JPH10224700A - Television receiver - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve operability by providing an interface controlling the PC in a television and setting the operation condition of the PC on a television-side at the time of connecting the personal computer PC with television so as to use it. SOLUTION: When the television 100 is operated by a television-side input operation part, data are communicated between the control processing part 16 of the television and a PC interface control circuit 21. Signals are transmitted to the input/output terminals 24a-24d of the PC 200, the operation situation of the input operation of the television is converted into data, the mouse pointer of the PC is controlled and a pseudo operation is executed by a mouse. The speed of a mouse can also be controlled by a menu key. Since a content which is set in the menu of the television is reflected on data on a mouse operation, it is not necessary to rewrite the system setting of a PC main body and it is not necessary to return the setting of the PC main body after the user of a PC operation function by the television terminates. Furthermore, the receiver is applied to other PC by storing the setting content.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a television receiver (hereinafter, referred to as a television) having a connection terminal for an information processing apparatus, for example, a personal computer (hereinafter, referred to as a PC), and capable of displaying a PC screen. About.

[0002]

2. Description of the Related Art There is known a television which can be connected to a PC and enjoy the Internet or CD-ROM information on a large screen as well as AV equipment such as ordinary television broadcasts and VTRs. An example of a television having such a function is disclosed in a Nikkei PC (96-1-15). The features of the television disclosed therein are AV media such as NTSC (horizontal synchronization frequency 15.75 KHz), full-spec wide clear vision (31.5 KHz), and high definition (33.75 KHz) broadcast / package media. And a PC medium having a horizontal frequency of 31.5 KHz or 35 KHz.

[0003]

In the above prior art, P
Even when C is connected to a television, if the user wants to change the operation settings on the PC side, the user must perform a predetermined operation using the mouse or keyboard of the PC. Also,
Once the operating conditions of the PC have been changed, when the connection to the television is later released, it is necessary to return to the original operating conditions again, which is inconvenient.

[0004] It is an object of the present invention to provide an interface for enabling operating conditions of a PC by operating a television.

[0005]

The problem has been solved by providing an interface for controlling the PC inside the television and enabling the operating conditions of the interface to be set with a television remote control or the like.

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be specifically described below with reference to the drawings.

FIG. 1 shows an embodiment of the present invention, and shows a system configuration of a television having an interface function with a PC. 1 is an antenna, 2 is a tuner, 3 is an IF processing circuit, 4 and 5 are external input terminals, 6 is a PC input terminal, 7
Is a signal switching circuit, 8 is a video signal processing circuit for NTSC signals, 9 is a synchronous signal processing circuit for NTSC signals, and 10 is a PC
Signal video signal processing circuit, 11 a PC signal synchronization signal processing circuit, 12 a signal switching circuit, 13 a video output circuit, 1
4 is a deflection circuit, 15 is a CRT (CRT), 16 is a control processing unit, 17 is a channel selection processing circuit, 18 is an input operation unit,
9 is a screen display processing unit, 20 is a memory, 21 is a PC interface control circuit, and 22 is a PC control terminal.

In FIG. 1, a memory 20 stores various types of control information. A control processing circuit 16 including a microcomputer and the like uses the control information of the memory 20 to perform an input operation on an operation panel or a remote controller. Each unit is controlled according to command information from the unit 18.

The signal received by the antenna 1 is supplied to a tuner 2. The tuner 2 selects a television signal of a channel corresponding to a channel selection signal of a channel selection processing circuit 17 controlled by a control processing unit 16, and performs processing such as amplification and detection in an IF processing stage 3 to perform image processing. After being demodulated into a signal, the signal is supplied to the signal switching circuit 7. Further, the signal switching circuit 7 can input a video signal from an external device such as a VTR or a video disk from the external input terminals 4 and 5.

The signal switching circuit 7 is controlled by the control processing section 16 and can selectively output any one of a video signal from the IF processing circuit 3 and a video signal from the external input terminals 4 and 5.

The video signal output from the signal switching circuit 7 is processed by a video signal processing circuit 8, passes through a signal switching circuit 12, is amplified by a video output circuit 13, and is
Supplied to The video signal output from the signal switching circuit 7 is supplied to the synchronization processing circuit 9, where the horizontal and vertical synchronization signals are separated and supplied to the deflection circuit 14, where the CR signal is output.
A polarized wave of T15 is formed.

A video signal having a horizontal synchronizing frequency of 31.5 KHz from a PC input from a PC input terminal 6 is processed by a video signal processing circuit 10 in the same manner as described above, and then supplied to a signal switching circuit 12. The PC signal is supplied to the synchronization processing circuit 11, which determines the polarity of the horizontal and vertical synchronization signals and detects the presence / absence thereof, and is supplied to the deflection circuit 14. In this embodiment, an example is described in which a video signal having a horizontal synchronization frequency of 31.5 KHz is used.
When a means for converting into a signal is provided, it may be connected to the external input terminals 4 and 5.

The signal switching circuit 12 selects an output from the video signal processing circuit 8 or 10 under the control of the control processing section 16.

A screen display processing circuit 19 generates a character and graphic display output synchronized with the horizontal and vertical pulses output from the deflection circuit 14, and responds to command information from an input operation unit 18 such as an operation panel or a remote controller. A CH number, various setting menus, and the like are displayed on the CRT 15.

The PC interface control circuit 21 communicates with a PC (not shown) from a PC control terminal 22 in order to operate the PC in accordance with command information from the input operation unit 18.

FIG. 2 shows the television 100 and the PC 2 in FIG.
9 shows a specific example of an interface portion with 00. Reference numeral 21 denotes a PC interface control circuit for simulating a mouse operation (emulation operation).
22d and 24a to 24d are input / output terminals,
Reference numeral 5 denotes a controller to which a clock and data signal from the mouse interface control circuit 21 are connected and whose output is connected to the internal bus 28 of the main microprocessor.
26a and 26b are pull-up resistors, and 27a and 27b are output buffer inverter circuits.

Referring to FIG. 1, an input operation unit 1 shown in FIG.
When the operation is performed from 8 to the television 100, serial data communication is performed between the control processing unit 16 and the PC interface control circuit 21. The PC interface control circuit 21 includes PC200 input / output terminals 24a to 24a.
A signal is transmitted to 24d to perform a mouse emulation operation. 22a and 24a are supplied from the PC 200+
This is a 5V power supply line, and the PC interface control circuit 21 of the present embodiment also has a built-in means for detecting the power supply state of the PC 200.
It is determined that C is in the power off state or the PC is not connected. Clock signals are transmitted to 22b and 24b,
Data signals are transmitted to 22c and 24c. TV 1
The mouse operation data transmitted from 00 to the PC 200 is composed of 3 bytes, and includes the amount of movement of the mouse in the X or Y direction, the sign, and the pressed state of the left and right buttons. The operation status of the operation unit 18 is appropriately converted into this data and P
By transmitting to the C200, the television 100 can control the mouse pointer of the PC. Further, depending on an instruction from the control processing unit 16, the PC interface control circuit 21 can also emulate a dedicated control pad of a specific Internet terminal or game machine. In this case, the input / output terminals 22a to 22d
Although the electrical specifications and communication timing specifications are the same as those at the time of mouse control, the contents of data to be communicated are different.

FIG. 3 is a plan view showing an operation surface of a remote controller as a specific example of the input operation unit 18 in FIG. 1, wherein 29 is a CH button, 30 is an input selection button, 31a
31d is a direction instruction button, 32 is a decision button, and 33 is a menu button. Each time the input selection button 30 is pressed, the video input on the TV screen switches between TV broadcast, video input from an external input terminal, and PC input from the PC input terminal 6.

At the time of selection other than the PC input, the direction buttons 31a and 31b function as CH selection buttons, and the decision button 32 usually has no specific function. Meanwhile, PC
When an input is selected, the direction buttons 31a to 31d function as a mouse pointer move button, and the enter button 32 functions as a left click button. However, + supplied from PC 200
When the 5V power supplies 22a and 24a do not reach the predetermined voltage, the PC is in the power-off state, or when the PC interface control circuit 21 determines that the PC is not connected, the PC input is selected. , Direction button 31
The functions a and 31b and the decision button 32 have the same functions as those in the case other than the PC input. When the menu button 33 is pressed, various setting menus are displayed on the television screen. During the period in which this menu is displayed, regardless of the selection state of the video input, the direction buttons 31a to 31d and the determination button 32 are used to set the menu. Items can be selected and each setting can be changed.

FIG. 4 shows the menu button 33 shown in FIG.
Is a PC-related item of the contents displayed on the screen when is pressed, 34 is an item for selecting a use condition of the PC operation function by the television, and 35 is whether to perform acceleration control when moving the mouse pointer. Is an item for setting the moving speed of the mouse pointer.

When "not use" is selected in the item 34 for selecting the use condition of the PC operation function by the television,
The control processing unit 16 performs processing so that the direction buttons 31a and 31b and the determination button 32 are not treated as PC operation buttons. At the same time, the control processing unit 16 instructs the PC interface control circuit 21 to stop the function.
As a result, the television 100 is no longer detected by the PC 200 as a peripheral device, and if the PC 200 has a built-in pointing device such as a trackball, the device can be intentionally enabled.

When "mouse" is selected in the item 34 for selecting the use condition of the PC operation function by the TV, the PC
The interface control circuit 21 performs a mouse emulation operation. Only in this case, the setting contents of an item 35 for setting whether or not to perform acceleration control and an item 36 for setting a moving speed of the mouse pointer become valid. When the acceleration control is set in the item 35 for setting whether or not to perform the acceleration control, the movement of the mouse pointer is started at a predetermined initial speed by depressing the direction buttons 31a to 31d, and the predetermined movement is performed by continuing the depression. PC to accelerate to maximum speed
The interface control circuit 21 controls and can collectively adjust settings such as the initial speed, the maximum speed, and the acceleration according to the setting item 36 of the moving speed. The initial speed, the maximum speed, and the acceleration may be individually adjusted, or the items may be limited. When the acceleration control is not set in the item 35 for setting whether or not to perform the acceleration control, the mouse pointer is set at a constant speed according to the moving speed setting 36 during a period from the start to the release of the direction buttons 31a to 31d until the release. To move.

When "control pad" is selected in the item 34 for selecting the use condition of the PC operation function by the television, the PC interface control circuit 21 emulates the operation of the dedicated control pad of a specific Internet terminal or game machine. I do.

The contents set in the menu of the television are transmitted to the PC interface control circuit 21 and are reflected in data relating to mouse operation and the like transmitted to the PC, and rewrite the system settings of the PC main body. This setting is effective only when using the PC operation function by the television. Therefore, there is no need to restore the settings of the PC main unit when using a normal mouse after the use of the PC operation function by the television is finished. Also, since the contents set in the menu of the television are stored in the memory 20 inside the television, a PC connected to the television is set.
Even if the PC is replaced with another PC, the validity is maintained.

[0025]

As described above, according to the present invention,
PC operating conditions such as the mouse pointer moving speed
It can be set by operating the remote control, etc. of the PC, and it is not necessary to restore the settings of the PC when using a normal mouse after the use of the mouse operation function by the TV is improved, so that usability is improved. Can be.

[Brief description of the drawings]

FIG. 1 is a block diagram showing an embodiment of a television receiver having an interface function with a PC according to the present invention.

FIG. 2 shows a specific example of an interface between the television shown in FIG. 1 and a PC.

FIG. 3 is a plan view showing an operation surface of a remote controller as a specific example of the input operation unit in FIG. 1;

FIG. 4 shows a specific example of a PC-related setting menu screen of the television.

[Explanation of symbols]

 Reference Signs List 1 antenna 2 tuner 3 IF processing circuit 4 external input terminal 5 external input terminal 6 PC input terminal 7 signal switching circuit 8 NTSC video signal processing circuit 9 NTSC synchronization signal processing circuit 10 PC video signal processing circuit 11 PC synchronization signal processing circuit 12 signal Switching circuit 13 Video output circuit 14 Deflection circuit 15 CRT 16 Control processing unit 17 Tuning processing circuit 18 Input operation unit 19 Screen display processing circuit 20 Memory 21 PC interface control circuit 22 PC control terminal 23 PC 24 PS / 2 input terminal 25 Controller 26 Pull-up resistor 27 Inverter circuit for output buffer 28 Internal bus 29 CH button 30 Input selection button 31 Direction button 32 Enter button 33 Menu button 34 PC function use condition selection item 35 Mouse acceleration selection item 36 Move mouse Speed control item 100 TV 200 PC

 ──────────────────────────────────────────────────の Continuing on the front page (72) Inventor Tsugio Itagaki 292 Yoshida-cho, Totsuka-ku, Yokohama-shi, Kanagawa Japan

Claims (4)

[Claims] 1. An image signal input means from an information processing device,
Control means for controlling the information processing apparatus, operation input means for operating the information processing apparatus, operation input means for operating a television, and control means for controlling the information processing apparatus. A television receiver comprising: a processing unit for setting related operation conditions by operation input means for operating the television. 2. The television receiver according to claim 1, further comprising information recording means for storing setting information of operation conditions relating to control means of said information processing apparatus. 3. An image signal input means of the information processing apparatus, a control means for controlling the information processing apparatus, an operation input means for operating the information processing apparatus, and an operation input means for operating the television. Means for displaying characters and graphics on a television screen, wherein the operation input means for operating the information processing apparatus and the operation input means for operating the television are shared, and the dual-purpose operation input means is provided. A television receiver that switches which of the above-mentioned operation means functions according to the display content on the screen. 4. A video signal input means of an information processing apparatus, a control means for controlling the information processing apparatus, an operation input means for operating the information processing apparatus, and an operation input means for operating a television. A means for detecting the power supply state of the information processing apparatus, wherein the operation input means for operating the information processing apparatus and the operation input means for operating the television are shared, and the shared operation input means is A television receiver for switching which of the above-mentioned operation means functions according to a detection result of a power supply state of the information processing apparatus.