JP2002213999A - Virtual image display type meter - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a virtual image display type meter with excellent visual effect having a three-dimensional appearance. SOLUTION: The virtual image display type meter has a semi-transmitting half mirror disposed in an inclined arrangement to a line of sight of an observer, a first dial having a movement for driving an indicator and an engraved scale, both being provided backside of the half mirror when viewed from the visual observer, and a second dial having printed characters and the like disposed at a mirror symmetrical position of the indicator and the first dial against the half mirror. The indicator and the scale engraved on the first dial make real images and the characters 9 and the like printed on the second dial make visual images. These real and virtual images are displayed in combination on a same plane. The characters 9 and the like printed on the second dial are displayed as shadowed characters which consists of a white print 9a and a black print 9b overlapping the edge of the white print 9a.

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 semi-transmissive 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, the characters and the like displayed on the dial 108 are simply displayed in a general print in which the characters are printed in white, and the characters look flat and lack a three-dimensional effect. For this reason, they are dissatisfied with the visual effect.

Accordingly, an object of the present invention is to provide a virtual image display type meter having a three-dimensional effect and 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 for driving the hands and a scale are engraved, and a second dial on which characters arranged at mirror-symmetrical positions with respect to the hands and the first dial are printed on a half mirror. And a scale engraved on the hands and the first dial as a real image, characters and the like printed on the second dial as a virtual image, and combining the real image and the virtual image on the same plane. In the virtual image display type meter configured to display the hands, the characters and the like printed on the second dial are white-printed and black-printed over a part of the ridge line of the white printing to display shaded characters. Features.

According to the first aspect of the present invention, characters and the like are
After printing in white, a part of the ridge line of this white printing is printed in black to create a shaded character display. Is done.

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

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 a sectional view of the dial showing an example in which characters printed on the second dial are shaded characters. FIG. 5 is a plan view of characters showing an example in which characters printed on the second dial are shaded characters.

<Structure of Virtual Image Display Device> As shown in FIG. 1, the virtual image display device 1 of the present embodiment exposes a return portion 2 serving as a display panel portion, and an instrument panel (not shown). Has a meter case 3 attached to the device.

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.

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 graduations engraved on the first dial 7 are formed by printing a transparent ink, but portions other than the graduations 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 as viewed by a viewer. This second
As shown in FIG. 3, a character 9 such as a numeral is printed on a face 8a facing the half mirror 4, on the dial 8 of FIG.
As shown in FIGS. 4 and 5, the character 9 includes a white printed portion 9a printed with a transparent ink and a black printed portion 9b printed with black ink over a part of the ridge line of the white printed portion 9a. Consists of That is, black print 9b is formed over a part of the ridge line of the white print portion 9a to display a shaded character. Here, the character 9 is printed in a mirror image inverted shape so that the viewer sees the character 9 in a normal orientation when viewed through the half mirror 4.

The second dial 8 is printed with not only characters 9 such as numbers, but also scales and patterns according to the type of the movement 6.

On the back of the second dial 8,
Dome-shaped background case 1 covering the second dial 8
0 is attached. The background case 10 serves to make the scales, characters 9 and the like printed on the second dial 8 look three-dimensional. Also, the inner surface 10 of the background case 10
A is painted with a color or a pattern to enhance the visual effect on the back of the character 9 or the like as necessary.

Although not shown, the background case 10
Inside, a light source for irradiating the second dial 8 with light is arranged.

<Operation> In the virtual image display type meter configured as described above, the characters 9 to be printed on the second dial 8 are displayed.
Is formed over the white printed portion 9a and a part of the ridge line of the white printed portion 9a to form a shaded character display, so that characters that could only be expressed only in a plane in the past have a shadow. I can show you. For this reason, a display with a three-dimensional effect is possible.

Further, by attaching the dome-shaped background case 10 so as to cover the second dial 8, the characters 9 printed on the second dial 8 are made more three-dimensional. be able to.

[0024]

According to the first aspect of the present invention, a character or the like is printed in white, and a part of the ridgeline of the white printing is printed in black to display a shaded character. The part is reflected by a half mirror to form a virtual image, so that the part is expressed as a true shadow, and a three-dimensional effect can be emphasized. 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, by attaching the dome-shaped background case to cover the second dial, characters and the like can be seen more three-dimensionally, and the visual characteristics can be further improved. The effect can be enhanced.

[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. 9 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 sectional drawing of the dial which shows the example printed on the 2nd dial as the character with a shadow.

FIG. 5 shows a virtual image display type meter according to the embodiment;
It is a top view of the character which shows the example printed on the 2nd dial as the character with a shadow.

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 meter 2 counterpart 3 meter case 4 half mirror 5 pointer 6 movement 7 first dial 8 second dial 9 character 9a white print 9b black print 10 background case

Claims (2)

[Claims] 1. A semi-transmissive half mirror which is inclined with respect to the direction of a 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 disposed at mirror-symmetric positions with respect to the first dial and the first dial with respect to a half mirror are printed. In the virtual image display meter, the scale engraved on the dial is a real image, the characters and the like printed on the second dial are virtual images, and the real image and the virtual image are combined to display a pointer on the same plane. A virtual image display meter, wherein a character or the like printed on the second dial is printed in white and is printed in black over a part of the ridgeline of the white printing to display a shaded character. 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.