JPH0870418A - Vehicle projector television device - Google Patents

Abstract

(57) [Summary] [Purpose] Enjoy large-screen images and have a small installation space and storage space. [Structure] A main body 20 of a projector television device for a vehicle is installed in a vehicle, and a valve 3 is arranged in the main body 20.
Liquid crystal panels 340, 34 are provided in the optical path from the bulb 3.
1, 342 are arranged and the liquid crystal panels 340, 341,
A lens system for enlarging and projecting the image of 342 is provided. The screen 5 is stored in the storage box 50 so that it can be taken in and out. As a result, by installing the screen 5 in the vehicle, an image of the liquid crystal is displayed on the screen 5 by the lens system 30.
0, 301, 302, 310, 311, 312, 31
Since it is enlarged and projected through 3, 320, 321, and 33, a large screen image can be enjoyed. Further, since the projection type projector is used, the projector television apparatus is small and the installation space is small. Moreover, since the screen 5 is stored in the storage box 50 when not in use, the storage space can be small.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vehicle projector television apparatus for enlarging and projecting a TV image, a VTR image, and other information images on a screen installed in a vehicle such as an automobile, and particularly, a large screen image can be enjoyed. In addition, the present invention relates to a projector television device for a vehicle that requires a small installation space and storage space.

[0002]

2. Description of the Related Art As a conventional vehicle TV device, a small liquid crystal TV device is used because of its installation space and storage space.

[0003]

However, since the above-mentioned conventional TV device for a vehicle uses a small liquid crystal TV device because of the installation space and the storage space, TV images, VTR images and other information images are used. There is a problem such as small.

An object of the present invention is to provide a projector television apparatus for a vehicle, which allows a large screen image to be enjoyed and requires a small installation space and storage space.

[0005]

According to the present invention, a main body of a projector television apparatus is installed in a vehicle, a valve is arranged in the main body, a liquid crystal panel is arranged in an optical path from the valve, and the liquid crystal panel is arranged. A lens system for enlarging and projecting an image of the projector is provided, while the screen is stored so that it can be put in and taken out in a storage portion provided in the vehicle when not in use, and when used, the screen is installed in the vehicle and installed from the projector television device. It is characterized in that it is configured to receive an image.

[0006]

According to the present invention, with the above construction, the image of the liquid crystal is enlarged and projected through the lens system on the screen installed in the vehicle, so that a large screen image can be enjoyed. Also, the present invention
Since the projection type liquid crystal projector is used, the size of the projector television apparatus main body installed in the vehicle can be small and the installation space can be small. Moreover, since the screen is stored so that it can be put in and taken out of the storage portion inside the vehicle when not in use, the storage space can be small.

[0007]

DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a vehicle projector television apparatus of the present invention will be described below with reference to the accompanying drawings. In FIG. 1, 1 is an automobile. In this automobile 1, a projector television apparatus body / interior lamp 2 of the present invention is installed on a ceiling 10. A handle 12 is arranged on the dashboard 11.

As shown in FIG. 3, the projector television apparatus / interior lamp 2 of the present invention has two interior lamp bulbs 21 provided in a main body 20 such as a housing made of an opaque material. It is arranged. Shades 22 are arranged outside the two bulbs 21, respectively. This shade 22 is a bulb 21 for the above-mentioned interior light.
The projector light bulb 21 and the projector television bulb 3 which will be described later are separated from each other in order to prevent the bulb 3 for the projector television from being influenced by each other. Although not shown in the drawings, in order to correspond to the interior light bulb 21 on the lower surface of the main body 20, a lens for irradiating light from the interior light bulb 21 to a predetermined position (see FIG. (Not shown) are provided.

In FIG. 3, reference numeral 3 is a valve for a projector television. The valve 3 is installed in the center of the rear part of the main body 20 (the front of the automobile is the front part).

Inside the main body 20, three lenses 300, 30 for collimating the light flux from the bulb 3 are collimated.
1, 302 are disposed on the front side and both the left and right sides of the valve 3. In addition, four total reflection mirrors 310, 311, 31 are provided at the left and right corners of the front and rear parts of the main body 20.
2, 313 are arranged respectively. Further, two half mirrors (for example, dichroic mirrors) 320 and 321 are arranged in the center of the front part of the main body 20. Furthermore, a light output lens 33 is provided at the center of the front portion of the main body 20.

The first lens (right lens) 300
On the optical axis (optical path) between the first total reflection mirror (the rear right total reflection mirror) 310 and the second total reflection mirror (the front right total reflection mirror) 311. ,
A single (for example, red) wavelength transmission type liquid crystal dot matrix element (red liquid crystal panel) 340 is provided. On the optical axis (optical path) of the second lens (left lens) 301, the third total reflection mirror (rear left side total reflection mirror) 312 and the fourth total reflection mirror (front left side) Between the total reflection mirror (313) and a single (for example, blue)
A wavelength-transmissive liquid crystal dot matrix element (blue liquid crystal panel) 341 is provided. On the optical axis (optical path) of the third lens (center lens) 302, between the lens 302 and the half mirrors 320 and 321, a single (for example, green) wavelength transmissive liquid crystal is formed. A dot matrix element (green liquid crystal panel) 342 is provided.
In this way, the three optical paths from the projector television bulb 3 pass between the main body 20 and the shade 22 and between the two shades 22, so that the image signal is not affected at all.

In FIG. 4, 4 is a TV tuner.
A TV antenna 40 and a video adapter 41 are connected to the TV tuner 4 so that TV broadcasts and videos can be enjoyed. Further, the liquid crystal panels 340, 341, 342 and the speaker 42 are connected to the TV tuner 4, and the image signals from the TV tuner 4 are output to the liquid crystal panels 340, 341, 342, respectively, and the TV tuner is also used. The audio signal from the No. 4 is output to the speaker 42. The TV tuner 4, the video adapter 41, the speaker 42 and the like are arranged at appropriate positions inside the vehicle 1, and the TV antenna 40 is arranged at an appropriate position outside the vehicle 1, and The above-mentioned liquid crystal panels 340, 341 and 342 are arranged in the main body 20 as described above.

In FIGS. 1 and 2 and FIGS. 5 to 10, 5 is a screen made of, for example, a flat plate such as white. When not in use, the screen 5 is stored in a storage box 50 provided on the dashboard 11 (on the side of the center console below the instrumental panel) so that it can be taken in and out. That is, the storage box 5
A fixed guide 51 having a tubular shape is fixed in the groove 0, and a slit-shaped guide groove 52 is provided in the fixed guide 51 in the axial direction. A stay 53 is slidably inserted in the fixed guide 51 in the axial direction of the fixed guide 51, and a stopper 54 is provided at one end of the stay 53, and the stopper 54 is the fixed guide 51.
Is slidably engaged with the guide groove 52. The screen 5 is attached to the other end of the stay 53 via a hinge 55 so as to be openable and closable. When not in use, the screen 5 is stored together with the stay 53 in the storage box 50 in a closed state with respect to the stay 53 (see FIGS. 5 and 8). Then, at the time of use, the screen 5 and the stay 53 are pulled out from the storage box 50 in the arrow direction in FIGS. 6 and 9. Then screen 5
7 is opened in the direction of the arrow in FIGS. 7 and 10 with respect to the stay 53, the image receiving preparation for the screen 5 is completed. Further, the screen 5 and the stay 53 can be housed in the housing box 50 by performing the operation reverse to the above operation. The size of the screen 5 described above is, for example, A4 size, and is about 12 to 13 inches TV. Further, as the rotating means of the screen 5 with respect to the stay 53, a rotating means other than the hinge 55 described above may be used. For example, as shown in FIG.
The screen 5 is rotatably attached to the lower surface of the other end of 3 via a rotating means 56.

The vehicle projector television apparatus according to the present invention in this embodiment has the above-mentioned configuration.
The operation will be described below. First, the screen 5 is pulled out from the storage box 50 and set as described above. Next, the TV tuner 4 is turned on. Then, the TV broadcast is input from the TV antenna 50 and the video signal is input to the TV tuner 4 from the video adapter 51. The image signals from the TV tuner 4 are the liquid crystal panels 340 and 341 of the vehicle projector television device.
The audio signal is output to the speaker 342 and to the speaker 42.

In the above-described vehicle projector television apparatus, when the projector television valve 3 is turned on by operating the power source switch (not shown) of the TV tuner 4 or separately, the projector television is turned on. The light emitted from the bulb 3 for John enters the three lenses 300, 301 and 302, respectively, and becomes parallel to form three optical paths. One of them, the first
The light collimated by the lens 300 of the first mirror 310
When it is bent at a right angle with and passes through the red liquid crystal panel 340, an image of only the red component of the display image appears. This image is bent again at a right angle by the second mirror 311, and is guided to the first half mirror 320. In addition, the light collimated by the second lens 301 in the other optical path is bent at a right angle by the third mirror 312, and when passing through the blue liquid crystal panel 341, only the blue component of the display image is displayed. Image comes out. This image is bent again at a right angle by the fourth mirror 313 and guided to the second half mirror 321. Further, when the light collimated by the third lens 302 in the remaining one optical path passes through the green liquid crystal panel 342, an image of only the green component of the display image appears. This image is combined with the red component light of the above-mentioned display image by the first half mirror 320, and is combined with the blue component light of the above-mentioned display image by the second half mirror 321, and a colorized image signal is obtained. Is enlarged and projected from the output lens 33 onto the screen 5. An enlarged image is projected on the screen 5, and a large screen image can be enjoyed. Moreover, since the projector television apparatus for a vehicle of the present invention uses the projection type liquid crystal projector and the main components thereof are built in the main body 20, the projector television apparatus main body to be installed in the vehicle is small in size, Installation space is small.

Moreover, the screen 5 is made of a flat plate, and when not in use, the screen 5 is replaced by the dashboard 1 in the vehicle.
Since it is stored in the first storage box 50, the storage space can be small.

If the interior light bulb 21 is turned on,
It can also be used as a normal room light.

In the above-described embodiment, an example in which the TV antenna 40 and the video adapter 41 are connected to the TV tuner 4 to enjoy TV broadcasts and videos has been described. Other information devices are connected to the TV tuner 4, and the image signal of the navigator, the image signal of the rear confirmation device, and the image signal of other information are displayed on the screen 5 via the vehicle projector television apparatus of the present invention. It may be configured as follows.

Further, in the above-described embodiment, the screen 5 is housed in the storage box 50 provided on the dashboard 11 together with the stay 53 so that it can be taken in and out. However, in addition to the dashboard 11, for example, a console box or the like. It may be stored so that it can be put in and taken out in a storage part such as a place.

Further, the vehicle projector television apparatus of the present invention has the ceiling 1 of the automobile 1 as in the above-described embodiment.
In addition to being installed as the interior light 2 at 0, it may be installed alone near the rear seat. On the other hand, the screen 5 may be installed near the driver's seat as in the above-described embodiment, or may be installed behind the driver's seat or the passenger's seat.

In a normal automobile, since the automobile antenna is installed near the rear hood of the automobile, the antenna and the receiving portion are close to each other, which is advantageous in terms of vehicle design and structure.

[0022]

As is apparent from the above, the vehicle projector television apparatus of the present invention can enjoy a large-screen image and has a small installation space and storage space.

[Brief description of drawings]

FIG. 1 is a schematic side view of an embodiment of a vehicle projector television apparatus of the present invention, showing a state in which an image is projected.

FIG. 2 is a schematic bottom view likewise.

FIG. 3 is likewise a schematic front view.

FIG. 4 is a schematic diagram of a vehicle projector television apparatus of the invention.

FIG. 5 is an electric circuit showing a relationship between a liquid crystal panel and a TV tuner of the vehicle projector television apparatus of the present invention.

FIG. 6 is a partial perspective view of the state where the screen is stored.

FIG. 7 is a partial perspective view showing a state where the screen is pulled out.

FIG. 8 is a partial perspective view showing a state where a screen is set.

FIG. 9 is a partial cross-sectional view of a state in which the screen is stored.

FIG. 10 is a partial cross-sectional view of a state in which the screen is pulled out.

FIG. 11 is a partial cross-sectional view of a state in which the screen is set.

[Explanation of symbols]

1 ... Car, 10 ... Ceiling, 11 ... Dashboard, 2 ...
Interior light, 20 ... Main body, 21 ... Interior light bulb, 22 ... Shade, 3 ... Projector television bulb, 30
0, 301, 302 ... Lens, 310, 311, 31
2, 313 ... Total reflection mirror, 320, 321 ... Half mirror, 33 ... Output lens, 340, 341, 342 ... Liquid crystal panel, 4 ... TV tuner, 40 ... TV antenna, 4
DESCRIPTION OF SYMBOLS 1 ... Video adapter, 42 ... Speaker, 5 ... Screen, 50 ... Storage box, 51 ... Fixed guide, 52 ... Guide groove, 53 ... Stay, 54 ... Stopper, 55 ... Hinge.

Claims (1)

[Claims] 1. A projector television apparatus installed in a vehicle, and a screen installed in the vehicle when used to receive an image from the projector television apparatus, wherein the projector television apparatus is installed in the vehicle. A main body, a bulb arranged in the main body, a liquid crystal panel arranged in an optical path from the bulb, and a lens system for magnifying and projecting an image of the liquid crystal panel, and the screen includes A projector television device for a vehicle, wherein the projector television device for a vehicle is stored in a storage portion provided inside the vehicle so as to be able to be taken in and out when not in use.