JPH09307462A - Teletext receiving device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a teletext receiving device which can improve its vehicle attachment property and also its visibility. SOLUTION: This receiving device 2 consists of a receiving part 41 including a receiver means 40 which receives and displays the teletext transmitted from a transmitting device by means of the teletext radio waves, and a display part 43 including a display means 42 which shows the received teletext programs. These two parts 41 and 43 are rotatively connected together via the coupling members 44.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a teletext receiving apparatus for receiving and displaying teletext transmitted from a transmission apparatus by using radio waves of teletext.

[0002]

2. Description of the Related Art Conventionally, in text multiplex broadcasting using FM radio waves or the like, there is a so-called "visible radio", for example. In the information transmitted in the teletext broadcasting, one screen in a fixed format (for example, three lines with 15 characters per line) is set as one page, and one program is composed of a plurality of pages. You. In this case, 1 of the above page
The second line is a header indicating the source of information, etc.
The line is used as a text displaying the content of the information.

As a receiver for receiving and displaying the transmitted character information, a receiver for receiving broadcast radio waves has been conventionally used,
2. Description of the Related Art There is one in which a display unit including an LCD (liquid crystal display) for displaying information is integrally configured and attached to a lower portion of a dashboard of a vehicle.

Further, as shown in FIG. 9, the receiving section 50 and the display section 56 are separately constructed, and the receiving section 50 is attached to the lower part of the dashboard and the display section 56 is attached to the instrument panel. There is a device 63. Specifically, the receiving unit 50 includes an antenna 51 and a tuner 52 for receiving FM multiplex broadcasting of a predetermined frequency, a multi-modulator 53 for restoring character data from the received radio wave, a reception control, and the like. The display unit 56 includes a CPU 54 and a RAM 55 that is a storage device, and the display unit 56 includes an operation key 57 and
An LCD 58 that displays information, a ROM 59 that stores typeface data of display characters, and the like, and a CPU 60 that performs display control and the like.
And A cable 61 connects between the two CPUs 54 and 60, and 62 denotes a battery.

[0005]

However, since the conventional receiving part and the display part are integrally formed and attached to the lower part of the dashboard of the vehicle, the display part is located at a low place. There is a problem of poor visibility.

Further, as described above, the receiving section 50 and the display section 5
In the case where 6 and 6 are separately configured and both parts are attached to the lower part of the dashboard and the upper part of the instrument panel, there is a problem that the cable 61 connecting the both parts becomes long and the cost becomes high in terms of circuit configuration. is there. Further, depending on the shape of the instrument panel, it is difficult to attach the display portion 56, and there is a problem that the visibility is lowered due to the attachment angle.

The present invention has been made in view of the above conventional problems, and an object of the present invention is to provide a teletext receiver which can improve the mountability and the visibility when it is mounted on a vehicle.

[0008]

As shown in FIG. 8, the invention of claim 1 uses a radio wave of teletext to receive and display a teletext transmitted from a transmission apparatus 3. 2, receiving means 4 for receiving the above-mentioned teletext
The receiving unit 41 including 0 and the display unit 43 including the display unit 42 for displaying the received teletext program are separated from each other, and both are connected so that the display screen position of the display unit can be changed. It is characterized in that it is rotatably connected by 44.

According to a second aspect of the present invention, in the first aspect, the component 45 serving as a noise source such as a clock circuit is provided on the display unit 4.
It is characterized in that the receiving section 41 side is provided with a component 46 which is provided on the third side and whose function is hindered by noise such as a tuner.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. 1 to 7 are diagrams for explaining a character receiving device according to an embodiment of the present invention. FIG. 1 is a block diagram of a broadcasting device including the receiving device of the present embodiment, and FIG. FIG. 3 is a diagram showing a specific example of the receiving device, FIG. 4 is a block diagram of the receiving device, and FIGS. 5 to 7 are side views schematically showing the mounting state of the receiving device. It is a figure.

In FIG. 1, reference numeral 1 denotes a broadcasting device for performing text multiplex broadcasting by FM broadcasting.
Receiving apparatus 2 for receiving and displaying character information, and receiving apparatus 2
And a transmission device 3 for transmitting information wirelessly, and an input device 5 for inputting traffic information and the like to the transmission device 3 through a telephone line 4 or the like.

Data of the format shown in FIG. 2, for example, is input to the transmitter 3 from the input device 5 as character information. This data is composed of a header 8 for designating the source and characteristics of the information, and a body 9 of the information.

The receiving device 2 includes a receiving section 20 for receiving teletext and a display 6 for displaying the received text information.
And a display unit 21 including the display unit 6 are rotatably connected by a connecting member 22 so that the height position of the display unit 6 can be arbitrarily variably set.

The receiving section 20 includes a tuner 18 which tunes a character broadcast received by the antenna 16 to a predetermined frequency signal, a voice synthesizing unit 23 and a speaker 24 which output the received character information by voice, and a vehicle. A power supply unit 25 connected to a battery 26 is provided, and these are housed in a box-shaped casing 20a.

The display unit 21 includes a demodulator 27 for restoring character data from the tuned signal, a memory 28 as a storage device, a CPU 29 for controlling reception, and a control pulse for the demodulator 27, CPU 29. Is provided with a crystal clock 30 for transmitting, a display device (LCD) 6 for displaying characters, a backlight 32 for the LCD 31, and a high frequency power supply 33 for the backlight 32, and these are provided in a box-shaped casing 21a. The structure is housed in.

On the front surface of the casing 21a, an operation function key 11 is provided so as to surround the display unit 6,
Directional keys (cursor keys) for moving the cursor, etc. 12
And an operation confirmation key 13 are provided. The display page of the character information on the display 6, the display position,
The display time and the display ratio between the character information and the map information can be arbitrarily changed.

Here, the crystal clock 30 and the high frequency power supply 33 are parts which are noise sources for the receiving section 20, and they are arranged in the display section 21 which is separate from the receiving section 20. On the other hand, the tuner 18 is a component whose function is hindered by the noise, and these are these components which are displayed on the display unit 21.
It is arranged separately in the receiving unit 20 which is separate from the above.

The receiving device 2 is used by being installed in the vehicle as shown in FIGS. FIG. 5 shows a case where the instrument panel 34 has a short length in the vehicle front-rear direction. By fixing the receiving section 20 to the upper surface of the instrument panel 34 and raising the display section 21 along the front window 36, the display 6 Here is an example in which is directed toward the user.

FIG. 6 shows an example in which the display unit 21 is rotated so that the display unit 6 points in the direction of the user in the case of a vehicle having an inclined instrument panel 35.

In FIG. 7, the height of the upper surface of the instrument panel 37 is shown in FIGS.
Of the vehicle higher than the instrument panel of
An example is shown in which the display 6 is oriented in the direction of the user by rotating the display so as to be positioned substantially horizontally.

In the receiving device 2 of the present embodiment, the character information is received by the receiving unit 20 mounted on the instrument panel in the vehicle, and the received information is displayed on the display unit 21. In this case, since the display unit 21 is rotatably supported by the receiving unit 20 via the connecting member 22, the shape of the instrument panel,
The display 6 can be rotated in the direction of the user regardless of the height, and the visibility can be improved.

Further, the crystal clock 30, which becomes a noise source,
Since the high frequency power supply 33 is arranged on the display unit 21 side and the tuner 18 that is adversely affected by noise is arranged separately on the display unit 21 and the receiving unit 20 which is a separate body, the tuner 1 described above is provided.
It is possible to improve the reception performance of No. 8 and output clear sound.

Further, since the number of CPUs 29 for controlling reception and display is one, the communication processing between the two CPUs, which is required in the conventional device described above, can be eliminated, and the reception unit 20 and the display unit 21 can be connected. Since the members 44 are connected to each other, the cable can be shortened by shortening the distance between the members while forming them separately, and the cost can be reduced.

[0024]

As described above, in the teletext receiver according to the invention of claim 1, since the receiving portion and the display portion are rotatably connected by the connecting member, the display unit of the display portion is directed toward the user. It is easy to direct, and there is an effect that the visibility of display information can be improved.

In the teletext receiver according to the second aspect of the present invention, since the component that becomes the noise source is disposed on the display side and the component that deteriorates in function due to noise is separately disposed on the receiving side, the receiving performance of the receiving part And, there is an effect that the audio output performance can be improved.

[Brief description of drawings]

FIG. 1 is a configuration diagram of a broadcasting device including a teletext receiving device according to an embodiment of the present invention.

FIG. 2 is a diagram showing an example of information transmitted to the receiving device.

FIG. 3 is a diagram showing a specific example of the receiving device.

FIG. 4 is a block diagram of the receiving device.

FIG. 5 is a side view schematically showing an attached state of the receiving device.

FIG. 6 is a side view schematically showing an attached state of the receiving device.

FIG. 7 is a side view schematically showing a mounting state of the receiving device.

FIG. 8 is a diagram illustrating the configuration of the claims of the present invention.

FIG. 9 is a block diagram of a conventional receiving device.

[Explanation of symbols]

 2 Teletext receiver 3 transmitter 40 receiver 41 receiver 42 display 43 display 44 connection member 45 transmitter

Claims (2)

[Claims] 1. In a teletext receiving device for receiving and displaying a teletext transmitted from a transmission device by using radio waves of the teletext, a receiving section having a receiving means for receiving the teletext, and a receiving section for receiving the teletext. A character broadcast characterized in that a display unit having a display means for displaying a character broadcast program is provided separately and both are rotatably connected by a connecting member so that the display screen position of the display unit can be changed. Receiver. 2. The component according to claim 1, wherein a component such as a clock circuit that becomes a noise source is provided on the display unit side, and a component such as a tuner whose function is obstructed by noise is provided on the reception unit side. Teletext receiver.