JPH03121663A - Communication equipment - Google Patents

Abstract

PURPOSE:To decide whether or not the connection is to be confirmed automatically based on the detection of polarity inversion without requiring any switch operation by controlling whether or not the connection is to be confirmed by the detection of polarity inversion in response to caller information used through the reference of a table memory at calling. CONSTITUTION:A table memory 4 comprising a RAM or an EEPROM is connected to a control section 3 and the table memory 4 stores call information used for a call and information as to whether or not the connection is to be confirmed by the detection of polarity inversion at a call to an opposite station represented by the call information relating to each other. Then the table memory 4 is referenced at calling to control whether or not the connection by the detection of polarity inversion is to be confirmed in response to the call information in use. Thus, whether or not the connection is to be confirmed by the detection of polarity inversion is decided automatically without need of switch operation or the like.

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial Application Field 1] The present invention relates to a communication device, and particularly to a communication device that transmits call information input in advance and starts a communication procedure after connecting with a partner station.

[Prior Art J] Conventionally, in the automatic transmission mode of a facsimile machine, a call is made to the other party using calling information such as a telephone number manually entered using a numeric keypad or a telephone number entered using a speed dial system. Then start the facsimile procedure.

Since the facsimile procedure must be started after the line connection is established, it is conceivable to start the facsimile procedure after detecting the polarity reversal in the case of a line in which the polarity is reversed in response to a response from the partner station.

On the other hand, in the line network, there are regions where polarity is reversed when a partner station responds, and regions where polarity is not reversed. In areas where polarity reversal is performed, the response of the partner station can be recognized by polarity reversal, so a communication procedure can be started based on the detection of polarity reversal. However, in areas where there is no polarity reversal, it is not possible to confirm the response from the other station, so the only option is to set a predetermined waiting time and then start the procedure.

[Problem to be solved by the invention 1: If there is no polarity reversal, there is a high possibility that the communication will end in error, so conventional technology provides a switch to change the calling procedure depending on whether or not there is polarity reversal. Are known.

However, it is very troublesome to change the switch for each partner station, and errors may occur due to switch operation errors when using the procedure for detecting polarity reversal in communication networks that do not have polarity reversal. There were problems such as using a procedure in the communication network that does not detect polarity reversal, causing frequent communication errors or increasing communication time.

It is an object of the invention to solve one or more problems.

[Means for Solving the Problems J] In order to solve the above-mentioned problems, the present invention provides a communication device that transmits call information entered manually in advance and starts a communication procedure after connecting with the other party. A means is provided for storing in association the calling information used for the calling information and whether or not to perform connection confirmation by detecting polarity reversal when making a call to the partner station indicated by the calling information, and referring to the storage means when making the call. We adopted a configuration that controls whether or not to perform connection confirmation by detecting polarity reversal when making a call, depending on the call information used.

[Operation] According to the above configuration, it is possible to automatically determine whether to perform connection confirmation by detecting polarity reversal without requiring any switch operations.

[Example J] Hereinafter, the present invention will be described in detail based on an example shown in the drawings.

FIG. 1 shows the structure of a communication device adopting the present invention.

In the figure, reference numeral 3 denotes a control section consisting of a microprocessor or the like, which controls the operation of the entire device according to a program stored in the ROM 3a.

Further, a table memory 4 made of RAM, EEFROM, etc. is connected to the control unit 3.

This table memory 4 stores telephone numbers and control conditions for making calls to that station in association with each other. In this embodiment, data regarding whether or not to perform connection confirmation using polarity determination detection for that station is stored in association with a telephone number. It is assumed that the table memory 4 has registered in advance data associating predetermined telephone numbers with the presence or absence of polarity reversal detection. This registration will be described later.

The following members are connected to the control f1 section 3 via a system bus including an address bus, a data bus, etc., and various control lines.

First, the image reading section 1 is composed of a CCD line sensor, a document conveyance system, etc., and is used to read a document image.

The handset 2 is used for making calls and manually controlling the line, and also includes a calling circuit. The handset 2 may be connected in the form of an external telephone or the like.

The image output unit 5 is composed of a thermal recording head, a recording paper conveyance system, and the like, and is used to record received images or images read by the table memory 4 during original copying.

The dial section 6 is constituted by a known dialing means such as a numeric keypad, speed dial key, or one-touch key.

The line connection unit 7 is composed of a known modem, NCU, call signal detection circuit 1, and a call circuit.The calling circuit of the line connection unit 7 is configured to generate a dialing signal according to a telephone number in a call operation to be described later. used for transmission. The modem is also used to transmit facsimile procedure signals.

Next, the operation of the above configuration will be explained with reference to FIG. 2. FIG. 2 shows the procedure when the device in FIG. 1 makes a call. The procedure shown in FIG.
Stored in OM3a. Note that here, a procedure for transmitting an image after a call is made will be exemplified.

In FIG. 2, in step SL, the user first loads a document into the reading section 1, and inputs the telephone number of the other party by manual operation of the numeric keys of the dial section 6 or speed dial operation using a one-touch key. It is assumed that the input telephone number is transmitted by the calling circuit of the line connection section 7 in step Sl.

In step S2, the table memory 4 is referred to based on the telephone number input in step SL, and data indicating whether or not polarity reversal detection is to be performed is read out, which is stored in the table memory 4 in association with the telephone number.

In step S3, it is determined using the correspondence table 4 whether to use a communication mode that detects polarity reversal. In step S4, this determination result (indicated by the flag setting state, etc.) is identified.

If it is determined in step S4 that the mode is to detect polarity reversal, the process proceeds to step 510, and if it is determined that the mode is not to detect polarity reversal, the process proceeds to step S5.

In the mode in which polarity reversal is not detected, a waiting time of L seconds is first set in step S5, and then a transmission operation is unconditionally started in step S6.

Thereafter, in step S7, the response state of the partner station is confirmed through detection of the facsimile procedure signal of the partner station. If the partner station is operating normally, the process advances to the next transmission procedure in step S14.

If step S7 is negative, the process moves to step S8, and it is determined whether X seconds have elapsed by determining the time measured by the timer started when step S7 was first entered. That is, the process of step S7 is executed for X seconds.

If it is confirmed in step S8 that X seconds have elapsed, that is, if the reception operation of the partner station cannot be confirmed for X seconds, the communication is terminated due to an error due to timeout in step S9.

On the other hand, in the mode that detects polarity reversal, the step knob 51
Detect polarity reversal at 0. If the polarity reversal can be detected, the process proceeds to step S6, and if the polarity reversal cannot be detected, the process proceeds to step Sll.

In step Sll, as in step S7, normal reception operation of the partner station is confirmed. If normal operation of the partner station can be confirmed, the transmitting operation is started in step SL2, and then the transmitting process is continued in step S14. Step Sl
If l is negative, it is determined in step 513 whether or not the timer activated when entering step SlO is counting y seconds, as in step S8. That is, the processing of steps SIO and S11 is repeated for 7 seconds. When it is confirmed in step S13 that y seconds have passed, step S9
According to the above configuration, the call information is determined based on the call information stored in the table memory 4 and the corresponding data for each call mode that detects or does not detect polarity reversal. An appropriate calling mode can be selected according to the other party's station identified by or the line network to which the other station belongs, and unlike the conventional switch switching method, an inappropriate calling mode is not selected due to a switch operation error. (This has the excellent effect of being able to perform efficient call control by always using an appropriate call mode.)

In the above, it is assumed that the table memory 4 stores in advance information that associates calling information (telephone number) with the presence or absence of polarity reversal detection. It is conceivable to store the information in the table memory 4.

Furthermore, it is also possible to adopt means such as newly writing data regarding call information and polarity reversal, or editing data that has already been written, by a user or a service person performing an appropriate operation from the operation unit. 0 Editing operations should be performed using the same method as known phone number registration, editing processing, etc.+7.

The table memory 4 does not necessarily need to be configured by securing an independent storage area; for example, in the case of a device having a memory that stores call information in response to a one-touch key or a predetermined speed dial operation, Data regarding the polarity reversal of the station may be stored along with the information, which improves the efficiency of memory usage.

Further, the waiting time t at step S5 in FIG. 2 may be stored in the table memory 4 in association with the telephone number. As a result, if polarity reversal is not detected depending on the communication channel, the communication procedure can be started after an appropriate waiting time.

Although a facsimile machine has been exemplified above, it goes without saying that similar techniques can be implemented in various data communication devices having an automatic call mode.

Further, the calling information is not limited to a telephone number, but may be calling information used in various lines.

[Effects of the Invention] As is clear from the above, according to the present invention, in a communication device that transmits call information entered manually in advance and starts a communication procedure after connecting with a partner station, A means is provided for storing information in association with whether or not connection confirmation is to be performed by detecting polarity reversal when making a call to a partner station indicated by the calling information, and the calling information is used by referring to the storage means when making a call. The system uses a configuration that controls whether or not to check the connection by detecting polarity reversal when making a call, so it automatically determines whether or not to check the connection by detecting polarity reversal, without the need for switch operations. This makes it possible to provide an excellent communication device that does not cause problems such as frequent communication errors or increased communication time caused by conventional switch operation errors.

[Brief explanation of drawings]

FIG. 1 is a block diagram of a facsimile apparatus employing the present invention, and FIG. 2 is a flowchart showing a control procedure when the apparatus of FIG. 1 makes a call. 1... Image reading section 2... Handset 3... Control section 4... Table memory 5...-Image output section 6... Dial section 7... Line connection section several millimeters long Buhi 77 play Figure 1 Hire Puptake key 1's own fu 0-1000 H0 Figure 2

Claims (1)

[Scope of Claims] 1) In a communication device that transmits calling information entered in advance and starts a communication procedure after connecting with a partner station, the calling information used for making a call and the party indicated by the calling information A means is provided to associate and store whether connection confirmation is to be performed by detecting polarity reversal when a call is made to a station, and when making a call, the memory means is referred to and whether or not to check the connection by detecting polarity reversal is provided when making a call, depending on the call information to be used. A communication device characterized by controlling whether or not to confirm a connection.