JPH10155142A - Small range video image transmitter and its method - Google Patents

Abstract

PROBLEM TO BE SOLVED: To allow the user to surely view a video image at every seated position by providing a video source installed in a same area, a transmitter that sends a video image through a radio wave or a light and a desired number of receivers that receive the transmission signal and display the video image and arranging the receivers so as not to cause any dead angle for viewers. SOLUTION: In the case that lots of participants are gathered together and view a same video image in a place such as a hall provided to a karaoke sing along machine or a conference hall, a video device 2 and a transmitter 3 connecting there to are installed in a same hall. Furthermore, a plurality of monitors 4 freely receiving video images are arranged so as to cause any dead angle for participants. The transmitter 3 converts the frequency of a video signal obtained from the video equipment 2 into a frequency at a UHF band or an infrared ray frequency and the converted frequency signal is transmitted. The output of the transmitter 3 is as small as just a reach within the hall. On the other hand, a plurality of the monitors 4 placed in the hall each provided with a tuner capable of receiving the UHF band or infrared ray signal and display the video reception signal.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention is intended to ensure that all participants can view a video to be shown to participants in a conference room or in each karaoke room in a so-called karaoke shop. The present invention relates to a small-range video transmitting apparatus and method which can be used.

[0002]

2. Description of the Related Art A so-called "karaoke", in which only accompaniment of a selected music piece is played and a song is sung in accordance with the accompaniment, has gained popularity as one of easy entertainments. In response to such popularity of karaoke, a karaoke store (so-called karaoke box) in which a device to select a song to be sung and an accompaniment of the selected song (hereinafter referred to as a karaoke device) is installed in each room. ) Is widespread. Such a karaoke store is suitable for, for example, enjoying karaoke among friends. That is, a karaoke shop is provided with a number of rooms where a plurality of people can meet together, and the karaoke apparatus is installed in each of these rooms. For this reason, when friends enjoy karaoke, they gather in one room and sing a song selected as appropriate.

As described above, the karaoke apparatus installed in such a karaoke store not only allows the user to select a song and plays the accompaniment of the selected song, but also displays an image corresponding to the selected song. And a receiver capable of displaying the lyrics of the selected song. Karaoke shop customers
You can enjoy the video and sing while watching the displayed lyrics.

However, in the karaoke apparatus generally installed in a karaoke shop as described above, usually only one image receiver is provided. Therefore, depending on the seated position, the video and the lyrics may be difficult to see. In order to solve such inconveniences, a device having a structure in which a large image receiver is provided in the center of the front of the room and a small image receiver is provided at a position where images and lyrics displayed on the image receiver are difficult to see, Used in practice.
In the case of the device having such a structure, it is possible to prevent the video and the lyrics from being difficult to see depending on the seating position, and it is possible to fully enjoy karaoke.

[0005]

However, in the case of the above-described apparatus provided with a plurality of image receivers, since both the large and small image receivers can send video signals by cables, the above-mentioned cable receivers need to be used. The connection work is troublesome, and furthermore, these cables are complicatedly entangled, and in some cases, there is a possibility that the cables may trip. Furthermore, in the case of such a structure, the number of image receivers that can be attached is limited, and depending on the size of the room, it is not always the case that there are no people who are difficult to see the video and the lyrics.

[0006] The same applies to a case where a conference is held in one conference room while showing video images and the like to participants. That is, when a meeting is performed in the above-described manner, a large-sized image receiver 4 is conventionally installed at a substantially central position in front of the meeting room 1 as shown in FIG. Reference numeral 6 is a chair table. Then, the participant can use this one receiver 4
See the display image of. Therefore, depending on the participant's seating position or the like, the image may be difficult to see, and in a significant case, it may not be visible at all. For this reason, as in the case of the karaoke apparatus, it is conceivable to provide a plurality of small image receivers in addition to the large image receiver 4, but again, due to the presence of the cable, there is a possibility that the connection work becomes troublesome or stumbles. And the number of image receivers is limited, so that it may be difficult or impossible to see the image depending on the number of participants.

[0007] The present invention has been made in view of the above-mentioned situation, and its purpose is to make it possible for a plurality of participants to see the same video when they come together to see the same video. An object of the present invention is to provide a small-range image transmitting apparatus and method that can reliably view an image and eliminate the need for a connection work or the like.

[0008]

SUMMARY OF THE INVENTION Among the small-range image transmitting apparatus and method according to the present invention, the apparatus according to the first aspect of the present invention includes an image source installed in the same area, And a desired number of receivers that receive the signal transmitted by the transmitter and project the video, and each of these receivers has a display screen of the receiver described above. It is characterized by being arranged so as not to be a blind spot of a viewer of the video.

[0009] The signal transmitted by the transmitter is, as described in claims 2 to 4, a VHF band or a UHF band.
Radio waves of all frequencies, such as bands, can be used, or
Light such as infrared light can be used. In addition, the area is limited to a small range such as one building or one room provided in the building, as described in claim 5. Further, as described in claim 6, in such an area, a wall surface thereof can be configured to include an electromagnetic shielding member in order to prevent the signal from leaking to the outside. Further, for example, when karaoke is not performed, the transmitter may automatically select another image and transmit it to each receiver, as described in claim 7.

Further, according to the invention according to the method, as described in claim 8, an image to be shown to a participant is transmitted by a transmitter by an image source, and the images are individually transmitted in the same area as the image source and the transmitter. The video is projected by a desired number of receivers, which are arranged so as not to be blind spots of the participants and which can receive the transmitted signal and are determined according to the number of the participants.

[0011]

By using the small-range video transmitting apparatus and method according to the present invention configured as described above, for example, a large number of participants, such as a karaoke party or a conference, can come together to see the same video. In this case, all the participants can surely see the video. That is, a video obtained by a video source such as a karaoke device or a video deck is transmitted by a transmitter,
The video is displayed on a receiver placed at a position that is easy for the participant to view. Therefore, there is no one who has difficulty in viewing the video depending on the seating position of the participant. Furthermore, when the device of the present invention is configured, since a large number of cables are not intricately entangled as in the conventional structure described above, the installation work is facilitated, and there is a danger of injury such as stumbling over the cables. Loses sex. In addition, as long as the signal sent by the transmitter is within the reach, the number of receivers to be installed is not limited, so that all participants can surely see the video.

[0012]

Next, an example of an embodiment of the present invention will be described. FIG. 1 is a schematic diagram illustrating a main part of a configuration of a small-range video transmitting apparatus according to the present embodiment, and FIG. 2 is a schematic plan view illustrating the apparatus according to the present embodiment installed in a conference room.
The small-range video transmitting apparatus according to the present embodiment includes a video device 2 as a video source, a transmitter 3 for transmitting a video obtained by the video device 2, and a video signal transmitted by the transmitter 3 in a conference room 1. And a plurality of (eight in the example shown) monitors 4 for receiving signals and displaying the video. The conference room 1 corresponds to an area described in the claims.
Further, the monitor 4 is an image receiver described in claims.

In the embodiment, the video equipment 2
The transmitter 3 and the monitor 4 each employ a conventionally known one. In particular, by using a commercially available television receiver as the monitor 4, the cost for installation is reduced. The transmitter 3 sets the frequency of the video signal obtained by the video device 1 to the UHF band. Accordingly, the monitor 4 can receive and display the UHF band signal. In some cases, a tuner or the like for receiving a signal in the UHF band is attached to the monitor 4 as necessary. Further, the output of the transmitter 3 may be delivered to the conference room 1, and a very small output is sufficient. Of course, this output conforms to the Radio Law. Further, the video projected on the monitor 4 may be color or monochrome. Although an audio signal is not required, if audio is required, it is also possible to play audio along with the video. Of course, in the present invention, the signal transmitted from the transmitter 3 is not limited to the UHF band, and may be, for example, radio waves of all frequencies such as the VHF band, or Light wavelengths such as infrared light may be used.

The monitor 4 is arranged so that its display screen does not form a blind spot for the viewer of the video. In the case of the example shown in FIG. 2, the conference participant is seated at a position indicated by a circle around the table 5. Therefore, these receivers 4
As shown in the figure, a table is arranged in a U-shape so that all the participants can surely see the image. They are arranged with a slight inclination.

Further, the transmitter 3 has a configuration in which, for example, when karaoke is not performed, another video and sound are automatically selected and transmitted to each of the receivers 4. As a result, a state where there is no video and no sound can be eliminated.

The side walls, ceiling, floor, glass windows, doors, etc., of the conference room 1 are provided with electromagnetic shielding members to prevent signals transmitted from the transmitter 3 from leaking out of the conference room 1. It is comprised including. Conventionally known electromagnetic shielding members can be employed.

The small-range video transmitting apparatus and method according to the present embodiment are configured as described above, so that the video to be shown to the participant obtained by the video equipment 2 is transmitted to the transmitter 3.
Send by Then, in the conference room 1 which is in the same area as the video equipment 2 and the transmitter 3, the video is projected by the monitor 4 arranged so that the display screen does not become a blind spot of each participant. Therefore, there is no one who has difficulty in viewing the video depending on the seating position of the participant. Furthermore, when configuring the device of the present invention, the installation work is facilitated because a large number of cables are not complicatedly entangled. Also, there is no danger of injury such as stumbling on the cable. In addition, as long as the signal transmitted by the transmitter 3 is within the reach, the number of receivers 4 to be installed is not limited, so that all participants can surely see the video.

In recent years, when carrying out business, etc., a portable small personal computer (so-called notebook personal computer or sub-notebook personal computer) is carried, and e-mail exchange with the head office and images showing products are shown to customers. Has been done.
The above-mentioned small personal computers generally include PCMC
A mounting port for mounting an IA card is provided, and the functions can be expanded by mounting the card having various functions in the mounting port. Therefore, when a person carrying such a small computer participates in a conference, the small personal computer can be used as a receiver. That is, a card that receives a television signal and displays it on a display is commercially available as the card. If such a card is used and the signal obtained by the video equipment 2 and transmitted by the transmitter 3 is made receivable, the video can be surely viewed on the table 5. In such a configuration, a device such as a tuner necessary for receiving the signal is connected as necessary in addition to the card.

Although the above-described embodiment of the present invention has been described for a case where the present invention is applied to a case where a conference is held, the present invention is not limited to the above-described example. To other karaoke rooms. When applied to the inside of the karaoke room, the image source described in the claims is a karaoke device that displays the lyrics and images of the selected song, and the area described in the claims is the karaoke room. A soundproofing material is provided on a side wall or the like of such a karaoke room, and an electromagnetic shielding member is arranged together with such a soundproofing material, and a signal transmitted from a transmitter leaks to another room such as an adjacent room. It is desirable to configure so as to prevent this.

Further, as described above, the transmitter 3 and the image receiver 4 constituting the small-range video transmitting apparatus of the present embodiment employ conventionally known ones. Each of these devices 3, 4
There are various transmission systems, signal systems, image processing systems, and the like, but these systems are not particularly limited when configuring the present invention. It may be determined according to the design.

[0021]

Since the small-range video transmitting apparatus and method according to the present invention are configured as described above, by using the small-range video transmitting apparatus and method according to the present invention configured as described above. For example, when a large number of participants watch the same video through a hall, such as a karaoke or a conference, all the participants can surely view the video. That is, there is no one who has difficulty viewing the video depending on the seating position of the participant. Furthermore, in the case of configuring the apparatus of the present invention, since no cables are used, a large number of cables are not complicatedly entangled as in the conventional structure described above, and the installation work is facilitated. In addition, there is no risk of injury such as tripping on the cable. In addition, as long as the signal sent by the transmitter is within the reach, the number of receivers to be installed is not limited, so that all participants can surely see the video.

[Brief description of the drawings]

FIG. 1 is a schematic diagram showing a configuration of a main part of a small-range video transmitting apparatus according to an embodiment of the present invention.

FIG. 2 is a plan view showing the small area video transmitting apparatus installed in a conference room.

FIG. 3 is a plan view corresponding to FIG. 2, showing a configuration of a conventional video transmission device.

[Explanation of symbols]

 1 conference room 2 video equipment 3 transmitter 4 monitor

Claims (8)

[Claims] An image source installed in the same area, a transmitter for transmitting an image obtained by the image source, a desired number of signals for receiving a signal transmitted by the transmitter and projecting the image. A small-range image transmitting apparatus comprising: a receiver; and disposing the respective receivers such that a display screen of the receiver does not become a blind spot of a person who views the image. 2. The small-range video transmitting apparatus according to claim 1, wherein the signal transmitted by the transmitter is a radio wave. 3. The small-range video transmitting apparatus according to claim 1, wherein a frequency of a signal transmitted by the transmitter is in a UHF band. 4. The small-range video transmitting apparatus according to claim 1, wherein the signal transmitted by the transmitter is a light wavelength such as infrared light. 5. The apparatus according to claim 1, wherein the area in which the constituent members are installed is a building or a room provided in the building. Small range video transmission device. 6. The wall of the area where the constituent members are installed,
The small-range image according to any one of claims 1 to 5, wherein a signal emitted from the transmitter is prevented from leaking out of the area by comprising an electromagnetic shielding member. apparatus. 7. The transmitter according to claim 1, wherein when the specific video is not transmitted to each of the receivers, another transmitter is automatically transmitted to each of the receivers. 1
The small-range image device according to claim 6. 8. An image source transmits an image to be shown to a participant by a transmitter, and is arranged in the same area as the image source and the transmitter so that the display screen does not become a blind spot of each participant. , Can receive this transmitted signal freely,
A small-range video transmission method, characterized in that the video is projected by a desired number of receivers determined according to the number of participants.