JP2012066640A - In-vehicle electronic equipment - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide in-vehicle electronic equipment which can display information such as characters, numbers, images, or videos without reducing the size of a rear-view mirror, and is excellent in operability.SOLUTION: A display control substrate 12 comprising a control part is arranged at the right side in a rear case 11 which is thin, elongated, and open in the front. A body control substrate 15 comprising the control part and an electronic device body control part is arranged in the center. Further, a display panel 13 comprising an information presentation part by laminating is arranged in the display control substrate 12. Furthermore, a mirror 14 comprising the mirror surface part of the rear-view mirror is arranged so as to cover the display control substrate 12, the body control substrate 15, and the display panel 13. A touch screen 16 comprising a touch detection part is arranged so as to cover the mirror 14.

Description

  The present invention relates to an in-vehicle electronic device having both a function of a rearview mirror and an electronic device such as a navigation device, a microwave detector, and a drive recorder.

  Conventionally, as a device for assisting the driver in securing the field of view of the vehicle, a monitor such as a CCD camera installed at the rear of the vehicle is displayed next to the rear mirror mounted in front of the driver's seat of the vehicle. A room mirror with a monitor integrated with a room mirror is known (Patent Document 1).

  This rear mirror with monitor allows the driver to see both the reflected image on the rear of the vehicle reflected in the rear view mirror and the monitor image on the monitor screen. The visibility could be improved.

  Further, when a display device is provided in the room mirror device and various types of information are displayed, the driver can move the line of sight relatively little to see the displayed information, which is effective for safe driving. In addition, for example, if the information to be displayed is “approach to the vehicle speed measurement device”, by notifying the driver of the existence of the speed measurement device, the driver may give too much speed without knowing it. Contributes to prevention. In particular, since the vehicle speed measuring device is generally installed in a place where the speed is likely to be exceeded, it is possible to alert the driver to the overspeed in a dangerous place. . Thus, such a vehicle alarm device contributes to safe driving. In the case of a rear in-vehicle camera, the rear field of view reflected in the mirror part of the rearview mirror device and the image captured by the rear in-vehicle camera that becomes the blind spot of the mirror can be viewed side by side at the same time. Can be seen without omission and contribute to safe driving.

  However, the size of the rearview mirror that can be installed in front of the driver's seat is limited from the viewpoint of securing a field of view in front of the sun visor and the vehicle. To install a monitor screen, the rearview mirror must be made smaller. There was a need to secure space.

  On the other hand, the invention relating to the image display system for operation described in Patent Document 2 has an image display area that becomes a mirror when not displaying an image in at least a part of the mirror surface, and the operation image of the vehicle received wirelessly. A vehicle room mirror provided with an image control means for displaying the image in the image display area, and an image creation that is attached to the vehicle, creates the operation image, and transmits the operation image to the image control means wirelessly In order to solve the problems that the invention described in Patent Document 1 had.

JP 2003-31360 A Utility Model Registration No. 3084469

  However, in the invention of Patent Document 2, a plurality of push button type switches for displaying an image in the image display area are provided in the rear-mirror body case on the outer side of the mirror surface, and the on / off operability of this switch is excellent. It was necessary to be.

  In addition, when the on / off operation is a remote control type, it is necessary to prepare a separate remote controller and to improve the operability of the remote controller.

  The present invention solves the above-described conventional problems, can display information such as letters, numbers, images, and moving images without reducing the size of the room mirror, and has excellent operability. An object is to provide an in-vehicle electronic device.

  In order to solve the above-described conventional problems, an on-vehicle electronic device according to the present invention is (1) an on-vehicle electronic device having a function of a vehicle rearview mirror, and detects contact of the rearview mirror with a mirror surface. A contact detection unit, and an information presentation unit that presents information in a mirror surface of the room mirror so as to be visible from the mirror surface side of the room mirror, and contact with the contact detection unit is detected And a control unit that performs control to change information to be presented to the information presentation unit. Therefore, compared with the case where the vehicle rearview mirror and the in-vehicle electronic device are individually installed, the in-vehicle space can be used effectively. In particular, the rearview mirror can be seen well when the driver is seated in the driver's seat, and is disposed at a position that can be reached by the driver in order to adjust the angle and the like. Therefore, the visibility and the operability are better than the case where the vehicle-mounted electronic devices are individually arranged on the dashboard. Compared to the case where in-vehicle electronic devices are placed on the dashboard, the visibility during driving is less likely to be obstructed, and the in-vehicle design is provided with a sense of unity and aesthetics by installing in-vehicle electronic devices on the dashboard. It is possible to suppress damage. Moreover, since the area in the mirror surface of the room mirror also serves as the information presentation unit, it is not necessary to newly secure a space for the information presentation unit of the in-vehicle electronic device, and it is necessary to reduce the size of the room mirror. No. In addition, since the vehicle-mounted electronic device can be operated from the mirror surface side of the rearview mirror by the contact detection unit, it is excellent in operability and it is not necessary to prepare a separate remote controller.

  Here, as a configuration in which the information presentation unit presents information so that it can be visually recognized from the mirror surface side of the room mirror within the mirror surface of the room mirror, the room mirror is positively visible so as to be visible from the mirror surface side of the room mirror. It is good also as a structure which moves the object which exists in the range reflected and reflected on the mirror surface of a room mirror instead of projecting to the mirror surface side of this, or not projecting actively. For example, the configurations shown in (2) and (3) described later are preferable.

  For example, information may be configured to be presented by controlling a light emitter. For example, a liquid crystal display having an LED, a lamp, a backlight, or the like, or an EL display may be used as the light emitter. For example, the information may be presented by controlling the lighting state or lighting color of the LED or the like, or control for displaying characters, numbers, images, moving images, etc. on a dot matrix display such as a liquid crystal panel or an EL panel. May be presented.

  In addition, the control for changing the information presented to the information presenting unit may be, for example, control for displaying information different from the currently displayed information. For example, the information is presented as a screen composed of characters and images. If so, control for changing the screen to be displayed (for example, control for transition) may be performed.

  (2) The information presenting unit is characterized in that the information is presented by projecting an image on the mirror front side or the back side. In the case where the information presentation is configured to project an image on the mirror back side, for example, an information presentation unit is provided on the mirror back side of the room mirror, and the information presentation unit is a light emitter, so that the mirror surface of the room mirror is a light emitter. It is preferable to present information so that the light emitted from can be seen from the mirror side of the rearview mirror. For example, it is particularly preferable to configure as described in (5) below. And the information presentation part provided in the mirror surface back side is good to connect with the circuit board which has a control part, and it is good to provide especially the said circuit board inside a room mirror. For example, a light emitter as an information presentation unit may be fixed on a circuit board having a control unit and connected to the control unit. Further, the contact detection unit may be provided on the circuit board and connected to the control unit, or the signal line from the contact detection unit may be connected to the circuit board and connected to the control unit.

  (3) The information presenting unit is characterized in that the information is presented by projecting an object on the mirror surface side. As an example, by projecting a figure drawn on a display installed in the car to a predetermined area on the mirror surface side of the room mirror, the area can be used as an information presentation unit, so the function as a mirror surface In addition, both functions as an information presentation unit can be provided.

  (4) The information presentation unit is a display provided on the back side of the touch screen.

  (5) The information presenting unit presents the information by performing a half mirror process on a part of the mirror surface of the room mirror and controlling a light emitter disposed on the back side of the half mirror processed area. It is characterized by that. Therefore, the half mirror processed area has a function as a mirror surface, and presents information such as letters, numbers, images, and moving images by controlling a liquid crystal display having a backlight or the like, or a light emitter such as an LED. It can also have a function as an information presentation part.

  (6) The contact detection unit detects the position of the contact, and the control unit detects the position of the information presentation unit corresponding to the position of the contact when the contact to the contact detection unit is detected. Control is performed to present an operation button as the information. As the control for presenting the operation button, for example, when contact with the contact detection unit is detected, the light emitter is turned on or blinked, and the illuminated or blinked region is presented as the operation button. The operation button may be an operation button for operating the vehicle-mounted electronic device, for example.

  (7) The control unit is characterized in that the information is presented by a screen display, and when a contact with the contact detection unit is detected, a control is performed to scroll and display a predetermined area of the screen display. As an example, when displaying a map or book having a plurality of pages, it is possible to scroll the screen of the information presentation unit by touching the area of the contact detection unit. Can be improved.

  (8) The surface of the contact detection unit is processed to prevent fingerprints from being attached. Therefore, by frequently operating the operation unit, it is possible to prevent fingerprints from being attached and the function as a mirror surface from being deteriorated. In addition, as a process for preventing the adhesion of fingerprints, for example, a coating material that prevents fingerprints from adhering to the surface may be applied, or a film for preventing fingerprints from adhering to the surface is applied. You may do it.

  (9) It is characterized by having an attachment portion for fixing to an existing room mirror of the vehicle. Therefore, by fixing the mounting portion to the existing room mirror, the vehicle-mounted electronic device can be used, and the installation work can be easily performed. In particular, the attachment portion is configured to be fixed so as not to drop when touching the contact detection portion. For example, it is good to set it as the structure which installs the attaching part which has a retaining member in the direction which applies a weight in the touch state to a contact detection part.

  (10) The contact detection unit is configured by a touch screen, and the mirror surface is formed by performing metal vapor deposition on a back surface side of the touch screen. Therefore, by using a touch screen, the function of the contact detection unit described above can be easily realized. Moreover, the function as a mirror surface can be easily realized by performing metal vapor deposition on the back side of the touch screen. Moreover, compared with the structure which fixes a touch screen to the front side of the mirror which gave metal vapor deposition to the back surface of glass, a number of parts can be reduced and manufacturing cost can be reduced.

  (11) The touch screen is formed of a translucent or opaque resin. Therefore, when it is used as a half mirror, it can be used as it is, and when it is used as a mirror surface, metal deposition can be performed on the touch screen, so that the function as a mirror surface can be easily realized.

  (12) The touch screen is characterized in that a black coating is applied to a surface on which the metal deposition is performed. Therefore, the internal substrate and wiring can be seen through only with metal vapor deposition, which makes the appearance worse. Etc. can be made invisible, and the function as a mirror surface can be easily realized.

  The in-vehicle electronic device according to the present invention can effectively use the space in the vehicle, and it is not necessary to newly secure a space for the information presentation unit of the in-vehicle electronic device. Can be maintained. Moreover, since the vehicle-mounted electronic device can be operated from the mirror surface side of the room mirror, the operability is excellent. Furthermore, by fixing the attachment portion to an existing room mirror, the installation work of the in-vehicle electronic device can be easily performed.

  In addition, in the vehicle-mounted electronic device according to the present invention, the contact detection unit is configured by a touch screen, metal deposition is performed on the back surface of the touch screen, and black coating is performed on the metal deposited surface, thereby the contact detection unit. And the function as a mirror surface can be easily realized.

It is a figure which shows embodiment of the basic composition of the vehicle-mounted electronic device which concerns on this invention. It is a partially expanded view which shows embodiment of the basic composition of the vehicle-mounted electronic device which concerns on this invention. 1 is an exploded perspective view showing a first embodiment of an in-vehicle electronic device according to the present invention. (A) is a front view of the vehicle-mounted electronic device of 1st Embodiment, (b) is the decomposition | disassembly bottom view. It is a figure which shows the example of the display screen of the vehicle-mounted electronic device which concerns on this invention. It is a figure which shows the example of the display screen of the vehicle-mounted electronic device which concerns on this invention. It is a figure which shows the example of the display screen of the vehicle-mounted electronic device which concerns on this invention. It is a figure which shows 2nd Embodiment of the vehicle-mounted electronic device which concerns on this invention. It is a figure which shows 3rd Embodiment of the vehicle-mounted electronic device which concerns on this invention. It is a figure which shows 4th Embodiment of the vehicle-mounted electronic device which concerns on this invention. It is a figure which shows 5th Embodiment of the vehicle-mounted electronic device which concerns on this invention. It is a figure which shows 6th Embodiment of the vehicle-mounted electronic device which concerns on this invention. It is a figure which shows 7th Embodiment of the vehicle-mounted electronic device which concerns on this invention.

  FIG. 1 shows a preferred basic embodiment of the present invention. The basic configuration of the vehicle-mounted electronic device 10 will be described with reference to FIG. 1. A display control board 12 constituting a control unit is arranged on the right side in a thin and thin rear case 11 with a front open, and a control is provided in the center. And a main body control board 15 constituting the electronic device main body controller. In addition, a display panel 13 that is stacked on the display control board 12 and constitutes an information presentation unit is disposed. Further, a mirror 14 constituting a mirror surface portion of the room mirror is arranged so as to cover the display control board 12, the main body control board 15 and the display panel 13, and further, a touch screen constituting a contact detection portion so as to cover the mirror 14. 16 is arranged. In addition, the touch screen 16 uses what has a light transmittance.

  Since the vehicle-mounted electronic device 10 according to the present invention has the configuration of the above-described basic embodiment, the vehicle-mounted electronic device 10 has better visibility and operability than the case where the vehicle-mounted electronic device is individually arranged on the dashboard. Compared to the case where in-vehicle electronic devices are placed on the dashboard, the visibility during driving is less likely to be obstructed, and the in-vehicle design is provided with a sense of unity and aesthetics by installing in-vehicle electronic devices on the dashboard. It is possible to suppress damage. In addition, since the area in the mirror surface of the room mirror also serves as the installation area of the display panel 13 constituting the information presentation unit, it is not necessary to newly secure a space for the display panel of the in-vehicle electronic device, and the room mirror There is no need to reduce the size of. Moreover, since the vehicle-mounted electronic device 10 can be operated from the mirror surface side of the room mirror by the touch screen 16 constituting the contact detection unit, the operability is excellent, and it is not necessary to prepare a separate remote controller.

  FIG. 2 is an enlarged detailed view of a part of the basic embodiment of FIG. Here, the display panel 13 uses a light emitter composed of a display such as an LCD or an organic EL. The display control board 12 controls the display panel 13 to display predetermined information (characters, images, etc.). All parts are connected to the main body control board 15, and when contact with the touch screen 16 is detected, the main body control board 15 performs control to change information presented on the display panel 13, and displays The control board 12 performs control to display display data from the main body control board 15 on the display panel.

  A display panel holder 17 is used to attach the display panel 13 and the display control board 12 to predetermined positions in the rear case 11. That is, the display panel 13 and the display control board 12 are attached to and integrated with the front and back surfaces of the display panel holder 17, respectively, and the display panel holder 17 is fixed to the rear case 11 with screws or the like. The display panel holder 17 and the display panel 13 can be assembled at predetermined positions in the rear case 11.

  Further, in the in-vehicle electronic device 10, an electronic device main body control unit for determining specific contents to be displayed on the display panel 13, that is, a microwave is detected or a GPS signal is received and the current position is determined. Control unit for determining whether there is a target to be detected in the surroundings and sending a control signal to perform a warning / notification corresponding to the display panel 13 when a warning / notification is necessary A main body control board 15 having a power supply circuit and the like is also incorporated. In the example of FIG. 1, the main body control board 15 is disposed at the center in the rear case 11.

  Then, the front surface of the rear case 11 is closed with the front case 20. Here, since the display control board 12, the display panel 13, and the main body control board 15 are assembled so as to be stacked on the rear case 11, they are arranged in parallel to the rear case 11. The mirror 14 is fixed to the front surface of the front case 20, and the touch screen 16 is fixed to the mirror 14 so as to cover the front surface of the mirror 14. Thereby, the vehicle-mounted electronic device 10 is configured.

  Here, when using a mirror 14 that does not transmit a mirror surface in which a metal film such as silver, aluminum, or chromium is deposited on the front surface or the back surface of the glass plate, a portion facing the display panel 13 is a window portion that does not have a deposited film. Become.

  On the other hand, a part of the mirror surface may be half-mirror processed, and the display panel 13 may be disposed on the back side of the mirror 14 in the half-mirror processed region. In this case, the display panel is disposed on the back surface of the mirror 14. Black printing or the like is performed so that the inside other than the display area 13 is not visible, and a window portion without printing is formed only in a portion facing the display area of the display panel 13.

  3 and 4 show a first embodiment of the present invention. As shown in FIG. 3, the display control board 12, the display panel holder 17, and the display panel 13 are stacked and arranged on the right side in the thin and thin rear case 11 with the front open. A main body control board 15 is disposed in the center of the rear case 11. A patch antenna is attached to the back side of the main body control board 15.

  The main body control board 15 determines the presence / absence of a detection target object (target object such as a speed measurement device) to be alarmed based on a received signal from the patch antenna and other information, and notifies the notification device (the speaker 18 and the display panel 13). This is a substrate in which an electronic circuit on which a control unit (MPU) and other circuits for outputting instructions and executing various arithmetic processes are mounted, a power supply circuit, and the like are incorporated. Of course, the main body control board 15 has a high-frequency circuit for processing a signal from the patch antenna, and the high-frequency circuit is shielded. This high-frequency circuit may be formed directly on the main body control board 15 or may be formed on a separate board and modularized and mounted on the main body control board 15.

  Furthermore, the speaker 18 which is one aspect | mode of the alerting | reporting apparatus is arrange | positioned at the left side in the rear case 11. FIG. Further, a GPS module 19 is disposed at the end of the rear case 11. The current position information detected by the GPS module 19 is sent to the control unit of the main body control board 15, where it is determined whether or not an alarm is necessary based on the position information. If an alarm is necessary, the speaker 18 and the display panel 13 are detected. An alarm using is performed. The various detection / alarm functions performed by the control unit of the main body control board 15 as described above can use the technology disclosed in, for example, Japanese Patent Application Laid-Open No. 2007-285858.

  And the front case 20 is arrange | positioned ahead of said each component. The front case 20 and the rear case 11 are fixed with screws, and the above-described components are incorporated at appropriate positions in the spaces inside the cases 20 and 11. Although the display control board 12 and the main body control board 15 are configured as separate boards, they may be configured as a single board, or conversely, may be configured as three or more boards.

  Furthermore, in this embodiment, the mirror 14 is attached to the front surface of the front case 20. The touch screen 16 is fixed to the mirror 14 so as to cover the front surface of the mirror 14. A part of the mirror 14 is a transparent window portion 14a, and the display panel 13 is disposed so as to face the window portion 14a. Thereby, the display panel 13 becomes visible from the outside. This in-vehicle electronic device 10 is fixed by sandwiching a standard room mirror from above and below by a clamp part 21 (attachment part) for fixing to a standard room mirror disposed at the top and bottom of the rear center side of the rear case 11. Will do. In addition, a wiring 16 a extends from one end of the touch screen 16, and the wiring 16 a is connected to the main body control board 15.

  The mirror 14 can be formed of a curved surface, and the radius of curvature can be 1400 mm (2 times the field of view) or 3000 mm (1.5 times the field of view). Of course, it may be within the above range (1400 mm to 3000 mm) or outside the range according to the required visual field.

  As shown in FIGS. 3 and 4A, a transparent window portion 14 a is formed at a predetermined position on the right end side of the mirror 14. The mirror 14 is formed by vapor-depositing a metal film such as silver, aluminum, and chromium on the front or back surface of a glass plate having a predetermined radius of curvature, and sets a region where no metal film is deposited on a part of the surface. Window part 14a. Further, the front case 20 is formed with a window hole 20a that is opened in a rectangular shape at a position facing the position where the window portion 14a is formed. And the display area of the display panel 13 becomes visible from the outside through the window part 14a by installing the display panel 13 at a position facing the window part 14a and the window hole 20a.

  The formation position of the window portion 14 a which is also the installation position of the display panel 13 is arranged at the center of the mirror 14 in the short direction. The mirror 14 is also curved with a predetermined curvature radius in the vertical direction. Therefore, by placing the window portion 14a (display panel 13) in the center of the mirror 14 in the short direction, the window portion 14a becomes symmetrical in the short direction.

  Therefore, when the display panel 13 is arranged without being inclined with respect to the rear case 11, a gap formed between the vicinity of the upper end of the display panel 13 at the same position in the longitudinal direction and the frame on the upper side of the window portion 14a, and the display panel 13 The gap formed between the vicinity of the lower end and the lower frame of the window portion 14a can be made uniform. Therefore, there is no difference in the upper and lower sides that the part of the display becomes invisible due to the shadow of the window frame, and the information displayed on the display panel 13 is not only for the driver but also for other passengers. It is possible to convey accurately without lack of display.

  The touch screen 16 is processed to prevent fingerprints from being applied, and a coating material is applied to prevent the fingerprints from attaching to the surface. In addition, it is good also as a structure which affixes the film which prevents that a fingerprint adheres to the surface instead of this structure.

  Next, display examples of the display panel 13 constituting the information presentation unit of the in-vehicle electronic device 10 according to the present invention described with reference to FIG. 1 will be described with reference to FIGS. When contact is detected by the touch screen 16, the main body control board 15 sends display data for changing information presented on the display panel 13 to the display control board 12.

  First, when the touch screen 16 is touched with a finger, the touch screen 16 detects contact, and the main body control board 15 performs control to change information presented on the display panel 13, and the display control board 12 performs main body control. Control is performed so that a main menu as shown in FIG. 5 is displayed according to display data from the substrate 15. Here, each of the positions of the touch screen 16 corresponding to the positions of the eight sections such as the radar menu, the search menu, and the settings displayed on the main menu is an operation button.

  For example, when an operation button on the touch screen 16 corresponding to the search menu in the main menu is touched with a finger, the touch screen 16 detects contact, and the main body control board 15 displays information to be presented on the display panel 13. The display control board 12 performs control to change to the screen display of the search menu as shown in FIG. 6 according to the display data from the main body control board 15.

  Further, when an operation button on the touch screen 16 corresponding to the address in the search menu is touched with a finger, the touch screen 16 detects contact, and the main body control board 15 changes information presented on the display panel 13. The display control board 12 performs control to change to the address search screen display as shown in FIG. 7 according to the display data from the main body control board 15.

  As described above, since the touch screen 16 that constitutes the contact detection unit is light transmissive, it can serve as both the region of the contact detection unit and the region of the mirror 14, and the space limited by the room mirror is effective. It can be used for. Moreover, since the vehicle-mounted electronic device 10 can be operated from the mirror surface side of the room mirror, the operability is excellent, and it is not necessary to prepare a separate remote controller as in the prior art.

  Next, a second embodiment of the present invention will be described with reference to FIG. As shown in this figure, the in-vehicle electronic device 10a according to the present invention includes an information presentation unit that includes a mirror 14 and a projector 22 installed in a vehicle, and projects information on the mirror surface. It is done by doing. In the second embodiment, the display control board 12, the main body control board 15, the mirror 14, and the touch screen 16 described in the basic embodiment are provided, and the display panel 13 is not provided. In this case, the position of the touch screen 16 corresponding to the mirror surface position where the image is projected becomes an operation button, and the electronic device main body is controlled by operating this operation button, and the image projected by the projector 22 on the mirror surface front side is changed. can do.

  Specifically, the main body control board 15 is connected to the projector 22 and the touch screen 16, and the main body control board 15 draws operation buttons as indicated by 1 to 6 in FIG. When the touch at the position corresponding to any one of the operation buttons indicated by 1 to 6 in FIG. 8 is detected from the touch screen 16, the function corresponding to the touched button is output. An image signal for drawing the screen is output to the projector 22. The correspondence between the projection position of the projector 22 and the position on the touch screen 16 may be set by performing calibration in advance.

  For example, the main body control board 15 outputs an image signal in which the screen of only one button in FIG. 8 is drawn to the projector 22, and a voice prompting the user to touch the first button is output from a speaker connected to the main body control board 15. Output. When a touch on the touch screen 16 is detected, the touched position is stored as the position of one button. When a touch at a position corresponding to the stored position is detected, it is determined that a touch at the position of one button has been detected. The same calibration may be performed for the buttons 2-6.

  Next, a third embodiment of the present invention will be described with reference to FIG. As shown in this figure, the in-vehicle electronic device 10b according to the present invention includes an information presentation unit including a mirror 14 and a display 23 that is installed in the vehicle and displays various figures, characters, and the like. Is displayed by projecting the graphic displayed on the display 23 on the mirror surface side. In the third embodiment, the display control board 12, the main body control board 15, the mirror 14, and the touch screen 16 described in the basic embodiment are provided, and the display panel 13 is not provided. In this case, the position of the touch screen 16 corresponding to the mirror surface position where the figure is projected becomes an operation button, and by operating this operation button, the electronic device main body can be controlled and the display on the display 23 can be changed. .

  Specifically, the main body control board 15 is connected to the display device 23 and the touch screen 16, and the main body control board 15 provides operation buttons as indicated by inverted 1 to 6 in FIG. 9 to the display device 23. When an image signal drawn on the screen is output and a touch at a position corresponding to any one of the operation buttons 1 to 6 in FIG. 9 is detected from the touch screen 16, the touched button is displayed. An image signal on which a screen having a corresponding function is drawn is output to the display unit 23. The correspondence between the installation position of the display 23 and the position on the touch screen 16 may be set by performing calibration in advance.

  For example, the main body control board 15 is connected to the main body control board 15 for outputting an image signal on which the screen of only the one button reversed in FIG. 9 is drawn to the display 23 and prompting the user to touch the one button. Output from a speaker. When a touch on the touch screen 16 is detected, the touched position is stored as the position of one button. When a touch at a position corresponding to the stored position is detected, it is determined that a touch at the position of one button has been detected. The same calibration may be performed for the buttons 2-6.

  Next, a fourth embodiment of the present invention will be described with reference to FIG. FIG. 10A is a diagram illustrating a state in which a finger is in contact with the touch screen 16, and FIG. 10B is a diagram illustrating a state in which operation buttons are displayed on the display panel 13. In the fourth embodiment, the display control board 12, the main body control board 15, the mirror 14, the touch screen 16, and the display panel 13 described in the basic embodiment are provided. As shown in this figure, the in-vehicle electronic device 10c according to the present invention detects the position where the finger is in contact with the touch screen 16 that constitutes the contact detection unit disposed so as to cover the mirror 14, and in FIG. The main body control board 15 and the display control board 12 that have been described perform control to present operation buttons as information at positions corresponding to the touched positions of the display panel 13 that constitutes the information presentation unit.

  Specifically, the touch screen 16 and the display control board 12 are connected to the main body control board 15, and when contact with the touch screen 16 is detected, the main body control board 15 is attached to the display panel 13. The display control board 12 performs control to change the information to be presented, and the display control board 12 performs control to display the display data from the main body control board 15 on the display panel 13. The operation buttons are displayed. The correspondence between the display position of the display panel 13 and the position on the touch screen 16 may be set by performing calibration in advance.

  Next, a fifth embodiment of the present invention will be described with reference to FIG. FIG. 11A is a diagram illustrating a state in which a finger is in contact with the touch screen 16, and FIG. 11B is a diagram illustrating a state in which the screen of the display panel 13 is changed. In the fifth embodiment, the display control board 12, the main body control board 15, the mirror 14, the touch screen 16, and the display panel 13 described in the basic embodiment are provided. As shown in this figure, the in-vehicle electronic device 10d according to the present invention controls the control described in FIG. 1 by bringing a finger into contact with the touch screen 16 constituting the contact detection unit and shifting the finger up, down, left and right in that state. The display control board 12 constituting the unit performs control to scroll and display a predetermined area of the screen display displayed on the display panel 13 constituting the information presentation unit.

  Specifically, the touch screen 16 and the display control board 12 are connected to the main body control board 15, and when contact with the touch screen 16 is detected, the main body control board 15 is attached to the display panel 13. The display control board 12 performs control to change the information to be presented to the next screen, and the display control board 12 performs control to display the display data from the main body control board 15 on the display panel 13, and the position corresponding to the touched position on the display panel 13. The next screen as information is displayed. The correspondence between the scroll position of the display panel 13 and the position on the touch screen 16 may be set by performing calibration in advance.

  Next, a sixth embodiment of the present invention will be described with reference to FIG. As shown in this figure, the in-vehicle electronic device according to the present invention has a vapor deposition unit in which a metal film such as silver, aluminum, and chromium is vapor-deposited (metal vapor deposition) on the back surface side of the touch screen 16 constituting the contact detection unit. 16b is formed. In this case, the touch screen 16 also serves as a mirror. In addition, the part facing the position where the display panel 13 is installed is a window part 16d to which no vapor deposition film is attached.

  Next, a seventh embodiment of the present invention will be described with reference to FIG. As shown in this figure, the in-vehicle electronic device according to the present invention has a vapor deposition unit in which a metal film such as silver, aluminum, and chromium is vapor-deposited (metal vapor deposition) on the back surface side of the touch screen 16 constituting the contact detection unit. 16b is formed, and furthermore, a painted portion 16c is formed in which a black coating is applied to the surface on which the vapor deposition portion 16b is formed. With this configuration, the touch screen 16 also serves as a mirror whose mirror surface does not transmit light. In addition, the site | part facing the position where the display panel 13 is installed is made into the window part 16d which does not attach a vapor deposition film and black coating.

  As another form different from the seventh embodiment, there is a structure in which the touch screen 16 constituting the contact detection unit is formed of a translucent or opaque resin. In the case of this configuration, it is not necessary to form the painted portion 16c that is painted black. And when using the touch screen 16 shape | molded by opaque resin, the mirror surface will serve as the mirror which does not permeate | transmit light by forming the vapor deposition part 16b in the front side of the touch screen 16. FIG. In this case, the touch screen 16 does not cover a portion facing the position where the display panel 13 is installed.

  In addition, when the touch screen 16 formed of a translucent resin is used, by forming the vapor deposition portion 16b on the back surface side of the touch screen 16, the mirror surface also serves as a half mirror that transmits light. Since the light from the light emitter of the panel 13 can be seen from the surface side of the touch screen, the touch screen 16 does not need to be provided with a special configuration at a portion facing the position where the display panel 13 is installed.

  In addition, various embodiments can be taken without departing from the spirit of the present invention, and it goes without saying that this is also included in the present invention. For example, in the above-described first embodiment, a fixing clamp portion 21 is provided outside the rear surface of the rear case 11, and the rear-view type is configured to attach the room mirror device to a standard room mirror using the fixing clamp portion 21. did. However, the in-vehicle electronic device according to the present invention is not limited to this, and various mechanisms can be used for attaching and fixing to the standard room mirror, and it can be attached to the standard room mirror. Instead, it may be attached separately at an arbitrary position in the vehicle interior or may be realized as a standard room mirror.

DESCRIPTION OF SYMBOLS 10 In-vehicle electronic device 11 Rear case 12 Display control board 13 Display panel 14 Mirror 15 Main body control board 16 Touch screen 17 Display panel holder 18 Speaker 19 GPS module 20 Front case 21 Fixing clamp part (attachment part)

Claims (12)

  A vehicle-mounted electronic device that also functions as a vehicle rearview mirror, and a contact detection unit that detects contact of the rearview mirror with the mirror surface, and is visible within the rearview mirror mirror surface from the rear mirror surface side. An in-vehicle system comprising: an information presenting unit that presents information; and a control unit that performs control to change information presented to the information presenting unit when contact with the contact detecting unit is detected. Electronic equipment. The in-vehicle electronic device according to claim 1, wherein the information presentation unit presents the information by projecting an image on the mirror surface front side or the back side. The in-vehicle electronic device according to claim 1, wherein the information presentation unit presents the information by projecting an object on the mirror surface. The in-vehicle electronic device according to claim 1, wherein the information presentation unit is a display provided on a back side of the touch screen. The information presenting unit performs half mirror processing on a part of the mirror surface of the room mirror, and presents the information by controlling a light emitter disposed on the back side of the half mirror processed region. The vehicle-mounted electronic device according to claim 1. The contact detection unit detects the position of the contact,
The control unit performs control to present an operation button as the information at the position of the information presentation unit corresponding to the position of the contact when the contact to the contact detection unit is detected. The vehicle-mounted electronic device in any one of claim | item 1 -5. The said control part performs the control which performs the scroll display of the predetermined area | region of the said screen display, when the said information is presented by a screen display and the contact to the said contact detection part is detected. The vehicle-mounted electronic device in any one of. The in-vehicle electronic device according to any one of claims 1 to 7, wherein the surface of the contact detection unit is processed to prevent adhesion of fingerprints.   The in-vehicle electronic device according to any one of claims 1 to 8, further comprising an attachment portion for fixing to an existing room mirror of the vehicle. The in-vehicle electronic device according to claim 1, wherein the contact detection unit is configured by a touch screen, and the mirror surface is formed by performing metal vapor deposition on a back surface side of the touch screen. machine. The in-vehicle electronic device according to claim 10, wherein the touch screen is formed of a translucent or opaque resin. The in-vehicle electronic device according to claim 10, wherein the touch screen has a black coating on a surface on which the metal deposition is performed.

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