JP3126133B2 - Information processing apparatus and information processing method - Google Patents

Description

Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an information processing apparatus and an information processing method capable of displaying a result of information processing such as character processing and image processing and a video for broadcast.

2. Description of the Related Art Conventionally, in an information processing apparatus or the like having a document editing function, character data input from a keyboard input device is subjected to character processing (document creation and editing), and character data for character processing is converted into a character image signal. Is displayed on the display device. In some cases, document data stored on a floppy disk or the like is converted into a character image and displayed.

[Problems to be Solved by the Invention] However, a display device connected to an information processing device such as a word processor or a personal computer having the above-described functions is used only for visible display of digital information such as characters, and is used for a television broadcast or the like. No video was displayed.

Even if the information processing device is modified to display images such as television broadcasts, the configuration of the device becomes complicated. It was hard for

In view of the above, an object of the present invention is not only to enable display of both a result of information processing and a television image, but also to prevent a case where a television image is not displayed. It is an object of the present invention to provide an information processing apparatus and method capable of immediately recognizing the cause.

Means for Solving the Problems In order to achieve such an object, the present invention provides a processing means for processing information, and a visual display of a signal of information and a broadcast video signal processed by the processing means. Display means, receiving means for receiving a broadcast video signal carried from outside, a slot for inserting a selector for selecting a broadcast video signal of a predetermined frequency, and the selector being inserted into the slot Determining means for determining whether or not the broadcast is received by the receiving means by using the selector when the determining means determines that the selector is inserted into the slot. A broadcast video signal of a specific frequency is selected from the video signals, and the selected broadcast video signal is displayed on the display unit instead of the information signal processed by the processing unit. And a notifying unit for notifying an error when the determining unit determines that the selector is not inserted into the slot.

The present invention is further characterized in that the receiving means receives a broadcast video signal carried wirelessly.

Further, the present invention provides a first display step for visually displaying a signal of information processed by the processing means on a display means, and whether a selector for selecting a broadcast video signal of a predetermined frequency is inserted into the slot. A determining step of determining whether the selector is inserted into the slot in the determining step. A second display step of selecting a broadcast video signal of a specific frequency from the above and displaying the selected broadcast video signal on the display means in place of the information signal displayed in the first display step And a notifying step of notifying an error when it is determined in the determining step that the selector is not inserted into the slot.

[Operation] In the present invention, when a selector for selecting a broadcast video signal of a predetermined frequency is inserted into a slot and the frequency is specified, when a specific frequency is specified by an operator, the broadcast for the specified frequency is selected. While the video signal is selected and displayed by the selector, if the selector is not inserted in the slot, an error is notified, and the operator does not display the broadcast video signal of the specified frequency. Even in this case, whether the selector is out of the slot or the device itself has failed can be immediately recognized.

Embodiment An embodiment of the present invention will be described below in detail with reference to the drawings.

FIG. 2 shows the appearance of a word processor to which the present invention is applied.

In FIG. 2, reference numeral 20 denotes a word processor, which normally has a function of creating and storing a document based on character data input from the keyboard input device 6, and displaying the created document on the display unit 5.

Reference numeral 12 denotes a floppy disk storage device that stores document information created on the word processor 20 on a floppy disk and reads the stored information. Reference numeral 13 denotes a slot (insertion slot) for receiving the tuner card 7.

The word processor 20 in the present embodiment converts the television image signal received by the antenna (receiving means) 7-1 into a digital image signal by the tuner card 7, and displays the television image on the display (display means) 5.

FIG. 1 shows a circuit configuration of a word processor according to an embodiment of the present invention.

In FIG. 1, a read only memory (ROM) 2, a random access memory (RAM) 3 and an interface 8 are commonly connected to a central processing unit (CPU) 1 as a processing means by an address bus Al and a data bus Dl. The keyboard input device 6 is connected to the CPU 1 by a signal line l1. The display 5 visually displays a television video signal or a character image signal received via the control circuit 4.

The control circuit (signal switching means) 4 is composed of logic circuits 4-1 to 4-3, 4-5 as shown in FIG. When the attachment of the tuner card 7 (selection means) is detected by the detection switch 9, the television video signal received by the tuner card 7 and converted into a digital signal is selected as a signal to be displayed. When the detection switch 9 detects that the tuner card 7 is not attached, the CP
A character image signal (information signal) converted from the character code by U1 is selected as a signal to be displayed.

The tuner card 7 is detachably attached to the main body of the word processor 20 through the slot 13 (see FIG. 2), and after inputting a channel (or frequency) instruction from the CPU 1 via the interface 8 at the time of insertion, the tuner card 7 The TV video signal is detected and modulated to output a digital video TV signal.

The ROM 2 stores a control program for creating a document executed by the CPU 1, a control program for specifying a channel of a television image, and a character font 2-1 for converting a character code into a character image.

The RAM 3 is mainly used as a work area for creating a document.

In such a circuit configuration, the circuit operation of FIG.
This will be described with reference to the flowchart in FIG. FIG. 4 shows an execution control procedure of the CPU 1 for selectively switching between a document (word processing) process and a television (TV) video display process.

When the user instructs the document processing mode from the keyboard input device 6, the CPU 1 detects this instruction and reads out the document processing program from the ROM 2.
A document creation process is performed on the basis of the document information input from (step S1 → S2 in FIG. 4).

For example, if the document information input from the keyboard input device 6 is the alphabet "A", the CPU 1 changes the character code of "A" to the character font 2 according to the document creation program.
Based on -1, it is converted to a character image signal and output to the control circuit 4.

In the control circuit 4, in FIG. 3, the gate of the AND circuit 4-2 is opened by the non-wearing detection signal of the level "OFF", and the character image signal is sent to the display 5. Display 5
Converts the character image signal into a serial signal synchronized with the raster scan, and then visually displays the character image signal as "A".

On the other hand, when the tuner card 7 is inserted into the slot 13, the detection switch 9 sends out a mounting signal of level “ON”. This mounting signal causes the CPU 1 to enter a state in which it can receive a channel input from the keyboard input device 6 (steps S1 → S3 in FIG. 4). Further, the control circuit 4 switches to a state in which the television video signal can be transferred from the tuner card 7 (see FIG. 3).

When the user inputs the selected channel information from the keyboard input device 6, the CPU 1 transfers the channel information to the tuner card 7 via the interface 8 (step S4 in FIG. 4).

In response to the channel instruction, the tuner card 7 transmits the television image signal of the designated channel to the control circuit 4 in the form of a digital signal. As a result, a television image signal is sent to the display 5 via the control circuit 4, and the display screen is switched to television image. While the tuner card 7 is mounted, the CPU 1 keeps accepting the channel input,
It is possible to switch the channel of the television image on the display screen (step S1 → S3 → S4 in FIG. 4).

If there is a channel selection input when the tuner card 7 is not installed, the CPU 1 also detects the detection switch 9.
The connection of the tuner card 7 is confirmed by the determination of the level of the detection signal, and an error message is displayed on the display 5 (step S3 → S5 in FIG. 4). In addition to the present embodiment, the following examples are given.

1) In this embodiment, hardware is used for the control circuit 4 and the detection switch 9, but equivalent functions can be realized by software processing of the CPU 1. In this case, the tuner card 7 is provided with a response circuit. Further, the CPU 1 transmits an interrogation signal to the tuner card 7 at a constant period, and when there is a response from the tuner card 7, the CPU 1 confirms the connection of the tuner card 7.

When this connection is confirmed, the CPU 1 receives the television video signal from the tuner card 7 via the interface 8 and transfers it to the display 5.

2) As the display 5 of the present embodiment, a dot matrix type display capable of displaying both television images and text images, for example, a CRT display or a liquid crystal display may be used.

3) In this embodiment, channel information is input from the keyboard input device 6 to display a television image.
When displaying a television image of a specific frequency, the input processing of channel information can be omitted.

4) In this embodiment, a word processor is taken as an example of the information processing apparatus. However, the present invention is applicable to an information processing apparatus that displays information processing results such as character processing and image processing, for example, a personal computer and an image processor. .

[Effect of the Invention] As described above, according to the present invention, when a selector for selecting a broadcast video signal of a predetermined frequency is inserted in a slot, when a specific frequency is designated by an operator, In the meantime, the broadcast video signal of the designated frequency is selected and displayed by the selector, but if the selector is not inserted into the slot, an error is notified, so the operator specifies Even when the broadcast video signal of the frequency is not displayed, it is possible to immediately recognize whether the selector is out of the slot or whether the device itself is out of order or the cause thereof.

[Brief description of the drawings]

FIG. 1 is a block diagram showing a circuit configuration of an embodiment of the present invention, FIG. 2 is a perspective view showing an example of an appearance of the embodiment of the present invention, and FIG. 3 shows a circuit configuration of a control circuit 4 of the embodiment of the present invention. FIG. 4 is a flowchart showing the operation procedure of the embodiment of the present invention. 1 processing means 4 signal switching means 5 display means 7 selecting means 7-1 receiving means

Claims (3)

(57) [Claims] 1. A processing means for processing information, a display means for visually displaying an information signal and a broadcast video signal processed by the processing means, and a reception for receiving a broadcast video signal carried from the outside Means, a slot for inserting a selector for selecting a broadcast video signal of a predetermined frequency, determining means for determining whether or not the selector is inserted in the slot, and the selecting means by the determining means When it is determined that the device is inserted into the slot, using the selector, to select a broadcast video signal of a specific frequency from the broadcast video signal received by the receiving means, Control means for controlling the selected broadcast video signal to be displayed on the display means in place of the signal of the information processed by the processing means; and If it is determined not to be inserted into the serial slot, the information processing apparatus being characterized in that comprising a notifying means for notifying an error. 2. The information processing apparatus according to claim 1, wherein said receiving means receives a broadcast video signal transmitted wirelessly. 3. A first display step of visually displaying an information signal processed by a processing means on a display means, and whether a selector for selecting a broadcast video signal of a predetermined frequency is inserted in a slot. A determining step of determining, when it is determined in the determining step that the selector is inserted into the slot, from among the broadcast video signals received from outside by the receiving means using the selector A second display step of selecting a broadcast video signal of a specific frequency and displaying the selected broadcast video signal on the display means instead of the information signal displayed in the first display step; A notification step of notifying an error when it is determined in the determining step that the selector is not inserted into the slot.