JPH0522613A - Facsimile equipment - Google Patents

Abstract

PURPOSE:To prevent the leakage of the held information by storing the history of the ID code that is misinputted by a misinput ID information storage means and performing the display and the warning to a user based on the stored history. CONSTITUTION:A CPU (misinput detector means, counter means) 1 is provided together with a ROM 2, a RAM (misinput ID information storage means) 3, an operating part (display means) 4, a scanner 5, a plotter (report output means) 6, a DTMF (dual tone multifriquency) receiver (ID code detector means) 7, an NCU network control part (circuit interruption means) 8, a MODEM 9, a system bus 10, a real-time lock (timer detector means) 11, etc. The ID code inputted from a circuit L is confirmed by the receiver 7 via the NCU 8, and the input date and the history of the ID code which is transferred and misinputted by the CPU 1 are stored in the RAM 3. Based on the storage of the RAM 3, the display is carried out at the part 4 or the warning is given from the plotter 6.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a facsimile machine, and more particularly to a facsimile machine which is operated by using a remote control function by shifting to a remote control mode by inputting a unique ID code from a destination.

[0002]

2. Description of the Related Art Recently, multifunctional functions of a facsimile machine have been developed, and various functions can be provided by a predetermined DT from a telephone machine on the go.
A remote control function that can be controlled by sending an MF (Dual Tone Multifrequency) signal (hereinafter,
Many have a remote control function).

For example, a tone detection device is provided in a facsimile machine, and it is possible to instruct transfer, image information retrieval, telephone number list retrieval, etc. from outside by using a touch-tone telephone or the like. Since the user is restricted so that only a specific person can operate the facsimile device from outside, the unique ID code registered in advance and the ID code input from a touch-tone phone are used. If they do not match, the remote control function cannot be used.

When another person tries to steal information in the facsimile apparatus by using the remote control function and inputs an incorrect ID code several times, the ID registered by the user is registered.
There is one that protects facsimile information by taking measures such as not operating the remote function until the code is changed (Japanese Patent Application No. 2-192212).

[0005]

However, in such a conventional facsimile apparatus, it is necessary for the user to determine when and what kind of ID code was input to take the action to stop the remote control function. I don't know
There was a problem that hacker countermeasures would be delayed because it was not possible to clearly recognize whether it was caused by the user's mistaken input or by another person.

The present invention has been made in view of the above-mentioned conventional problems, and when an ID code is erroneously input, the date and time, the ID code erroneously input, etc. are stored and the contents are reported. As a printout, or by displaying it on the display unit to inform the user of the fact of erroneous input, it provides a function to prompt measures such as hacker countermeasures and protects personal information and company information in the facsimile machine from hackers. It is an object of the present invention to provide a facsimile machine capable of performing the above.

[0007]

The invention according to claim 1 is
ID to detect a predetermined ID code input from the other party
Facsimile apparatus that shifts to a remote control mode and enables its own remote control function to the other party when the input ID code matches the ID code stored by the code detection means In erroneous input detection means for detecting erroneous input of the ID code, erroneous input ID information storage means for storing the history of the erroneously input ID code, and an ID code based on the erroneous input ID information storage means. The present invention according to claim 2, further comprising: an erroneous input ID display warning means for displaying to the user that there has been an erroneous input
The erroneous input ID display warning unit counts the number of erroneous input of the ID code, and a line disconnecting unit that disconnects the line when the erroneous input of the ID code reaches a predetermined number or more.
The invention according to claim 3 is characterized in that the history of the erroneously input ID code is used as the erroneous input ID display warning means. The invention according to claim 4 is characterized in that report output means for printing and outputting as a report is provided, and when the ID code input from the other party is incorrect, a predetermined time has elapsed since the ID code was input. If a correct ID code is not input within a predetermined time, a timer detection means for detecting whether or not a correct ID code is re-input is provided, and if the correct ID code is not input within a predetermined time, it is determined as an erroneous input by another person and a warning operation is performed to the user If the correct ID code is input within the predetermined time, it is determined that the user has made an incorrect input and the warning operation is not performed.

[0008]

According to the first aspect of the present invention, the history of the ID code erroneously input by the erroneous input ID information storage means is stored, and based on the history, it is displayed to the user to give a warning, so that the time and date of the other party It is possible to know whether such an ID code has been input, and quickly take countermeasures against hackers to prevent leakage of information held by the facsimile device.

According to the second aspect of the present invention, as the warning means by the erroneous input ID code of the first aspect, the counting means counts the number of erroneous input of the ID code, and when the erroneous input exceeds a predetermined number, the line disconnecting means is used. Cut off the line and display the ID on the display
By displaying that the code was erroneously input, the user confirms that the ID code was erroneously input. In the invention according to claim 3, as a warning means in claim 1 or 2, by printing out a report in which the history of the erroneously input ID code is printed out, the history of the erroneously input ID code can be more surely and clearly provided to the user. Is displayed to warn.

According to another aspect of the present invention, when the correct ID code is not re-input within a predetermined time from the time when the first ID code is erroneously input by using the timer detecting means, it is judged as hacking by another person and the user is informed. If a warning is given and the correct ID code is input within the time, it is determined that the user has made an erroneous input, and the warning is not given to distinguish the two.

[0011]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below with reference to the drawings. 1 to 3 are diagrams showing an embodiment of a facsimile apparatus according to the present invention. FIG. 1 is a block diagram of a facsimile apparatus. The facsimile apparatus includes a CPU (erroneous input detection means and counting means) 1, a ROM 2, a RAM (erroneous input ID information storage means) 3, an operation unit (display means). ) 4, scanner 5, plotter (report output means) 6, DTMF receiver (ID code detection means) 7, NCU (network control unit-
A line connection / disconnection means) 8, a modem 9, a system bus 10, a real-time lock (timer detection means) 11 and the like are provided.

The CPU 1 executes the sequence of the entire facsimile apparatus in accordance with the program stored in the ROM 2 and also executes the protect processing at the time of remote control which will be described later. The ROM 2 stores a program for executing the sequence of the facsimile apparatus and also executes a protect processing program for remote control.

The RAM 3 has a work area for the CPU 1 to execute each program, and also stores data such as the telephone number and name of the other party when registering the one-touch dial or speed dial in the facsimile device, It also stores an ID code for shifting to a remote control mode (hereinafter referred to as remote control mode). Further, in the present embodiment, the ID code that is erroneously input and the history of the input date and time are stored.

The operation unit 4 is equipped with various switches such as a one-touch key for inputting a command signal relating to various transmission information and a ten-key for registering a destination, and transmits a command signal input by an operator to each unit. Then, the operation unit 4 can register and confirm the ID code for shifting to the remote control mode, and further displays the fact that the ID code is erroneously input and displays the ID code to warn the user. It also serves as a display means.

The scanner 5 is, for example, a CCD (Char
A line scanner using a ge coupled device) is used, and the scanner 5 reads a document to be transmitted line by line at a predetermined resolution and outputs it as image data.
As the plotter 6, for example, a thermal recording device using a thermal element is used. In the present embodiment, the plotter 6 records the received image information, the history of erroneous input IDs, etc. on the thermal recording paper directly or indirectly on the thermal recording paper via the ink sheet.

The DTMF receiver 7 is a DTMF (Dual Tone Multifrequenc) input through the public telephone line L.
y) Recognize the type of tone and transfer the content to the CPU 1. The network control unit (NCU) 8 is connected to the public telephone line L, and executes a communication procedure necessary for communication with the partner terminal during transmission / reception. For example, connection and disconnection with a line, line current detection, or dial tone detection is performed.

The modem 9 modulates and demodulates an image signal for transmitting and receiving data between facsimile machines connected via a line. The system bus 10 is a data path for exchanging data between the respective units of the facsimile apparatus. The real-time clock 11 provides date and time information, and in the present embodiment, it detects whether a correct ID code is re-input within a predetermined time after an ID code is erroneously input.

Next, the operation will be described. The facsimile apparatus of this embodiment is characterized in that when an erroneous input of an ID code is detected, the history of the ID code is stored and the stored history of the erroneously input ID code is displayed to the user to warn the user. There is. Hereinafter, a processing operation for giving a warning to the user when the ID code is erroneously input will be described with reference to the flowchart of FIG.

Now, an operation will be described in which an operator at an outing place sets the facsimile device in the remote control mode using a facsimile terminal or a telephone to enable the operation of the facsimile device at the outing place. As shown in FIG. 2, if the remote control mode is started, step 10
In step 1, the reception of the predetermined ID code by the DTMF signal is waited for a certain time, and in step 102, when the time is not over, the process returns to step 101 again.

When the ID code is received in step 101, the process proceeds to step 103. In step 103, when the received ID code matches the prestored ID code, CUP1 is judged to be the correct ID code,
Move on to DTMF from the other party as remote control mode.
A function as described below is executed according to a predetermined remote control mode command signal transmitted by a signal.

As the remote control function, for example, a received image signal is stored in a memory and an on / off operation of a transfer function for transferring the received image signal, an on / off operation for storing the received image signal in the memory, and a transfer destination There is a change operation, etc., and a remote control operation is possible from a facsimile machine or a telephone at a destination. After these remote control operations are completed, the network control unit 8 disconnects the line (step 105).

In step 103, the received I
If the D code does not match the ID code stored in advance,
That is, if the ID code is erroneously input, step 10
Go to 6. In step 106, the erroneously input ID code is stored in the RAM 3. Further, in step 107, the date and time when the ID code of step 106 is input is similarly stored in the RAM 3.

Then, the fact that the ID code is incorrect is notified to the other party performing the remote control by using a tone or voice (step 108).
). In step 109, the real-time clock 11 monitors whether or not a predetermined time has elapsed since the first ID code was received. If the time is not over,
In step 110, it is checked whether the ID code is erroneously input more than the specified number of times. If the number of erroneous inputs is less than the specified number of times, the process returns to the ID code reception standby state in step 101.

If the time is over in step 109, or if the ID code is erroneously input more than the specified number of times in step 110, the process proceeds to step 111 and the network control unit 8 disconnects the line. Then, in step 112, a display indicating that the ID code is erroneously input is displayed on the display provided in the operation unit 4, and the data such as the ID code erroneously input using the plotter 6 and the date and time when the ID code was input are displayed. Is read out from the RAM 3, printed on paper, and a report is output (step 113).

FIG. 3 is a diagram showing an example of an erroneous ID input notification report in this embodiment. As shown in FIG. 3, since the input incorrect ID and the date and time when the ID is input are printed on the report, the input status of the incorrect input ID code can be grasped at a glance. As described above, when the ID code for using the remote control function of the facsimile apparatus is erroneously input from the outside, the facsimile apparatus according to the present exemplary embodiment has an erroneous input count of not less than the specified number of times. If the correct ID code is not re-entered within a predetermined time after the erroneous input, the hacker determines that the personal information or company information in the facsimile device is stolen using the remote control function. ,
This is displayed on the display unit and a report is output. As a result, the user can grasp the erroneous input status of the ID code, so that the ID code can be changed or the remote function can be turned on.
By performing FF, it is possible to promptly take measures against a hacker, protect the stored information in the facsimile device, and improve the reliability of the device.

On the other hand, if the user himself presses the ID code and makes a mistaken input, the correct ID code can be immediately input again. If the ID is input, it can be determined that the user has made a mistake in pressing and can be clearly distinguished from an erroneous input by a hacker. Further, in the present embodiment, in addition to the above limitation on the number of times, the user can immediately re-correct the correct ID code, so that it is possible to distinguish the two by limiting the re-correction time. In other words, if the correct ID code is not entered within the specified time, it is determined that it was a hacker, and the ID
It is possible to display that there is an erroneous input of the code and output a report, and the user can accurately and surely grasp the erroneous input state of the ID code and take countermeasures.

[0027]

According to the first aspect of the invention, the history of erroneously input ID codes is stored, and the history is displayed to the user to warn the user, so that the erroneous input status of the ID code can be grasped. Therefore, quick countermeasures can be taken to protect the information stored in the facsimile device from an unspecified number of operators, and the reliability of the facsimile device can be improved.

According to the second aspect of the invention, when the ID code is erroneously input more than the specified number of times, it is determined that the ID code is erroneously input by a person other than the user, and the line is disconnected. By displaying the error input by the user, it becomes possible for the user to accurately grasp the error input status of the ID code, and a countermeasure can be taken. According to the invention described in claim 3, as the warning means according to claim 1 or 2, since the report in which the history of the erroneous input ID code is printed is output, the user can surely and clearly identify the erroneous ID code. It is possible to notify the input status, and appropriate measures can be taken.

According to the invention described in claim 4, when the correct ID code is not re-input within a predetermined time after the incorrect input of the ID code, it is determined that the ID code is incorrectly input by a person other than the user. , If there is a correct input within the predetermined time,
It is possible to judge the user's mistaken input by mistakenly distinguishing the two, and appropriately display or warn the user.

[Brief description of drawings]

FIG. 1 is a block diagram showing the overall configuration of an embodiment of a facsimile apparatus according to the present invention.

FIG. 2 is a flowchart illustrating a processing operation when an ID code is erroneously input according to an embodiment.

FIG. 3 is a diagram illustrating an example of an erroneous ID input notification report according to an embodiment.

[Explanation of symbols]

1 CPU (erroneous input detection means, counting means) 3 RAM (erroneous input ID information storage means) 4 Operation unit (display means) 6 Plotter (report output means) 7 DTMF receiver (ID code detection means) 8 Network control unit (line connection / disconnection means) 11 Real-time clock (timer detection means)

─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. ⁵ Identification number Internal reference number FI Technical indication H04N 1/00 106 Z 4226-5C 1/32 Z 2109-5C

Claims (4)

[Claims] 1. A remote control mode is entered when an ID code detecting means for detecting a predetermined ID code input from the other party and the input ID code and the ID code stored by the user match. In a facsimile apparatus that enables its own remote control function to the other party, an erroneous input detecting means for detecting an erroneous input of the ID code, and an erroneous input for storing a history of the ID code that has been erroneously input. ID
A facsimile comprising: an information storage means; and an erroneous input ID display warning means for displaying to the user a warning that an erroneous input of an ID code has been made based on the erroneous input ID information storage means. apparatus. 2. The erroneous input ID display warning means includes: counting means for counting the number of erroneous input of the ID code; line disconnecting means for disconnecting the line when the erroneous input of the ID code reaches a predetermined number or more; 2. The facsimile apparatus according to claim 1, further comprising: a display unit that displays that the code has been erroneously input. 3. The facsimile apparatus according to claim 1, wherein the ID display warning means includes a report output means for printing a history of an erroneously input ID code and outputting it as a report. 4. A timer detecting means for detecting whether or not a correct ID code is re-input within a predetermined time from the time when the ID code is input when the ID code input from the other party is wrong. , If there is no correct ID code input within the predetermined time, it is judged as an incorrect input by another person and a warning action is given to the user.
4. The facsimile apparatus according to claim 1, 2 or 3, wherein when the correct ID code is input within a predetermined time, it is determined that the user has made an incorrect input and the warning operation is not performed.