JP2946081B2 - Television equipment - Google Patents

Description

Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an input television signal input from an antenna of a color television receiver and other video equipment (for example, a video tape recorder, a video disk player, The present invention relates to a television device that simultaneously displays signals from a television camera, a personal computer, and the like on one screen. 2. Description of the Related Art In recent years, there has been a remarkable spread of video equipment. A television receiver which is connected to a television receiver and which simultaneously displays an input television signal input from an antenna and a single screen is provided. It has been regarded as important. Means for simultaneously projecting two different images on one television receiver have been tried for some time, for example, displaying a signal from another video device on a large part of the screen and selecting a channel on a part of the display screen. It is possible to display a television signal input from the antenna input of the receiver. FIG. 2 shows an example of such a conventional two-screen display, in which 1 is a television receiver main body, 2 is a main screen, and 3 is a sub-screen. Has become. [0004] The circuit configuration of a conventional television apparatus as described above is as shown in FIG. 3 for example. In FIG. 3, a signal input from an antenna 11 is transmitted to a tuner 12 by, for example, a command from a channel selection switching command circuit 14 comprising a remote control transmitter.
The channel is selected via the channel selection circuit 13 and the video intermediate frequency circuit 1 is selected.
5 and is demodulated into a video / audio signal.
The switching circuit 16 connected to the
An audio signal and a video / audio signal from another video device 17 are simultaneously added. This switching circuit 16
For example, in response to a command from a switching command circuit 18 composed of a remote control transmitter, one of the video / audio signals is used as a first signal in parallel with a color / video signal processing circuit 19, a synchronization circuit 20, and an audio circuit 21. The second video / audio signal is supplied as a second signal to the color / video signal processing circuit 22, the synchronizing circuit 23, and the audio circuit 24 forming a second signal processing circuit group in parallel. Thus, the first signal becomes the main screen 2 in FIG. On the other hand, the second signal passing through the second color / video signal processing circuit 22 is digitized by the A / D conversion circuit 25 and
Is written to. This writing is performed in accordance with a write command issued from the memory controller 27 with a clock corresponding to the phase of the synchronization circuit 23. The written data is read out with a clock corresponding to the phase of the synchronization circuit 20 of the main screen. The sub-screen frame color switching circuit 28 controlled by the instruction of the switching command circuit 18 controls the sub-screen frame circuit 29 to create a colored frame indicating the switching state on the edge of the sub-screen 3 in FIG. The digitalized second video signal is stored in this frame by the D / A conversion circuit 3.
0 converts this framed signal into an analog signal. The analog signal is formed into a matrix by a two-screen creation circuit 31 together with the video signal passed through the color / video signal processing circuit 19, and is displayed on the cathode ray tube 32 as a two-screen as shown in FIG. Reference numeral 33 denotes a set of the sub-screen creation circuit portions 22 to 30 described above, and reference numeral 38 denotes a speaker. In the above configuration, in order to sequentially select the antenna reception signal, the transmission signal of the sequential tuning start command circuit 34 composed of, for example, a remote control device is connected to the sequential tuning means 35 to control the tuning circuit 13. In this way, the television signal of the antenna input is sequentially selected and projected on the small screen, and a signal of a sequential selection stop command circuit, for example, constituted by a remote control is sequentially transmitted to the channel selection circuit 13 through the channel selection stop means 37. To stop the channel selection. However, in the above-described sequential channel selection structure, a signal from another video device is displayed on the main screen, and an antenna input signal selected on the sub-screen is used. Is displayed, a video of another channel of the television signal input through the antenna is selected, and when it is desired to display it on the main screen, the channel selection start instruction circuit 3 is sequentially selected.
In 4, channel selection is performed sequentially, and when a desired channel is displayed, the channel selection stop command circuit 36 stops the channel selection sequentially, and further switches the channel to the main screen. And it takes time to replace the parent and child. According to the present invention, there is provided an apparatus configured to simultaneously project a child screen on a part of a parent screen and to exchange a video of the parent screen with a video of the child screen as described above. A television that can easily see all the channels of a television signal input from an antenna on a child screen while viewing other video equipment on the main screen, and replace the selected desired channel with the main screen in one operation. An apparatus is provided. [0009] In order to solve the above problems, the television apparatus of the present invention comprises a main screen and a sub screen.
Means for projecting on the display screen, and
A first signal comprising a video signal to be displayed on one of the
Multiple signals to be displayed on the other of the signals and the two screens
The second consisting of one video signal selected from the channel
Signal exchange for exchanging the signal of
Means for automatically selecting channels from the plurality of channels.
A sequential tuning means for performing a next feed operation, and an order of the sequential tuning means
Having a sequential channel selection stopping means for stopping the next transmission channel selection;
While the sequential channel selection means is operating, the signal exchange means
The sequential tuning stop means operates in response to the operation of the stage.
The configuration is such that: According to the present invention, all the television signals from the antenna input can be easily viewed on the child screen while watching the signals of other video equipments on the main screen by the above-mentioned structure. If found, it can be replaced with the parent screen in one operation. An embodiment of the present invention will be described below with reference to the accompanying drawings. FIG. 1 shows a configuration example of the present invention, and the same blocks as those in FIG. 3 are denoted by the same reference numerals. In FIG.
Is connected to a sequential tuning means 35 for receiving an instruction of a sequential tuning start command circuit 34 composed of, for example, a remote control device. The television signals are sequentially selected by the antenna input. Further, a signal of a sequential tuning stop command circuit 36 composed of, for example, a remote control device is connected to the tuning circuit 13 via a sequential tuning stop means 37 so as to stop the above-described tuning. . In the present invention, when the switching instruction circuit 18 is operated after the channel selection is sequentially started by a signal from the channel selection start instruction circuit 34, the switching between the parent screen and the child screen is performed by the signal from the circuit 18. At the same time, the television signal of the antenna input is projected on the main screen, and at the same time, the signal is sequentially sent to the channel selection stopping means 37 to stop the channel selection sequentially. Reference numeral 39 denotes a line for sending such a stop command signal from the switching command circuit 18 to the channel selection stopping means 37 sequentially. As described above, the present invention is configured so that a video signal from another video device is input, and either one of the video signal and a signal input from the antenna input of the receiver is received. Means for displaying on the majority of the screen and simultaneously projecting the other on a part of the display screen, means for exchanging the two signals, and signal input from the antenna input of the receiver simultaneously projected on a part of the display screen. A means for automatically sequentially selecting a channel and a means for stopping the channel selection in the middle of the sequential transmission are provided. When the signal switching means is operated in the middle of the sequential channel selection, the two signals are transmitted. At the same time as switching, in order to stop the channel selection in sequence, a means for activating the channel selection stop means has been provided so that while viewing the signal of another video device on the main screen, the antenna input of the Television signals can be automatically selected and viewed sequentially, and the desired channel can be replaced with the parent screen in one operation.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a configuration diagram of a television device according to an embodiment of the present invention. FIG. 2 is a perspective view showing an example of image display of a conventional two-screen television receiver. FIG. 3 is a configuration diagram of a conventional television device. [Description of Signs] 1 television apparatus 2 main screen 3 sub screen 4 sub screen frame 11 antenna 32 cathode ray tube

Claims (1)

(57) [Claims] Means for projecting the parent screen and the child screen on a display screen; a first signal consisting of a video signal to be displayed on one of the parent screen and the child screen; Ku of the one that has been tuned from a plurality of channels
Signal replacement means for replacing a second signal consisting of video signal to the two screen, the plurality of channels
A sequential channel selecting means for automatically transmitting the selected channels sequentially, and
And a sequential channel selection <br/> stopping means stops the sequential feeding tuning of the sequential channel selection means, in response to said signal replacement means operates during said sequential tuning means is operating Order
A television device having a structure in which a next channel selection stopping means operates.