JPS6364466A - Drawn picture communication equipment - Google Patents

Abstract

PURPOSE:To attain erasure a picture drawing line designated by a number by storing a picture drawn data together with a number data representing the inputted order as one unit, which is inputted after a picture drawing pen lads on a picture drawing pad till it is lifted up. CONSTITUTION:The picture drawing data inputted to the picture drawing pad 1 and a voice signal inputted from a telephone set 9 are outputted to a telephone line L while being multiplexed. A control circuit 4 stores a coded picture signal in a data memory 6 and displays it on a CRT 14. The picture drawing data is stored in the memory 6 as one unit while it is inputted after the pen lands on the pad 1 till it is lifted up. A storage area of an address table storing an address table stored with the picture drawing data is provided to the memory 6. When it is required to correct the drawing picture, the drawing picture data is read at each unit, displayed on the CRT 14 while number of picture drawing line is designated and the selected picture drawing line is erased to erase the designated picture drawing line.

Description

[Detailed Description of the Invention] Field of Application of M Toue The present invention relates to a graphical image communication device〇 (Prior art) A graphical image communication device that transmits and receives handwritten images and all audio using ordinary telephone lines. has been developed (see Research and Practical Application Report, Vol. M32, No. 3 (1983)).

In this drawing image communication device, erasing a single handwritten image is done by selecting the partial erasure mode, encircling the entire area to be erased with a drawing pen, and then adding a finger to the area, and then erasing all the drawing data contained in the closed area.

There are two types of erasing methods: specify the starting point of the rectangular area to be erased with the drawing pen by selecting the eraser A-1 need, and erase the drawing data with the eraser by moving the drawing pen. C is being ignored.

However, in the conventional erasing method, the entire erasing area is erased using the drawing pen, so if the drawing pen is moved to a wrong position than the specified position, the necessary figure will also be erased, making it impossible to erase accurately. There was a problem.

(c) Problems to be Solved by the Invention The present invention has been made to solve the above-mentioned problems, and provides a drawn image communication device that can perform complete erasure accurately.

(→ Means for solving all the problems The present invention is based on the drawing pen being down on the ti and both drawing pads f'L''
'Drawing data fc1 input from C to 7th
As stroke data, there is a memory to store it together with the input number data indicating the number, an address table memory that stores the address of the memory where the drawing data is stored, and a memory next to the drawing line by operating the erase key. The control means displays the input number and performs control to erase all drawn lines of the designated number.

(e) Operation Since the present invention is configured as described above, when an erasing operation is performed, the control means displays the input number next to the drawn line, so when the operator inputs all the numbers of the drawn line to be erased,
The control means refers to the entire address table memory and erases the drawn lines on the display device based on the data in the memory containing the corresponding drawing data.

(v) Examples Below Examples of the present invention
) is a pressure-sensitive tablet with 1 drawing band, and the input surface of this drawing pad (1) has a drawing pen attached to it.
The image will be input 7. Also, various mode selection switches (2) are installed at one end of this 4-screen pad (1).
ing. (3) is the prediction code f and (D
P CM ) circuit encodes it using a predetermined method and outputs it as a digital signal. (4) A 1lU-circuit into which the output of the PCM encoding circuit (3) and the output of the drawing band (1) are inputted from e, and the microphone four processors? 494, and according to the processing program stored in advance in the program memo ν(5), '1: Controls the entire apparatus. (6) is a data memo ν in which the encoded image signal is extracted under the control of the control circuit (4), and the image signal is written in the format shown in FIG. 2 as δn. .

In other words, the drawing data is the drawing data that has been input until the drawing band is lowered onto the drawing band and then raised.
Each drawing data (A) includes command identification data (CB) indicating color attributes, etc., number data (C) indicating the input order, and classification data (ISP) as a pair. #maden. Further, as shown in FIG. 3, the data memory (6) is provided with an address table area CD in which address data indicating addresses for storing drawing data of people is stored in pairs with number data indicating the input order. It is being (71 is a DPCMPCM encoding circuit).
FSK (Fr
Equency 5hlft Keylng) Perform seven changes to the shrine. On the other hand, this FSKS demo 1 (7) completely demodulates the breast-modified image signal received from the communication partner via the telephone line (L).

(8) (j: demultiplexing circuit, F'SK modem circuit (7
) is multiplexed with the audio signal input from the telephone (9) and output to the telephone line (L). The multiplexed signal is separated from the audio signal and the image signal which has been combined on the transmitting side, and the audio signal is output to the 'IiL speaker' and the image signal is output to the aforementioned FSXS demo 1 (7).

40D is switched under the control of the control circuit (4).
The switching circuit U■ connects the telephone set (9) to the switching circuit συ and the demultiplexing circuit (8), and also connects the switching circuit 1
ll) acts to switch and connect the telephone line CLJ gold switching circuit (101) and the demultiplexing circuit (8).

U is a DPCM decoding circuit that decodes the image signal demodulated by the F'SK modem circuit (power) that is sent from the other party, and the image signal decoded by this DPCM decoding circuit is sent to the l# volatile The 0-picture memory 4 given to the memory αJ stores the image signal f of the handmade image input from the drawing band (1) at the time of transmission and displays it on the CRT display device, and also stores it at the time of reception. The D P CMIi encoding and assimilating circuit 13 stores the decoded image signal and displays it on the CT display device in two lines.
This is a rung for instructing the mode selected by the mode selection switch (2) provided in ), and also for instructing simultaneous communication mode, single drawing mode, drawing accumulation mode, erasing mode, etc.

The switching circuit is normally switched as shown by the solid line, and is configured so that it can be used as a normal telephone by connecting to the 4th talk m (97 is the direct telephone line LL).

Next, the operation of the present invention having such a configuration will be explained based on a chart shown in FIG.

First, when going through the drawing process, dial the person you are communicating with using m9) in episode '11' to call the person you are communicating with. The communication partner is also equipped with the picture communication device shown in Figure 1, and when a call is received, the telephone bell will ring, so if you pick up the handset and answer it, you will be able to make a call as a normal telephone. After announcing that they would like to do some drawing, both parties operate the mode selection switch f (2) fl on the drawing pad (1). For example, if the simultaneous communication mode is selected, the control circuit (4) that has detected the selected value 1 will switch the switching circuit αQ0υ to the dashed line side along with the 5 illumination of the rung (11) indicating the simultaneous communication mode. In addition, the telephone set (9) and the telephone line (L) are respectively connected to the demultiplexing circuit (8).

The control circuit (4) turns on the input reception lamp (lO) to indicate that the input reception is possible.

Then, when Eli Painter draws his hand on the drawing pad (1),
The image signal is processed as an XsY coordinate signal by a DPCM encoding circuit (
3), the encoded data is temporarily stored in the transmission buffer area of the data memory (6). The encoded image signal is then modulated in the FSKS demo 1 circuit (7), sent to the telephone 1RCL via the demultiplexer circuit (8), and transmitted to the communication partner. At this time, when the audio signal from the telephone (9) is input, the modulated image signal and the audio signal are multiplexed by the demultiplexing circuit (8) and output simultaneously to the telephone line (dLL). Also, the control circuit (4) is the FSKS demo 1st circuit (7)
According to the modulation processing in the data memory (6), it is encoded from the transmission buffer area of the data memory (6). Furthermore, control circuit (4) 1-j: drawing pad (
1) Image memo based on the X and Yi collar signals! Since the image data is written in the image data, the image is displayed on the CRT display device u4) at the same time as the image is handwritten on the drawing pad (1).

10,000 communication opponent sword drawing I # Iedori Igisou d, Uke I K[.

The demultiplexer circuit (8) separates the signal into an audio signal and an image signal, and the audio signal is divided into one episode m (9) and one image signal is FSK.
Supplied to S demo 1 path (7) and demodulated. After the demodulated signal 70 is sent to the PCM decoding circuit, it is written to #J image memo 9 and displayed on the CRT display device α in all lines.

Even if there is a problem during drawing, the demultiplexing circuit (8)
Since the audio signal is separated from A and is supplied to talk A (9), both parties can talk.

Next, the operation when the drawing accumulation mode is selected by the mode selection switch f(2) will be explained. In this case, the input aIi! ii All data is stored in the data memory (without being sent).
6) is stored in the format shown in FIG. 2, and displayed on the CRT display device I. nru. The address data of the drawing data stored at this time is in the address table area (D).
6, along with the number data indicating the input order amount. There, you can end the drawing input and make no particular corrections to the displayed drawing (if you select batch sending mode with the mode selection switch (2), step (8)
2], the control circuit (4) that has detected the moto signal goes to step (S16) and sequentially reads out the drawing data stored in the data memory (6) and transmits it in the same manner as described above. A drawing display is performed on the CRT display device α on the receiving side.

If it is necessary to correct a drawing made by one hand during drawing or at the end of drawing, operate the stroke eraser "t" (not shown), and the control circuit (4) that detected the switch signal in step (S3) ) is step (S4)
The CRT display device 14) also displays a keyboard message as shown in FIG.

Read out the drawing data from the data memory (6) and redisplay it on the CRT display device (141iC). At the same time, a number is displayed next to the drawn line based on the input number data.Then, the number of the drawn line that you want to erase is displayed on the display device. Move the drawing pen to the corresponding number key (16A) by moving the drawing pen. The control circuit (4) detects the manually entered number from the coordinate position of the IJ, displays the entered number on the display section (16B), and stores the corresponding drawing data from the address table area (D). Go to the address that is located in Tokyo and read the drawing data from that address.

Based on the read data, "0" is written to the corresponding position in the image memory u3 in step [S6], and after a predetermined period, the operation of writing all "1" is repeated.

The drawn line whose number has been input is displayed blinking, making it easy to identify the drawn line to be erased. Then, when the marker [171 is moved to the erase key (16C) position by moving the drawing pen, when the input switch of the drawing pen is operated, the !lI control circuit (
4) reads out all the drawing data from the data memory (6) in the same way as #description, and writes data "0" in a predetermined area in the image memory based on the X and Y coordinate data included in the data read out in step (S8). "Eri, CR to write
The point is erased from the T display device ■. Similarly, by sequentially writing data rOJ to the image memory (131) based on the data read from the data memory (6), C
The drawn line is erased from the RT display device 1141. When the processing of the drawing data read from the data memory (6) is finished, the control circuit (4) erases the corresponding stress from the address table area (Dl) in step (S9), and moves the address data after -(n). At this time, if you erase all the drawing data and move the data in the memory (6), it will take a lot of processing time, and you will not be able to perform the next operation to finish, so the address table area CD)
At this time, at the intersection of the drawn line to be erased and the drawn line not to be erased, data "0" is stored in the artist's memory, so the intersection of the drawn points is erased, but in this case, the Do not redisplay by operating the switch.

The control circuit (4) which has detected all the switch signals in step (S13) reads out the address table area (CD) from the beginning, sequentially reads the drawing data from the corresponding area of the data memory (6), and stores it in the image memory (13). By doing so, the intersection points will also be displayed in the redisplayed drawing. At this time, the address data related to the previously erased drawing line has been erased from the address table area (CD), so when the drawing data is not read out from the data memory (6), it is read out in a skip and is not displayed. There is no need to do this.I want to erase all drawn lines in 5. It is possible to erase any drawn line using human power, and the plan for erasing the 8th drawn line is completed. Now, use the drawing pen to input all lines of drawing.

The drawing data is newly stored in the data memory (6), and the address data is added to the address table area (CD) and further drawn on the CRT display device (U). Then, if the modification is completed and the batch transmission mode is selected for transmission, the data will be drawn on the display device σ4 on the receiving side in the same way as described above. When the writing area of the drawing data in the data memory (6) becomes full, the I+J# circuit (4) refers to the entire address table area (D) and erases the drawing data that is not stored in the address table area (DJ). Then, move the drawing data to the empty area.

Perform adjustment 4 of data memory (6).

Next, FIG. 6 is a diagram showing another embodiment, in which the drawing line to be erased is designated t up-? - (160) and down key (16EJ
Based on the first number added, the control circuit (4) moves up to L in step (817) as shown in Figure 86. -1l6D) is operated, step (S
Go to step 1g) and increase the number by 1, and go to step (Sill
), when the down key (16E) is operated, the step (
In step S20), control is performed to decrease the number by 1. These keys are convenient to use when erasing drawings m consecutively.

(G) Effects of the Invention As described above, the drawing image communication device of the present invention stores in the memory the drawing data inputted from when the drawing pen is brought down to the drawing pad until it is brought up as one unit; By using the L5 configuration in which a number is displayed on the drawn line in the erasing operation and the drawn line designated by the number 2 is erased, it is possible to erase the drawing [-] arbitrarily, and it is possible to erase all lines as drawn.

It is possible to perform accurate erasing, and is extremely effective in practical use.

[Brief explanation of the drawing]

FIG. N1 is a block diagram showing the configuration of the image communication device of the present invention, FIGS. 2 and 3 are schematic diagrams showing the configuration of the data memory, FIG. 4 is a flowchart showing the operating state of FIG. FIG. 5 is a diagram showing the display state of the display device, and FIG. 6 is a flowchart showing the operating state of FIG. 1 in another embodiment. (1)...Drawing pad, (3)...DPCM encoding circuit, (4)...Control circuit, (7)...FSKS demo 1 circuit, (8)...Demultiplexing circuit, (9)...Telephone, (1ri...DPCM decoding circuit. (13...Image memory, ■...CRT display device.

Claims (1)

[Claims] (1) In a drawing image communication device that multiplexes drawing data inputted by an input device consisting of a drawing pen and a drawing pad with an audio signal inputted from a telephone and outputs the same to a telephone line, the drawing pen is connected to the drawing pad. A memory that stores input drawing data as one unit from when it is uploaded until it is uploaded, an address table memory that stores address data in which drawing data is stored, and an address table memory that stores input drawing data. A display device for displaying a display, an erasing instruction means, and a control means for specifying and displaying a number on a drawn line displayed on the display device based on instructions from the means, and controlling the drawing line with the selected number to be erased. What is claimed is: 1. A graphical image communication device comprising: