JPH0316032B2 - - Google Patents

Description

[Detailed Description of the Invention] [Technical Field of the Invention] This invention provides a method for scrolling and blinking information such as sentences created by inputting a large number of figures such as letters, symbols, and pictures on a large figure display board while checking the information. The present invention relates to an LCD information display device that can perform additional operations such as .

[Prior art]

2. Description of the Related Art Conventionally, there is a pen-touch type input device as shown in FIG. 1 as a graphic (character) input device for creating and displaying information such as sentences. In the figure, 1 is a graphic input device, and a graphic input board 3 is formed on a base plate 2.
A desired number of graphic printing films 4 are arranged on the upper surface of the graphic input board 3.

On the graphic printing film 4, graphics 5 such as characters, pictures, symbols, etc. are arranged and written on one side. 6 is a pen for inputting.

FIG. 2 is a partial perspective view showing the internal structure of the graphic input board 3. The back side of the graphic printing film 4 is aligned with the rows of figures (kanji in the figure) 5 arranged in a matrix on the graphic printing film 4. A large number of movable side electrodes 7 are provided in stripes on the insulating plate 9 in line with the rows of the figures 5, and fixed side electrodes 8 are provided on the insulating plate 9 in stripes to form a matrix electrode switch.

Note that the facing surfaces of the movable electrode 7 and the fixed electrode 8 are kept at a small distance by a spacer (not shown).

Therefore, in order to input the figure 5, the operator uses the pen 6 to touch the figure 5 on the figure printing film 4 from above, and the movable electrode 7 below the figure 5 at the touch position is connected to the figure 5. Only the intersection with the fixed side electrode 8 comes into contact due to the bending of the graphic printing film 4, and this becomes a switch signal to the circuit that displays the touched graphic 5. In this way, information such as sentences is input by sequentially touching a large number of figures 5.

In such a conventional figure input device 1, it is necessary to write and store a large number of figures on one side of the figure input board 3, but the size of the figure input board 3 is naturally limited, and the number of figures 5 that can be written is limited. is limited.

Further, when a large number of figures 5 are written in a limited area, there are drawbacks such as the figures being minute and difficult to see and work with.

[Summary of the invention]

The present invention has been made to eliminate such drawbacks, and includes a graphic display means that also functions as an input switch using a dot matrix LCD panel and a transparent electrode touch switch, and a plurality of screens displayed by this display means. an input operation mechanism that includes a figure generation means that can be selected in various ways, and a figure output means that edits, stores, and displays output figures; and a dot matrix that is driven by the input operation mechanism.
Consists of a large graphic display panel in LCD format,
The shape information edited by the input operation mechanism is
By switching the mode switch provided on the input operation mechanism to the output mode, the output is transmitted via a cable to the large graphic display panel and displayed, allowing you to confirm the output graphic.It is compact, easy to operate, and can display a large number of graphics. This paper proposes an LCD information display device.

[Embodiments of the invention]

According to this invention based on FIGS. 3 to 6
An example of an LCD information display device will be described. 10
11 is an input operation mechanism, and 11 is a large graphic display panel, which are connected to each other by a cable 12.

The input operation mechanism 10 includes a base plate 13, a dot matrix LCD display panel 14 formed to double as an input switch, and a dot matrix LCD display panel 14 for checking figures (characters) 15 to be output as information such as sentences.
A screen (character table, Fig. 4,
5), and a mode switch section 18 for setting input, output, etc. modes.

On the large graphic display panel 11, large LCD panels 19 of, for example, 24×24 dots are arranged in the number of graphics necessary for information transmission.

Figures 4 and 5 show examples of drawings (character tables in the figures), and Figure 4 shows "Hiragana".
, and FIG. 5 is a character table in which "alphanumeric characters" are arranged.

The dot matrix LCD display panel 14 shown in FIG. 3 is in a state where the switch indicated by "Ka" in the screen selection switch section 17 is pressed and a screen (character table) consisting of a string of kanji characters starting with "Ka" is displayed. It shows.

In the above, the dot matrix LCD display panel 14 has a structure similar to that of the display panel that also serves as an input switch in the "Keyboard Device" filed by the present applicant on March 19, 1980, and has transparent electrodes on the display panel 14. More Tatsuchi Switch 26
(Fig. 6) are superimposed so that one piece corresponds to each figure 5, and by pressing the touch switch 26 on the figure 5 you want to output, you can output that figure 5.
is output.

Next, the configuration of the overall block circuit in this embodiment will be explained with reference to FIG.

The overall block circuit is roughly divided into a figure generating means 20 and a touch switch 26, which are arranged in a dot matrix.
It is composed of an input/figure display means 27 stacked on the LCD display panel 14, a figure output means 21, and a plurality of large LCD panels 19 arranged on the large figure display board 11.

The graphic generation means 20 includes a screen selection switch section 17, a mode switch 18, a control section 22 that generates a screen code, and a graphic address generation section 23 that sequentially generates graphic (character) addresses necessary for creating a screen (character table). A character generating section 24 generates data corresponding to a display dot based on this graphic address, a screen display memory/driver 25 outputs display dots to the dot matrix LCD display panel 14 based on this data, and a logic signal from a touch switch 26 is generated. It is composed of a touch detection section 28 that converts the touch into a signal.

The graphic output means 21 is composed of an output graphic display section 16 consisting of a dot matrix LCD, and an output graphic display memory LCD driver 29 that drives the output graphic display section 16 according to data from the character generating section 24. It has a function to edit shapes at a position.

Large LCD panel 19 is output graphic display memory
The connection is such that it is driven by the output of the LCD driver 29.

In the above, the character generating section 24 is equipped with data of the type of each figure (character) and its display position as a ROM for multiple screens.
By changing the data, it is possible to display many types of figures such as characters, symbols, and pictures.
The touch switch 26 is formed of a transparent electrode, but this type may be of a membrane type or a capacitance type, and its detection circuit is also known.

Further, the screen selection switch section 17 and the mode switch 18 may be switches having ordinary metal contacts, but in this case, the electrodes and sheet do not need to be transparent, and may be ones with characters printed on the sheet surface.

Next, the operation of the above embodiment will be explained based on FIGS. 3 and 6.

In use, when the mode switch 18 is set to input mode and the screen containing the desired figure is selected by the screen selection switch section 17, the desired screen is displayed on the dot matrix LCD display panel 14, and the desired screen is output as information. Desired information (characters) is created by touching the top of the figure 5 with your finger and repeatedly pressing the screen selection switch section 17 and the touch switch 26. The output figure 15 is additionally displayed on the output figure display section 16 one character at a time.

Once the information has been written, the mode switch 18 is switched to the output mode, and the above information is displayed on the large LCD panel 19 on the large graphic display board 11.

Next, the circuit operation will be explained with reference to FIG. When the screen selection switch section 17 is pressed in the input mode, the screen code is input from the control section 22 to the figure address generation section 23, and the figure addresses necessary for creating the desired screen are sequentially generated and correspond to the displayed dots. The data is outputted to the character generating section 24, and a desired screen is displayed on the dot matrix LCD display panel 14 via the screen display memory/LCD driver 25 based on this output.

The operator presses the touch switch 2 on the desired figure 5.
6, the control unit 22 detects the touched position, specifies the figure address in the figure address generation unit 23, and outputs a display dot of the corresponding figure to the character generation unit 24.The figure memory/LCD driver 29 The figure to be output is displayed by driving the output figure display section 16. By switching the mode switch 18 to the output side even after information is created by this operation, the control section 22 sends a signal for displaying a large figure to the output figure display memory/driver 29, thereby making it possible to display a large figure.

〔Effect of the invention〕

As described above, according to the present invention, there is a figure display means that also serves as an input switch in which touch switches made of transparent electrodes are stacked for each figure, a figure generation means that can arbitrarily select a plurality of screens, and a figure at the position of the switch by input from the touch switch. Since the large LCD panel is driven by an input operation mechanism equipped with editing memory and graphic output means for display output, a number of effects can be expected as shown below.

(a) Multiple screens displayed on the dot matrix LCD display panel of the input operation mechanism can be selected and easily switched;
Since data for a large number of graphics can be stored in ROM, an extremely large number of graphics can be used.

(b) Since the touch switch made of transparent electrodes and the graphic display position are shared, the input operation mechanism can be made compact. Furthermore, by exchanging the graphic data stored in the ROM in the graphic generating means, it is possible to create a dedicated display board for each purpose, on which special characters, pictures, and other graphics can be set.

C Each display section, i.e. output figure display section, large
Since the LCD panel and the like are configured in an LCD display format, it can be made thin and consume less power.

D. The display function of the large-sized graphic display board can be enhanced by adding to the graphic generation means a function of scrolling or blinking the display of the information codified by the output graphic.

[Brief explanation of the drawing]

FIG. 1 is a perspective view showing a conventional graphic input device, FIG. 2 is a partially cutaway perspective view showing the inside of the graphic input board of FIG. 1, and FIG. 3 is an embodiment of the LCD information display device according to the present invention. An overall perspective view showing an example, FIG.
Figure 5 is a diagram showing an example of the screen (character table);
The figure is a block circuit diagram of an embodiment according to the invention. 10...Input operation mechanism, 11...Large graphic display panel, 14...Dot matrix LCD display panel,
19...Large LCD panel, 20...Graphic generation means, 21...Graphic output means, 26...Touch switch, 27...Graphic display unit that also serves as input switch.

Claims (1)

[Claims] 1. A graphic display means that also functions as an input switch, in which touch switches made of transparent electrodes are stacked on a dot matrix LCD display panel that displays a screen on which graphics such as letters, symbols, and pictures are arranged, one for each of the graphics; A figure generating means is provided with a plurality of display contents corresponding to one screen displayed on the display panel and can be arbitrarily selected; and a figure output means is configured to edit, store and display the figure at the touch switch position according to input from the touch switch. It consists of an input operation mechanism and a large graphic display board with a large LCD panel that is driven by the input operation mechanism, and the graphic information edited by the input operation mechanism is transferred to the input operation mechanism. An LCD information display device characterized by transmitting information to a large graphic display panel via a cable and displaying the information by switching a mode switch provided to an output mode.