality of operation members in accordance with the vertical direction of the display device.

  In particular, according to the invention of claim 2, two directional members corresponding to the operation function in which one indicates the upward direction and the other indicates the downward direction according to the vertical direction of the display device, By inverting the corresponding direction, the user can operate the display device without hesitation.

  According to the invention of claim 3 in particular, the user can visually recognize an image suitable for the position of the display unit and the operation unit by inverting the display direction of the image on the display unit according to the vertical direction of the display device. The image can be operated according to the display.

  According to the invention of claim 4 in particular, the user can operate the display device by changing the corresponding operation function among the plurality of operation members according to the vertical direction of the display device mounted on the mirror device. You can do without hesitation.

  Further, according to the invention of claim 5 in particular, when the display device is mounted on the display device mounting portion, the corresponding operation function is changed between a plurality of operation members according to the vertical direction of the display device. By providing a plurality of operation members, the user can operate the display device without hesitation.

FIG. 1 is a view showing a vehicle interior provided with a mirror system. FIG. 2 is a diagram showing a configuration for attaching / detaching the mirror device to / from the rearview mirror fixedly arranged on the vehicle. FIG. 3 is a diagram showing a configuration for attaching and detaching the display device from the side with respect to the mirror device. FIG. 4 is a diagram illustrating a configuration in which the display device is attached to and detached from the mirror device from above. FIG. 5 is a diagram showing in detail a configuration for attaching and detaching the display device from the side with respect to the mirror device. FIG. 6 is a diagram showing a modification of the detachable configuration of the display device with respect to the mirror device. FIG. 7 is a diagram showing in detail a configuration for attaching / detaching the display device to / from the mirror device from above. FIG. 8 is a diagram showing another first mode of the mirror device and the display device. FIG. 9 is a diagram showing another second form of the mirror device and the display device. FIG. 10 is a block diagram of an electrical configuration of the display device. FIG. 11 is a diagram illustrating a state of the display device when the display device is vertically installed. FIG. 12 is a diagram illustrating a state in which the display device is mounted on the display device mounting portion of the mirror device. FIG. 13 is a processing flow of the control unit accompanying the change in the vertical direction of the display device.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings.

<Embodiment 1>
<1-1. System configuration>
FIG. 1 is a view showing a vehicle interior provided with a mirror system 10. This mirror system 10 is configured by a combination of a mirror device 11 and a display device 100, and the mirror device 11 is mounted on a vehicle 1 (in the present embodiment, an automobile) and is located near the windshield 50 of the vehicle 1. The rear mirror BR1 (see FIG. 2) fixedly arranged is detachably engaged and fixed so as to cover the mirror surface.

  The mirror device 11 includes a mirror unit 12 that allows a user to visually recognize an object reflected in the mirror, and a display device mounting unit 13 that allows the display mounting 100 to be attached and detached. The configuration of the display device mounting portion 13 will be described in detail later.

  The display device 100 is, for example, a navigation device or an audio device, and is a portable device that displays a predetermined image by a user operation.

  The mirror device 11 is connected to the cigar power source 20 of the vehicle 1 via a cable, and operates by supplying power from the cigar power source 20. Further, the power supply from the cigar power supply 20 is stopped by the ACC / OFF of the vehicle 1, and the display device 100 attached to the mirror device 11 is turned off. Further, the display device 100 is in a battery drive state. When the display device 100 is mounted on the mirror device 11 in the ACC / ON state and the storage battery is charged by the charging circuit 107 (see FIG. 10) of the display device 100, the power button 1021 of the display device 100 is used. By operating (see FIG. 11), the display device 100 is turned on.

  The operation of the display device 100 mounted on the mirror device 11 includes an operation unit provided in the display device 100 described later, a touch panel operated by the user touching the display unit of the display device 100, and a display by the user. This is performed by the sub-controller 30 or the like as an operation means when the apparatus 100 is remotely operated.

  In FIG. 1, the display device 100 is mounted on a display device mounting portion 13 (see FIG. 3), which will be described later, on the driver's seat D1 side. However, the display device 100 is fixedly disposed by the engaging portion 14 of the mirror device 11 described below. By engaging with the rearview mirror, the position of the display device mounting portion 13 can be changed to the passenger seat S1 side.

In this embodiment, the display device 100 is described as being configured to be attached to and detached from the display device mounting portion 13 of the mirror device 11, but the display device 100 can be attached to and detached from the dashboard 40 of the vehicle 1. It is possible to perform versatile installation, for example, by installing an installation stand (not shown), and the installation location of the display device 100 can be changed by arbitrary selection by the user.
<1-2. Attachment / detachment configuration of mirror device to rearview mirror
FIG. 2 is a diagram showing a configuration for attaching and detaching the mirror device 11 to the rearview mirror BR1 fixedly arranged on the vehicle 1. The mirror device 11 is mounted on the rearview mirror BR1 fixedly arranged near the windshield 50 of the vehicle 1. In this mounting, the claw-shaped engaging portion 14 provided substantially symmetrically on the back surface of the mirror device 11 is sequentially engaged and fixed to the rearview mirror BR1.

  Further, the mirror device 11 is detached from the rearview mirror BR1, and the vertical direction of the mirror device 11 is reversed. Then, by engaging the engaging portion 14 with the rearview mirror BR1 and fixing it to the rearview mirror BR1, the mirror device 11 is reversed (the position of the display device mounting portion 13 is changed from the driver seat D1 side to the passenger seat S1 side). Or a state in which the position of the display device mounting portion 13 is changed from the passenger seat S1 side to the driver seat D1 side). Thereby, according to the vehicle type of the vehicle 1 and the seat position of the user who actually uses the display device 100, the display device 100 can be installed on any side of the driver seat side D1 side or the passenger seat S1 side. As a result, the display device 100 can be installed at the height of the line of sight when the user is seated on the seat, and can be easily mounted in a state where the user is seated on the seat at a highly visible position in the vehicle 1. In addition, any user can easily remove the display device 100 from the vehicle 1 or change between vehicles.

2 shows a configuration in which the upper and lower engaging portions 14 are engaged with and fixed to the rearview mirror BR1 in FIG. The position of the display device mounting portion 13 can be changed to both the driver seat D1 side and the passenger seat S1 side, for example, by sliding the mirror BR1 from either the driver seat D1 side or the passenger seat S1 side. Other configurations may be used as long as they are configured. Further, an urging means such as an elastic body (for example, a spring or rubber) that applies an urging force to the upper and lower engaging portions 14 in a direction close to each other may be provided. According to this, the fixing force to the rearview mirror BR1 by the engaging portion 14 is improved, and it is possible to attach to rearview mirrors of various sizes, and the versatility of the mirror device 11 is further improved.
<1-3. Attachment / detachment configuration of display device with respect to display device mounting portion>
FIG. 3 is a diagram showing a configuration in which the display device 100 is attached to and detached from the mirror device 11 from the side. Note that the display device 100 described below is attached to and detached from the mirror device by engaging the mirror device 11 with the rearview mirror BR1 fixedly arranged on the vehicle 1 by using an engaging portion 14 provided on the back surface of the mirror device 11. Is performed in a fixed state.

  In the view shown in FIG. 3, the display device mounting portion 13 is provided at one end in the longitudinal direction of the mirror device 11. Since the display device mounting portion 13 is thus configured independently of the mirror portion 12 at one end in the longitudinal direction, the visibility of the mirror portion 12 is affected even when the display mounting 100 is mounted. There is no.

  In the upper diagram of FIG. 3, the mirror unit 12 of the mirror device 11 is located on the passenger seat S1 side, and the display device mounting unit 13 is located on the driver seat D1 side. A side opening 130 is provided on the side of the display device mounting portion 13 on the driver seat D1 side. The display device 100 has a side passenger opening 130 on the side opening 130 from the right side of the driver seat D1 (hereinafter also referred to as “vehicle right side”) with respect to the traveling direction of the vehicle 1 to the left passenger seat with respect to the traveling direction of the vehicle 1. It is mounted toward the S1 side (hereinafter also referred to as “vehicle left side”). In addition, when removing the display apparatus 100 from the display apparatus mounting part 13, the display apparatus 100 is removed from the vehicle left side to the vehicle right side. Thus, by having the side opening 130 that allows the display device 100 to be detachable in one direction, the display device 100 can be easily attached and detached by the user.

  3 is a view in which the position of the display device mounting portion 13 of the mirror device 11 is changed from the vehicle right side to the vehicle left side. With this change, the mirror unit 12 is changed from the left side of the vehicle to the right side of the vehicle. The position of the display device mounting portion 13 is changed by the method of engaging the engaging portion 14 of the mirror device 11 described with reference to FIG. 2 with the rearview mirror BR1.

  The display device 100 is mounted on the side opening 130 on the side of the display device mounting portion 13 on the left side of the vehicle from the left side of the vehicle toward the right side of the vehicle. The display device 100 is removed from the vehicle right side to the vehicle left side. In the present embodiment, in consideration of the case where the display device 100 is used by a user on the driver's seat D1 side on the right side of the vehicle and the passenger seat S1 side on the left side of the vehicle, the display device mounting portion 13 is provided on both. However, when the driver's seat D1 is on the left side of the vehicle according to the vehicle type of the vehicle 1, the display device mounting portion 13 of the mirror device 11 is positioned on the left side of the vehicle, and the engaging portion 14 is engaged with the rearview mirror BR1. Let it fix. Thereby, the mirror apparatus 11 can be installed in the rear-view mirror BR1 so that the display apparatus mounting part 13 may be provided in the arbitrary sides of a user.

  Thus, since the position of the display device mounting portion 13 can be changed to both the driver seat D1 side and the passenger seat S1 side according to the seat position of the user who uses the display device 100, the display device 100 is actually used. The display device mounting portion 13 can be provided on the user side to be used, and the display device 100 at the height of the user's line of sight can be easily attached and detached while the user is seated on the seat, and the visibility to the display device 100 is improved. Will improve.

  FIG. 4 is a diagram illustrating another form of FIG. 3, and is a diagram illustrating a configuration in which the display device 100 is attached to and detached from the mirror device 11 from above. A difference from the configuration described in FIG. 3 is that a side opening 130 provided on the side of the display device mounting portion 13 is provided in the upward direction (hereinafter also referred to as “the vehicle upper side”). .

  4, the display device mounting portion 13 is provided at one end in the longitudinal direction of the mirror device 11, and the display device 100 is mounted from the side opening 130 provided on the vehicle upper side of the display device mounting portion 13. . The display device 100 is removed from the lower direction (hereinafter referred to as “vehicle lower side”), which is the opposite direction of the vehicle upper side, toward the vehicle upper side.

  4 is different from the configuration described in FIG. 3 in that a side opening 130 is provided on the lower side of the vehicle. This is because the side opening 130 is located on the lower side of the vehicle by inverting the mirror device provided on the upper side of the vehicle in the upper part of FIG. Accordingly, the user on the driver's seat D1 side can easily attach and detach the display device 100 while sitting on the seat without affecting the visibility of the mirror unit 12. Further, the visibility to the display device 100 is improved.

In the present embodiment, the direction of the vehicle left side and the vehicle right side, or the vehicle upper side and the vehicle lower side has been described with respect to the attaching / detaching direction of the display device 100 with respect to the display device mounting unit 13. The display device 100 may be mounted on the mirror device 11 from the rear of the vehicle in the direction opposite to the direction toward the front of the vehicle, which is the traveling direction of the vehicle, and the display device 100 may be removed from the front of the vehicle toward the rear of the vehicle.
<1-4. Detailed attachment / detachment configuration of display device to display device mounting portion>
FIG. 5 is a diagram showing in detail a configuration in which the display device 100 described in FIG. 3 is attached to and detached from the mirror device 11 from the side. In the following, directions are appropriately indicated using the xyz coordinate axes shown in the drawing. The xyz coordinate axes are fixed relative to the mirror device 11. The longitudinal direction of the mirror device 11 corresponds to the x-axis direction, the depth direction corresponds to the y-axis direction, and the vertical direction corresponds to the z-axis direction. The mirror device 11 includes a mirror unit 12, a display device mounting unit 13, and an engaging unit 14. As described above, the display device 100 is mounted on the display device mounting portion 13 through the side opening 130.

  The display device 100 includes a display unit 101 that displays a predetermined image by a user operation, an operation unit 102 that is operated by a user when realizing a predetermined function of the display device 100, and a guide member of a display device mounting unit 13 that will be described later. A guide groove 103 is provided for fitting with 1032.

  The display device mounting portion 13 includes two mounting surface members 1031 at vertically opposed positions, and three surfaces (+ z side, −z side, and + y) with a back surface member 1033 that is a coupling surface that couples the two mounting surface members 1031. Side) that surrounds the display device 100 to be mounted and is different from these three surfaces (+ z side mounting surface member 1031, −z side mounting surface member 1031, and + y side back surface member 1033) (x It is comprised with the frame which has the side surface opening part 130 for attaching or detaching the display apparatus 100 to an axial direction.

  When the display device 100 is mounted from the side opening 130, the guide member 1032 is engaged with the guide groove 103 of the display device 100 to guide the display device 100 into the display device mounting portion 13. Thereby, it is possible to prevent the display device 100 from falling off in the direction (−y direction) orthogonal to the attaching / detaching direction (x axis direction).

  Note that the guide member 1032 of the present embodiment has a guide groove 103 and a guide member 1032 of the display device 100 that are easy to guide the display device 100 from the side opening 130 into the display device mounting portion 13. A guide member 1032 is provided so as to be parallel. The guide member 1032 may be inclined in a direction that intersects the guide direction (x-axis direction) of the display device 100. Further, the guide groove 103 of the display device 100 may be inclined in a direction intersecting with the guide direction (x-axis direction). Thereby, the fitting between the guide member 1032 and the guide groove 103 can be made stronger.

  Furthermore, the display device 100 can be prevented from falling off by configuring the surface of the display device 100 with a member having a large frictional force such as rubber.

  Then, when the display device 100 moves to a position where it is joined to the connection connector portion 1034 in the display device mounting portion 13 in a state where the guide groove 103 and the guide member 1032 are fitted, the locking portion 1038 is displayed. It engages with a locking groove 119 provided on the back surface of the device 100. Thereby, it is possible to prevent the display device 100 from falling off the side opening 130.

  Further, when the display device 100 is mounted on the display device mounting portion 13, the operation unit 102 of the display device 100 is provided on the side opening 130 side, and the display device 100 remains mounted on the mirror device 11 while the mirror device 11 is mounted. The operation by the operation unit 102 can be performed from the side. As a result, even if the operation unit 102 is operated, the operation is performed from the side of the mirror device 11, so that the mirror device 11 is difficult to move from the preset position, and the troublesome operation of adjusting the mirror position (orientation) again. Less to do.

  Further, the display device 100 includes a connector 112 that is electrically connected to the connection connector portion 1034 when the display device is attached to the display device attachment portion 13, and receives power supply from the mirror device 11 via the connector 112. Operate or charge. Further, the display device 100 receives vehicle information such as vehicle speed information from the main body of the vehicle 1 and image information of the surroundings of the vehicle taken by a camera (not shown) from the mirror device 11 via the connector 112.

  An audio opening 1035 is provided on the back surface portion 1033 of the display device mounting portion 13. The audio opening 1035 is provided at a position facing the audio output unit 105 provided on the back surface of the display device 100 when the display device 100 is mounted on the mirror device 11. Thereby, the audio output of the display device 100 attached to the mirror device 11 can be performed in the same state as when the display device 100 is not attached to the mirror device 11.

  Note that the voice opening 1035 may be provided at a position other than that in this embodiment. That is, the position of the audio opening 1035 in the display device mounting unit 13 is set according to the position of the audio output unit 105 of the display device 100 so that the audio output unit 105 and the audio opening 1035 of the display device 100 are provided to face each other. May be changed. For example, when the audio output unit 105 exists below the display device 11, the audio opening 1035 may be provided in the lower mounting surface member 1031. Further, in order to maintain the strength, the voice opening 1035 may be configured with a large number of minute holes. As a result, the sound output of the display device 100 attached to the mirror device 11 is the same as when the display device 100 is not attached to the mirror device 11, that is, the output sound of the wall surface of the mirror device 11 is not blocked. Audio output can be performed.

  When the user presses the eject button 1036 when removing the display device 100 attached to the mirror device 11, the engagement between the locking groove 119 and the locking portion 1038 of the display device 100 is released. Then, the pushing member 1037 provided in the display device mounting portion 13 pushes the display device 100 in the direction of removing the display device 100, so that the user can remove the display device 100. As a result, the display device 100 can be removed from the mirror device 11 in the vehicle interior, and a destination search or the like can be performed, or the display device 100 can be operated or carried by itself, such as taking the display device 100 out of the vehicle.

  In addition, when the user wants to enlarge the area of the mirror unit 12, the display unit 101 is made a mirror surface by the function of the display device 100 in a state where the display device 100 is mounted on the display device mounting unit 13. Can be improved. Further, with the display device removed from the display device mounting portion 13, a mirror surface wound in a roll shape around the boundary portion between the mirror portion 12 and the display device mounting portion 13 is pulled out or inside the mirror portion 12. The entire display device mounting portion may be a mirror surface by using a configuration in which the mirror surface on the arranged plane is drawn out and covers the display device mounting portion 13. As described above, when the display device 100 is not used by the user, the visibility of the user using the mirror device 11 can be improved by increasing the mirror area.

  FIG. 6 is a modification of the mirror device 11 of the display device 100 of FIG. 5 differs from the configuration described in FIG. 5 in that a surface member 1039 is provided in a direction (−y side) orthogonal to the attaching / detaching direction of the display device 100 of the mounting surface member 1031 instead of the guide member 1032 of FIG. is there. With this configuration, when the display device 100 is mounted on the display device mounting portion 13 from the side opening 130, it is possible to prevent the display device 100 from dropping in a direction (−y side) perpendicular to the attaching / detaching direction of the display device 100. Other configurations are the same as those shown in FIG.

  As described above, the guide member 1032 in FIG. 5 and the surface member 1039 in FIG. 6 indicate that the display device 100 falls off in the direction (−y side) perpendicular to the attaching / detaching direction (x-axis direction) of the display device 100. It functions as a restraining member to prevent.

  Further, the guide member 1032 of FIG. 5 and the surface member 1039 of FIG. Thereby, it can prevent reliably that the display apparatus 100 falls out in the direction orthogonal to the attachment / detachment direction. Further, by providing an elastic member such as a rubber that is in contact with the surface member 1039 of the display device 100, the stability when the display device 100 is mounted is improved.

  FIG. 7 is a diagram showing in detail a configuration in which the display device 100 is attached to and detached from the mirror device 11 from above. The difference from the configuration described in FIG. 5 is that the position of the side opening 130 is changed upward from the side of the display device mounting portion 13. That is, the side opening 130 is provided on the upper side of the vehicle.

  As the side opening 130 is provided on the vehicle upper side (+ z side), the arrangement positions of the members are different from those in FIG. Specifically, in the display device mounting portion 13, the mounting surface member 1031 is provided on the + x side and the −x side. Further, a guide member 1032 provided in the mounting surface member 1031 is provided in parallel with the z-axis direction, and a connection connector portion 1034 is provided on the −z side. The eject button 1036 is provided on the + x side, the pushing member 1037 is provided on the −z side, and the locking portion 1038 is provided on the + y side.

  In the display device 100, the operation unit 102 is provided on the + z side, the guide groove 103 is provided on the + x side and the −x side, the locking groove 119 is provided on the + y side, and the connector 112 is provided on the −z side. ing. These members have the same functions as those described with reference to FIG. 5 although the installation positions are different from those of FIG. 5 described above, and other configurations are the same as those described with reference to FIG.

  7 can also change the position of the display device mounting portion 13 from the right side of the vehicle shown in FIG. 7 to the left side of the vehicle. In this case, the side opening 130 is directed to the lower side of the vehicle.

  Also in this case, the locking portion 1038 prevents the display device 100 from falling off from the side opening 130, and the guide member 1032 causes a direction (-y direction) perpendicular to the attaching / detaching direction (z-axis direction) of the display device 100. ) To prevent falling off. 7 is provided on the mounting surface member 1031 in parallel with the z axis, instead of the guide member 1032 in FIG. 7, the display device 100 is orthogonal to the attaching / detaching direction (z axis direction). It can prevent falling off in the direction (−y direction).

Further, by using both the guide member 1032 and the surface member 1039, it is possible to reliably prevent the display device 100 from falling off the side surface opening 130 and dropping in the direction perpendicular to the attaching / detaching direction.
<1-5. Modification of mirror device>
FIG. 8 is a diagram showing another first mode of the mirror device 11 and the display device 100. The mirror device 11 of FIG. 8 differs from the configuration described in FIG. 5 in that the mirror unit 12 covers the surface of the display device mounting unit 13 and the display device 100 is mounted on the mirror device 11. 13, the display device opening 1050 is provided at a position where the display unit 101 and the mirror unit 12 of the display device 100 overlap each other. Thereby, the area of the mirror part 12 expands rather than the mirror part 12 of FIG. 5, and a user's visibility to the mirror apparatus 11 improves.

  In FIG. 8, the back member 1033 described in FIG. 5 and the voice opening 1035 provided in the back member 1033 are not provided, but the fitting of the guide member 1032 and the guide groove 103 of the display device mounting portion 13 is performed. Even without the back member 1033, it is possible to prevent the display device 100 from dropping off in front of the vehicle. In this case, the mirror 12 around the device opening 1050 functions as a coupling surface that couples the two mounting surface members 1031.

  In addition, when an audio output unit (not shown) is provided on the back surface of the display device 100, the audio opening 1035 is not required because the back member 1033 is not provided in the display device mounting unit 13.

  Instead of the guide member 1032, a surface member similar to the surface member 1039 as described in FIG. 6 may be provided, or both the guide member 1032 and such a surface member may be provided. Further, a back member such as the back member 1033 described with reference to FIG. 5 may be provided. In this case, when a sound output unit is provided on the back surface of the display device 100, as shown in FIG. In addition, an audio opening 1035 can be provided at a position corresponding to the audio output portion of the back member. Other configurations are the same as those described in FIG.

  FIG. 9 is a diagram showing another second form of the mirror device 11 and the display device 100. 9 differs from the configuration described in FIG. 5 in that there is no mounting surface member 1031 facing the display device mounting portion 13 of the mirror device 11, and the display device 100 is mounted by the back member 1033. It is a point to do.

  More specifically, the guide member 1032 provided on the mounting surface member 1031 in FIG. 5 is provided on the back surface member 1033, and the guide member 1032 and the guide groove 103 provided on the back surface of the display device 100 are fitted. As a result, the display device 100 is attached to the mirror device 11. As a result, the display device 100 is prevented from falling off toward the rear of the vehicle (−y direction). Other configurations are the same as those described in FIG.

Further, in the above-described embodiment, the mirror device 11 that can be attached and detached so as to cover the rearview mirror BR1 fixed to the vehicle 1 has been described as the mirror device 11 that can be attached to and detached from the display device 100. A display device mounting unit 13 may be added to the fixed rearview mirror BR1 itself so that the display device 100 can be attached and detached.
<2-1. Configuration of display device>
FIG. 10 is a block diagram of an electrical configuration in the display device 100. The display device 100 includes a display unit 101, an operation unit 102, a GPS information reception unit 104, an audio output unit 105, a storage battery 106, a charging circuit 107, a wireless communication transmission / reception unit 108, a memory 109, a navigation unit 110, a control unit 111, and a connector 112. , And an acceleration sensor 113.

  The display unit 101 includes a liquid crystal panel and a backlight, and displays map information generated by the navigation unit 110, guide route information to a destination, image information from a camera provided in the vehicle 1 (not shown), and the like. To do.

  The operation unit 102 includes a plurality of operation members provided in the display device 100, such as a switch, a volume, a rotary pulse switch, and the like, and includes a power button for turning on and off the display device 100, A volume switching button for adjusting the volume of the sound output from the sound output unit 105 is included. In addition to the above, as a display device operation means, when the user touches the touch panel with a finger or a dedicated pen on the display unit 101, the touched position is detected and operated, infrared light operated remotely, There is a radio remote controller 30 and the like.

  The GPS information receiving unit 104 includes an antenna and a tuner unit, and receives a GPS signal from a satellite. The received GPS signal is output to the navigation unit 110, and the position of the vehicle 1 is specified based on the GPS signal.

  The audio output unit 105 is for outputting audio information from the navigation unit 110, and outputs audio information when the display device 100 is used alone or attached to the mirror device 11.

  The storage battery 106 supplies power to each part of the display device 100 when the display device 100 is detached from the mirror device 11. Further, when the display device 100 is mounted on the display device mounting portion 13 of the mirror device 11, power is supplied from the cigar power supply 20 via the power supply terminal of the connector 112, and the storage battery 106 is charged by the charging circuit 107. .

  The wireless communication transmission / reception unit 108 transmits / receives call voice to / from a mobile phone and acquires information used for navigation via the mobile phone. For the wireless communication transmitting / receiving unit 108, for example, Bluetooth (registered trademark), which is a short-range wireless transmission system in the 2.4 GHz band, is used.

  The memory 109 is, for example, a RAM that can be read and written, and temporarily stores information read for various controls.

  The navigation unit 110 includes a map information storage unit (not shown) that acquires and stores an SD (Secure Digital) card (registered trademark) or a USB memory that stores map information used for navigation. The current position information is determined by the GPS signal from and a map image for navigation is created. The created map image can be displayed on the display unit 101.

The control unit 111 controls each unit of the display device 100. Further, the control unit 111 acquires information on various signals such as vehicle speed information from the vehicle main body and image information from a camera (not shown) via the connector 112, and controls the display device 100 based on the information.
Further, the control unit 111 determines a change in the vertical direction of the display device 100 based on gravitational acceleration information from an acceleration sensor 113 described later, and a plurality of operation members of the operation unit 102 are changed along with the change in the direction. Change the operation function with. This change in operation function will be described in detail below.

  The connector 112 is connected to a connection connector portion 1034 provided in the display device mounting portion 13 of the mirror device 11, receives power supply from the cigar power source 20, and receives vehicle speed information and an image from a camera provided in the vehicle 1. It functions as an interface for receiving vehicle information such as information.

The acceleration sensor 113 detects the gravitational acceleration of the display device 100. The control unit 111 detects a change in the vertical direction of the display device 100 based on the gravitational acceleration information and coordinate axes preset in the display device 100 described later.
<2-2. Function change between multiple operating members of display device>
FIG. 11 is a diagram illustrating a state of the display device when the display device 100 is vertically installed. The display device 100 stores in advance a three-dimensional XYZ orthogonal coordinate for detecting a change in the vertical direction of the display device 100 in a storage device such as a memory. Then, based on the coordinate axis and the information on the gravitational acceleration detected by the acceleration sensor 113, a change in the orientation of the display device 100 is detected.

  Specifically, as shown in the upper part of FIG. 11, the display device 100 sets coordinate axes in advance. As for the coordinate axes, the + Z axis direction of the display device 100 is the upward direction of the display device 100, the −Z axis direction is the downward direction of the display device 100, the + X axis direction is the right direction of the display device 100, and the −X axis direction is the display device 100. Left direction, + Y axis direction is defined as the back direction of the display device 100, and -Y axis direction is defined as the front direction of the display device 100. In this setting, the display unit 101 is provided in the front direction of the display device 100 and the operation unit 102 is provided in the right direction.

  The operation unit 102 is provided with a plurality of operation members arranged in the vertical direction (Z-axis direction). Specifically, a power button 1021 for turning on / off the power of the display device 100 and a function switching button 1022 for switching between a navigation function and an audio function of the display device 100 are provided from above to below. Yes.

  In addition, the volume of the audio information output from the audio output unit of the display device 100 is adjusted, and an upward arrow indicates a volume switching button 1023a that is a direction member of an operation function that increases the volume, and a downward arrow indicates an operation function that decreases the volume. A volume switching button 1023b, which is a directional member, is provided.

  Furthermore, a camera image switching button 1024 for switching between a navigation image and a video from a rear camera provided in the vehicle 1 and outputting the same to the display unit 101 is provided. The operation member of the operation unit 102 shown here is an example, and other operation members can be provided.

  And the operation function between the several operation members of the operation part 102 is changed by changing the upper direction and the downward direction of the display apparatus 100 as shown in the lower stage of FIG. Here, the determination of the change between the upward direction and the downward direction of the display device 100 is performed by the control unit 111.

  Specifically, in the upper part of FIG. 11, the gravitational acceleration of the display device 100 detected by the acceleration sensor 113 is detected in the −Z-axis direction.

  Next, by changing the upper direction and the lower direction of the display device 100, the gravitational acceleration of the display device 100 is detected in the + Z-axis direction as shown in the lower part of FIG. As described above, the control unit 111 determines that the direction of the upper direction and the lower direction of the display device 100 has been changed due to the change in the detection direction of the gravitational acceleration based on the coordinate axes.

  As the display device 100 changes upward and downward, the arrangement of buttons that are operation members of the operation unit 102 also changes. Here, even if the display device 100 is reversed because each button is displayed with a mark such as the power button 1021 or a character is displayed regarding the function such as the function switching button 1022, the user can You can operate each button without making mistakes.

  Further, the positions of the volume switching button 1023a and the volume switching button 1023b are reversed by changing the direction of the display device 100 in the upward direction (volume increase) and the downward direction (volume decrease). In this way, when one of the two directional members corresponds to the operation function for instructing the upward direction and the other is an operation function for instructing the downward direction, along with the change between the upward direction and the downward direction of the display device 100, Corresponding directions are reversed between two direction members which are a plurality of operation members. Specifically, the volume switching button 1023 becomes a directional member corresponding to an operation function for raising and lowering the volume, and the volume switching button 1023b becomes an operation function for instructing an upward direction (volume increase) and becomes a directional member. Further, the volume switching button 1023a serves as an operation function for instructing a downward direction (volume reduction) and serves as a direction member. This process is performed by the control unit 111. Thus, the user can perform the operation without hesitation according to the vertical direction of the display device 100.

  In the present embodiment, the volume switching button 1023a and the volume switching button 1023b are described as separate operation members. However, these volume switching buttons are integrated and functionally separated. Even when an operation member is used, that is, when a button for raising or lowering the volume is provided as one operation member, the user can operate by changing the operation function in accordance with the change in the vertical direction of the display device 100. Can be done without hesitation.

  Note that the control unit 111 inverts the display direction of the image displayed on the display unit 101 according to the vertical direction according to the vertical direction of the display device. Accordingly, the user can visually recognize the display unit 101 and the image in the direction corresponding to the vertical direction of the display unit 101, and can perform an operation according to the display content of the image. Further, the reversal of the vertical direction of the display direction of the image displayed on the display unit 101 may be performed when the two direction members reverse the corresponding directions.

  FIG. 12 is a diagram illustrating a state in which the display device 100 is mounted on the mirror device 11. The function change of the volume switching button 1023a and the volume switching button 1023b will be described in detail with reference to FIG.

  The upper part of FIG. 12 shows a state in which the mirror device 11 is engaged and fixed to the rearview mirror BR1 fixedly arranged on the vehicle 1 by the engaging portion 14. And the structure by which the display apparatus 100 is mounted | worn with the display apparatus mounting part 13 located in the vehicle right side is shown.

  When the display device 100 mounted on the mirror device 11 is viewed from the arrow direction AR1, the guide groove 103 of the display device 100 is fitted in the guide member 1032 of the display device mounting portion 13. As a result, it is possible to prevent the display device 100 from dropping off toward the rear of the vehicle.

  The operation unit 102 of the display device 100 is provided with a power button 1021, a function switching button 1022, a volume switching button 1023a, a volume switching button 1023b, and a camera image switching button 1024 from the upper side to the lower side of the vehicle.

  Here, the volume switching button 1023a, which is an operation member for instructing the upward direction, has a function of increasing the volume, and the volume switching button 1023b, which is an operation member for instructing the downward direction, has a function of decreasing the volume.

  The lower part of FIG. 12 shows a state in which the vertical direction of the mirror device 11 shown in the upper part of FIG. 12 is changed, and shows a state in which the mirror unit 11 is engaged with and fixed to the rearview mirror BR1. And the display apparatus 100 with which the mirror apparatus 11 located in the left side of the vehicle with the change of the vertical direction of the mirror apparatus 11 also shows the state where the arrangement of the operation members of the operation unit 102 is reversed. .

  When the display device 100 mounted on the mirror device 11 is viewed from the arrow direction AR2, the guide groove 103 of the display device 100 is fitted in the guide member 1032 of the display device mounting portion 13. As a result, it is possible to prevent the display device 100 from dropping off toward the rear of the vehicle.

  The operation unit 102 of the display device 100 is provided with a camera image switching button 1024, a volume switching button 1023b, a volume switching button 1024a, a function switching button 1022, and a power button 1021 from the upper side to the lower side of the vehicle.

  Here, in accordance with the reversal of the vertical direction of the volume switching button 1023a and the volume switching button 1023b by changing the vertical direction of the display device 100, the downward direction is indicated before the change, and the upward direction is indicated after the change. The volume switching button 1023b, which is an operation member that performs, has a function of increasing the volume. The volume switching button 1023b, which is an operation member for instructing the upward direction before the change and the downward direction after the change, has a volume reduction function.

  In this change, the control unit 111 changes the operation function. Thereby, even when the position of the operation member of the operation unit 102 is changed due to the change in the vertical direction of the display device 100, the user can operate the operation unit 102 without hesitation.

  In the present embodiment, the change in the operation function between the operation members instructing the vertical direction of the operation unit 102 according to the vertical direction of the display device 100 is described in the present embodiment. You may change the operation function between the operation members which instruct | indicate the left-right direction. For example, the operation unit 102 provided on the + x side substantially parallel to the z-axis may be provided on the + z side substantially parallel to the x-axis to change the operation function between these operation members.

<3. Processing flow>
Next, processing of the control unit 111 accompanying change in the vertical direction of the display device 100 will be described using the processing flow of FIG. This process is started when the display device 100 is turned on, and is repeatedly executed every predetermined time. When the control unit 111 of the display device 100 reads the gravity acceleration information of the display device 100 from the acceleration sensor 113 (Yes in step S202), the control unit 111 determines the gravity of the display device 100 based on the preset coordinate axes. Detect the direction of acceleration.

  Returning to the determination in step S202, when the gravity acceleration information of the display device 100 is received from the acceleration sensor 113, the direction of the gravity acceleration of the display device 100 detected by the control unit 111 is based on the preset coordinate axis. When it is determined that 100 is reversed (step S203 is Yes), the setting of the operation function between the operation members of the operation unit 102 is changed (step S204).

  Specifically, an operation function between a plurality of operation members, that is, a volume switching button 1023a having a function of increasing the volume by pointing up and a volume switching button 1023b having a function of decreasing the volume by pointing down. To change.

  Thereby, even if the user changes the vertical direction of the display device 100, the user can perform the operation without hesitation.

  After the process of step S204 is completed, the display function setting is changed. Specifically, the display direction of the image displayed on the display unit 101 is reversed with the change in the vertical direction of the display device 100. Thereby, the user can visually recognize an image suitable for the position of the display unit 101 and the operation unit 102 and can perform an operation according to the image display.

  If no change in the vertical direction of the display device 100 is detected in step S203, the process ends.

DESCRIPTION OF SYMBOLS 11 ... Mirror apparatus 12 ... Mirror part 13 ... Display apparatus mounting part 14 ... Engagement part 100 ... Display apparatus 101 ... Display part 102 .... Operation part 103 ... Guide groove 1032 ... Guide member 1038 ... Locking part

Claims (5)

A portable display device detachable from a mirror device that can be used as a rearview mirror of a vehicle,
A plurality of operation members each corresponding to a predetermined operation function and receiving a user operation;
Display means for displaying an image in response to the user's operation;
Discriminating means for discriminating the vertical direction of the display device;
An operation function changing unit that changes the corresponding operation function between the plurality of operation members according to the vertical direction of the display device;
A display device comprising: The display device according to claim 1,
The plurality of operation members include two directional members corresponding to an operation function in which one is instructing an upward direction and the other is instructing an downward direction,
The operation function changing means reverses the direction corresponding to the two direction members;
A display device. The display device according to claim 1 or 2,
Image display reversing means for reversing the display direction of the image on the display means in accordance with the vertical direction of the display device;
A display device further comprising: A mirror system mounted on a vehicle,
A display device according to any one of claims 1 to 3,
The mirror device having a display device mounting portion for mounting the display device;
A mirror system comprising: The mirror system according to claim 4,
The display device mounting portion is
It is provided at one end in the longitudinal direction of the mirror device, and has an opening that allows the display device to be attached and detached in one direction,
The display device includes the plurality of operation members on the opening side when mounted on the display device mounting portion;
Mirror system characterized by