JPS6259476A - Television set - Google Patents

Abstract

PURPOSE:To efficiently change over a picture by viewing all channels of TV signals inputted from an antenna on a subordinate picture while seeing other videos on a master screen and exchanging the selected channel with the master picture by one operation. CONSTITUTION:To a station selecting circuit 13, a successive station selecting device 35 for receiving an instruction of a successive station selecting start instruction circuit 34 and consisting of for instance, a remote control device is connected. The station selecting circuit 13 controlled thereby selects successively TV signals inputted from an antenna and projected on a subordinate picture. To this circuit 13, signals of a successive station selecting stop instruction circuit 36 consisting of, for instance, the remote control device are connected through a successive station selecting stop device 37 to stop the station selection. Herein, after the station selection is started by the signals of the circuit 34, a master picture is exchanged with a subordinate picture by a signal of a circuit 18, and the TV signal inputted from the antenna is projected on the master picture, the signal is fed to the device 37 to stop the station selection.

Description

DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application The present invention relates to input television signals coming from the antenna of a color television receiver and other video equipment such as video tape recorders, video disk players, television cameras, personal computers, etc. ) signals from 1 at the same time
This invention relates to a television device that displays images on one screen.

BACKGROUND OF THE INVENTION In recent years, the popularity of video equipment has been remarkable, and television receivers that are connected to a television receiver and can simultaneously display an input television signal input from an antenna on one screen have become important. A method of displaying two different images at the same time on one television receiver has been attempted for some time. It is possible to display the television signal coming from the antenna input of the receiver.

Figure 2 shows an example of such a conventional two-sided display, where (1) shows the main screen of the television receiver, (2) shows the main screen, and (
3) is a sub-screen, and is displayed together with the cotton trap 9(4).

The circuit configuration of the conventional television device as described above is
For example, as shown in FIG.

In FIG. 3, a signal input from an antenna (111) is tuned to a tuner (121) via a tuning circuit (131) in response to a command from a tuning switching command circuit diagram consisting of, for example, a remote control transmitter. Frequency circuit (
The demodulated video/audio signal and the video/audio signal from other video equipment 0η are simultaneously transmitted to the switching circuit q connected to this circuit 09. It can be added. This switching circuit α mark is activated by a command from a switching command circuit f181 consisting of, for example, a remote control transmitter.
The audio signal is supplied in parallel to the color, video signal processing circuit G, synchronous circuit ICN, and audio circuit (211) as the first signal, and the second signal processing is performed as the signal of the other video/audio signal 2. The signal is supplied in parallel to the color/video signal processing circuit forming the circuit group, the synchronizing circuit (2), and the audio circuit (241).Thereby, the first signal becomes the main screen (2) in FIG. 2.

-The second signal passed through the second color/video signal processing circuit is digitized by the A/D conversion circuit 4 and written into the memory circuit fN5. This writing is performed in accordance with a write command issued from the memory controller So with a clock that is in phase with the phase of the synchronous circuit. The written data is read out with a clock corresponding to the phase of the synchronization circuit of the main screen. The double-sided frame color switching circuit controlled by the switching command circuit (181) controls the child screen frame circuit to change the child screen (3) shown in FIG.
) is created with a colored frame indicating the switching state, the digitized second video signal is placed within this frame, and the D/
The A conversion circuit converts this framed signal into an analog signal. This analog signal is converted into a matrix by the two-screen creation circuit (311) together with the video signal that has passed through the color/video signal processing circuit 0!1, and is displayed as two screens as shown in Figure 2 on the negative ray tube C321. Note that (331 is a set of ~ fields in the child screen creation circuit portion explained above, and weak is a speaker.

In the above configuration, in order to sequentially select the antenna reception number Z, for example, the transmission signal of the sequential tuning start command circuit (131) consisting of a remote control device is connected to the sequential tuning circuit (131). The antenna input television signal t-1@Next channel selection is displayed on the sub screen, and the signal from the sequential channel selection start command circuit consisting of, for example, a remote control is sequentially activated by the channel selection stop means. Tuning can be stopped by connecting to the tuning circuit αJ via the channel selection circuit αJ.

Problems to be Solved by the Invention However, in the sequential channel selection configuration described above, the main screen displays signals from other video devices, and the sub-screen displays the signal of the selected antenna input. Time 2.
;If you want to select the video of another channel of the television signal input from the antenna and display it on the main screen, select the channels sequentially using the sequential channel selection start command circuit diagram, and when the desired channel is displayed. , Sequential channel selection stop command circuit (2) sequentially stops channel selection and moves the channel to the main screen, so there is a problem in that it takes time and effort to switch the parent and child in the switching command circuit (181).

The present invention provides an apparatus configured to simultaneously display a child screen on a part of the main screen and to replace images of the main screen and the child screen, as described above. While watching other video equipment, you can easily view all channels of the antenna-input television signal on the 4i-Tago screen, and replace the selected desired channel with the main screen in one operation. The purpose of this invention is to provide a television device that can.

Elaborate Means for Solving the Problems In order to solve the above problems, the television device of the present invention simultaneously displays a child screen on a part of the main screen,
In a device that is configured so that images on the main screen and images on the sub-screen can be exchanged, if the main screen displays images from other video equipment and the sub-screen displays images from an antenna input,
A configuration in which the signals input from the antenna input are automatically sent and selected in sequence, stopping the sequential transmission 9 during the sequential selection, and switching to the main screen and stopping the sequential transmission 9 selection at the same time. It is prepared.

With the above-described configuration, the present invention allows you to easily watch all television signals from the antenna input on the sub screen while watching signals from other video equipment on the main screen, and when a desired channel is found, -It is something that can be replaced with the main screen by operation.

Embodiment Hereinafter, a television apparatus according to an embodiment of the present invention will be described with reference to the drawings. FIG. 1 shows an example of the configuration of the present invention, and the same blocks as in FIG. 3 are given the same numbers.

In FIG. 1, the channel selection circuit (131 includes a sequential channel selection start command circuit (integration) consisting of, for example, a remote control device).
The channel selection circuit 03 connected to and controlled by the sequential channel selection means C351 configured to receive the commands sequentially selects the television signals input from the antenna that are being displayed on the sub-screen. be.

The channel selection circuit σJ is further connected with a signal from a sequential channel selection stop command circuit (■) consisting of, for example, a remote control device, via a sequential channel selection stop means □□□, so as to stop the above-mentioned channel selection. ing.

In the present invention, when the switching command circuit 081 is operated after the sequential tuning is started by the signal from the sequential tuning start command circuit (2), the switching command circuit 081 switches between the main screen and the sub screen according to the signal from this circuit ball. The screen is replaced and the entire television signal input from the antenna is displayed on the main screen, and at the same time a signal is sequentially sent to the channel selection stop means port to sequentially stop channel selection.

The east line is a line for sending such a stop command signal from the switching command circuit aε to the channel selection stop means.

Any of the effects of the invention - means for simultaneously displaying one signal on a large part of the display screen and the other on a part of the display screen; and means for exchanging the two signals, and a means for simultaneously displaying one signal on a part of the display screen. Means for automatically selecting a channel to be transmitted sequentially from the antenna input of the receiver, and means for stopping the channel selection in the middle of sequentially transmitting 9 stations are provided, and the signal switching means is provided with
When this is operated during channel selection, the above two signals are replaced and at the same time, in order to sequentially stop the channel selection, the system is equipped with a means for activating the channel selection stop means, so that other images are displayed on the main screen. While viewing the device's signal, you can automatically select and watch antenna-input television signals on the sub-screen in sequence, and with one action, you can swap the channel you want to watch on the main screen.

[Brief explanation of the drawing]

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, and FIG. 3 is a diagram of a conventional television device. FIG. (1) - 1111 television device (2) ---- 1 parent screen < 3) ---- 1 child screen f4) ---- 1 child screen frame [111 ------- Antenna C321 −−−−Iyinpang ray tube

Claims (1)

[Claims] It is configured so that a video signal from another video device is input, and either the video signal or the signal input from the antenna input of the receiver is displayed on the majority of the screen, and the other is displayed on a part of the display screen. means for simultaneously displaying the signals simultaneously on the display screen, means for exchanging the two signals, means for automatically sequentially transmitting and selecting the signals input from the antenna input of the receiver that are simultaneously displayed on a part of the display screen, and sequentially transmitting and selecting the signals. Means for stopping the channel selection in the middle is provided, and when the signal switching means is operated in the middle of the sequential channel selection, the signal switching means is provided with a means for switching the two signals and at the same time stops the channel selection in the sequential manner. A television device characterized in that it is associated with a means for activating a stop means.