JP2002219969A - Virtual image display meter - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a virtual image display meter capable of displaying three- dimensional virtual images and exhibiting superior visual effects. SOLUTION: This visual image display meter is provided with a half mirror, a first dial having a movement driving an indicator provided in the rear side of the half mirror observed from a visual observer and having a scale engraved therein, and second dials 8A-8D having characters, etc., printed thereon and disposed in the mirror symmetry positions to the indicator and the first dial relative to the half mirror in a meter case. This visual image display meter indicates and displays images by setting the indicators and the scales engraved in the first dial to real images and the characters, etc., printed on the second dials 8A-8D to virtual images and combining the real images with the visual images on the same plane. The second dials 8A-8D are independently provided according to the number of various types of indicator devices and fitted to the meter case in relatively different heights.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention superimposes a real image portion such as a pointer which is viewed through a half mirror and a virtual image portion such as a numeral which is reflected by a half mirror and viewed. The present invention relates to a virtual image display type meter.

[0002]

2. Description of the Related Art For example, a real image portion such as a pointer which is viewed through a translucent half mirror and a virtual image portion such as a number reflected by the half mirror are displayed so as to be superimposed on the same plane. A virtual image display meter has been proposed.

For example, Japanese Patent Laying-Open No. 10-185628 discloses this type of instrument structure. As shown in FIG. 6, such an instrument structure has a case main body 101 attached to an instrument panel. In the case body 101, a transparent facing 102 is provided in the front, a rear cover 103 is provided in the rear, and an upper cover 104 is provided in the upper part. In addition, in front of the rear cover 103, a case inner wall 107 for attaching a pointer 105 and a movement 106 for driving the pointer 105 is provided.

In front of the upper cover 104, there is provided a dial 108 provided with a design portion including scales and characters corresponding to the hands 105. Further, a semi-transparent half mirror 109 is arranged so as to be inclined so as to divide the case body 101 into approximately two parts.

According to this instrument structure, the pointer 105 passes through the half mirror 109 when viewed from the viewing direction and is viewed as a real image, while the design portion on the dial 108 is viewed from the viewing direction when viewed from the viewing direction. By being reflected by the mirror, a virtual image is displayed on the same plane as the pointer 105, which is a real image, on the front side in the transmission direction, and the real image and the virtual image are combined to be three-dimensionally visible.

[0006]

However, in the above-described instrument structure, for example, a speedometer, a tachometer, a fuel gauge, a water temperature gauge, and the like are displayed on the same plane, and thus cannot be displayed three-dimensionally.

Accordingly, an object of the present invention is to provide a virtual image display type meter capable of realizing a stereoscopic virtual image display and having an excellent visual effect.

[0008]

According to a first aspect of the present invention, there is provided a semi-transparent half mirror which is inclined with respect to a line of sight of a viewer, and is provided on a back side of the half mirror as viewed from the viewer. A first dial on which a movement and a scale for driving the hands are engraved, and a second dial on which characters arranged at mirror-symmetric positions with respect to the hands and the first dial are printed on a half mirror Are provided in the meter case, and the scales engraved on the hands and the first dial are real images,
In a virtual image display type meter in which a character or the like printed on the second dial is a virtual image and the real image and the virtual image are combined to display a pointer on the same plane, the second dial includes various pointer instruments. , And are attached to the meter case with a relative height difference with respect to the meter case.

According to the first aspect of the present invention, the second dial, which is provided independently in correspondence with various pointer instruments, is attached to the meter case with a relative height difference with respect to the meter case. Since it is attached, a sense of depth is obtained for each meter from a viewer, and a three-dimensional display is possible.

According to a second aspect of the present invention, there is provided the virtual image display type meter according to the first aspect, wherein a dome-shaped background case which covers the second dial and allows the scales and characters to be seen in three dimensions is attached. It is characterized by.

According to the second aspect of the present invention, by attaching the dome-shaped background case, characters and the like can be seen more three-dimensionally.

[0012]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, specific embodiments to which the present invention is applied will be described in detail with reference to the drawings.

FIG. 1 is a schematic perspective view of a virtual image display type meter according to the present embodiment, FIG. 2 is an explanatory diagram showing a state in which a viewer recognizes a composite image of a real image portion and a virtual image portion, and FIG. FIG. 4 is an exploded perspective view schematically showing a state before the background case is mounted over the dial, and FIG. 4 is an explanatory view showing a state where a height difference is provided in the mounting height of the second dial to the meter case;
FIG. 5 is a schematic diagram showing a state where each meter is displayed with a sense of depth.

<Structure of Virtual Image Display Device> In the virtual image display device 1 of the present embodiment, as shown in FIG. 1, an instrument panel (not shown) is formed by exposing a return portion 2 serving as a display panel portion. Has a meter case 3 attached to the main body.

As shown in FIG. 2, inside the meter case 3, a half mirror 4 is provided which is inclined with respect to the line of sight of the viewer, and is provided on the back side of the half mirror 4 when viewed from the viewer. The movement 6 for driving the hands 5 and the first dial 7 on which the scales are engraved, and the half mirror 4 on which characters arranged at mirror-symmetrical positions with respect to the hands 5 and the first dial 7 are printed. A second dial 8 is provided.

In the present embodiment, four pointer instruments of a fuel gauge, a speedometer, a tachometer and a water temperature gauge are provided in the meter case 3.

The half mirror 4 is a semi-transmissive mirror, and as shown in FIG.
They are arranged obliquely at an angle of 5 degrees. The movement 6 as an inner machine for driving the hands 5 includes a half mirror 4
Are arranged in the direction of the line of sight of the viewer.

The first dial 7 is made of, for example, a transparent resin plate such as an acrylic resin, and a scale serving as an index of the hands 5 is engraved on the surface thereof. The scales engraved on the first dial 7 are formed by printing a transparent ink, but the parts other than the scales are painted black. For this reason, light from a light source (not shown) arranged on the back side of the movement 6 passes through only the graduation portion of the first dial 7 and passes through the half mirror 4 to the viewer side. Will lead to. When viewed from the viewer side, the pointer 5 and the scale can be seen as a real image via the half mirror 4.

The second dial 8 is made of a transparent resin plate such as an acrylic resin like the first dial 7, and is provided above the half mirror 4 when viewed by a viewer. The second dial 8 is independently provided corresponding to a fuel gauge, a speedometer, a tachometer, and a water temperature gauge. For example, a dial 8A of a fuel gauge and a dial 8D of a water temperature gauge are arranged on both sides of a dial 8B of a speedometer and a dial 8C of a tachometer arranged at predetermined intervals, respectively.

As shown in FIG. 3, on the second dial 8A, a design 9 such as a character, a numeral, or a scale is printed on a surface 8a facing the half mirror 4. Such a design 9
It is also printed with transmissive ink, and has a mirror image inverted shape so that a viewer can see in a normal direction when viewed through the half mirror 4.

As shown in FIGS. 1 and 3, dome-shaped background cases 10A to 10D cover the second dials 8A to 8D so as to cover the second dials 8A to 8D.
0D is attached. Such background cases 10A-
10D serves to make the design 9 such as scales and characters printed on the second dials 8A to 8D look three-dimensional. Also,
The inner surface 10a of each of the background cases 10A to 10D is coated with a color or a pattern for enhancing a visual effect on the back surface of the design 9 or the like as necessary.

In this embodiment, the background case 10
Second dials 8A to 8D to which A to 10D are attached
As shown in FIG. 1 and FIG. 4, is mounted on the meter case 3 with a relative height difference. Specifically, the dial 8B of the speedometer and the dial 8C of the tachometer are attached to the meter case 3 with a predetermined height H with respect to the dial 8A of the fuel gauge and the dial 8D of the water temperature gauge. is there.

Although illustration is omitted, the background case 10
A light source that illuminates the second dial 8 with light is arranged in A to 10D.

<Operation> In the virtual image display type meter configured as described above, each of the second dials 8A to 8D is provided on the meter case 3 with a relative height difference with respect to the meter case 3. The mounting makes the meters appear to the viewer with a sense of depth. For example, as shown in FIG. 5, the dial 8B of the speedometer and the dial 8C of the tachometer come to be seen behind the dial 8A of the fuel gauge and the dial 8D of the water temperature gauge.

Further, by attaching the dome-shaped background cases 10A to 10D so as to cover the second dials 8A to 8D, the characters 9 printed on the second dials 8A to 8D can be further enhanced. It can be three-dimensional.

[0026]

According to the first aspect of the present invention, the height of the second dial, which is provided independently corresponding to various pointer instruments, is relatively high with respect to the meter case. From the viewer,
Each meter has a sense of depth, and a three-dimensional display can be realized. Therefore, it is possible to provide a virtual image display type meter excellent in visual effect.

According to the second aspect of the present invention, since the dome-shaped background case is attached so as to cover the second dial, characters and the like can be seen more three-dimensionally, and a further visual effect can be obtained. Can be increased.

[Brief description of the drawings]

FIG. 1 is a schematic perspective view of a virtual image display type meter according to an embodiment.

FIG. 2 shows a virtual image display type meter according to the embodiment;
FIG. 4 is an explanatory diagram illustrating a state in which a viewer recognizes a composite image of a real image portion and a virtual image portion.

FIG. 3 shows a virtual image display type meter according to the embodiment;
It is an exploded perspective view which shows typically the state before attaching a background case covering the 2nd dial.

FIG. 4 shows a virtual image display type meter according to the embodiment;
It is explanatory drawing which shows the state which provided the height difference in the attachment height of the 2nd dial with respect to a meter case.

FIG. 5 shows a virtual image display type meter according to the embodiment;
It is a schematic diagram which shows the state in which each meter is displayed with a sense of depth.

FIG. 6 is a cross-sectional view of an instrument structure which is a conventional virtual image display type meter.

[Explanation of symbols]

 REFERENCE SIGNS LIST 1 virtual image display type meter 2 return part 3 meter case 4 half mirror 5 pointer 6 movement 7 first dial 8A to 8D second dial 10A to 10D background case

Claims (2)

[Claims] 1. A semi-transmissive half mirror that is inclined with respect to the direction of the line of sight of a viewer, a movement for driving a pointer provided on the back side of the half mirror as viewed from the viewer, and a scale. A first dial and a second dial on which characters and the like arranged at mirror-symmetric positions with respect to the first dial and the first dial with respect to a half mirror are provided in a meter case, A virtual image display in which a scale engraved on the first dial is a real image, characters or the like printed on the second dial are virtual images, and the real image and the virtual image are combined and displayed on the same plane with hands. In the meter according to the present invention, the second dial is provided independently of each other in accordance with the number of the pointer instruments, and the height of the second dial is relatively high with respect to the meter case. The virtual image display meter, characterized in that attached to. 2. The virtual image display type meter according to claim 1, further comprising a dome-shaped background case that covers the second dial and allows the scale and characters to be seen in three dimensions. Virtual image display type meter.