JPH04184654A - Digital communication equipment - Google Patents

Abstract

PURPOSE:To facilitate the confirmation and alteration of the contents of both the storage parts of an electronic computer and a portable terminal device by equalizing the units and commands for access to both the storage parts and further providing the both with function processing means for a transmission procedure and an access procedure. CONSTITUTION:When an instruction for transferring data on the external storage device 17 of the electronic computer 5 to the RAM 23 of the portable terminal equipment 10 is inputted from an input part 26, a CPU 21 requests a communication part 24 to transfer the data in the corresponding block. The communication part 24 transmits the sent message to a communication part 14, which sends the received message out to a CPU 11. The CPU 11 reads the data out of the device 17 after confirming the request. The CPU 11 sends a request for data transmission to the communication part 14, which sends the data to the communication part 24; and the communication part 24 sends the received data out to the CPU 21. The CPU 21 stores the received data in the RAM 23. The transfer of data from the RAM 23 of the equipment 10 to the device 17 of the computer 5 is similar. Further, data in a ROM 12 and a RAM 13 can be transferred as the data of the computer 5.

Description

DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to a digital communication device for use with electronic computers and mobile terminal devices.

BACKGROUND ART Conventionally, in this type of digital communication device, when data is transmitted between a computer and a mobile terminal, a data transmission procedure between the computer and the mobile terminal is set in advance. Based on this setting, the data stored in the storage device, memory, etc. of the computer is transmitted to the mobile terminal device via a public line, private line, etc., and the transmitted data is stored in the storage section of the mobile terminal device. Conversely, data in the storage section of the mobile terminal device is also transmitted to the computer.

Problems to be Solved by the Invention However, in the above-mentioned conventional digital communication devices, the processing procedure of the interface for data transmission between the computer and the mobile terminal device is limited, and the data storage method is limited to the computer and the mobile terminal device. There was a drawback that the two devices were not compatible with each other, and the stored contents of each other, that is, the stored contents of a storage unit such as a memory, could not be easily checked or changed.

The present invention solves these conventional problems, and allows easy confirmation of the stored contents of a mobile terminal device and a computer.
The objective is to provide a superior digital communication device that can be modified.

Means for Solving the Problems In order to achieve the above object, the present invention makes the units and commands for accessing the storage section in the mobile terminal device connected to the computer via a line the same, and furthermore, Both are equipped with functional processing means for transmission procedures and storage access procedures.

Effects The present invention has the following effects due to the above structure. That is, the storage section can be accessed between the computer and the mobile terminal device, and in particular, the storage section of the computer can be controlled as an external storage device of the mobile terminal device, and the memory access method of the mobile terminal device can be accessed. The storage section of the computer can be accessed using the same processing procedure, and the storage section of the computer can be freely controlled from the mobile terminal device.

Embodiment No. 1 is a schematic block diagram of an embodiment of the digital communication device of the present invention.

In FIG. 1, reference numeral 5 denotes an electronic computer, which performs data transmission with the mobile terminal device 10 via a communication line M. In FIG.

This computer 5 has a central processing unit (CPU) of 11%R.
It controls the OM 12, RAM 13, communication section 14, display section 15, and input section 16. The ROM 12 is a read-only memory (ROM), and the data transfer processing procedure (
program), processing procedures for accessing the RAM 13, etc. are stored therein. The RAM 13 is a writable and readable memory, and stores transmission data and the like. The communication unit 14 controls transmission and reception of transmission data. Display section 15
Displays various information during transmission. The input section 16 is used by the operator to select processing contents.

17 is an external storage device that stores data and the like.

Furthermore, like the computer 5, the mobile terminal device 10 has a central processing unit 21, and includes a ROM 22, a RAM 23, a communication unit 24, a display unit 25, and an input unit 26, which are controlled by the central processing unit 21. There is.

The relationship between the external storage device fft17 of the computer 5 and the RAM 23 of the mobile terminal device 10 will be explained with reference to FIGS. 2(a) and 2(b).

In FIG. 2(a), 31 is a storage medium such as a floppy disk installed in the external storage device 17. As shown in FIG. 32 is an internal storage section of the storage medium 31, which is divided into blocks l to m. In FIG. 2(b), 41 is the memory layout of the RAM 23 in the mobile terminal fliIO during program execution. 42 shows the memory layout 41 in blocks divided from 1 to n.

Next, the operation of the above embodiment will be explained.

When power is applied to the computer 5, the CPU II switches to the ROMI2.
The contents of the initial processing procedure are read from the external storage device 17 and a message to the operator is displayed on the display section 15.

On the other hand, when the mobile terminal device 10 is energized, the CPU 21 reads out the initial processing contents from the ROM 22 and displays a message for the operator on the display section 25.

The operator can input a command for data transmission via the input section 16 or input section 26 in accordance with the message on the display section 15.25, and the data transmission from the computer 5 to the mobile terminal device IO and the・Terminal device 10
Two types of commands for data transmission from to the computer 5 can be input.

From the input unit 26, data in block i (0≦i≦m) of external storage device #L17 of computer 5 is transferred to block j (0≦j≦n) of RAMZ3 of mobile terminal device IO. When the command is input, the CPU 21
receives the command from the input section 26 and sends it to the communication section 24.
Request to transfer the data of the corresponding block.

The communication unit 24 transmits the transmitted message to the communication unit 14, and the communication unit 14 sends the received message to the CPU II. After decoding the message and recognizing the request, CPU II reads the data of block i of external storage device 17 accordingly. The CPU II requests the communication unit 14 to transmit the data of block i. The communication unit 14 transmits the data of block i to the communication line M.
The communication unit 24 receives and sends the data of block i to the CPU 21. The CPU 2 stores the received block i data in the block j area of the RAM 23, and requests the display unit 25 to display message information indicating that data transmission has been completed.

The display unit 25 displays the message and waits for the operator to input the next command. The above is how data in the external storage device 17 of the computer 5 is transferred to the RAM of the mobile terminal device 10.
This is an example of the operation when transferring to 23.

On the other hand, mobile terminal equipment! When transferring data in block j of RAM 23 of No. 10 to block i of external storage device 17 of computer 5, CPU 21 receives an instruction from input unit 26, and after RAM 23 sends data of block j, The communication unit 24 is requested to transmit the data of block j and a message instructing the data to be transferred to the corresponding block. The communication unit 24 transmits the received message to the communication unit 14, and the communication unit 14 decodes the received message and recognizes the request, and then stores the received data of block j in the external storage device 17 according to the request. Store in block i. The CPU II instructs the communication unit ]4 to send a message that the data transfer has been completed. The communication unit 14 transmits a message to the communication unit 24 via the communication line M, and the communication unit 24 transmits the received message to the CPU 21. The CPU 21 decodes the received message and requests the display unit 25 to display message information indicating that data transmission has been completed, and the display unit 25 displays the message. Then, it enters a state of waiting for input of the next command from the operator.

The above is an example of the operation when data in the RAM 23 of the mobile terminal device 10 is transferred to the external storage device f17 of the computer 5.

Furthermore, the data of the computer 5 can be transferred to an external storage device!
7 storage data as well as ROM12 (transmission only)
, the data stored in the RAM 13 can be stored in the same way as above. Further, data stored in the mobile terminal device IO can be transferred not only to the RAM 23 but also to the data stored in the ROM 22 (transmission only).

Effects of the Invention As is clear from the embodiments described above, the present invention makes the unit of access to the storage section and commands the same in the mobile terminal device connected to the computer, and furthermore, the transmission procedure and commands are the same for both the computer and the mobile terminal device. It is equipped with a function processing means for the access procedure of the storage section, and has the advantage of being able to easily check and change the contents stored in the mobile terminal device and the computer.

In particular, it has the advantage that the storage contents of the computer storage section are controlled as an external storage device of the mobile terminal device, and the storage contents of the computer can be freely controlled, that is, checked and changed, from the mobile terminal device. have

[Brief explanation of the drawing]

FIG. 1 is a block diagram showing the configuration of an embodiment of the digital communication device of the present invention, and FIG. 2 is a diagram for explaining the relationship between the external storage device of the computer and the RAM of the mobile terminal device. Yes. 5...Electronic computer, 10...Mobile terminal device, 11.
...Central processing unit, 13...RAM, 14...Communication section, 15...Display section, 16...Input section, 17...
External storage device, 21...Central processing unit, 22...R
OM, 23...RAM, 24...Communication department, 25...
・Display section, 26... Input section, 3I... Storage medium, 3
2... Internal storage section, 41... Memory layout,
42...Block, M...Communication line. Agent: Patent attorney Akira Koebushi and two others (Figure 1, Figure 2, Cb)

Claims (1)

[Scope of Claims] An electronic computer equipped with a functional processing means for a transmission procedure and a memory access procedure, and a unit for accessing an internal storage section, which is also equipped with a functional processing means for a transmission procedure and a memory access procedure in the same manner as above. A digital communication device comprising: a mobile terminal device having the same command as the electronic computer; and communication means for connecting the electronic computer and the mobile terminal device.