JPS62183271A - Communication equipment - Google Patents

Abstract

PURPOSE:To secure the content of a transmitted data from being known by a third person even when a specific user on the reception-side is not at the equipment by providing a means to detect a confidential code from a reception data, a storing means, a calling means, and a controlling means. CONSTITUTION:An operator on the transmission-side transmits a sound signal requesting for that an operator on the reception-side will transmit within a certain time the code of a password number that specifies a particular user at the destination of the confidential transmission by means the push-button of an attached dual tone multi-frequency code DTMF type telephone set. On the reception-side, when a DTMF detecting circuit 7 detects the pass word, a called identification CED signal is transmitted to the transmission-side, and then the function passed by the equipment on the reception-side is informed to the opposite. The transmission-side equipment specifies a desired mode of communication to the reception-side. When the reception is ready, the READY is informed to the transmission-side by means of a CFR(reception-ready confirmation) signal. The reception-side equipment receives a picture data, however, differing from the case of usual reception, the received picture data is stored in a nonvolatile memory 10 without outputting a recording.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a communication device such as a facsimile machine.

[Prior Art] As an example of a communication device, a conventional facsimile device is generally configured to directly record and output all received image data at the same time as it is received.

[Problems to be Solved by the Invention] However, according to such a configuration, when a device user on the sending side wants to send image data confidentially to a specific user on the receiving side, the device user on the receiving side Because there is a risk that the image data will be viewed by three parties, the sending user must contact the user to whom the confidential communication is intended by phone, call him to the receiving device, and send the data. There was the inconvenience of having Further, in this case, there is a problem that the confidential communication cannot be sent when the user who is the destination of the confidential communication is not near the device or cannot take his hands off the device due to work.

Similarly, other conventional communication devices generally output all received data as is at the same time as they are received.
There are problems like the ones above.

[Means for Solving the Problems] In order to solve the above-mentioned problems, the communication device according to the present invention includes a code that designates a specific user of the communication device as the destination of confidential communication from the received data. a means for detecting, a storage means for storing received data to which the code has been added, and a means for driving a call notification means attached to a user indicated by the detected code to call the user; A configuration is adopted in which a control means is provided for outputting the received data in the storage means in response to an operation input of the same code as the detection code.

[Operation] According to such a configuration, when communication data to which a code indicating a specific user as the destination of confidential communication is added is received, the code is detected and the received data is stored in the storage means. Ru. Then, in response to the detection of the code, the call notification means attached to the user indicated by the code is activated to call the user. When the called user inputs his or her instruction code, the received data in the storage means is output. If the user keeps his instruction code secret, a third party cannot output the received data in the storage means.

[Embodiments] Details of embodiments of the present invention will be described below with reference to the attached drawings.

FIG. 1 shows a schematic configuration of a facsimile machine employing the present invention.

Reference numeral 1 indicates an NCU (network control unit), and the line is switched between a modem (modulator/demodulator) 2 that modulates and demodulates transmitted and received signals and an attached telephone set T by this NCU Io.

A control unit 3 made up of a microcomputer is connected to the modem 2, and this control unit 3 controls the entire device and encodes image data.

Decryption etc. are performed.

The control unit 3 includes a recording unit 4 composed of a thermal recording device and the like.
A reading section 5 composed of a CCD sensor etc. is connected to the reading section 5, and a recording section 4 records the received image.
The reading unit 5 reads the transmitted image.

Further, the control unit 3 is connected to an operation unit 6 which includes a keyboard for inputting operations and a display unit such as a liquid crystal display. controls the entire device and performs various operations related to image transmission and reception.

That is, when a document image is transmitted under the control of the control section 3, the document image is read by the reading section 5, and one image data is sent to the control section 3.
The signal is encoded by the modem 2, modulated by the modem 2, and sent to the line via the NCUI.

Further, when receiving an image, an image signal sent from the line via the NCUI is demodulated by the modem 2, decoded into image data by the control section 3, and an image is recorded by the recording section 4 in accordance with this data.

The configuration of the parts described above is the same as the conventional one. In this embodiment, in addition to the above-described configuration, a DTMF detection circuit 7 is provided between the NCU1 and the control section 3. DTMF
Detection circuit 7 detects DTM from 5 to a DTMF (Dual Tone Multi-Frequency Code) button telephone attached to the other party's sending device when receiving a confidential communication to be described later.
Detects the PIN code sent in the F signal that designates the specific user who is the confidential destination.

In addition, the control unit 3 includes a well-known ROM (read only memory) 8 that stores control programs, etc., a RAM (random access memory) 9 that is used for temporarily storing various data, and a RAM (random access memory) 9 that is used for confidential communication. A large capacity non-volatile memory 10 is provided for storing received image data.

Furthermore, in this embodiment, when receiving a confidential communication, a known pager is used to call the specific user who is the confidential destination indicated by the PIN code received in the above-mentioned DTMF signal to the device. A transmitter 11 is connected.

Furthermore, in this embodiment, a plurality of pager receivers 12A to 1 shown in FIG.
22 is provided to each of a plurality of users of the facsimile machine.

In this embodiment, based on the above configuration, the PIN number of the confidential communication is detected using the above-mentioned DTMF signal prior to the normal pre-procedure at the time of reception, and when the PIN number is detected, the subsequently received image is The data is stored in the nonvolatile memory 10 without being output. At the same time, a radio wave having a frequency that activates the pager receiver attached to the specific user specified by the password is transmitted by the pager transmission fill to call the specific user. and,
The called user inputs a password using the keyboard of the operation unit 6, and if it matches the previously received and detected password, the received image data in the nonvolatile memory 10 is recorded and output.

Next, details of the operation during such confidential communication will be explained with reference to FIGS. 3 and 4. Note that FIG. 3 is an explanatory diagram of the confidential communication procedure with the device of this embodiment as the receiving side, and FIG. 4 is a flowchart of the control procedure at the time of reception by the control unit 3 in FIG. mode.

In addition, both the sending and receiving devices are group 63 according to Recommendation T30 of ccrtT (International Telegraph and Telephone Consultative Committee).
The telephone attached to the sending device is a DTMF button telephone.

As shown in FIG. 3, the sending side first sends the original to be sent, and then sends a call signal to the receiving side by dialing the telephone.

When the calling signal arrives on the receiving side, the timer is switched from the telephone T to the facsimile machine, and
The control section 3 starts the control shown in FIG.

First, in step S1 of FIG. 4, the operator on the calling side sends a pin code specifying the specific user to whom the confidential communication is to be sent to the receiving side within a certain period of time using the button on the attached DTMF telephone. Sends out a signal sound to prompt. This signal tone is used by the CHD (Called Station Identification) to notify the transmitting operator of the receiving side's response, which will be sent first in the pre-procedure described later.
Choose a frequency that will not be mistaken for a signal. Also, instead of this signal sound, a voice message explaining the information to the transmitting operator may be sent.

In response to this, if the operator on the transmitting side intends to conduct confidential communication, he or she operates the button on the telephone to transmit the password as shown in FIG. 3.

On the other hand, on the receiving side, the control unit 3 detects the PIN number by the DTMF detection circuit 7 for the predetermined period of time in step S2 following step S1 in FIG. 4, and then in step S3.
It is checked whether or not the PIN number has been detected. If not, the normal receiving operation is performed, and if the PIN number is detected, the PIN number is stored in the RAM 9 or the like, and the process proceeds to step S4.

In step S4, a known pre-communication procedure is performed.

That is, as shown in FIG. 3, after first sending the above-mentioned CHD signal to the transmitting side, the
(Called Station Identification) signal, DIS (Digital Identification) signal, etc. to inform the transmitting side of the functions of the receiving side device.

In response to this, the sending device uses NSS (non-standard device settings).
A signal, a TSI (transmitting station identification) signal, and a DC3 (digital command) signal are sent to the receiving side to instruct the receiving side on the desired communication mode, and then a training signal and a TCF (
) Training check) Sends a signal to make the receiving side prepare to receive the message image data, and waits for the preparation to be completed.

When the receiving side completes reception preparation, it notifies the transmitting side using a CFR (reception preparation confirmation) signal.

In response to this, the transmitting side transmits the message image data after the training signal.

The receiving side receives the image data, but as shown in step S5 in FIG. The data is stored in the non-volatile memory 10.

As shown in FIG. 3, when the end of the image data is known by the transmission of an EOM (end of message) signal from the transmitting side, the control section on the receiving side performs a known post-procedure in step S6 of FIG. As shown in Figure 3, if the message image data is successfully received, an MCF (message confirmation) signal is sent to notify the calling party, and in response, a DCN (disconnect command) signal is sent from the calling party. In response to this, the line is switched to the 'it' phone T side and the communication is terminated.

Subsequently, in the 41st step S7, the receiving side control [83 drives the pager calling transmitter 11 by referring to the password data previously stored in the RAM 9, and uses the password as instructed. Pager reception file attached to the person
A radio wave is transmitted to make any one of 2A to 12Z ring, and the corresponding pager receiver is made to ring to notify the user that a confidential image has been received and call the user.

Next, in step S8, the system waits for the user who has been called up by the ringing to input a password using the ten keys on the keyboard of the operating section 6.

When the input of the PIN number is completed, the process proceeds to step S9, where the PIN input in step S8 is received first and stored in the RAM 9.
It is checked whether the PIN number matches the one stored in the non-volatile memory 10, and if it does not match, the process returns to step 2 S8; if it matches, the process proceeds to step SIO, where the image data previously stored in the non-volatile memory 10 is stored. Record output and end the control.

As described above, according to this embodiment, the user who is the destination of the confidential communication is called by the ringing of the pager receiver, and therefore is reliably notified that the confidential communication addressed to him/her has been received. Furthermore, by inputting his or her personal identification number, the user can view the received image addressed to him or herself without being seen by a third party. If the user keeps his or her personal identification number secret, a third party cannot output the received image data in the nonvolatile memory 10.

In addition, there is no need for the operator on the sending side to contact the confidential destination user on the receiving side, and even if that user is not near the receiving device at the time of communication, the transmitted image can be transferred to a third party on the receiving side. can be sent without being seen.

In the above configuration, the sender sends the PIN number using the attached DT or MF telephone, but instead, the PIN number is sent by operating the numeric keypad on the keyboard provided on the operation unit of the sender device. In that case, instead of the DTMF detection circuit 10, a circuit for detecting signals from the numeric keypad or the like may be provided on the receiving side.

It goes without saying that the configuration related to confidential communication as described above can also be applied to communication devices other than facsimile devices.

[Effects] As is clear from the above description, the communication device of the present invention includes means for detecting a code from received data that designates a specific user of communication as the destination of confidential communication, and the code is added. storage means for storing received data, means for driving a call notification means attached to a user indicated by the detected code to call the user; Accordingly, a configuration is adopted in which a control means is provided to output the received data in the storage means, so that the device of the present invention can be used as a receiver and the transmitter can perform confidential communication with a specific user on the receiver as the destination,
In that case, the transmitting side operator does not have to deal with the specific user at the destination, and even if the specific user is not on the receiving side, the third party on the receiving side does not know the contents of the transmitted data and sends the data. can be done.

[Brief explanation of drawings]

FIG. 1 is a block diagram showing the configuration of a facsimile machine according to an embodiment of the present invention, FIG. 2 is an explanatory diagram of a pager receiver that rings when the pager calling transmitter in FIG. 1 makes a call, and FIG. 3 4 is an explanatory diagram of confidential communication means with the apparatus of this embodiment as the receiving side, and FIG. 4 is a flowchart showing the control procedure during confidential reception by the control section in FIG. 1.

Claims (1)

[Claims] means for detecting a code indicative of a specific user of a communication device as a destination of a confidential communication from received data; storage means for storing received data to which the code is added; means for driving an attached call notification means to call the user;
A communication device comprising: a control means for outputting received data in the storage means in response to an operation input of the same code as the detection code.