JPH02153677A - Facsimile equipment - Google Patents

Abstract

PURPOSE:To perform confidential communication between the facsimile equipment of different manufacturers by providing a setting means which sets a mode to perform the confidential reception of a reception image compulsorily at a receiver side. CONSTITUTION:Firstly, a confidential reception selection key 38 is depressed by an operator when the confidential reception is performed, and a pulse signal is outputted. A display circuit 40 repeats the lightening and lights-out of a display part based on the pulse signal from the confidential reception selection key 38. When it is judged that the confidential reception is selected judging from the state of the confidential reception display circuit 40 based on the operation of the confidential reception selection key 38, the mode is set at a state where an image memory circuit 22 is operated, and confidential reception is performed, and the state where a confidential reception presence/absence display circuit 42 is lightened is set. And the mode is set at the one not performing the confidential reception necessarily when one time of communication is completed. In such a way, it is possible to perform the confidential communication even between the facsimile equipment of different manufacturers.

Description

[Detailed description of the invention] [Industrial application field 1 The present invention relates to a facsimile device.

[Prior Art] Facsimile machines capable of performing confidential communications have been known.

Confidential communication means that the received manuscript is not output immediately.
- The information is stored in a memory (confidential box), and only the recipient who knows the password can output the received document, thereby maintaining the confidentiality of communication. There are two types of passwords: one is to register each mailbox on the receiver side, and the other is to specify the password from the transmitter side. Note that in the following explanation, a password can be registered for each confidential box on the receiver side, and the user on the receiver side can enter the box number and password for that box to access confidentially received information. It shall be possible to output.

Furthermore, when changing the password, it can be done by inputting the current password and then inputting the new password.

When performing confidential communication, a signal indicating a non-standard device (NSF
signal) notifies the transmitter that it has the function of performing confidential reception. Here, when the transmitter is specified to perform confidential transmission, after confirming that the recipient's receiver has the function to perform confidential reception, it is necessary to disable confidential transmission and the box number. It is specified to the receiver by the standard device setting signal (NSS signal). After this, confidential transmission is performed.

[Problem to be solved by the invention] However, in the above-mentioned conventional technology, NSF/
Since signals representing non-standard functions such as NSS/NSC were used to declare the presence or absence of the confidential reception function and specify whether or not to conduct confidential communication, confidential communication was only possible between facsimile machines of the same manufacturer, and The drawback was that confidential communication was not possible with the manufacturer's facsimile machine.

Furthermore, there is a drawback that the designation of conducting confidential communication can only be made from the transmitter side.

According to the present invention, confidential communication can be performed between facsimile machines of different manufacturers.

Another object of the present invention is to provide a facsimile device in which confidential communication can be specified from the transmitter side.

[Means for Solving the Problems] The present invention is characterized in that a facsimile apparatus having a confidential reception function includes a setting means on the receiver side for setting a mode in which received images are forcibly received in a confidential manner.

[Operation] By forcibly setting the confidential reception mode on the receiver side, the received images will be received confidentially regardless of the settings on the transmitter side or the manufacturer of the transmitter. That will happen. Therefore, confidential communication can be performed even between facsimile machines of different manufacturers, and the user on the receiver side can select confidential reception according to his/her convenience.

[Example] FIG. 1 is a block diagram showing an embodiment of the present invention.

The facsimile apparatus according to this embodiment is configured to forcibly execute confidential reception on the receiver side, and has the following three methods as specific methods for this confidential reception.

(1) A method of forcibly receiving confidential reception only once from now on (hereinafter referred to as the first method).

(2) A method of specifying two times and forcibly receiving confidential reception between these times (hereinafter referred to as the second method).

(3) Enter the phone number of the other party for confidential reception.

A method of checking the TSI (transmitting terminal identification signal) sent from the other party and forcibly performing confidential reception when the last four digits of the telephone number match (hereinafter referred to as the third method).

By adopting this method, it is possible to perform confidential reception without using non-standard signals, and therefore, it is possible to perform confidential reception even when receiving from a facsimile machine made by another manufacturer. It becomes possible.

In addition, since the sending side can perform confidential reception as appropriate, for example, if someone from another company is in the company using this facsimile machine, by selecting confidential reception, you can accidentally receive information from another company. Even when documents are sent that would be inconvenient for others to see, they are not printed out casually, and confidentiality can be maintained.

In order to perform the above-mentioned confidential reception, this facsimile machine is equipped with confidential boxes numbered 0 to 9#, and the passwords corresponding to these confidential boxes are registered in advance. To output information, input the box number and the corresponding password.

Next, each component of this facsimile machine will be explained.

In order to use the telephone network for data communication, etc., the NCU (network control unit) 2 connects to the terminal of the line, controls the connection of the telephone exchange network, switches to the data communication path, and controls the loop. It is used to maintain the Also, N
If the signal level from the control circuit 30 is O, the CU 2 connects the telephone line 2a to the telephone 4 side, and if the signal level from the control circuit 30 is 1, the telephone line 2a is connected to the facsimile machine side (first In the normal state, the telephone line 2a is connected to the telephone 4 side.

The hybrid circuit 6 separates the transmission system signal and the reception system signal, sends the transmission signal from the addition circuit 16 to the telephone line 2a via the NCU 2, and transmits the signal from the other party to the NCU 2.
The signal is sent to the V29 demodulator 20 and the V21 demodulator 18 via the V29 demodulator 20 and the V21 demodulator 18.

The reading circuit 8 sequentially reads image signals corresponding to 1 life in the main scanning direction from the transmitted original, and creates a signal train representing binary values of white and black. It consists of a system.

The encoding circuit 10 encodes read data (MH (Modified Huffman) encoding or MR (Modified Read) encoding).

The V 27 ter or V 29 modulator 12 is a known C
CITT recommendation V27ter (differential phase modulation) or v2
9 (orthogonal modulation).

V21 modulator 14 (i known (7) CCI TT Recommendation V2
It is a modulator that performs modulation based on 1, and the control circuit 30
It modulates the procedural signal from.

Addition circuit 16 is a circuit that adds the outputs of modulators 12.14.

The V21 demodulator 18 complies with the well-known (7) CCITT Recommendation V21.
It performs demodulation based on .

The V27 ter or V29 demodulator 20 is a known C
Demodulation is performed based on CITT recommendation V27ter or V29.

The image memory circuit 22 stores received data when performing confidential reception. This image memory circuit 22 is
It does not operate when the level of the memory control signal from the control circuit 30 is rQJ, and when the level of the memory control signal is rlJ, the demodulated data from the demodulator 20 is processed based on the address signal from the control circuit 30. Store in memory space. Further, when the level of the memory control signal is "2", the data stored in the corresponding memory space is supplied to the decoding circuit 24 based on the address signal from the control circuit 30.

The decoding circuit 24 includes the demodulator 20 or the image memory circuit 2
This circuit decodes (MH decoding or MR decoding) the demodulated data from 2.

The recording circuit 26 is a circuit that sequentially records the decoded white and black signals output from the decoding circuit 24 on plain paper line by line.

The operation section 28 contains numeric keypad information and "book" key information pressed by the operator.

[#] Outputs various data such as key information and function key information to the control circuit 30.

A control circuit 30 performs overall control of this facsimile machine.

Further, this facsimile apparatus has the following configuration in order to perform confidential reception from the receiving side.

First, the confidential reception selection key 38 is pressed by the operator when performing confidential reception, and outputs a pulse signal.

The display circuit 40 displays that confidential reception is to be performed. This display circuit 40 turns off a display section (not shown) at the time of initialization, and repeats turning on and off the display section based on a pulse signal from the confidential reception selection key 38.

Then, when the light is turned on, a level "1" signal is sent to the control circuit 30, and when the light is turned off, a level "0" signal is sent to the control circuit 30. Further, this display circuit 40 turns off the display section by a light-off pulse from the control circuit 30, and at this time, the level is set to "0".
The signal is sent to the control circuit 30.

The time a storage circuit 32 and the time storage circuit 34 specify two times, and when reception between these times is confidentially received,
It stores the start time a and the end time. The control circuit 30 inputs four-digit times a and b by sending write pulses to these memory circuits 32 and 34, and inputs time a and b by sending read pulses to these memory circuits 32 and 34. , b are read.

The telephone number storage circuit 36 stores the last four digits of the telephone number of the transmitter that performs confidential reception. In this embodiment, 100 telephone numbers from roOJ to "99" can be stored. The control circuit 30 writes a telephone number by sending a write pulse to the telephone number storage circuit 36. When reading a desired telephone number from the telephone number storage circuit 36, the control circuit 30 first determines the order of the telephone number. Send information indicating.

Then send a read pulse.

The display circuit 42 displays that a confidential reception has been received. When confidential reception data is stored in the image memory circuit 22, the display circuit 40 receives a level [1] signal from the control circuit 30 indicating that there is confidential reception, and turns on the display section. Further, when no confidential reception data is stored in the one-image memory circuit 22, a signal of level "0" indicating no confidential reception is received from the control circuit 30, and the display section is turned off.

The password storage circuit 41 stores passwords corresponding to confidential boxes numbered 0 to 9. When writing a password, the control circuit 30 outputs the mailbox number and its password to the signal line to the password storage circuit 41, and then sends a write pulse. When reading the password, the control circuit 30
0 outputs the confidential box number to the signal line to the password storage circuit 41 and sends a read pulse, and then reads the password output from the password storage circuit 41.

Next, a confidential reception operation in the facsimile machine having the above configuration will be explained.

In this embodiment, among the first to third methods described above, the first method is adopted if only the confidential reception selection key 38 is pressed. Further, if times a and b are set in each of the memory circuits 32 and 34, the second method is adopted, and if a telephone number is set in the memory circuit 36, the third method is adopted.

Additionally, if both times a and b and a phone number are set, the reception corresponding to that phone number will be received confidentially regardless of the set time, and other receptions will be confidential only within the set time. Receive, ie, this is an OR condition.

FIG. 2 is a flowchart showing a confidential reception operation and an output operation of confidential reception data based on the first method.

First, after turning off the CML (352), the confidential reception display circuit 40 is cleared (554), the image memory circuit 22 is set to a mode in which it does not operate (S56), and the decoding circuit 24 is set to the demodulation mode from the demodulator 20. The mode is set to take in data (358), and the reception status display circuit 42 is set to be turned off (560).

Then, from this state, when the reception operation is selected (S6
2) Turn on the CML 364) and execute the previous procedure (S66). Here, from the state of the confidential reception display circuit 40 based on the operation of the confidential reception selection key 38, it is determined that confidential reception is selected. If it is determined (368), the image memory circuit 2
2 to the operating mode (570), performs confidential reception (372), and sets the confidential reception presence/absence display circuit 42 to a lit state (374). Since the judgment is made only at the timing of receiving the first image information, even if the confidential reception selection key 38 is pressed after the first image information reception starts, the reception status does not change. When one communication is completed,
584, the mode is always set in which confidential reception is not performed. Therefore, this confidential reception is performed only once after the mode is set.

If the confidential reception mode is not set at step 368, normal reception is performed (S76).

Then, the post-procedure is executed (378), the CML is turned off (580), the image memory circuit 22 is set to a mode in which it does not operate (582), and the confidential reception display circuit 4 is set as described above.
Clear 0 (S84) and return to the reception waiting state.

Furthermore, if it is selected to retrieve the confidentially received data from the confidential box (S86).

After confirming the password etc., the image memory circuit 22
is set to a mode for outputting data (Saa), and the decoding circuit 24 is set to a mode for taking in data from the image memory circuit 22 (590), and the confidentially received data is recorded on recording paper (S92).

After this recording is completed, if other confidential reception data remains (S94), the M exhibition reception presence/absence display circuit 42 is not cleared to the off state; Confidential reception presence/absence display circuit 4
2 to the off state (598), the image memory circuit 22 is set to a mode in which it does not operate (59B), and the decoding circuit 24 is roughly set to a mode for receiving data from the demodulator 20 (5100). Return to reception waiting state.

Further, if another process is selected, the selected process is executed (5102).

FIG. 3 is a flowchart showing a highly confidential reception operation and a time registration operation in the second method.

First, after turning off the CML (3112), set the image memory circuit 22 to a mode in which it does not operate (S l 14).
, set the decoding circuit 24 to a mode for capturing demodulated data from the demodulator 20 (S l l 6), and set the confidential reception presence/absence display circuit 42 to a state where it is turned off (S118).
.

Then, from this state, when the reception operation is selected (S1
20), turn on the CML and execute the pre-procedure (5124).Next, if it is determined that the current time is between time a and time (5126), the image memory circuit 22 3128), performs confidential reception (S130), and sets the confidential reception presence/absence display circuit 42 to a lit state (5132).

Further, if it is determined in 5126 that the current time is not between time a and time a, normal reception is performed (5126).
134).

Then, the post-procedure is executed (5136), the CML is turned off (5138), the image memory circuit 22 is set to a mode in which it does not operate (5140), and the process returns to the reception waiting state.

Furthermore, if the mode for registering time a is selected in 5142, the time a is registered (5144);
If the mode for registering a time is selected in step 146, one time is registered (S148).

In addition, the output of confidential reception data and other processing (51
Steps 50 to S154) are performed in the same manner as steps S88 to S5102 in the flowchart shown in FIG. 2 above.

Further, FIG. 4 is a flowchart showing a highly confidential reception operation and a telephone number registration operation in the third method.

First, the operations from 5162 to 5174 are similar to the operations from 5112 to 5124 in FIG. 3 above.

Next, if a TSI signal is sent (S176)
, determines whether the last four digits match the last four digits of the other party's telephone number for confidential reception (5178), and if they match, performs confidential reception from 5180 onwards, and if they do not match, then 5186 for normal reception, this 31
The operations from 80 to 5192 are 5128 in Figure 3 above.
The operation is similar to that from 5140 to 5140.

In addition, in step 3194, when a selection is made to delete or register a telephone number for confidential reception, the telephone number is deleted or registered (S198). Also, output of confidential reception data and other processing are performed. (31
Steps 98 to S202) are performed in the same manner as steps 588 to 5102 in the flowchart shown in FIG. 2 above.

Note that in one or more embodiments, facsimile machines equipped with the three methods (1) to (3) above are described as specific methods for confidential reception; however, facsimile machines equipped with one of these methods Alternatively, a plurality of methods may be selected using an AND condition or an OR condition, and this selection condition may be changed as appropriate.

Further, instead of registering the telephone number for confidential reception, other information for confidential reception may be registered.

Further, for example, the configuration may be such that normal reception and confidential reception are switched for each page, and confidential reception is selected in the middle of one communication operation.

Alternatively, the receiver may simply have a means for selecting a mode in which confidential reception is performed and a mode in which confidential reception is not performed.

Alternatively, the telephone number of the receiving party may be registered in each confidential box, and it may be possible to specify which confidential box the message is to be received.

In addition, the device can be set to a mode for always confidential reception,
It may be configured to be used selectively with the above-mentioned mode in which confidential reception is performed only at a specific time.

[Effects of the Invention] According to the present invention, by forcibly setting the confidential reception mode on the receiver side, regardless of the settings on the transmitter side or regardless of the manufacturer of the transmitter. First, the received image is received confidentially.

Therefore, confidential communication can be carried out even between facsimile machines of different manufacturers, and
This has the effect that the user on the receiver side can select confidential reception according to his/her convenience.

[Brief explanation of the drawing]

FIG. 1 is a block diagram of a facsimile machine showing an embodiment of the present invention. FIG. 2 is a flowchart showing the confidential reception operation according to the first method in the facsimile machine of the same embodiment. FIG. 3 is a flowchart showing the confidential reception operation according to the second method in the facsimile machine of the same embodiment. FIG. 4 is a flowchart showing the confidential reception operation according to the third method in the facsimile machine of the same embodiment. 0...Control circuit, 2...Time a memory circuit, 4...Time a memory circuit, 6...Telephone number memory circuit, 8...Confidential reception selection key 0.42...Display circuit , l...Password storage circuit.

Claims (4)

[Claims] (1) A facsimile device having a confidential reception function, characterized in that the receiver side has a setting means for setting a mode in which received images are forcibly received in a confidential manner. (2) The facsimile apparatus according to claim (1), further comprising selection means for instructing that the reception to be performed from now on is to be performed as confidential reception. (3) The facsimile according to claim (1), further comprising a time setting means for setting a time for automatically setting a forced confidential reception mode on the receiver side and a time for automatically canceling this setting. Device. (4) In claim (1), an input means for inputting the telephone number of the other party on the receiver side, an identification means for identifying the telephone number of the sender of the received image, and a telephone number input from the input means. and control means for forcibly receiving the received image confidentially when the telephone number identified by the identification means matches at least a predetermined number of digits.