JP3033130B2 - Communication device - Google Patents

Description

Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a communication apparatus having a confidential communication function and capable of using a confidentially received document as a polling called document.

2. Description of the Related Art Conventionally, in a communication device having a confidential communication function, image information transmitted by confidential communication is temporarily stored in a storage device, and transmitted to print out the image information. This is done by entering a password that matches the password. However, communication devices that can print out are limited to reception-side devices of confidential communication.

(Problems to be Solved by the Invention) However, if only the receiving side device can print out, and if the receiving destination cannot return immediately on a business trip or the like, the receiving party himself may perform a print output operation or the like.
In addition to being unable to check the confidential reception content, it is also not possible to provide a confidential communication password to a third party and output the confidential reception content, making it impossible to obtain necessary information immediately. There was a problem.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-described problem. At the time of reception by confidential communication, a confidential received document stored in a storage device is used as a polled called document and polled from a remote communication device such as a business trip destination. It is an object of the present invention to provide a communication device having a function of sending out a confidential reception original document stored in a storage device by making a call.

(Means for Solving the Problems) In order to achieve this object, the communication device according to claim 1 of the present invention transmits confidential information different from normal communication by transmitting predetermined confidential information together with document information. In a communication device having a confidential communication function for performing communication, a first storage area for storing document information received by the normal communication, and document information specified by the predetermined confidential information and received by the confidential communication function are stored. A second storage area to be set, setting means for selectively setting the document information stored in the second storage area as a called document to be polled, and a second set to the called document to be polled by the setting means. A specific information storage means for preliminarily storing specific information for retrieving document information in a storage area; It is determined whether or not the information sent from the communication device of the above corresponds to the specific information stored in the specific information storage means, and based on the determination result, the document information stored in the second storage area is selected. And control means for controlling transmission to any communication device.

Further, in the communication device according to claim 2, the control unit receives a polling call from an arbitrary communication device,
If the specific information transmitted from the communication device is valid and the document information does not exist in the second storage area, the document information received by the normal communication stored in the first storage area can be arbitrarily set. To the communication device.

(Operation) The communication device according to claim 1 of the present invention configured as described above stores the document information received by the confidential communication function in the second storage area specified by the predetermined confidential information, If this is set as a polling called original by the setting means, when a polling call is received from an arbitrary communication device, the specific information sent from the normal device is the original information in the second storage area. If it matches the specific information to be taken out, the document information in the second storage area is transferred to any communication device.

Further, the communication device according to claim 2 receives the call of polling, and even if the specific information sent from any communication device is valid, if the document information received by the confidential communication does not exist, instead, The document information received by the normal communication is transmitted.

(Embodiment) Hereinafter, an embodiment of the present invention will be described with reference to the drawings.

FIG. 1 is a block diagram schematically showing a communication device having a confidential communication function according to an embodiment of the present invention. Reference numeral 20 denotes a facsimile apparatus as a communication apparatus according to the present embodiment. A system controller 21 controls the facsimile machine 20. Reference numeral 22 denotes an operation keyboard.
Is supplied to the system controller 21. The operation keyboard 22 includes a dial key 220, a password setting key 221 for specifying a password, a start key 222 for instructing the start of transmission, a polling instruction key 223 for instructing polling communication, and a confidential instruction for indicating confidential communication. A key 224 is provided. 23 is RAM, RAM23
Stores a work area, a polling flag area in which a polling flag indicating that polling communication has been performed with the polling instruction key 223, and a confidential flag indicating that a confidential instruction has been issued with the confidential instruction key 224. A confidential flag area, an image information storage area for temporarily storing binarized image information, a password storage area for storing a password at the time of confidential communication or polling communication, and the like.
Reference numeral 24 denotes an image information reading unit that reads image information written on a transmission document, and reference numeral 25 denotes a reading information processing unit that binarizes the image information read by the image information reading unit 24. Reference numeral 26 denotes a data compression / data decompression unit which compresses image information to be transmitted during communication and sends the compressed image information to the modem 27, and decompresses received image information during reception. Reference numeral 27 denotes a modem. 231 is a second RAM, and the second RAM 231
Is an area for storing confidentially received originals. 28 is a network control unit (NCU). At the time of transmission, the facsimile apparatus 20 of the present embodiment temporarily stores the image information binarized by the read information processing unit 25.
It is stored in the image information storage area of the RAM 23. The image information stored in the image information storage area of the RAM 23 is read, compressed by the data compression unit of the data compression / data decompression unit 26, modulated by the modem 27, and transmitted through the network control unit 28. The compressed image information transmitted via the telephone line is input to the modem 27 via the network control unit 28, demodulated by the modem 27, and decompressed by the data decompression unit of the data compression / data decompression unit 26. The restored image information is stored in the image information storage area of the RAM 23.
The image information is read from the image information storage area as needed and supplied to the printer 29, and a document based on the read image information is recorded on a recording sheet by the printer 29.

The operation of the embodiment of the present invention configured as described above will be described with reference to FIGS. In this embodiment, as shown in FIG. 2, the facsimile machine 20 receives the confidential communication from the facsimile
The operation of the facsimile machine 20 at the time of confidential reception when polling communication is performed will be described with reference to the flowchart of FIG.

When the facsimile machine 20 receives a call from the transmission-side facsimile 10 and enters an incoming call state, it determines whether or not the communication is confidential communication by detecting the presence or absence of a confidential flag set in the non-standard function setting signal (NSS). In the case of confidential communication, it is determined whether the password sent from the transmitting facsimile 10 is the same as that registered in the password storage area of the facsimile machine 10. If they are the same, confidential reception is performed, the confidential flag is stored in the confidential flag area, and the received image information is stored in the second RAM 231. Thereafter, the setting of the polling called side is performed by the polling instruction key 223, and if the polling flag is stored in the polling flag area, the confidential reception original can be transmitted by polling. Polling callee setting can also be performed before confidential reception. The operation at this time is to make it possible to set the confidential reception original received after the setting of the polling called side as the polling called side original.

Next, the operation at the time of polling communication will be described with reference to FIGS. FIG. 4 shows a facsimile machine 30 on the calling side.
FIG. 5 is a facsimile machine on the called side.
20 is a flowchart of FIG. Enter the fax number of the facsimile machine 20 from the facsimile machine 30 by dial key operation, perform polling call setting, enter the same password as that set in the facsimile machine 20, and turn on the start key. A polling call is made by transmitting a polling command and a password. At this time, as shown in the flowchart of FIG. 5, in the facsimile machine 20 which is the called party of the polling, when the incoming call is received, the polling command is recognized to determine whether or not the polling communication is performed. If facsimile machine
It is determined whether the password sent from 30 is the same as the one registered in the password storage area of the RAM 23 of the facsimile 20, and the polling flag is stored in the polling flag area, so that the facsimile apparatus 20 can perform polling communication. Is determined. If the password is the same and polling communication is possible, polling communication is performed, and if the confidential flag is stored in the confidential flag area, the confidential reception original stored in the second RAM 231 is transmitted to the facsimile machine 30. I do. When it is determined that the confidential flag is not stored, the data is read from the RAM 23 and transmitted to the facsimile machine 30. In the facsimile device 30, the confidential reception original or the ordinary original transmitted via the telephone line is stored in the RAM 23 via the network control unit 28, the modem 27, and the data compression / decompression unit 26.

(Effect of the Invention) As is clear from the above description, according to the communication device of the first aspect of the present invention, in the communication device having the confidential communication function, the document information received by the normal communication is transmitted. Aside from the storage area, an area for storing the document information received by the confidential communication is secured as a second storage area, and the document information by the confidential communication stored in the second storage area is selectively called for the polled called document. When a polling call is received from another communication device, the specific information transmitted from that communication device is set to the second
If it matches the specific information for retrieving the document information in the storage area, the document information in the second storage area is transferred to an arbitrary communication device. Can be transferred to another communication device.

According to the communication apparatus of the second aspect, when the document information received by the confidential communication does not exist in the second storage area, the document information by the normal communication stored in the first storage area is used instead. Since the document information is sent, it is not necessary to perform another polling call operation to retrieve the document information from the first storage area, and the operation can be performed by one communication.

[Brief description of the drawings]

FIG. 1 is a block diagram of a facsimile apparatus as a communication apparatus having a confidential communication function, FIG. 2 is a block diagram showing a flow of communication between the facsimile apparatuses, and FIG. 3 is a flowchart at the time of confidential reception of the facsimile apparatus. FIG. 4 is a flowchart of the polling communication calling side of the facsimile apparatus, and FIG. 5 is a flowchart of the polling communication called side of the facsimile apparatus. In the figure, 10 is a facsimile machine (confidential transmission side), 20 is a facsimile apparatus (confidential reception side, polling called side), 21 is a system controller, 23 is RAM, 30 is a facsimile apparatus (polling calling side), 221 is Password setting key, 2
23 is a polling instruction key, 224 is a confidential communication instruction key, 231
Is the second RAM.

────────────────────────────────────────────────── ─── Continuation of the front page (56) References JP-A-1-179570 (JP, A) JP-A-1-202981 (JP, A) (58) Fields investigated (Int. Cl. ⁷ , DB name) H04N 1/44 H04N 1/32-1/34

Claims (2)

(57) [Claims] 1. A communication apparatus having a confidential communication function for performing confidential communication different from normal communication by transmitting predetermined confidential information together with manuscript information. 1 storage area, a second storage area for storing the document information specified by the predetermined confidential information and received by the confidential communication function, and selectively polling the document information stored in the second storage area. Setting means for setting the called manuscript; specific information storing means for preliminarily storing specific information for retrieving manuscript information in the second storage area set in the polling called manuscript by the setting means; When a polling call is received from the communication device, the information transmitted from the communication device is the specific information stored in the specific information storage means. Control means for determining whether or not they match, and controlling to selectively send the document information stored in the second storage area to any communication device based on the determination result. Characteristic communication device. 2. The method according to claim 1, wherein the control means receives a polling call from an arbitrary communication device and, when the specific information sent from the arbitrary communication device is valid, the document information exists in the second storage area. 2. The communication device according to claim 1, wherein if not present, the document information received by the normal communication stored in the first storage area is sent to an arbitrary communication device.