JPH0437271A - Television receiver - Google Patents

Abstract

PURPOSE:To use a television receiver as a bulletin board without use of a complicated keyboard by adding a read only memory for an exclusive key and a character data for picture display and a nonvolatile memory for storing a message to a remote controller for the television receiver. CONSTITUTION:A word or a character stored in advance in a read only memory 14a is displayed on a television screen and a number designated by key entry of remote controller 27 or a key entry section 17 is combined with the word or the character to be displayed and the result is stored in a nonvolatile memory 14c as a message. At application of power to the television receiver, the message to be stored is displayed and when no message is stored, the video image of TV broadcast is displayed. Thus, the character designate by the remote controller or the key entry section is displayed and the bulletin board function is added.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to the use of a television receiver as a message board by virtue of its character display function on the television display screen.

[Conventional technology]

This system displays the adjustment status of each function of the television receiver using characters or symbols superimposed on the image on the TV screen, and displays the adjustment status changed in response to key operations on the remote controller or key input section. there were.

In addition, characters or pictures corresponding to the signal superimposed on the broadcast signal, such as teletext, were displayed on the same television screen.

[Problem to be solved by the invention]

Character data stored in advance in a read-only memory or the like or characters and pictures corresponding to broadcast character data can be displayed, but characters or symbols desired by the viewer cannot be displayed.

The present invention extends the display character data possessed by the display control section of a conventional television receiver, enables the display of characters specified by a remote controller or key input section, and adds a message board function.

[Means to solve the problem]

Displays the words or characters previously stored in the read-only memory on the TV screen, and combines the displayed words or characters of the number specified by key operation on the remote controller or key input unit and stores them as a message in the non-volatile memory. .

When the television receiver is turned on, if the message is stored, the message is displayed, and if the message is not stored, a video of the television broadcast is displayed.

[Effect]

From the television broadcast signal input to the tuner section 12, the broadcast signal of the channel designated by the channel selection signal 15 outputted by the control section I4 is selected, amplified, and detected, and a baseband video signal 13 is output.

The video signal 13 is supplied to a video amplification section 24 and a synchronous deflection section 25 via a signal synthesis section 20 to display an image on a picture tube 26.

When viewing a television broadcast, the control section 14 reads the signal output from the remote control operating device 27 or the key input section I7 via the remote control signal receiving section 18, outputs a control signal corresponding to the decoded signal, and receives the television. Controls each part of the machine 10.

The control unit 14 inputs the signal corresponding to the remote control operator 27 or the message key provided in the key input unit 17,
The control procedure shown in the flowchart of FIG. 3 is executed, and the message writing mode is entered.

That is, the switching signal 2 output from the control section 14 blocks the video signal 13 input to the signal synthesis section 20, and the output from the control section I4 blocks the display signal 19 output from the display control section 16 from the video amplification section 24 and The synchronous deflection unit 25 is supplied.

The display signal 19 causes a write mode display screen as shown in FIG. do.

A series of numbers are assigned to each of the displayed words, and one word is selected by the number specified by the number keys of the remote controller 27 or the key input unit 17, for example, the channel designation key.

The selected words are sequentially displayed in a message field set in the upper two to three lines of the display screen to form a message.

Characters other than the words to be displayed in the write mode are set to a character input mode in the write mode, and characters and symbols stored in the read-only memory 14a in the control unit 14 are displayed in the word display field; The displayed characters and symbols are selected and displayed in the message field in the same manner as the word selection.

A detailed flowchart in the character manual mode is shown in FIG.

In other words, a series of numbers assigned to each character or symbol is designated and selected using the numeric keys of the remote controller 27 or the key input section 17, and a character or symbol is selected using a cancellation code or termination code to which a specific number is assigned. Cancel or return to message writing mode.

Words or characters that cannot be displayed on one screen in the word display field are divided into pages within the range that can be displayed on one screen, and the pages are sequentially displayed by key operations on the remote controller 27 or key input section I7.

In the message writing mode, the message being displayed and the message flag indicating the presence or absence of the message are erased by inputting a code number for erasing a message, and the message being displayed is erased by inputting a code number for ending writing. 14, and set the same message flag.

In response to the instruction to end the message writing mode, the control section 14 outputs a switching signal 2 to the signal synthesis section 20, blocks the display signal 19 output from the display control section 16, and prevents the display signal 19 from being output from the tuner section 12. A video signal is output to display television broadcast video on the picture tube 26.

When the television receiver 10 is powered on, the message flag stored in the non-volatile memory 14c in the control section I4 is checked in accordance with the control procedure shown in FIG. 2 to start the control operation of the control section 14, and the message flag is checked. When erasing the flag, the switching signal 2 of the signal synthesizing section 20 is output, and the video signal of the television broadcast being received is output.

When the message flag is only ON, the signal synthesis section 20 is switched by the switching signal 2 outputted from the control section 14, and the message display screen is displayed on the display control section 16 with the word field of the display example shown in FIG. 5 deleted. The data of the message stored in the non-volatile memory 14c is outputted to the message field of the same screen, and the message is displayed.

After displaying the message, the remote controller 27 or the key input unit I7 erases the displayed message and the message flag when erasing the message is specified, and displays the television broadcast for inputs other than erasing the message. Return to

〔Example〕

A switching signal 21 supplies the television broadcast signal 11 input to the television receiver 10 and the channel selection signal 15 output from the control section 14 to the tuner section I2, and outputs the video signal 13 of the specified channel output from the control section 4. The signal is also supplied to the signal synthesis section 20 and supplied to the picture tube 26 via the video amplification section 24 and the synchronous deflection section 25.

The remote control signal receiving section 18 receives and converts a remote control signal outputted in accordance with the operation keys provided on the remote control operating device 27, and the electrical signal or the output signal of the key input section 17 is input to the control section 14 and A control signal corresponding to the signal is outputted to control each part of the television receiver 10.

The control section 14 supplies control data for each section of the television receiver 10 to the display control section 16 according to the designation of the remote controller 27 or the key input section 17.
The display signal 19 outputted by the tuner 6 is supplied to a signal synthesis section 20, and is superimposed on the video signal 13 outputted from the tuner section 12 to display symbols or characters.

The control unit 14, which has received an operation command for the message key provided in the remote controller 27 or the key input unit 17,
Execute the control procedure shown in the flowchart of 1, output the switching signal 21 to switch the signal synthesis section 20, and control the control section 1.
The display signal 19 output from the display control section 16 in response to the output data of No. 4 is supplied to the video amplification section 24 and the synchronous deflection section 25.

That is, the control section 14 supplies data corresponding to the display screen in the message writing mode shown in FIG. 5 to the display control section Noro, and outputs the display signal 19 obtained by converting the same data.

On the message writing mode display screen, words for the message writing mode, which are previously stored in the read-only memory 14a in the control section 14, are displayed at the bottom of the screen.

The number assigned to each of the displayed words is designated by the numeric key, for example, a channel designation key, of the remote controller 27 or the key input unit 17, and the words are sequentially displayed in a message field set at the top of the display screen.

The writing mode is set to a character input state, and the characters and symbols prestored in the read-only memory 14a are displayed in the word display field according to the flowchart shown by the fourth master, and the selected characters are displayed in the same manner as in the word selection. and symbols are displayed in the message field.

To select the word or character, one of the displayed words or characters is displayed with a cursor, such as by displaying it in black and white, and the cursor is moved to the remote controller 27 or the key input unit 1.
You can also move and specify using the cursor keys provided in 7.

A word composed of the characters selected in the character input state of the write mode is input to the remote controller 27 or the key input unit 1.
It is also possible to store the word in the non-volatile memory 14c in the control unit 14 using the registration key provided in 7 and use it in the same way as the word stored in the read-only memory 14a.

The words or characters that cannot be displayed on one screen are divided into a plurality of pages, and the pages are sequentially displayed using keys on the remote controller 27 or the key input unit 17, such as channel UP/DOWN keys.

In the message writing mode, the remote controller 27
Alternatively, the message deletion code number inputted from the key input section 17 erases the displayed message and the message flag stored in the nonvolatile memory 14c together with the message.

In the message writing mode, by inputting the code number for writing completion, a message flag indicating the presence or absence of the message is set together with the message being displayed, and is stored in the non-volatile memory 14c provided in the control unit 14. .

Depending on the state of the message flag, the control section 14 may output a signal corresponding to the flag, and a light emitting element driven by the signal may be provided on the front of the television receiver to display the presence or absence of a message.

When the message writing mode ends, the control section 14 outputs the switching signal 2 of the signal synthesis section 20 and supplies the video signal 13 output from the tuner section 12 to the video amplification section 24.

When the power of the television receiver IO is turned on, the control section J4
According to the control procedure shown in FIG. 2, the message flag stored in the non-volatile memory 14c of the control section 14 is confirmed, and when the message flag is erased, the video of the received television broadcast is displayed.

When the message flag is ON, the signal synthesis section 20 is switched by the switching signal 2I outputted from the opening control section 4, and the message display screen is displayed with the word tank of the display example shown in FIG. 5 deleted, and the non-volatile memory 14c is displayed. The message stored in the message is displayed.

After displaying the message, the remote controller 27 or the key input unit 17 erases the displayed message and the message flag when erasing the message, and erases the television broadcast image for inputs other than erasing the message. Display.

[Effects of the Invention] According to the present invention described above, two to three dedicated keys are added to the conventional TV remote controller, and a memory dedicated to reading character data for screen display and a non-volatile memory for storing message messages are added. By doing so, you can easily use your television receiver as a message board without having to prepare a complicated keyboard.

[Brief explanation of drawings]

Figure 1 is a block diagram of a television receiver implementing the present invention.
Figure 2 is a flowchart in message display mode, Figure 3 is a flowchart in message writing mode, Figure 4 is a flowchart for character input in message writing mode, and Figure 5 is a table in message writing mode. It is a figure which shows an example. In the figure, IO is a television receiver, 11 is a television broadcast signal, I2 is a tuner section, 13 is a video signal, 14 is a control section, 14a is a read-only memory, 14b is a memory, and 14c
15 is a non-volatile memory, 15 is a channel selection signal, 16 is a display control section, I7 is a key input section, 18 is a remote control signal receiving section, 19
20 is a display signal, 20 is a signal synthesis section, 21 is a switching signal, 24
2 is a video amplification unit, 25 is a synchronous deflection unit, 26 is a picture tube, 27
is a remote control device. Patent applicant: Fujitsu General Ltd.

Claims (3)

[Claims] (1) Equipped with a tuner section that selects the signal of the desired channel of the input television broadcast according to the specification from the remote control operator or key input section via the remote control signal receiving section, and outputs the video signal of the same broadcast. The character data to be output is converted into a display signal by the display control section, and the display signal is superimposed on the video signal output from the tuner section alone or on the video signal output from the tuner section via the signal synthesis section, and corresponds to the display signal and/or the video signal. In a television receiver that displays text and images, the display screen is set to message writing mode using the message key provided on the remote controller or the key input section, and the words stored in advance in the memory of the control section and displayed on the same screen are written. A message composed of the same word selected by the remote controller or key input unit is stored in a non-volatile memory provided in the control unit, and when the television receiver is turned on, the message is stored in the non-volatile memory. What is claimed is: 1. A television receiver characterized in that the presence or absence of a stored message is checked, and the stored message is displayed on a screen set in a message display mode. (2) In the character input state in the message writing mode, display some of the characters pre-stored in the read-only memory provided in the control unit, and use the key operation of the remote controller or key input unit to 2. The television receiver according to claim 1, wherein characters stored in the read-only memory are sequentially switched and displayed for each predetermined block, and characters designated by the same key operation are displayed in a message field. (3) Display the cursor on one of the words or characters displayed in the message writing mode, move the displayed cursor using the cursor keys provided on the remote controller or the key input section, and move the displayed word or character. 3. The television receiver according to claim 1, wherein a character can be selected.