JP2008118664A - Time-base relative type multi-set joint type display system - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To enable users to view associated information of characters, etc., near the users or at hand, while viewing images, etc., from a position that is at a distance from the users. <P>SOLUTION: This system is provided with a large-sized and stationary display device, having a screen display section whose size is comparatively large that is placed and used at a position apart comparatively from a place of the user and displays images or characters based on externally extracted information, such as information extracted from an external communication network or extracted from an external recording apparatus; small-sized display devices having screen display sections, whose size is comparatively small, that is used close to or in the vicinity of the user and displays characters or an image; and cooperation means that allow display of contents, jointly or interlocked with the display contents of the large-sized display device in real time or substantially in real time to be displayed on the screen display sections of the small-sized display devices. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention is a multi-link display suitable for viewing more detailed related information, text information, and other camera angle images while watching an image on a large-sized TV set in the living room. About the system.

Recently, with the advancement of digital technology and information communication technology, there are increasing opportunities to view “screens in which images and characters are mixed (screens including images and characters)”.
For example, when watching a foreign movie on a television, a caption subtitle (translated characters) is displayed at the bottom or right end of the screen.
It also receives data broadcasts (for example, “bitcast broadcasts”) that multiplex data related to program contents and send them to a personal computer using the gaps in the radio waves of TV broadcasts. For example, a “screen in which images and characters are mixed” is displayed, or a “window-like child screen is displayed in the parent screen” occurs. “Bitcast Broadcast” is a service developed by InfoCity in Shibuya-ku, Tokyo, Japan. Of the 525 scanning lines that make up the TV screen, 21 are not used, but 4 of them are used. Used to send information at 40 kilobits per second. It is characterized by the fact that TV programs and related information flow simultaneously in parallel, and it is possible to call detailed information related to programs in real time while watching TV on a personal computer. Japanese TV broadcasting company TBS will start this bitcast broadcasting in the Kanto area from July 1997 and will broadcast it in earnest from October 1997 (the above is the Japanese economy dated September 7, 1997). Newspaper evening article “Bitcast Broadcasting Receiving related data while watching TV” and Nikkei Sangyo Shimbun article “TBS and Virtual Communications Broadcasting / Net Fusion Game”.
In addition, TVs equipped with a “picture-in-picture (PIP)” function that displays a small screen on a large screen have been released by Mitsubishi Electric Corporation in Japan. In this case, for example, a powerful image may be displayed on a large screen, and detailed information related to the image may be displayed in characters on a small screen. This is also a "screen with a mixture of images and characters" This is a type of “when a small screen (child screen) is displayed in a large screen (parent screen)”. A patent infringement lawsuit has been filed between Ampex (California) and Mitsubishi Electric in the United States for the television with this PIP function. "Electricity wins against US company on PIP-equipped TV").
In addition, “Internet TV” that allows users to browse Internet homepages on TV has recently been put on the market. The main feature of this Internet home page is that it can be instantly switched to the linked home page. Most of the information on the homepage is "screen with mixed images and text".

  As described above, recently, “screens with mixed images and text” placed in the living room (living room), screens with small screens (child screens) displayed in the large screen (parent screen) (pictures)・ In-picture) ”, and more opportunities to view Internet homepages. However, it is desirable to view the image on the large screen of the television at a position relatively distant from the user (position 2 to 3 m away), but it is desirable to view the character at the user's hand or on the table / desk. However, in the past, products that satisfy both of these two requirements have not been developed.

  Traditionally, the “living culture” that the user sees about 2 to 3 meters away in the living room and the “study culture” that the user sees from a distance of 30 cm on the desk in the office or study. It has been said that it cannot be easily integrated with a personal computer (which is a personal tool). In the same context, it is said that TV is passively relaxed in the living room, and a personal computer is actively used in the study, private room, and workplace. Furthermore, in the same context, it is expressed that the TV is viewed with a back on the sofa in the living room (relaxed), and the computer is used with the back rolled up at the desk.

  In addition, depending on the contents of the Internet homepage, the type A is suitable for viewing on a large display system away from the user, and the type B is suitable for viewing on a relatively small display system near or at hand. There is a thing. When the home pages are linked one after another, the type A and the type B appear one after another at random. For this reason, it is difficult to view type B information when viewed only on the stationary television. On the other hand, when viewing only with the personal computer, type A information cannot be fully enjoyed (for example, since personal computers cannot view type A information with a large number of family members, etc.). As described above, there is a problem that a user's usability is poor in various respects even with only a stationary television or only with a personal computer.

  Also, when watching a broadcast program for a group sports game such as soccer, a theater program from a theater, or a concert program of a music performance group on a large TV in the living room, the user is one of the group sports. May want to track and see the face of only one player, one actor in the theater, and one member in the music group (if they are scolding as a fan) . However, since a large TV set in the living room is shared and enjoyed by the entire family, it is not possible to give a single person's face to the large TV set by giving priority to the preferences of only one person. Because it ’s annoying to other members.)

  Also, when a family member is watching a similar broadcast program on a stationary TV in the living room, even if one member of the family wants to see the profile of a player or actor, Displaying a profile as a “sub-screen” would be annoying to other families. This is because, when using a parent-child two-screen TV (television receiver), displaying the “window” -like “sub-screen” in the “parent screen” is concentrated on the “parent screen”. This is because the “sub-screen” becomes an obstacle to concentrate on viewing the “parent screen”. For this reason, even if one member of the family wants to see the profile of a player or actor, there is a problem that it is difficult for other families to do so.

  The present invention has been made by paying attention to such problems of the prior art, and it is possible to view an image or the like on a large screen at a position about 2 to 3 m away from the user. An object of the present invention is to provide a multiple linkage display system that can be viewed in the vicinity of a user or at hand. In addition, the present invention provides information related to the contents of a screen displayed on a large display system placed at a location 2 to 3 m away from the user (more detailed information, other related information, and a part of the screen. Video to be displayed in an enlarged manner, video to display a specific person on the screen in an enlarged manner, video taken at other camera angles, and related information on the time axis (for example, still images and repeats at a point just before the current time) It is an object of the present invention to provide a multi-linkage display system that enables a user to view a reproduced image or the like) at or near the user.

Background of the invention.
A large stationary display device such as a wall-mounted TV set in the living room is suitable for viewing with the entire family (viewing with a family member), and the user is about 2 to 3 meters away from the display screen. Suitable for watching TV programs. On the other hand, small portable display devices such as personal computers (personal computers) and PDAs (portable information terminals) are suitable for personal use by individuals ("personal media" used by individuals). It is suitable for the user to see text / image information such as newspaper information at or near his / her hand.

For this reason, the inventor of the present invention is inappropriate for the contents displayed in a large stationary display device placed in the living room and a small (particularly portable) display device used by an individual at hand. I thought there was. In other words, the large display device placed in the living room is suitable for displaying the contents of a conventional television program and the like suitable for all the family members to enjoy and watching at a distance of about 2 to 3 m. On the other hand, a small (especially portable) display device placed at hand of the user is suitable for displaying information personally used by the user (not the whole family) and text information such as a newspaper. Therefore, the present inventor considered that a “multiple linkage display system” capable of exhibiting the characteristics of both would be required in the future.
Specifically, the functions of a conventional TV are divided into a “master unit” (a stationary large-sized TV set in the living room at a position 2 to 3 m away from the user) and a “slave unit” (on hand of the user). It is separated from the hardware, if possible, in a small portable television). Then, for example, a parent screen and a child screen of a television having a conventional PIP (picture-in-picture, parent-child two-screen display) function are assigned to the parent device and the child device, respectively. This is because, as long as the conventional PIP function TV screen is viewed, the screen displayed on the sub-screen has a large amount of character data such as the TV shopping order screen and the athletes' performance data (displaying such character data). Is a field where personal computers are better than current TVs). For this reason, it is desirable to display such sub-screen data (mainly character data) on the “slave device” at hand of the user.

  From the above viewpoints, the multiple linkage display system according to the present invention for solving the problems of the prior art as described above is based on the contents of the display screen of the master unit and the slave unit while the master unit and the slave unit cooperate with each other The contents of the display screen are linked to each other in real time, and the parent device and the child device share the contents and roles displayed on the screen with each other.

Contents of the present invention.
1. A relatively large screen display unit for displaying program content mainly composed of images based on information transmitted by television broadcasting, which is used while being placed relatively far from the user's location; A large and stationary master unit, a small slave unit that is used at or near the user's hand and has a relatively small screen display for displaying characters or images, and the display contents of the master unit in real time Or a cooperating means for displaying on the screen display unit of the slave unit the contents cooperating / coordinated in almost real time.

  In the present invention, the term “stationary type” is used in the sense of “because of its heavy weight or because it is fixed in a house and cannot be moved easily (non-portable type)”. This “stationary type” includes a type that is placed on a floor such as a living room, a wall-hanging type that is hung on an inner wall such as a living room, a type that is provided on a ceiling such as a living room or a bedroom, or a ceiling and a wall in a living room or bedroom, etc. This includes a type that can be moved between the floor and the floor.

  Moreover, in this invention, it is desirable that the said subunit | mobile_unit is a portable type which a user can carry freely. However, the handset need not be “portable” as long as it can be used in the vicinity of the user or at hand. For example, the slave unit may be a display device incorporated in a “table” (such as a table) used by the user. In other words, the “child device” of the present invention includes a child device built in a table for four persons and the screen display portion of the child device exposed at the center of the table. According to the configuration in which the slave unit is built in such a table, for example, four members of the family can display on the screen display unit of the slave unit in the center of the table while watching the live broadcast program of the horse race on the stationary large television. The betting ticket purchase screen can be used to order a betting ticket online. In addition, while a family sits at a table and watches a program that introduces catalog-sold products on the screen of a stationary master unit, a screen for ordering products and electronic payment is displayed on the screen display of the slave unit provided on the table. For example, the user can display an order screen and pay for the product with electronic money.

  Further, when the slave unit is built in the table or the like as described above, the connection between the slave unit and the master unit may be performed not by wireless but by wire. In other words, in the present invention, in many cases, it is desirable for the slave unit to cooperate with the master unit wirelessly. However, data of contents to be displayed on the slave unit is wired from the master unit or the home server. You may make it transmit to a subunit | mobile_unit by transmission.

  That is, in the first aspect of the invention, it is desirable that the slave unit is wirelessly connected to the master unit. However, the slave unit and the master unit are not necessarily connected wirelessly. This is because a home server (data management computer) is installed in one home, and all the broadcast waves or information transmitted from an external communication network are once taken into this home server, This is because the home server may send (redistribute) information to the parent device and the child device, respectively, so that the parent device and the child device can display information linked to each other. In this case, the slave unit is connected to the home server by wireless or wired connection, and the master unit is also connected to the home server by wireless or wired connection. In other words, in the present invention, data can be directly exchanged between the parent device and the child device, but when using a home server, data is directly transferred between the parent device and the child device. Data may be exchanged via the home server without being exchanged (for the home server, the article “Connected Home” on pages 100-170 of “Nikkei Electronics” 1997/10/6 published by Nikkei Business Publications, Inc. reference).

  In the present invention, the “small slave” includes an HMD (bed mount display). The HMD is a glasses type, goggles type, helmet type or the like that supports the display on the user's head or face.

  In the present invention, a plurality of slave units may be provided. For example, while four family members watch a single large-sized television in the living room, each of the four family members has a child unit at hand, and displays a screen with content according to their own preferences and wishes. It may be. Further, the slave table may be built in the table for the table, and the screen display unit of the slave unit may be exposed at the four portions corresponding to the positions where four persons sit on the upper surface of the table. In this case, a total of four screen display parts are formed on the table).

  In the present invention, the slave unit is a remote controller for the master unit (remote controller. For transmitting an infrared signal or the like from a remote location to turn on / off the power of a display device such as a television or switch the channel. The portable device) may be integrated with the device. That is, an input device for a user to input control information in order to turn on / off a power source of a display device such as a television or switch a channel, a transmission device for wirelessly transmitting the control information, and a video display A display device for receiving images and a receiving device for receiving video information from the outside as a “remote controller” in a single enclosure (for example, a notebook-type or notebook-type information device). May be.

In the present invention, the “information transmitted by television broadcast”, which is information indicating the program displayed by the parent device of claim 1, is transmitted by a television broadcast radio wave such as digital satellite broadcast or terrestrial wave. Coming information, information sent by CATV (cable TV), that is, cable television broadcasting, information automatically distributed by “push technology” and “broadcasting Internet” on the Internet, and the users who accessed it from the Internet homepage It also includes information such as live broadcast programs such as concerts (concerts) and sports games that are continuously sent to the communication terminal. In particular, in the present invention, a case where “information continuously transmitted from a television broadcast station or an Internet broadcast station” is displayed on the parent device is a typical case of its use.
In the present invention, “television” means “image or text is converted into a signal such as an electric signal or an optical signal, which is sent to the user side via a radio wave or cable, and the user side Or, based on the broadcasting / communication system for reproducing characters, the above-mentioned receiver or receiver for reproducing images and characters ”(reference:“ Kojien 4th ”issued on September 12, 1994 by Iwanami Shoten Co., Ltd. "Television" item).

  In other words, in the present invention, the above-mentioned “information transmitted by TV broadcasting” refers to radio waves (terrestrial TV radio waves and satellite TV radio waves) of TV broadcasts (terrestrial TV broadcasts and satellite digital TV broadcasts). In addition, “TV broadcasting (including VBI = Vertical Blanking Interval)” used in “data broadcasting” that broadcasts data, and “Internet broadcasting stations” using Internet “push technology” It refers to information that is automatically distributed (transmitted) to a communication terminal (computer terminal), a program (for example, live broadcast video of a concert) that is continuously transmitted from an Internet site (homepage) to a user's terminal, and the like.

The “push technology” of the Internet (also called “broadcast Internet” or “Internet broadcast”) means that information is actively sent to the user without waiting for access from the user. It is a mechanism for distribution. However, the current push type information distribution is called “Poll and Pull”, and if the client (communication terminal) accesses the server (network connection management computer) at regular intervals and the information is updated, It downloads the latest information, and the server does not select and distribute the information. However, from the point of view of the client, it seems that the server is automatically distributing information, so it is called “push-type information distribution” for convenience. You can think of it as expanding the functions of the automatic patrol software on the homepage and automating the operation. In Pointcast Network, which was launched by Pointcast in the United States in February 1996, the software "Pointcast" was installed on the client, and news, sports, health, and other fields that you like were registered. You can receive the latest information in the field. The information received from the server is displayed on the client desktop by a ticker (electronic bulletin board) or a screen saver, so that the user feels that the latest information is always distributed from the server. In other words, it can be said that the Internet homepage can be viewed as a television (cited from “Copyright” published by Copyright Information Center, pages 25-26, 1997-11, Toru Ishida, “Push Information Distribution”. ). Further, the “data broadcasting” will be described in detail in the following description of the third invention.
For the above-mentioned “programs continuously transmitted from the Internet site (homepage) to the user's terminal (for example, live broadcast video of a concert)”, the following newspaper article is quoted next.
“Matsushita Electric Industrial enters the relay business using the Internet. It is a system that transmits moving images taken with a camera-integrated video in real time to a personal computer via the Internet. Yoshimoto Kogyo recently relayed an event held in Osaka as a pilot, and plans to relay sports matches and concerts in the future. An event in which young talents appeared. The venue was shot with three digital video cameras with integrated cameras, and the video was once captured on a laptop computer, and then used as an access point for the Internet service “Hi-Ho” in Matsushita's Internet service in four locations such as Tokyo and Osaka. (Simple mobile phone) If you access Hi-Ho, you can watch the broadcast program on your PC screen, and you can freely specify the video camera on the screen and enjoy videos of different angles. Video speed is 2 frames per second. (Omitted) ”(From the article“ Nippon Keizai Shimbun “Live on the Internet” dated September 2, 1997).
Currently, “real-time applications” are attracting attention. There are “Internet broadcasting” and “matching game”. “Internet broadcasting” is a form of simultaneous communication in which voice or voice and video are simultaneously sent to a plurality of users via the Internet. The “competitive game” is a game in which a plurality of players play a battle over the Internet (cited from “Newton December extra edition”, page 66, issued by Newton Press, Inc. dated December 7, 1997).
As for “Internet broadcasting”, page 72 of “Newton December Extra Issue” issued by Newton Press, Inc. dated December 7, 1997 is cited below. “Sound and video that are transmitted and played back in real time have opened up new possibilities for Internet use. (Omitted) Since the introduction of Streamworks in 1995, video and audio data are downloaded and played simultaneously. “Streaming technology” has reached a great development today. Recently, besides Streamworks, there are many other systems such as Real Player (Real Video, Real Audio), VDO Live, and Vivo Active, and the improvement of communication speed such as the appearance of 56 Kbit / s modem and the spread of ISDN. Together, it achieves the same quality as playing a movie file on a hard disk. The development of real-time playback technology has made the realm of a new area of broadcasting on the Internet. Today, many Internet broadcasting stations actually perform broadcasting, including live broadcasting, and the major Internet magazines have their broadcasting schedules. (Omitted) In the future, a completely new program that uses the interactive nature of the Internet will appear. "

2. In 1 above, when the master unit displays a relatively large image on almost the entire display screen and displays a relatively small character on a part of the display screen, A multi-linkage display system in which a portion of characters displayed on the base unit is displayed relatively large on the screen display unit.

In the present invention, the slave unit has a parent-child screen display function, the character portion is displayed relatively large on the “parent screen” of the slave unit, and the above-mentioned “child screen” of the slave unit is displayed. You may make it display the same content as the display content of a main | base station.
Further, in the present invention, the “character part” is displayed relatively large on the screen of the slave unit, and the “background part” of the “character part” (the “character part” is displayed). As the “background screen”, the same content (such as a movie image) as the content displayed on the parent device may be displayed.
By doing so, the user can know the display contents of the master unit by simply looking at the screen of the slave unit.

  In the present invention, the case where “a relatively small character is displayed on a part of the display screen” of the parent machine means, for example, a caption subtitle (telop) of a foreign movie or a translation of a conversation in an interview program with a foreigner. Subtitles (telops), text by teletext using gaps in TV radio waves, subtitles (telops) for notifying emergency information such as earthquakes and disasters in ordinary TV programs, and explanations of news incidents in news programs There are flips (signboards / boards displaying characters) used by commentators when performing.

  In addition, “text broadcasting” in which text information is broadcast in the gaps between television waves has been started in Japan for 12 years. A TV with a built-in teletext receiver can watch subtitles. This subtitle broadcasting is currently being implemented in Japan by NHK and 44 private broadcasters. Also, not only television broadcasting but also radio FM broadcasting distributes character information and road traffic information by radio waves (so-called “visible radio”).

  Also, a service that superimposes and transmits digitized data signals in the gaps between TV waves (as in the case of “television broadcasting” on TVs that have been in practical use in Japan for 12 years, the gaps in TV waves are used. "Data broadcasting", which is a "data multiplex broadcasting service" that sends data in this manner, has already been started by a plurality of companies. For example, “ADAMS” of Asahi Broadcasting in Japan (TV Asahi) distributes program information and news as HTML files (HTML format data widely used on the Internet) and plays them using a browser. is there. In addition, the “data parade” of Tokyo Broadcasting Corporation (TBS) in Japan distributes HTML files and also distributes computer programs. The Japanese digital broadcasting service (PerfecTV), which operates digital broadcasting by communication satellites in Japan, starts a data broadcasting service “PerfecPC” for personal computers after February 1998. This service is used by incorporating a dedicated receiving board and software into a personal computer. The company plans to distribute newspapers and magazines electronically using Internet file and software distribution functions, Internet homepage data, and game software. From the summer of 1998, data distribution linked to television broadcasting will also be performed (cited from page 22 of the Nikkei Personal Computer December 1, 1997 issue, published by Nikkei BP).

  If the content of flips (subtitles) and telops used in the above-mentioned news programs are sent as digital data that can be distinguished from other images (newscasters, commentator images, etc.), It is easy to display flips and telops large. However, if the flip or telop is mixed as the image and analog data, it is quite difficult to distinguish between the two. However, even in such a case, if there is a technique for automatically recognizing only the character portion and converting it into character data (text data), it is possible to display only the character portion on the slave unit. Such a technique has already been developed. In other words, the Nikkei Sangyo Shimbun dated November 6, 1997, stated in the article entitled “NTT Recognized in 20-30 Seconds of Subtitles in Moving Images” as follows: "Nippon Telegraph and Telephone (NTT) announced on May 5 that it has developed a technology that can automatically recognize telops (subtitles) in color moving images at high speed and with high precision. And edge (points where brightness and color change suddenly) are used to detect frame images in which characters appear, then character regions are identified using colors and telop shapes, and layout is analyzed. Recognize character strings, so that it can be applied to automatic recognition of photographed character information such as flips (signboards) used for explanation in the program. "

  In addition, the technology that automatically converts voice into text makes it possible to display the translated text in real time when an interview is conducted in a foreign language on a television. Of course, when interviews are conducted in Japanese, it is also possible to display subtitles in real time in Japanese, which is useful for hearing impaired people.

3. In the above 1, when the link unit is displaying an image, the link unit displays “information related to the image of the master unit on the Internet home page” on the screen display unit of the slave unit. ”Information” and “information related to the image of the parent device, which is information transmitted by data broadcasting”, and the like. Linked display system.

In the present invention, it is desirable that the master unit has a bidirectional (interactive) broadcast / communication service function capable of providing information desired by the user.
Further, in the present invention, the slave unit is provided with a master-slave screen display function, and the above-mentioned “related information” is displayed on the “parent screen” of the slave unit, while the master unit is displayed on the “slave screen” of the slave unit. The same information as the display content may be displayed. In this way, the user can know the display contents of the parent device only by looking at the child device screen (parent screen and child screen).

  The provision of the “related homepage information on the Internet” can be provided by browsing the homepage information linked on the Internet with a browser. It is also possible to use the “push technology” of the Internet or the data distribution using the “multicast technology” of the Internet.

  For example, a terrestrial data broadcasting service provided by the Japanese TBS (Tokyo Broadcasting) under the name “Data Parade” (using a technology called “bitcast” developed by Infocity, a Japanese venture company) It is possible to provide information linked to programs and commercials that are broadcast on TV. With this service, it is possible to display TV programs on a personal computer as well as related Internet homepage information. It is also possible to use a homepage that contains related detailed information such as more detailed product descriptions while the commercials for the product are flowing (Nikkei Multimedia magazine, published by Nikkei BP 1997 / (From the October issue, page 50 “Data broadcasting production start”). According to the present invention, for example, in this “data parade” service, when a CM of a product is flowing in the parent device, it is possible to display related detailed information of the CM product on the child device. Become. Conventionally, the related detailed information of the product is displayed on a child screen (“window”) of a television screen of a parent-child two-screen display method.

  Here, “data broadcasting” refers to media that can broadcast multimedia content such as text information, still images, video, programs and data for general TVs and PCs using broadcast radio waves. . In the “Data Parade” described above, content similar to the Internet is delivered to the user's personal computer using a gap between terrestrial TV radio waves (VBI = Vertical Blanking Interval), and a character broadcast is used for reception. An extension of the receiving board is used. In “bitcast”, individual small “programs” are sent one after another, so that programs can be displayed in real time or selected from a menu for viewing. A method is adopted in which the oldest programs are deleted in order within the set capacity of the hard disk. However, it has a function to save the program specified by the user without deleting it (from the Nikkei BP magazine “Nikkei Multimedia” 1997 / October 53-55 “Data broadcasting production start”) .

  In addition, DIRECTTV, which started CS satellite broadcasting in Japan in December 1997, plans to start satellite data broadcasting for TV in the spring of 1998. Information linked to TV programs such as sports and horse racing. The service will be provided. The Japan Central Horse Racing Association (JRA) is considering running a horse race program on the DIRECTV data broadcast. JRA has already been engaged in online voting (purchase of betting tickets) services using telephone lines, but it has also begun development of voting terminals using satellite data broadcasting, and the voting terminals will be born after 1998 ( (From above, Nikkei BP magazine “Nikkei Multimedia” 1997 / October, page 51 “Data broadcasting production start”). According to the present invention, for example, in a horse racing program that uses this DIRECTV communication data broadcast, a screen for online voting (purchase of betting tickets) is displayed on the child device while a live relay race program of the horse racing is played on the parent device. Can be.

  INTERTV TV, a satellite data broadcasting service scheduled by DIRECTV, repeatedly transmits data to be distributed in a fixed cycle like a carousel, and is required by a remote controller (remote controller). It is a mechanism to take out only a simple screen. In this way, the memory capacity of the terminal can be reduced and can be incorporated in the satellite broadcast receiving terminal as a standard. In DIRECTV, the data broadcasting function that is standardly installed in this receiving terminal will be limited to “TV program linked type” for the time being, and “independent” data broadcasting (contents independent of TV programs) such as cataloging and shopping. Service will be a future challenge. In this “Interal TV”, data repeatedly transmitted at a predetermined interval is extracted by a user's remote control operation and displayed on a television image by the carousel method. When the user operates the remote control, characters and figures from the data broadcast are superimposed on the television image, and the user selects the menu with the remote control. That is, for example, in a relay program of sports matches such as soccer, characters indicating menus such as “member table, details of game progress, past results, progress of other stadiums” are displayed at the left end of the screen, for example. When the user selects one of the menus, the menu screen is displayed as a “sub-screen” or the like ((Nikkei BP magazine “Nikkei Multimedia” 1997/10, published by Nikkei Business Publications, Inc.). (From Monthly Issue 56-57 “Starting Data Broadcasting”).

4). In the above 1, the parent device has a parent-child screen display function (parent-child two-screen method or the like), and the linkage unit displays “before parent image” displayed relatively larger by the parent device. At the same time, when a relatively small “child screen” is simultaneously displayed in an open area such as a “window” in the parent screen, the “child” of the parent device is displayed on the screen display section of the child device. A multi-link display system that displays the contents of the screen relatively large.

  In the present invention, the slave unit is also provided with a master-slave screen display function, and the contents of the “slave screen” of the master unit are displayed on the “master screen” of the slave unit, while “ The contents of the “parent screen” of the parent device may be displayed as they are on the “sub-screen”. That is, in this case, the contents of the “parent screen” and the contents of the “child screen” of each of the parent device and the child device are reversed to each other. In this way, the user can know the contents of the parent device's parent screen at the same time by simply looking at the child device screens (the parent screen and the child screen).

  According to the fourth invention, in a television having a conventional picture-in-picture function (PIP function; parent-child screen display function) (such as a parent-child two-screen television receiver), the child screen has a “window” ( This child screen is displayed in a large size on the user's handset so that it can be easily viewed by the user (a child displayed on a stationary television by the conventional PIP function) The screen is installed about 2 to 3 meters away from the user, and the size of the child screen is small, so it is difficult for the user (especially myopic) to see it clearly. ). Further, in the fourth invention, since the “child screen” of the parent device can be displayed on the child device, the “child screen” of the parent device may continue to be displayed on the parent device. There is no inconvenience even if the display is not continued. Therefore, according to the fourth aspect of the invention, it is not necessary to keep the “child screen” displayed on the parent device (from the time when the contents of the “child screen” of the parent device are displayed on the child device, Since the “child screen” may be erased from the parent device, there is no “window” on the parent device screen, and the entire parent device screen is easy for the user to see and concentrate. can do. That is, when displaying a sub-screen like a “window” in the main screen displayed on the display unit of one TV by the conventional PIP function, the presence of the “window” means that the user There has been a problem that it is a hindrance when viewing in a concentrated manner, but the present invention can solve such a problem.

5. In the above 1, the cooperation means is a person displayed on the screen of the master unit on the screen display unit of the slave unit when the master unit displays a moving image including a plurality of persons. A multi-linked display system that displays a relatively large image of a specific person designated by a user.

In the present invention, for example, an image obtained by imaging a plurality of people together and an image obtained by imaging each person are broadcast or transmitted together. When displayed, the slave unit displays “a video of a specific person designated by the user”.
In the present invention, the slave unit has a master-slave screen display function, and the “parent screen” of the slave unit displays the above-mentioned “video of a specific person designated by the user” while On the “sub-screen”, the display content of the parent device (“images taken by photographing a plurality of people together”) may be displayed as it is. In this way, the user can know the display contents of the parent device at the same time only by looking at the child device screen (parent screen and child screen).

6). In the above 1, the cooperation unit displays the video imaged at a certain camera angle among the video images obtained by imaging a certain target with a plurality of camera angles. A multi-link display system that displays on a screen display unit of a slave unit a video imaged with a camera angle different from that of the video displayed on the screen of the master unit.

In the present invention, for example, in “multi-camera angle broadcasting / transmission” which has already been performed in a sports game relay program such as baseball, an image from a certain camera angle is displayed on the screen display unit of the parent device. The image from another camera angle is simultaneously displayed on the screen display unit of the slave unit.
In the present invention, the slave unit is provided with a parent-child screen display function, and the “parent screen” of the slave unit is displayed with the above-mentioned “video imaged from the camera / angle desired by the user”. The display contents of the master unit (for example, video captured from the camera angle selected by the television station) may be displayed as it is on the “sub-screen” of the device. In this way, the user can know the display contents of the parent device at the same time only by looking at the child device screen (parent screen and child screen).
One method for realizing the “multi-camera angle broadcasting” is to provide one program through a plurality of channels. For example, in a baseball or soccer broadcast, the camera is currently switched at the broadcast station, but if the video captured by each camera is streamed to a different channel, viewers can set their own channel. By switching, each scene can be viewed from the angle (camera angle) that you want, and you can realize "pseudo interactive (two-way) TV" (Newton Co., Ltd., December 7, 1997) (From the press issue "Newton December issue extra edition" page 54).

7. In the above 1, when the master unit displays a certain moving image, the cooperation unit is a part of the image displayed by the master unit and designated by the user on the screen display unit of the slave unit. A multiple linkage display system that displays a relatively large portion of the image.

  The present invention relates to a bitmap in a certain area (part of a screen) designated by a user when an image in a base unit of a bitmap display (method for displaying information in units of dots) is displayed, for example. Only the image is displayed in real time on the slave unit.

  In the present invention, the slave unit has a master-slave screen display function, and the “parent screen” of the slave unit is displayed with the above “part of the screen specified by the user” large, The display contents of the parent device (the entire display screen of the parent device) may be displayed as it is on the “child screen”. In this way, the user can know the entire display contents of the parent device at the same time only by looking at the child device screen (parent screen and child screen).

8). In the above 1, the linkage unit displays an image at a time point designated by a user in the moving image displayed by the parent device to the child device while the parent device is displaying a certain moving image. A multi-link display system that displays as a still image.

  According to the eighth aspect of the invention, an image showing “a person” in a moving image displayed on the master unit or a part thereof is displayed as a still image on the slave unit. In the present invention, for example, a moving image displayed on the parent device is recorded in real time on a recording device such as a hard disk or a DRAM (dynamic random access memory) provided in the parent device, the child device, or the home server. Then, based on an instruction from the user, an image at a certain point is displayed as a still image on the slave unit.

  In the present invention, the child device has a parent-child screen display function, and the “parent screen” of the child device is displayed with the above-mentioned “still image specified by the user” large, The display content of the parent device (moving image currently in progress) may be displayed as it is on the “screen”. In this way, the user can know the display contents of the parent device at the same time only by looking at the child device screen (parent screen and child screen).

9. In the above 1, the cooperation unit is configured to display a moving image after a point designated by a user in a moving image displayed by the parent device on the child device while the parent device is displaying a certain moving image. A multi-link display system that reproduces images.

In the ninth aspect of the invention, while the master unit is displaying the moving image, the entire moving image displayed on the master unit or a partial moving image of the screen is displayed on the child unit. Repeated (rewind / replay) is displayed on the machine. In the present invention, for example, a moving image displayed on the parent device is recorded in real time on a recording device such as a hard disk or a DRAM (dynamic random access memory) provided in the parent device, the child device, or the home server. Then, based on an instruction from the user, an image from a certain point is displayed on the slave unit so as to repeat (play).
In the present invention, the child device is provided with a parent-child screen display function, and the “parent screen” of the child device is displayed with the above-mentioned “repeat moving image from the point specified by the user” large while the child device is displayed. The “sub-screen” of the machine may display the display content of the parent machine (moving image currently in progress) as it is. In this way, the user can know the display contents of the parent device at the same time only by looking at the child device screen (parent screen and child screen).

  In the above inventions 2 to 7, the screen having the parent device and the screen having the “data parent-child relationship (relation)” are displayed on the child device. On the other hand, the inventions of the above 8 and 9 are screens that have a “temporal or time-axis parent-child relationship (relation)” with the screen of the parent device (for example, a time delay with respect to the parent device screen). Screen) on the handset.

10. The inventions described in the above 1 to 9 are cases in which “information transmitted by television broadcasting” is displayed on the parent device. In the tenth invention described here, the “information taken from an external communication network or an external recording device” is displayed on the master unit.
That is, the ten inventions are described as follows: "Information that is used by being placed relatively far from the user's location, such as information taken from an external communication network or information taken from an external recording device. Based on the above, a large and stationary main unit having a relatively large screen display unit for displaying program content mainly composed of images, and for displaying characters or images used at or near the user's hand A small slave unit having a relatively small screen display unit, and means for displaying on the screen display unit of the slave unit the contents displayed in cooperation with or in real time with the display content of the master unit Is a multi-linkage television system characterized by including

Examples of the present invention include the following cases (a) to (f), for example.
(A) Internet homepage information (English information) is accessed and browsed with a browser (browsing software) and imported (withdrawn) (“pull type = pull type” Internet (“push type = broadcast”) ”) (Not Internet of type)), while displaying on the master unit, the meaning of an English word in the English sentence is extracted by the English dictionary software built in the computer terminal, and the meaning of the English word is used as the slave unit. When displaying.
(B) When browsing the home page information of the Internet with a browser and displaying it on the master unit, while displaying the information of the home page linked to the home page on the slave unit.
(C) Search the commercial database PATOLIS provided by the Japan Patent Information Organization, and display the search output data on the parent machine, and look up the meaning of a term in the search output data using dictionary software. Display the result on the handset.
(D) Reading an encyclopedia recorded on a DVD (Digital Video Disc) or CD-ROM and reading the information (information recorded on an external recording device such as a CD-ROM is also sent from the master unit. For example, when displaying the information related to the external device (included in the information imported from the CD-ROM or the like) on the master unit, and displaying the related items on the slave unit.
(E) While playing a video game (video game) recorded on a DVD or CD-ROM on the master unit, the game character profile displayed in the game and hint information for capturing the displayed game development scene When displaying related information such as
(F) Playing back karaoke software recorded on a DVD or CD-ROM on the parent device, outputting music from a speaker provided on the parent device, and displaying lyrics and a background image on the screen display unit of the parent device When displaying the lyrics (characters) of the karaoke on the slave unit.

Concept of the present invention.
FIG. 1 is a conceptual diagram showing the concept of the overall hardware configuration of the present invention. In FIG. 1, 20 is a master unit (such as a television) having a large screen display unit placed in a living room (living room), 20a is a screen display unit (plasma display panel (PDP)) provided in the master unit 20. A liquid crystal display device (LCD), a cathode ray tube (CRT), or the like). Reference numerals 31, 32, 33, 34, and 35 are wireless transmission / reception units (infrared communication ports) for wirelessly connecting to external devices.
In FIG. 1, numerals 21, 22, and 23 are slave units having a small screen display unit for displaying the contents linked to the display screen of the master unit 20 in real time. Reference numerals 21a, 22a, and 23a denote screen display units (comprised of LCD, organic EL (electro-neminescence), etc.) provided in the slave units 21, 22, and 23, respectively. 41, 42, and 43 are used for wireless transmission / reception with the wireless transmission / reception units 31, 32, and 33 of the parent device 20 (that is, between the parent device 20 and each of the child devices 21, 22, and 23). In order to transmit and receive signals between each other wirelessly, the wireless communication units are provided in the slave units 21, 22, and 23, respectively. In FIG. 1, reference numerals 51, 52, and 53 denote wireless transmission / reception units provided for wirelessly transmitting and receiving signals between the respective slave units 21, 22, and 23.
As described above, in the present invention, since the base unit 20 and the handset units 21, 22, and 23 can perform data communication with each other wirelessly, image data, character data, audio data can be exchanged between them. Such as content data and control signals can be transmitted and received mutually. Therefore, the display contents of the master unit 20 and the display contents of the slave units 21, 22, and 23 can be shared in real time with each other as desired by the user by a predetermined computer program. In other words, the contents of the display screen of the parent device and the contents of the child device display are linked in real time to each other while the parent device and the child device are linked to each other. The contents and roles to be displayed can be shared with each other.

First (0101)
As described above, according to the present invention, the master unit and the slave unit cooperate with each other, so that the master unit screen and the slave unit screen can be displayed while being linked to each other. That is, according to the present invention, (1) “the character portion in the screen where the image and the character are displayed, which is displayed on the parent device”, (2) “the child screen is displayed in the parent screen "Sub-screen part in the screen", (3) "User-specified part of the screen displayed on the base unit", "Specific person in the video of multiple people displayed on the base unit" Video ”or (4)“ When a video imaged at a certain camera angle in a video imaged at a multi-camera angle is displayed on the main unit, the camera angle is different from that video. Can be viewed on a small display device close to the user's hand or nearby (enlarged display), so even for people with myopia, (1) `` Part of the character in the screen where images and characters are mixed '' displayed on the machine, (2) `` The child screen is displayed in the parent screen "Sub-screen part in the screen", (3) "User-specified part of the screen displayed on the base unit", "Specific person in the video of multiple people displayed on the base unit" Video ”or (4)“ When a video imaged at a certain camera angle in a video imaged at a multi-camera angle is displayed on the main unit, the camera angle is different from that video. It is possible to clearly and clearly see “the image picked up by”. In other words, a conventional television or the like is placed in the living room at a position relatively distant from the user (a position that is 1 to 3 meters away, an average position that is about 2 meters away), and is therefore displayed on the television. It was not easy to see clearly the letters, sub-screens, and parts of the images, especially for people with myopia. However, according to the present invention, even a person with myopia can see a part of the screen clearly and clearly.
Second (0102)
Further, in the present invention, the slave unit is provided with a parent-child screen display function (parent-child two-screen method), and the screen display unit of the slave unit displays “the contents displayed on the master unit as described in (1) to (4) above”. If the same image as that of the master unit is displayed on the “slave screen” of the slave unit while displaying the “related / related content” as the “parent screen”, the user can select It is very convenient because it is possible to grasp the display contents of the master unit simply by looking at the machine.
Third (0103)
Further, according to the present invention, in a television receiver or a personal computer having a conventional picture-in-picture function (PIP function; parent-child two-screen display function), the child screen appears as a “window” in the parent screen. However, this small screen is displayed large on the handset at the user's hand so that the user can easily see it (the small screen displayed on the stationary TV by the conventional PIP function is The type TV is installed about 2 to 3 meters away from the user and the size of the sub-screen is small, so there is a problem that it is difficult for the user (especially myopic) to see clearly) .
In the present invention, since the “child screen” can be displayed on the slave unit, the “slave screen” may or may not be displayed on the master unit. Therefore, according to the present invention, it is not necessary to display the “child screen” on the parent device (there is no need to display the “child screen” like “window” on the parent device). An extra “window (sub-screen)” is eliminated on the screen, so that the screen of the main unit can be easily viewed by the user and can be easily viewed by the user. That is, when displaying a sub-screen like a “window” in the main screen displayed on the display unit of one TV by the conventional PIP function, the presence of the “window” causes the user to concentrate the main screen. However, the present invention can solve such a problem.
Fourth (0104)
Further, according to the present invention, information automatically distributed (“Internet broadcasting”) by “push technology” from the Internet is displayed on the main unit 1 and related to it while being viewed by the entire family (the link destination). The information on other homepages can be viewed by each family member by displaying them on the handset. Therefore, it is possible to view information on a plurality of related home pages from multiple sides while a family and an individual are in one living room. In addition, according to the present invention, it is possible to display related information transmitted by “data broadcasting” on the slave unit while displaying a television program from the ground wave or satellite on the master unit.
5th (0105)
Further, according to the present invention, based on a user's request, a moving image from a certain point in time is rewound and played back on the child device in association with the moving image displayed on the parent device, or displayed on the parent device. It is possible to display only an image showing a scene at a certain point in time as a still image on the slave unit.
6th (0106)
In addition, in the present invention, if a speaker is provided in the handset at the user's hand separately from the stationary television about 2 to 3 m away from the user, even a person who is far away can be provided from the television. The sound of the program can be heard easily and clearly.
Further, in the present invention, the contents to be displayed on the slave unit by incorporating the recording device in the slave unit, for example, the above-mentioned “character portion in the screen displayed on the master unit where the image and the character are mixed ( "Subtitle (telop) or flip (signboard) text information part in the program)" or "Sub-screen part in the screen where the sub-screen is displayed in the main screen" or "Displayed on the main unit If you record the “moving image at a certain point in time (still image)” on the recording device built into the slave unit, the user's own edited image / character database (“your own program”) ) Can be created.
7th (0107)
Japanese Patent Publication No. 6-61390 “Parent-Child Electronic Game Device” (Applicant: Casio Computer) discloses the following device. “A large electronic game device and a small electronic game device are connected to execute a game of the small device on the large game device. Therefore, the child electronic game device is set in the parent electronic game device. The game can be enjoyed on a large screen with a large key and easy to see, and the game can be played on a child electronic game device, and the execution process can be displayed on the display surface of the parent electronic game device by transfer, Conversely, a game can be played on the parent electronic game device, and the execution process can be transferred and displayed on the display surface of the child electronic game device, and a plurality of child electronic game devices can be connected to a number of parent electronic game devices. In addition, as shown in FIG. 14 and FIG. 15 (fourth embodiment) of this gazette, two games with a parent electronic game device are possible. When playing a battle game with a child electronic game device connected, the player does not display the mine position set by himself / herself on the display device of the parent electronic game device and the display device of the child electronic game device of the opponent. It is displayed on the electronic game device for children. That is, it is possible to display only the position of the landmine set by the user that he / she does not want to show to his / her opponent only on his / her child electronic game device.
As described above, according to the above publication, when a battle game is played by connecting a parent electronic game device and two child electronic game devices, the position of the mine set by the player is the same as the display device of the parent electronic game device. Although it is not displayed on the display device of the opponent's child electronic game device, it is displayed on the child's electronic game device. That is, it is possible to display only the position of the landmine set by the user that he / she does not want to show to his / her opponent only on his / her child electronic game device.
As described above, in the above publication, “a technology that makes the display content of the child electronic game device slightly different from the parent electronic game device (the position of the land mine that you do not want to show to your opponent is displayed It is disclosed that only the device can display it).
However, the above publication is based on the premise of an electronic game device, and the display content of the child electronic game device is basically the same as the display content of the parent electronic game device. Exceptionally, it is recognized that the mine position set by the user that is not desired to be shown to the opponent can be displayed only on the child electronic game device.
This is described in the 8th to 16th lines of the right column (column 9) on page 6 of the above-mentioned gazette, "If the shell fired by your tank hits the opponent's tank, the main CPU 14 determines that, The CRT display device 3 and each of the child electronic game devices 6 and 6 are given and displayed with the opponent tank destruction data and their own scoring data. . That is, this description clearly shows that “the own score data added to the opponent tank destruction data” and the like are displayed in common on the parent electronic game device and the child electronic game device.
In other words, in the above publication, the display content of the parent electronic game device and the display content of the child electronic game device are basically always the same and common. The presence / absence of “the landmine position set by the user” may be slightly different between the display of the parent electronic game device and the display of the child electronic game device.
On the other hand, the present invention is premised on a “television” having a characteristic of “streaming a program based on information transmitted by television broadcasting (including via the Internet)” such as television radio waves. Information related to the display content of the “master unit” that is “TV” (related information that is fundamentally different from the display content of the master unit) is displayed on the “child screen” in the “parent screen” of the master unit ( Instead of the conventional parent-child two-screen system), the starting point (technical idea) is to display on the screen display unit of the “child device”.
As described above, in the device shown in the above publication, what is displayed on the “parent” electronic game device is a game screen (game screen that is read and displayed from a CD-ROM or ROM cassette). It is not a “program continuously played based on information sent by television broadcasting” like the “master” of the present invention.
Further, in the above publication, what is displayed on the child electronic game device is not only “same game scene and score data”, which is basically the same as the parent electronic game device and has the same contents as the present invention. It is basically different from the display contents of the main unit (if the image and text are different, the same image even if the target is different, the same target even if the camera angle is completely different), but the main unit It is not “information linked to or linked to the display content”.
In these respects, the above-mentioned publication and the present invention are completely different in their objects (television and game device), and their operational effects and technical ideas are also completely different.

  The best mode for carrying out the present invention is a mode as described in Example 1 below.

Next, FIG. 2 is a schematic diagram for explaining the first embodiment of the present invention mainly from the appearance, and FIG. 3 is a schematic block diagram for explaining the concept of the present embodiment. In FIG. 2, 1 is a master unit composed of a home-use large-sized television set in the living room, 1a is a screen display unit for displaying the screen of the television, 2 is connected to the master unit 1, and A receiving antenna 3 for receiving a signal by radio waves from a television station or an artificial satellite 3 is a transmitting / receiving unit for transmitting / receiving data to / from an external device by radio (for example, infrared rays).
In FIG. 2, reference numeral 4 denotes a table (for use by a user in a family) about 2 to 3 m away from the base unit 1, and 5 denotes a small portable type placed on the table 4. 5a is a display unit for displaying the screen of the slave unit 5, and 6 is a support base for placing the slave unit 5 on the table 4 (the slave unit 5 when being carried). 7 is a transmission / reception unit for transmitting / receiving data to / from an external device by radio (for example, infrared rays), and 8 is a speaker for voice / sound output. In FIG. 2, 9 is a remote controller (remote controller) for inputting data such as characters or symbols, a program channel number, and a control signal such as a power ON / OFF signal. The remote controller 9 has a keyboard for inputting characters and a pointing device such as a mouse (not shown), a trackball (not shown), and a slice pad (not shown) for inputting positional information on the screen. A device (not shown) is provided. Reference numeral 10 denotes a transmission / reception unit for transmitting / receiving data to / from an external device by radio (for example, infrared rays). In this embodiment, the remote controller 9, the master unit 1, and the slave unit 5 can wirelessly transmit and receive signals between the three parties by the wireless transmission / reception units 3, 7, and 10. ing.

  In this embodiment, only one slave unit (small display device) 5 is shown on the table 4, but this slave unit 5 can be individually held by all members of the family. In addition to homes, a single parent device 1 and a plurality of child devices 5 may be provided as a set in a room at a workplace, a public facility such as a library or an art museum.

Next, the operation of this embodiment will be described with reference to FIG.
(A) First, when image information and character information are mixedly mounted on the parent device 1, a case where character information is mainly displayed on the child device 5 at hand of the user will be described.
A case where the user wants to watch a certain program (in the following example, this program is assumed to be a live broadcast program of a sports game) is taken as an example. In addition, the main | base station 1 of a present Example is set as the television of a parent-child 2 screen system (it has a picture in picture function). In this case, the user operates the remote controller 9 at hand to select a favorite program, wirelessly transmits a control signal to the master unit 1 from the transmission / reception unit 10 provided in the remote control 9, and receives the reception antenna. Select the channel with your favorite program from, and display it. In addition, the user operates the remote controller 9 to set the operation mode of the slave unit 5 to a mode corresponding to the request “largely display mainly the character information in the screen of the master unit 1”. Suppose.
Now, when the user instructs to output a profile of a favorite player while watching a sports game, the screen of the sports game is doubled (folded) in the large screen of the main unit 1, The player's profile (character information) screen is displayed. The display of the character information is also displayed on the display unit 5a of the handset 5 at or near the user (by the mode setting of the handset 5) at the same time as the display on the base unit 1. Large display. For the user, the display of the character (profile) is difficult to see from the distance of about 2 to 3 m (especially for a person with myopia) only by the display of the master unit 1, but the slave unit 5 Can be read easily as if you were looking at a magazine or newspaper.

The player profile data to be displayed on the child device 5 can be displayed on the child device 5 by a method of wireless transmission from the parent device 1 to the child device 5, but other methods are also possible. . As another method, for example, the signal received by the receiving antenna 2 is directly transmitted to the parent device 1 and the child device 5 respectively, and the child device 5 receives the profile in the signal received by the receiving antenna 2. Only a signal indicating the signal (a signal centered on character information) may be selected and displayed in a large size. That is, in the above-described bitcast broadcasting or the like, character data or the like is multiplexed and transmitted in the gap of the TV wave, but only the multiplexed character data is displayed in a large size on the handset 5. Thus, only the player's profile can be displayed on the handset 5.
As described above, in this embodiment, the master unit 1 and the slave unit 5 cooperate with each other, so that the screen of the master unit 1 and the screen of the slave unit 5 are interlocked with each other, and display contents and roles are mutually related. It will be displayed while sharing.

  Further, in this embodiment, the characters of the player's profile are displayed on the slave unit 5 in a comparatively large size, and the sports game displayed on the master unit 1 is displayed on the background portion of the characters of the slave unit 5. It may be. That is, when a sports game program is displayed on the main unit 1, the characters of the profile of the player are displayed small in one corner of the display unit of the main unit 1 and are difficult for the user to read. Therefore, in the present embodiment, the character of the profile is displayed large on the handset 5, and the sports game program (the content displayed on the base unit 1) may be displayed on the background. it can.

FIG. 4 shows an example of the operation (A). In FIG. 4, 12 is a screen displayed on the parent device 1, and 13 is a screen displayed on the child device 5. A screen (foreign movie) is displayed on the screen 12 of the main unit 1, and a superimposed subtitle (a character string indicating the conversation contents of the movie characters) 12a is displayed in the lower part of the screen. It is displayed with tatami mats. However, since the caption portion is character information, there is a problem that it is difficult to see (especially for a myopic user) from the screen of the main unit 1 at a position about 2 to 3 m away. Therefore, in this embodiment, based on the radio signal from the master unit 1, the character information of the caption superimpose is enlarged and displayed on the screen 13 of the slave unit 5. Therefore, even a near-sighted person can read only the subtitles on the screen at hand by the handset 5 while viewing the Western movie on the large powerful screen of the base unit 1.
In this embodiment, in this case, the screen image of the slave unit 5 may be displayed with a large image displayed on the master unit 1 on the background while displaying a large caption. This is convenient because the user can grasp not only the display contents of the slave unit 5 but also the display contents of the master unit 1 by just looking at the slave unit 5.

In addition, when reading information from a video tape using a conventional analog recording method and viewing a movie, a signal in which subtitles and images are integrated in an analog manner is recorded on the video tape. It is difficult to extract only the subtitles and display them on the slave unit 5 (the same applies when watching a movie program with subtitle supervision in an analog television broadcast). That is, as in this embodiment, in order to share the image portion and the subtitle (character) portion in the movie with the master unit 1 and the slave unit 5 which are separate display devices, respectively, the image portion It is advantageous to broadcast or transmit in a form (digital data) that can separate the subtitle (character) portion from each other.
However, for example, the subtitles of the movie displayed on the master unit 1 are “automatically recognized” at high speed, “image data is converted to character data (text data)”, and the converted character data is converted into the slave unit 5. If it is transmitted to and displayed on the slave unit 5, subtitles can be displayed on the slave unit 5 in almost real time with the movie displayed on the master unit 1. The same is true for news commentary programs, etc., characters written on flips (signboards) used for news commentary are automatically recognized and converted to image characters at high speed and sent to the slave unit 5. May be displayed. If the contents of the flip are recorded as character data in a recording device built in the slave unit 5, the user can save the contents of the flip as character data in a database or the like.

(B) Next, while watching the sports game relay program, the user changes the operation mode of the slave unit 5 with the remote controller 9 as “sub-screen (picture screen in the master screen of the master unit 1). A case will be described in which the mode of “display a large image (by the in-picture function)” is set.
Now, when the user instructs to output the profile of a favorite player while watching a sporting game, a sub-screen like “window” is displayed in the main screen of the main unit 1, and the sub-screen is displayed. The player's profile is displayed in text. At this time, the contents of the child screen (display of characters) are simultaneously displayed on the display unit 5a of the child device 5 at or near the user. For the user, the display of the child screen is difficult to see from the distance of about 2 to 3 m by the display of the parent device 1 alone (particularly for a person with myopia), but the child device 5 is used by the user. As you can see magazines and newspapers, you can see only the sub-screen clearly. The contents of the child screen displayed on the child device 5 are typically character information, but may be graphic information / video information.

  FIGS. 5A and 5B show another example of the operation of (B). 5A and 5B, reference numeral 14 denotes a screen of the master unit 1, and 15 denotes a screen of the slave unit 5. For example, when a talk program of a celebrity is displayed on the screen of the main unit 1, when the user requests a profile of a person shown on the screen, the request is made to a part of the screen of the main unit 1. A “window” -like “sub-screen” 14 a indicating the profile is displayed. However, since the portion indicating the profile is mainly text information, there is a problem that it is difficult to read from the display screen of the main unit 1 located at a position separated by about 2 m or more. Therefore, based on the radio signal from the parent device 1, the character information of this profile can be displayed on the screen 15 of the child device 5 at hand of the user. As described above, in this embodiment, the master unit 1 and the slave unit 5 cooperate with each other, so that the screen of the master unit 1 and the screen of the slave unit 5 are interlocked with each other, and display contents and roles are mutually related. It will be displayed while sharing.

  Further, in this embodiment, as shown in FIG. 5C, a “window” -like “child screen” 15a is displayed, for example, at the lower right position of the child machine 5, and the parent screen is displayed on the “child screen”. The display content of the “parent screen” of the machine 1 may be displayed as it is. That is, in this case, the contents of the “parent screen” and the “child screen” of the parent device 1 are the contents of the “child screen” and the “parent screen” of the child device 5, respectively (that is, the parent device 1 and the child screen). The contents of the parent screen and the child screen are reversed from each other on the child device 5). In this case, a user who is looking at the handset 5 in the vicinity or nearby can conveniently grasp the contents of the profile and the contents of the main screen of the base unit 1 only by looking at the display contents of the handset 5. .

(C) Next, while watching a relay program such as a sports game or a celebrity talk, the user can change the operation mode of the slave unit 5 by using the remote control 9 as “a plurality of screens of the master unit 1”. A case will be described in which a mode in which a person designated by a user in a human image is displayed in a greatly enlarged manner on the handset 5 is described.
Now, as shown in FIG. 6 (a), it is assumed that images obtained by simultaneously capturing three persons 18a, 18b, and 18c are broadcast and transmitted on the screen 16 of the base unit 1. In this case, for example, not only the above-mentioned “videos of the three persons 18a, 18b, and 18c simultaneously imaged” by data broadcasting using a gap between TV radio waves, information distribution by the Internet “push technology”, and the like. At the same time, it is assumed that “three pieces of video data obtained by imaging three people up” are broadcast and transmitted to the user's receiving terminal (in this case, the master unit 1).

First, while viewing the screen 16 of the main unit 1 shown in FIG. 6A, the user says “Display icons (pictograms) for selecting a screen in which each person is imaged up on the main unit 1”. The command is transmitted to the base unit 1 by the remote controller 9. Then, as shown in FIG. 6B, pictograms 19a, 19b, and 19c are displayed on the images of the persons 18a, 18b, and 18c, respectively. Therefore, for example, when the user desires to display an up image of the person 18c on the child device 5, as shown in FIG. 6C, an icon 19c displayed on the person 18c is displayed. A cursor (arrow) 91 is used for selection and instruction. Then, as shown in FIG. 6 (d), the video data obtained by imaging the person 18c sent by the TV radio wave is sent to the slave unit 5 via the master unit 1, and the slave unit 5 On the screen 17, an up image of the person 18c is displayed.
In this case, as shown in FIG. 6D, the frame of the child screen 17a is displayed at the lower right corner of the screen 17 of the child device 5 (adopting the parent-child two-screen method), and this child screen 17a is displayed. In addition, the display content of the screen 16 of the base unit 1 may be displayed. In this way, the user can grasp not only the enlarged image of the selected specific person 18c but also the display content of the master unit 1 by simply looking at the screen 17 of the slave unit 1, which is convenient. .

(D) Next, while watching a relay program such as a talk of a celebrity or a sports game, the user changes the operation mode of the slave unit 5 with the remote controller 9 as “a certain object (in this case, a celebrity talk). And sports games) taken from multiple angles / locations (multi-camera / angle video), and images taken from other angles / locations other than the video displayed on the main unit 1 A case where the mode of “display on slave unit 5” is set will be described.
For example, when a sports game broadcast program (multi-camera / angle video program) is broadcast / transmitted from a TV station, for example, the TV station side “from the back of the back net, from the base 1 side, Images are taken from a plurality of (multi) camera angles such as “from the back screen side, from the base 3 side”, and the images of these multi camera angles are broadcasted and transmitted simultaneously to the viewer side. On the viewer side, it is possible to select and view videos freely from these videos. This is called "multi-camera angle broadcasting / transmission".

In the case of “multi-camera angle broadcasting / transmission”, usually, the video imaged at the camera angle selected by the broadcasting station, for example, “from the back side” is displayed on the screen of the base unit 1. . Now, it is assumed that the user has transmitted a command “I want to display on the slave device 5 the video imaged at another camera angle” to the master device 1 using the remote controller 9. Then, in one corner of the screen of the main unit 1, the camera angle other than the camera angle currently displayed on the main unit 1 “from the back of the back net” is “from the base 1 side, from the back screen side” Characters such as “from the 3rd base side” and an icon for selecting the same are displayed. Therefore, for example, when the user wants to display an image picked up with a camera angle of “from the 1st base” on the handset 5, the user clicks and selects the icon indicating “from the 1st base”. . Then, the image taken with the camera angle “from the back side” is displayed on the base unit 1, and at the same time, the image is taken with the camera angle “from the base 1 side” on the handset 5. Will be displayed.
At this time, both the master unit 1 and the slave unit 5 are set to the parent-child two-screen method, and the video “from the back-net side” is displayed on the master screen of the master unit 1, and “1” base side is displayed on the slave screen. At the same time, the video “from the base 1 side” may be displayed on the parent screen of the handset 5 and the video “from the back side” may be displayed on the child screen. That is, in this case, the display contents of the master unit 1 and the slave unit 5 are in a relationship in which the master screen and the slave screen are reversed from each other (similar to that shown in FIG. 6D).

(E) Next, while watching the relay program such as the celebrity talk, the user changes the operation mode of the slave unit 5 by using the remote controller 9, for example “pointing device in the screen of the master unit 1. A case will be described in which the mode of “displaying a part specified in the above in large size on the slave unit” is set.
Now, assume that a user is watching a celebrity talk program, and a video of a scene in which a plurality of celebrities (actors, etc.) are talking is displayed on the screen of the parent device 1. At that time, if the user designates only the face part of a celebrity who is a fan (favorite) with a pointing device such as a mouse, and clicks / selects, only the face part is enlarged and the child is selected. It is displayed on the display unit 5a of the machine 5. Therefore, the user can enlarge and display only the face of a favorite celebrity (actor) on the handset 5 at hand and see it nearby.

  FIG. 7 is a diagram showing an example of the operation (E). In FIG. 7A, 16 indicates a screen of the parent device 1, and 17 indicates a display screen of the child device 5. Now, assume that the user is displaying a program of a celebrity talk on the base unit 1. Therefore, three celebrities 18a, 18b, and 18c are shown on the screen of the base unit 1. Now, it is assumed that the user wants to enlarge only the face of the celebrity 18c who is personally a fan. In order to realize this, the user must first designate the “portion of the face of the celebrity 18c” (the “portion of the screen desired by the user”) with a pointing device such as a mouse. FIG. 7B to FIG. 7D show this operation. First, as shown in FIG. 7B, when the user gives a predetermined instruction with the remote controller, the reference point 92 for designating the “part of the screen” is displayed on the screen 16 of the master unit 1. The While the user indicates the reference point 92 with the cursor (arrow) 93, as shown in FIGS. 7C and 7D, for example, by dragging the cursor 93, the user wishes to display an enlarged screen. Specify "Partial". Then, the user instructs the parent device 1 to enlarge and display the designated “part of the screen” on the child device 5 by the remote controller 9. Then, as shown in FIG. 7 (e), this “part of the screen” (in this case, the face portion of the celebrity 18 c) is enlarged and displayed on the screen 17 of the handset 5.

That is, the instruction that the user wants to enlarge and display the designated “part of the screen” (the part surrounded by the square shape indicated by reference numeral 94 in FIG. 7D) with the handset 5 at hand. Is transmitted to the main unit 1 through the remote controller 9. Then, video data corresponding to this “part of the screen” is wirelessly transmitted from the parent device 1 to the child device 5 almost in real time. This is because the screen of the base unit 1 is of the “bitmap display method”, and image data of only “part of the screen” partitioned as shown in FIG. Wireless transmission to the machine 5 is possible. Based on this wireless signal, the face portion (portion designated by the user using the pointing device) 94 of the celebrity 18c is enlarged and displayed on the child device 5. Even if the face of the celebrity 18c moves on the screen of the main unit 1, it is automatically tracked (tracked) by a computer program (for example, “agent (electronic secretary) technology”). , The video of the face portion of the celebrity 18c is continuously transmitted wirelessly to the child device 5 from the parent device 1, and the face portion of the celebrity 18c (specified by the user) is continuously transmitted to the child device 5. (Part of the screen) is enlarged.
In this case, as shown in FIG. 7 (e), the screen 17 of the handset 5 displays the face portion of the celebrity 18a in a large size, and a “child screen” 17a in the lower right corner. The video image currently displayed on the master unit 1 may be displayed in real time as it is on the child screen 17a. This is convenient because the user can grasp not only the magnified image of the face of the celebrity 18c but also the contents of the screen of the master unit 1 in real time just by looking at the slave unit 5.

(F) Next, as a function provided in the present embodiment, when the main unit 1 is accessing a homepage with the Internet (particularly, live broadcasting of a concert or theater from the site (homepage) via the Internet). A case will be described in which, when a video / program is being continuously received, a “link” destination homepage related to the homepage is viewed on the handset 5.
FIG. 8 shows an example of this case. On the screen 51 of the display unit of the main unit 1, information on a home page provided by “OOTV” is displayed. Then, while displaying the information on the home page on the screen 51 of the display unit of the main unit 1, the user can view information on another home page linked to the home page (provided by “00 newspaper”), It can be displayed on the display screen 52 of the slave unit 5. Conversely, the user can also display the information of the home page before linking on the screen 52 of the slave unit 5 while displaying the information of the other linked home page on the screen 51 of the master unit 1. As described above, in the present embodiment, the base unit 1 and the handset 5 cooperate with each other, so that the screen of the base unit 1 and the screen of the handset 5 are displayed while being interlocked with each other. Yes.

In the present embodiment, as shown in FIG. 8, the child device 5 adopts a parent-child two-screen method, and the display screen 52 of the child device 5 displays the above-mentioned “main device 1. While the “home page information” linked to the home page is displayed as the “parent screen”, the “child screen” 52a in the lower right corner of the figure shows the same content as the content displayed on the base unit 1 (original home page information). Is displayed as it is. In this way, the user simply looks at the screen (parent screen and child screen) of the handset 1 or nearby handset 1, and the display contents of the handset's master screen and the content displayed on the handset 1 (= handset) This is convenient because it is possible to grasp the display contents of 5 sub-screens at the same time.
Here, a case has been described in which information on the homepage of the Internet is displayed on the base unit 1 while information on the homepage of the “link” destination is displayed on the handset 5, but other than that, for example, terrestrial While displaying TV images from TV radio waves and satellite TV radio waves on the main unit 1, related information sent by “data broadcasting” using the gaps of the TV radio waves may be displayed on the sub unit 5. .

(F) Next, as a function provided in the present embodiment, a plurality of TV program information transmitted from a digital satellite is received, and one program arbitrarily selected by the user is selected as a master unit. A case where the back program is displayed on the slave unit 5 while being displayed on the screen of 1 will be described.
Here, the “back program” is a program that is currently “received” by the user's television broadcast receiver (master 1) but is not currently “displayed” because the user has not selected it. That's it.
FIG. 9 is a diagram for explaining the operation of this function. 9A and 9B, a television program selected by the user is displayed on the screen 53 of the master unit 1. On the other hand, the back program is displayed on the handset 5. The contents of the back program of the slave unit 5 are displayed on the slave unit 5 when a reception signal from the receiving antenna 2 (see FIG. 2) is transmitted to the slave unit 5 via the master unit 1 (relayed). (In the present invention, the signal from the reception antenna 2 may be transmitted directly to the antenna provided in the slave unit 5 without being relayed by the master unit 1).

  The back program displayed on this handset 5 may be any one back program selected by the user or a plurality of back programs selected by the user. In the example shown in FIG. 9, a total of nine back programs selected by the user are respectively displayed on a total of nine divided screens a to i whose screen display sections are divided. Then, for example, when the program displayed on the main unit 1 is a CM (commercial), the user selects an arbitrary one of the programs displayed on the sub unit 5 and selects “This selected back This command is immediately displayed on the display screen of the main unit 1 by wirelessly transmitting a command such as “Display the program (for example, the back program displayed on the divided screen indicated by i in FIG. 9) on the main unit 1”. The program (the program displayed on the divided screen i in FIG. 9) is displayed. As a configuration for the above-mentioned user to wirelessly transmit a command such as “Display the selected back program (for example, the back program displayed on the divided screen indicated by i in FIG. 9) on the base unit 1”. For example, a “transparent touch panel” is provided on the screen display unit 54 of the slave unit 5, and the user presses (touches) the divided screen i in FIG. The back program displayed on i may be specified, and the channel of the specified back program may be transmitted to base unit 1.

  In this way, when the back program selected by the user (the back program displayed on the divided screen i in FIG. 9B) is displayed on the master unit 1, the parent program until then is displayed. The program displayed on the device 1 is newly displayed on the divided screen i in the display screen 54 of the child device 5 in place of the “back program displayed on the divided screen i in FIG. 9B”. Will come to be. Then, for example, when the CM of the newly displayed program on the divided screen i is completed, the user can read “This program (the program that has been replaced from the parent device 1 and is currently displayed on the divided screen i of the child device 5). The above program is displayed again on the master unit 1 by wirelessly transmitting to the master unit 1 a command to display the program on the master unit 1 again. In place of this, on the divided screen i of the screen 54 of the child device 5, the program that has been displayed on the parent device 1 until then is displayed again as the back program.

  Next, FIG. 9C shows another similar operation, and a program list 54 a is displayed on the screen 54 of the handset 5. Although only a part of the program list is shown in FIG. 9C, the user can display all the programs by scrolling the program list up and down on the display screen 54. . When the user finds a desired program, the user moves the cursor (not shown) to the part indicating the program and clicks it, or presses the corresponding part on the transparent touch panel provided on the screen with a fingertip. By designating the desired program. As a result, the designated channel of the desired program is transmitted to the parent device 1 and the program is displayed on the parent device 1.

(G) Next, as a function provided in the present embodiment, the video game data or program (sent continuously via the Internet) is sent from the master unit 1 of the present embodiment to the television broadcast. An example in the case of using for displaying images of video game data and programs) will be described.
In this case, the player (user) of the game displays the video game screen on the display unit 1a of the parent device 1 and plays the game description on the display unit 5a of the child device 5 (for example, the competitive game). The game development strategy can be considered by displaying texts and characters (images or figures) that are useful for making a strategy to clear the game well. When playing a competitive game together with multiple people, each player displays a game description on the handset, while displaying the game screen on one base unit.・ By displaying the “screen showing information related to the game (detailed information)” such as “Character data (profile) or game strategy guide, etc.”, each person thinks or likes the game development strategy. You can look up characters. That is, on the one hand, while the development of the game displayed on one parent device 1 is commonly seen by a plurality of people, on the other hand, each person individually looks at the related / detailed information displayed on the child device 1. You can think about game development and strategy.
Further, in this case, the child device 5 adopts a parent / child screen display function, and the “parent screen” of the child device 5 displays the “related / detailed information” on the “parent screen” of the child device 5. The display contents of the main unit 1 can be displayed as they are. This is convenient because the user can know both the “related / detailed information” and the display content of the parent device 1 by just looking at the display content of the child device 5.

(H) Next, when the main unit displays a karaoke program that is transmitted continuously via the Internet from the homepage (site) you are accessing or through satellite digital TV broadcasting, The operation of the embodiment will be described.
In this case, the display unit 1a of the master unit 1 displays a background image (such as an environmental image) of a karaoke song currently selected and sung by a certain user and the lyrics of the song. Moreover, the user who is singing can simultaneously sing while displaying the lyrics of the song on the display unit 5a of the handset 5 at hand and watching the lyrics near him / her. Therefore, in this embodiment, a plurality of people who are present can listen to the singing while looking at the screen of the main unit 1, and the singing person can use the lyrics displayed on the screen of the handset 1 at hand. You can sing while watching. Therefore, even if the user who is singing is a myopic person, do not look at the main unit 1 of a distant large TV (the characters displayed on the screen of the main unit 1 that is a few meters away are difficult to see for a myopic person. ) You can sing and see the lyrics on the display unit of the handset 5 near you. Therefore, there is no case where a myopic person cannot see the lyrics of karaoke well (it cannot be seen well because the screen on which the lyrics are displayed is far away) and cannot sing well as in the past. The display of lyrics by the slave unit 5 in this case is realized by transmitting lyrics data from the master unit 1 to the slave unit 5 wirelessly in real time.

Further, in this embodiment, the child device 5 is provided with a parent-child screen display function, and the “parent screen” of the child device 5 is displayed with a relatively large lyrics, while the “child screen” of the child device 5 has a parent. You may make it display the same karaoke background image (environment image | video etc.) as the display content of the apparatus 1. FIG. In this way, the user holding the handset 5 can view the lyrics of the karaoke and the background image of the karaoke at the same time just by looking at the screen of the handset 5 (the main screen and the sub screen). Can be useful.
In addition, when multiple users are using karaoke together, as described above, the lyrics of the currently playing song are displayed on the handset 5 held by one user who is currently singing. Although it is convenient to display, the slave unit 5 possessed by another user has a song selection screen for selecting another karaoke song, that is, a list of songs that can be selected (a song title and a list of singers). Screen), a screen for searching for a desired song from a title or a singer, a screen for selecting a desired song, an identification code of the selected song, and a signal for instructing to play that song next. Various screens such as an operation screen for transmission from the device 5 to the parent device 1 can be displayed. That is, here, the handset 5 can be used as a “remote control” for performing a karaoke music selection operation or the like.

  In this embodiment, a speaker for outputting the audio / sound of the program of the master unit 1 is provided not only in the master unit 1 but also in the slave unit 5 at hand of the user (reference numeral 8 in FIG. 2). See). Accordingly, there is a problem that a person who is hard of hearing cannot be heard unless the sound of the main unit 1 is increased. However, in this embodiment, the speaker 8 is at hand of the user, so that even a person who is far away can easily hear it. become. In the present invention, the handset 5 may be provided with an earphone jack or the like in addition to the speaker (or instead of the speaker).

  In this embodiment, as shown in FIG. 2, the remote controller 9 and the slave unit 5 are configured as separate hardware, but in the present invention, both are integrated as hardware. (Both the remote controller 9 and the slave unit 5 are placed at or near the user's hand, which is more convenient). Further, in this embodiment, as shown in FIG. 2, the slave unit 5 is shown supported by a base 6 for placing on the table 4. However, in the present invention, the slave unit is, for example, a notebook type It can be of various types, such as a thing and a notebook type. In the present invention, the slave unit may be a personal computer such as a notebook computer having a wireless transmission / reception function. The handset 1 is desirably portable, such as a notebook type, but is of a type that is used by being placed on the table 4 as shown in FIG. It may be of a type in which only the display portion is exposed on the upper surface of the table.

  Further, in this embodiment, it can be used not only at home or work but also in a movie theater, for example. When used in a movie theater, a conventional movie screen display device is the “master” of the present invention. The subtitle portion of the foreign film can be displayed on the portable handset at the user's hand or displayed on the handset provided in front of the user's seat. Also, it is possible to display movie related information such as the director of the movie and the profile of the actor in the movie on the slave unit. In addition, information on the location (region) of the scene that appears in the movie (tourist information, eating information), restaurant information such as restaurants that appear in the movie, retail store information such as department stores that appear in the movie, movies “Related information” such as information on the products that come out can also be displayed on the handset while watching a movie.

  In addition, in this embodiment, the slave unit is not only used in cooperation with the master unit, but is a single unit, e-mail, browsing of Internet homepage, TV broadcast program list display, word processor, spreadsheet, database It can be used for paperwork. In this embodiment, when there are a plurality of slave units 5, data exchange and data communication can be performed between the slave units. That is, it is possible to perform wireless transmission / reception of e-mails, wireless transmission / reception of television programs, and the like between the slave units.

Next, FIG. 10 is a diagram showing a second embodiment of the present invention. In this embodiment, an HMD (Head Mounted Display) is used as a slave unit. That is, the handset used in FIGS. 1 to 9 has almost the same form as the current TV remote control, notebook personal computer, personal digital assistant (PDA), etc., but in the other embodiments. The slave unit is composed of an HMD.
In FIG. 10, the display of the parent device 61 is placed at a position about 2 to 3 m away from the user 60, whereas the display of the child device 62 is supported by the head of the user 60 (in front of the face). Yes. In FIG. 10, the support means of the slave unit 62 (a conventionally known support means such as a band-shaped member wound around the head, a frame-shaped member of glasses, or a helmet-shaped member) is not shown. ing.

  In FIG. 10A, the screen of the master unit 1 and the screen of the slave unit 62 are shifted in the vertical direction in the figure so as not to overlap each other in the field of view of the user 60. Specifically, the slave unit 62 is positioned so that the screen of the slave unit 62 is below the visual field of the user 60 and the screen of the master unit 61 is in front of or slightly above the visual field of the user 60. In this case, the manner in which the screen of the master unit 61 and the screen of the slave unit 62 are linked and linked to each other and the role sharing between them are the same as those described with reference to FIGS.

  In FIG. 10B, the screen of the parent device 1 and the screen of the child device 64 are positioned so as to overlap each other in the field of view of the user 60. Specifically, the screen of the slave unit 64 and the screen of the master unit 63 are positioned so that both come to the front of the user's 60 field of view so that they appear to overlap in the user's 60 field of view. In the example of FIG. 10B, the screen of the slave unit 64 is a “see-through” type, that is, a “transmission type”. That is, the user 60 can also see the screen of the parent device 63 through the screen of the child device 64. Therefore, for example, the user can use subtitles (characters) translated from the conversation of the characters on the slave unit 64 while displaying the movie on the master unit 63. Further, the user 60 can display a game character on the screen of the slave unit 64 while displaying the background screen of the game or movie on the master unit 63. In other cases, the manner in which the screen of the base unit 63 and the screen of the handset 64 in this case cooperate with each other and share their roles are the same as those described with reference to FIGS.

  In the example of FIG. 10C, the handset 66 is movable between a position in front of the eyes of the user 60 and a position above it. Therefore, the user 60 brings the handset 66 to the position in front of the eye when he / she wants to use the handset 66, and moves the handset 66 above the eye (the head of the head) when not using the handset 66. Upward (position indicated by reference numeral 66 ′ in FIG. 10C) can be brought and held. In this case, the manner in which the screen of the master unit 65 and the screen of the slave unit 65 are linked and linked to each other and the sharing of roles are the same as those described with reference to FIGS.

A third embodiment of the present invention will be described with reference to FIG. In FIG. 11, 71 indicates a master unit. The master unit 71 includes a receiving unit 72 that receives an external signal (such as satellite TV radio waves), a CPU (central processing unit) 73 that receives and processes data received by the receiving unit 72, and data from the CPU 73. Based on the display unit 74, the external storage device 75 that exchanges data with the CPU 73 and records the data, and the transmission unit 76 that wirelessly transmits the data from the CPU 73. Yes.
In FIG. 11, reference numeral 77 denotes a slave unit that displays a predetermined screen based on a signal from the transmission unit 76. Reference numeral 78 denotes a remote controller (remote controller) that wirelessly transmits a user instruction to the CPU 73 of the master unit 71. The remote controller 78 may be formed integrally with the slave unit 77 in hardware, or may be formed separately.

Next, the operation of the third embodiment will be described. Also in the third embodiment, the same usage as described in the first or second embodiment is possible. In the third embodiment, the display screen of the parent device and the “screen related on the time axis” (screen having a parent-child relationship on the time axis) can be displayed on the child device 77.
First, when the receiving unit 72 receives a terrestrial wave or a satellite television wave carrying a signal (moving image information) indicating a certain video program, the CPU 73 displays this information on the display unit 74 of the master unit 71 in real time. At the same time, the same information is sent to an external storage device (such as a hard disk device) 75 and recorded in real time.
Then, when the command from the remote controller 78 is “display a screen at the same time as the screen of the parent device 71 on the child device 77”, the CPU 73 displays it on the display unit 74 of the parent device 71. And a signal a for displaying a screen at the same time on the time axis (in FIG. 11, “a” indicates a signal flow of “current data”) is transmitted to the slave unit 77.

Further, when the command from the remote controller 78 is “display a screen delayed by 5 seconds from the screen of the parent device 71 (a past screen for 5 seconds) on the child device 77”, the CPU 73 displays the parent device 71. The signal b for displaying a screen (moving image) delayed by 5 seconds on the time axis with the display unit 74 (b in FIG. 11 indicates the flow of a signal of “past data”). Is read from the external storage device 75 and the signal b is transmitted to the slave unit 77.
If the command from the remote controller 78 is “Rewind the screen of the master unit 71 for 5 seconds and play it back on the slave unit 77”, the CPU 73 is five seconds before the command is issued. A signal b (in FIG. 11, b indicates the flow of the “past data” signal) is read from the external storage device 75 from the current screen to the time when the command is issued. The signal b is transmitted to the slave unit 77. In addition, during the “playback” of the moving image, the CPU 73 says “Display a screen of“ one piece ”in the data constituting the played moving image as a still image on the slave unit 77”. When a command is issued from the remote controller 78, the “one piece” screen is displayed on the slave unit 77 as a still image.

Further, the CPU 73 issues a command “remotely displaying the scene (one piece) currently displayed on the display unit 74 of the master unit 71 as a still image on the display unit of the slave unit 77” from the remote controller 78. When the command is issued, the signal b indicating the screen displayed on the display unit 74 of the master unit 71 at the time when the command is issued is read from the external storage device 75 and the signal b is transmitted to the slave unit 77. Then, the still picture is displayed on the slave unit 77.
During the various operations described above, the base unit 1 displays a moving image program as usual, and during that time, information related to the slave unit on the time axis in real time or almost real time (past Video and still images at a certain point in the past) are displayed.

  Next, a fourth embodiment of the present invention will be described with reference to FIG. The differences between the fourth embodiment and the third embodiment are as follows. That is, in the third embodiment shown in FIG. 11, the receiving unit 72, the CPU 73, the external storage device 75, and the transmitting unit 76 are integrated with the display unit 74 in hardware. 71 "is integrated in hardware. On the other hand, in the fourth embodiment shown in FIG. 12, the components shown as the receiving unit 72, the CPU 73, the external storage device 75, and the transmitting unit 76 in FIG. They are separated in terms of hardware and made independent as a “home server (management computer) 81” and its “external storage device 82”.

That is, in FIG. 12, reference numeral 81 denotes a home server (management computer) that can perform the functions of the receiving unit 72, the CPU 73, the external storage device 75, and the transmitting unit 76 of FIG. This is an external storage device of the home server 81. Reference numeral 83 denotes a master unit for displaying a screen based on a signal from the home server 81 (transmission signal by wired transmission). Reference numeral 84 denotes a master unit 83 based on a radio signal from the home server 81. This is a slave unit for displaying a screen linked with the screen in real time or almost in real time. Reference numeral 85 denotes a remote controller configured to be integrated with or separate from the slave unit 84 and for wirelessly transmitting a command (request) from a user to the home server 81.
The home server 81 always reads out a signal (such as a moving image program) from an external TV radio wave or the like while storing (recording) it in the external storage device 82, and in real time or almost real time, the master device 83. Display on the screen. Further, the home server 81 wirelessly transmits a signal (such as a moving image program) from the external TV radio wave to the slave unit 84 in real time or almost in real time to display the screen, or The past image data stored (recorded) in the partial storage device 82 is read, and the past data is wirelessly transmitted to the slave unit 84 and displayed on the screen.

  According to the fourth embodiment, substantially the same effect as that of the third embodiment can be obtained. That is, when the user makes a predetermined request using the remote controller 85, the home server 81 causes the slave unit 84 to display various screens linked to the screen of the master unit 81. That is, the home server 81 controls the slave unit 84 to display various screens (contents related to the display contents of the master unit 83) as described in the first embodiment, the second embodiment, the third embodiment, and the like. Screen) can be displayed. For example, the home server 81 can enlarge only a part of the screen displayed on the parent device 83 and display it on the child device 84. Further, the home server 81 can rewind and reproduce the moving image displayed on the parent device 83 on the child device 84. Further, the home server 81 can display an image showing a scene at a certain point in time of the moving image displayed on the parent device 83 as a still image on the child device 84.

  The home server 81 of the fourth embodiment transmits “character part” data such as subtitles displayed on the parent device 83 to the child device 85, and the contents of the “child screen” displayed on the parent device 83. Transmitting information to the slave unit 84, transmitting information related to the contents displayed on the master unit 83 (related Internet homepage information, TV data broadcast information, etc.) to the slave unit 84, Sending “part of the screen” designated by the user in the image displayed on the parent device 83 to the child device 85, “enlarging a specific person in the images of a plurality of people displayed on the parent device 83 Functions such as transmitting “image” to the slave unit 85, or transmitting data of “video captured at another camera angle different from the image displayed on the master unit 83” to the slave unit 85. It also has.

  Note that, for example, when image data is wirelessly transmitted from the home server 81 or the parent device 83 to the child device 85 shown in FIG. It may be difficult to “completely link / link in real time” with the display contents of the slave unit 85, but “almost real-time link / link” is also possible with current technology. In addition, the following is described on page 155 (article “Connected Home”) of “Nikkei Electronics 1997/10/6” issued by Nikkei BP. “In 2005, wireless LAN using infrared will be able to transmit at 100 Mbit / s or more. However, infrared signals cannot be sent to the next room separated by a wall.”

It is a conceptual diagram which shows the concept of this invention. It is the schematic which shows Example 1 of this invention. 1 is a schematic block diagram illustrating a concept of a first embodiment. It is a figure for demonstrating operation | movement of the present Example 1. FIG. It is a figure for demonstrating operation | movement of the present Example 1. FIG. It is a figure for demonstrating operation | movement of the present Example 1. FIG. It is a figure for demonstrating operation | movement of the present Example 1. FIG. It is a figure for demonstrating operation | movement of the present Example 1. FIG. It is a figure for demonstrating operation | movement of the present Example 1. FIG. It is a figure for demonstrating Example 2 of this invention. It is a figure for demonstrating Example 3 of this invention. It is a figure for demonstrating Example 4 of this invention.

Explanation of symbols

1 Master unit (TV).
1a, 5a, 74 Display section.
2 Receiving antenna 3, 7, 10 Transceiver.
4 Table.
5 Slave unit (small display device).
6 Support stand.
8 Speaker.
9, 78, 85 Remote control.
11 DVD player.
20, 71, 83 Base unit.
20a, 21a, 22a, 23a Screen display part.
21, 22, 23, 77, 84 Slave unit.
31, 32, 33, 41, 42, 43, 51, 52, 53 Wireless transceiver.
73 CPU.
75, 82 External storage device.
81 Home server (management computer)

  The present invention relates to a multi-link display system suitable for viewing more detailed related information, video from other camera angles, etc. at or near the user's hand while viewing images on a large television set in the living room.

Recently, with the advancement of digital technology and information communication technology, there are increasing opportunities to view “screens in which images and characters are mixed (screens including images and characters)”.
For example, using a gap in the radio waves of a TV broadcast, receive a data broadcast (for example, “bitcast broadcast”) that multiplexes data related to the program contents and sends it to a personal computer, and sees the TV program and related information In this case, a “screen in which images and characters are mixed” is displayed, or “a“ window ”-like child screen is displayed in the parent screen” occurs. “Bitcast Broadcast” is a service developed by InfoCity in Shibuya-ku, Tokyo, Japan. Of the 525 scanning lines that make up the TV screen, 21 are not used, but 4 of them are used. Used to send information at 40 kilobits per second. It is characterized by the fact that TV programs and related information flow simultaneously in parallel, and it is possible to call detailed information related to programs in real time while watching TV on a personal computer. Japanese TV broadcasting company TBS will start this bitcast broadcasting in the Kanto area from July 1997 and will broadcast it in earnest from October 1997 (the above is the Japanese economy dated September 7, 1997). Newspaper evening article “Bitcast Broadcasting Receiving related data while watching TV” and Nikkei Sangyo Shimbun article “TBS and Virtual Communications Broadcasting / Net Fusion Game”.
In addition, TVs equipped with a “picture-in-picture (PIP)” function that displays a small screen on a large screen have been released by Mitsubishi Electric Corporation in Japan. In this case, for example, a powerful image may be displayed on a large screen, and detailed information related to the image may be displayed on a small screen. This is a type of “when a small screen (child screen) is displayed in the screen (parent screen)”. A patent infringement lawsuit has been filed between Ampex (California) of the US and Mitsubishi Electric for a television equipped with this PIP function (an article in the Nikkei Sangyo Shimbun dated September 3, 1997) “Electricity wins against US company on PIP-equipped TV”).
In addition, “Internet TV” that allows users to browse Internet homepages on TV has recently been put on the market. The main feature of this Internet home page is that it can be instantly switched to the linked home page. Most of the information on the homepage is "screen with mixed images and text".

  As described above, recently, “screens with mixed images and text” placed in the living room (living room), screens with small screens (child screens) displayed in the large screen (parent screen) (pictures)・ In-picture) ”, and more opportunities to view Internet homepages.

For this reason, the inventor of the present invention is inappropriate for the contents displayed in a large stationary display device placed in the living room and a small (particularly portable) display device used by an individual at hand. I thought there was. In other words, the large display device placed in the living room is suitable for displaying the contents of a conventional television program and the like suitable for all the family members to enjoy and watching at a distance of about 2 to 3 m. On the other hand, small (especially portable) display devices that are placed in the hands of individual users are suitable for displaying information that the user uses personally (not for the whole family). Therefore, the present inventor considered that a “multiple linkage display system” capable of exhibiting the characteristics of both would be required in the future.
Specifically, the functions of a conventional TV are divided into a “master unit” (a stationary large-sized TV set in the living room at a position 2 to 3 m away from the user) and a “slave unit” (on hand of the user). It is separated from the hardware, if possible, in a small portable television). Then, for example, a parent screen and a child screen of a television having a conventional PIP (picture-in-picture, parent-child two-screen display) function are assigned to the parent device and the child device, respectively. This is because, as long as the conventional PIP function TV screen is viewed, the screen displayed on the sub-screen has a TV shopping order screen, sports player data, and the like. Therefore, it is desirable to display such sub-screen data on the “slave device” at hand of the user.

  For example, a terrestrial data broadcasting service provided by the Japanese TBS (Tokyo Broadcasting) under the name “Data Parade” (using a technology called “bitcast” developed by Infocity, a Japanese venture company) It is possible to provide information linked to programs and commercials that are broadcast on TV. With this service, it is possible to display TV programs on a personal computer as well as related Internet homepage information. It is also possible to use a homepage that contains related detailed information such as more detailed product descriptions while the commercials for the product are flowing (Nikkei Multimedia magazine, published by Nikkei BP 1997 / (From the October issue, page 50 “Data broadcasting production start”). According to the present invention, for example, in this “data parade” service, when a CM of a product is flowing in the parent device, it is possible to display related detailed information of the CM product on the child device. Become.

First (0101)
As described above, according to the present invention, the master unit and the slave unit cooperate with each other, so that the master unit screen and the slave unit screen can be displayed while being linked to each other. That is, according to the present invention, (1) “part of the sub-screen in the screen in which the sub-screen is displayed in the main screen”, (2) “specified by the user in the screen displayed on the main unit "Part of the image of a specific person in the images of multiple people displayed on the base unit", or (3) "At a certain camera angle in the image captured by the multi-camera angle" When the captured video is displayed on the main unit, the video captured at a camera angle different from that video is displayed on the user's hand or nearby small display device (enlarged display). (1) “Part of the sub-screen in the sub-screen where the sub-screen is displayed in the main screen”, (2) “To the base unit” The part specified by the user on the displayed screen "," the specific person in the video of multiple people displayed on the parent machine Image ”or (3)“ When an image captured at a certain camera angle among images captured at a multi-camera angle is displayed on the master unit, a camera angle different from that image is displayed. It is possible to clearly and clearly see “the image picked up by”. In other words, a conventional television or the like is placed in the living room at a position relatively distant from the user (a position that is 1 to 3 meters away, an average position that is about 2 meters away), and is therefore displayed on the television. It was not easy to see a part of the screen and part of the image clearly, especially for people with myopia. However, according to the present invention, even a person with myopia can see a part of the screen clearly and clearly.
Second (0102)
Further, in the present invention, the slave unit is provided with a master-slave screen display function (parent-child two-screen method), and the screen display unit of the slave unit displays “the contents displayed on the master unit as described in (1) to (3) above”. If the same image as that of the master unit is displayed on the “slave screen” of the slave unit while displaying the “related / related content” as the “parent screen”, the user can select It is very convenient because it is possible to grasp the display contents of the master unit simply by looking at the device.
Third (0103)
Further, according to the present invention, in a television receiver or a personal computer having a conventional picture-in-picture function (PIP function; parent-child two-screen display function), the child screen appears as a “window” in the parent screen. However, this small screen is displayed large on the handset at the user's hand so that the user can easily see it (the small screen displayed on the stationary TV by the conventional PIP function is The type TV is installed about 2 to 3 meters away from the user and the size of the sub-screen is small, so there is a problem that it is difficult for the user (especially myopic) to see clearly) .
In the present invention, since the “child screen” can be displayed on the slave unit, the “slave screen” may or may not be displayed on the master unit. Therefore, according to the present invention, it is not necessary to display the “child screen” on the parent device (there is no need to display the “child screen” like “window” on the parent device). An extra “window (sub-screen)” is eliminated on the screen, so that the screen of the main unit can be easily viewed by the user and can be easily viewed by the user. That is, when displaying a sub-screen like a “window” in the main screen displayed on the display unit of one TV by the conventional PIP function, the presence of the “window” causes the user to concentrate the main screen. However, the present invention can solve such a problem.
Fourth (0104)
Further, according to the present invention, information distributed from the Internet (“Internet broadcasting”) is displayed on the main unit 1 and viewed by the entire family, and information on other homepages (link destinations) related to the information is displayed. Can be viewed by each member of the family by displaying them on the handset. Therefore, it is possible to view information on a plurality of related home pages from multiple sides while a family and an individual are in one living room. In addition, according to the present invention, it is possible to display related information transmitted by “data broadcasting” on the slave unit while displaying a television program from the ground wave or satellite on the master unit.
5th (0105)
Further, according to the present invention, based on a user's request, a moving image from a certain point in time is rewound and played back on the child device in association with the moving image displayed on the parent device, or displayed on the parent device. It is possible to display only an image showing a scene at a certain point in time as a still image on the slave unit.
6th (0106)
In addition, in the present invention, if a speaker is provided in the handset at the user's hand separately from the stationary television about 2 to 3 m away from the user, even a person who is far away can be provided from the television. The sound of the program can be heard easily and clearly.
Further, in the present invention, the recording device is incorporated in the slave unit and displayed on the slave unit, for example, the above-mentioned “part of the slave screen in the screen where the slave screen is displayed in the master screen” or “ If you record an image (still image) of a moving image displayed on the master unit in a recording device built in the slave unit, you can create an image / character database ("User" Will be able to create your own program.
7th (0107)
Japanese Patent Publication No. 6-61390 “Parent-Child Electronic Game Device” (Applicant: Casio Computer) discloses the following device. “A large electronic game device and a small electronic game device are connected to execute a game of the small device on the large game device. Therefore, the child electronic game device is set in the parent electronic game device. The game can be enjoyed on a large screen with a large key and easy to see, and the game can be played on a child electronic game device, and the execution process can be displayed on the display surface of the parent electronic game device by transfer, Conversely, a game can be played on the parent electronic game device, and the execution process can be transferred and displayed on the display surface of the child electronic game device, and a plurality of child electronic game devices can be connected to a number of parent electronic game devices. In addition, as shown in FIG. 14 and FIG. 15 (fourth embodiment) of this gazette, two games with a parent electronic game device are possible. When playing a battle game with a child electronic game device connected, the player does not display the mine position set by himself / herself on the display device of the parent electronic game device and the display device of the child electronic game device of the opponent. It is displayed on the electronic game device for children. That is, it is possible to display only the position of the landmine set by the user that he / she does not want to show to his / her opponent only on his / her child electronic game device.
As described above, according to the above publication, when a battle game is played by connecting a parent electronic game device and two child electronic game devices, the position of the mine set by the player is the same as the display device of the parent electronic game device. Although it is not displayed on the display device of the opponent's child electronic game device, it is displayed on the child's electronic game device. That is, it is possible to display only the position of the landmine set by the user that he / she does not want to show to his / her opponent only on his / her child electronic game device.
As described above, in the above publication, “a technology that makes the display content of the child electronic game device slightly different from the parent electronic game device (the position of the land mine that you do not want to show to your opponent is displayed It is disclosed that only the device can display it).
However, the above publication is based on the premise of an electronic game device, and the display content of the child electronic game device is basically the same as the display content of the parent electronic game device. Exceptionally, it is recognized that the mine position set by the user that is not desired to be shown to the opponent can be displayed only on the child electronic game device.
This is described in the 8th to 16th lines of the right column (column 9) on page 6 of the above-mentioned gazette, "If the shell fired by your tank hits the opponent's tank, the main CPU 14 determines that, The CRT display device 3 and each of the child electronic game devices 6 and 6 are given and displayed with the opponent tank destruction data and their own scoring data. . That is, this description clearly shows that “the own score data added to the opponent tank destruction data” and the like are displayed in common on the parent electronic game device and the child electronic game device.
In other words, in the above publication, the display content of the parent electronic game device and the display content of the child electronic game device are basically always the same and common. The presence / absence of “the landmine position set by the user” may be slightly different between the display of the parent electronic game device and the display of the child electronic game device.
On the other hand, the present invention is premised on a “television” having a characteristic of “streaming a program based on information transmitted by television broadcasting (including via the Internet)” such as television radio waves. Information related to the display content of the “master unit” that is “TV” (related information that is fundamentally different from the display content of the master unit) is displayed on the “child screen” in the “parent screen” of the master unit ( Instead of the conventional parent-child two-screen system), the starting point (technical idea) is to display on the screen display unit of the “child device”.
As described above, in the device shown in the above publication, what is displayed on the “parent” electronic game device is a game screen (game screen that is read and displayed from a CD-ROM or ROM cassette). It is not a “program continuously played based on information sent by television broadcasting” like the “master” of the present invention.
Further, in the above publication, what is displayed on the child electronic game device is not only “same game scene and score data”, which is basically the same as the parent electronic game device and has the same contents as the present invention. It is basically different from the display contents of the main unit (if the image and text are different, the same image even if the target is different, the same target even if the camera angle is completely different), but the main unit It is not “information linked to or linked to the display content”.
In these respects, the above-mentioned publication and the present invention are completely different in their objects (television and game device), and their operational effects and technical ideas are also completely different.

Next, the operation of this embodiment will be described with reference to FIG.
(A) First, when image information and character information are mixedly mounted on the parent device 1, a case where character information is mainly displayed on the child device 5 at hand of the user will be described.
A case where the user wants to watch a certain program (in the following example, this program is assumed to be a live broadcast program of a sports game) is taken as an example. Note that the parent device 1 of the present embodiment is a parent-child two-screen television (having a picture-in-picture function). In this case, the user operates the remote controller 9 at hand to select a favorite program, wirelessly transmits a control signal to the master unit 1 from the transmission / reception unit 10 provided in the remote control 9, and receives the reception antenna. Select the channel with your favorite program from, and display it. In addition, the user operates the remote controller 9 to set the operation mode of the slave unit 5 to a mode corresponding to the request “largely display mainly the character information in the screen of the master unit 1”. Suppose.
Now, when the user instructs to output a profile of a favorite player while watching a sports game, the screen of the sports game is doubled (folded) in the large screen of the main unit 1, The player's profile screen is displayed. The display of the profile is greatly displayed on the display unit 5a of the slave unit 5 at or near the user (by the mode setting of the slave unit 5) at the same time as the master unit 1 is displayed. Is displayed. For the user, the display of the profile is difficult to see from the distance of about 2 to 3 m by the display of the base unit 1 alone (especially for a myopic person). Because it is at hand, you can easily view the profile as if you were looking at a magazine or newspaper.

The player profile data to be displayed on the child device 5 can be displayed on the child device 5 by a method of wireless transmission from the parent device 1 to the child device 5, but other methods are also possible. . As another method, for example, the signal received by the receiving antenna 2 is directly transmitted to the parent device 1 and the child device 5 respectively, and the child device 5 receives the profile in the signal received by the receiving antenna 2. Alternatively, only a signal indicating “” may be selected and displayed in a large size. That is, in the above-described bitcast broadcasting or the like, character data or the like is multiplexed and transmitted in the gap of the TV wave, but only the multiplexed character data is displayed in a large size on the handset 5. Thus, only the player's profile can be displayed on the handset 5.
As described above, in the present embodiment, the base unit 1 and the handset 5 cooperate with each other, so that the screen of the base unit 1 and the screen of the handset 5 are interlocked with each other, and display contents and roles are mutually related. It is designed to be displayed while sharing.

  Further, in the present embodiment, the player's profile is displayed relatively large on the slave unit 5, and the sport game displayed on the master unit 1 is displayed on the background portion of the profile of the slave unit 5. Also good. That is, when a sports game program is displayed on the master unit 1, the player profile is displayed in a small corner on the display unit of the master unit 1 and is difficult for the user to see. Therefore, in the present embodiment, the above-mentioned profile can be displayed largely on the handset 5, and further, the sports game program (contents displayed on the base unit 1) can be displayed on the background.

(B) Next, while watching the sports game relay program, the user changes the operation mode of the slave unit 5 with the remote controller 9 as “sub-screen (picture screen in the master screen of the master unit 1). A case will be described in which the mode of “display a large image (by the in-picture function)” is set.
Now, when a user instructs to output a profile of a favorite player while watching a sporting game, a sub-screen is displayed in the main screen of the main unit 1 like a “window”, and the sub-screen is displayed. The player's profile is displayed. At this time, the contents of the child screen (profile display) are simultaneously displayed on the display unit 5a of the child device 5 at or near the user. For the user, the display of the child screen is difficult to see from the distance of about 2 to 3 m by the display of the parent device 1 alone (particularly for a person with myopia), but the child device 5 is used by the user. As you can see magazines and newspapers, you can see only the sub-screen clearly. The contents of the child screen displayed on the child device 5 are typically character information, but may be graphic information / video information.

  FIGS. 5A and 5B show another example of the operation of (B). 5A and 5B, reference numeral 14 denotes a screen of the master unit 1, and 15 denotes a screen of the slave unit 5. For example, when a talk program of a celebrity is displayed on the screen of the main unit 1, when the user requests a profile of a person shown on the screen, the request is made to a part of the screen of the main unit 1. A “window” -like “sub-screen” 14 a indicating the profile is displayed. However, there is a problem that the portion showing the profile is difficult to see from the display screen of the main unit 1 located at a position separated by about 2 m or more. Therefore, this profile can be displayed on the screen 15 of the handset 5 at hand of the user based on the radio signal from the base unit 1. As described above, in the present embodiment, the base unit 1 and the handset 5 cooperate with each other, so that the screen of the base unit 1 and the screen of the handset 5 are interlocked with each other, and display contents and roles are mutually related. It will be displayed while sharing.

Note that the home server 81 of the fourth embodiment transmits the contents of the “child screen” displayed on the parent device 83 to the child device 84, and the contents displayed on the parent device 83 and “related information” (related (Information on the Internet homepage to be transmitted, information on the data broadcasting of the television, etc.) to the slave unit 84, and “part of the screen” designated by the user in the image displayed on the master unit 83 is the slave unit 85. To the mobile device 85, or to send an "enlarged image of a specific person" among the images of a plurality of people displayed on the parent device 83 to the child device 85, or to be different from the image displayed on the parent device 83. It also has a function of transmitting data of “video captured at another camera angle” to the slave unit 85.

The present invention relates to information related to the contents of a screen displayed on a large display system placed at a distance of 2 to 3 m from a user (information related to the time axis (for example, It is an object of the present invention to provide a multiple linkage display system that can make it possible to see a repeat reproduction image or the like) at or near the user's hand.
The present invention also provides information related to the contents of a screen displayed on a large display system placed at a distance of 2 to 3 m from the user (such as an image that displays an enlarged part of the screen). It is an object of the present invention to provide a multi-linkage display system that can be viewed at or near the user's hand. In addition, the present invention provides information related to the contents of a screen displayed on a large display system that is set a few meters away from the user (such as an image that displays a specific person on the screen in an enlarged manner). An object of the present invention is to provide a multiple linkage display system that can be viewed at or near the user's hand.
In addition, the present invention provides information (more detailed information, other related information, etc.) related to the contents of the screen displayed on a large display system placed at a location 2 to 3 m away from the user. An object of the present invention is to provide a multiple linkage display system that can be viewed at hand or in the vicinity.
In addition, the present invention provides information related to the contents of a screen displayed on a large display system placed at a location 2 to 3 m away from the user (such as images shown at other camera angles) at or near the user. An object of the present invention is to provide a multi-linkage display system that can be viewed on the Internet.
In addition, the present invention provides information related to the contents of a screen displayed on a large display system placed at a location 2 to 3 m away from the user (more detailed information, other related information, and a part of the screen. Video that is displayed in an enlarged manner, video that displays a specific person on the screen in an enlarged manner, video that is displayed at other camera angles, and related information on the time axis (for example, still images and repeat playback at a point just before the current time) An object of the present invention is to provide a multi-link display system that can allow a user to see a user's hand or the vicinity thereof.
In addition, the present invention provides a method in which a “certain image” or “an image of a plurality of persons or a plurality of characters” is displayed or displayed on a stationary large display device located relatively far from the user. To the small display device at hand or in the vicinity of "the content displayed on the stationary large display device or related to the image being displayed, a part of it or a specific person or specification within it" An object of the present invention is to provide a partially related type multi-linkage display system capable of displaying an “image centered on the character”.
In addition, the present invention provides a method for displaying the “stationary display” near the user's hand when the “certain image” is displayed or displayed on the stationary large display device located relatively far from the user. An object of the present invention is to provide a Web-related type multi-linkage display system capable of displaying a “Web page having contents related to the image displayed on or displayed on a large display device”.

Claims (1)

Displays images or text based on information taken from outside, such as information taken from an external communication network or information taken from an external recording device. A large and stationary master unit having a relatively large screen display unit,
A small handset that is used at or near the user and has a relatively small screen display for displaying characters or images, and
Coordinating means for displaying the contents linked or linked with the display contents by the master unit in real time or almost in real time on the screen display unit of the slave unit,
A multi-linkage display system characterized by including:

Images