JP2001136321A - Facsimile terminal - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a facsimile terminal that can receive transmission information unmagnified without conducting receiving processing at about a half reduction rate in the case of receiving the transmission information from a facsimile terminal that usually transmits the transmission information at about a half reduction rate in both main and sub scanning directions when a receiver side informs a transmitter side about the reception capability of 16 pel/mm in the main scanning direction and 15.4 line/mm in the subscanning direction by means of a DIS signal at the arrival of an incoming call. SOLUTION: The facsimile terminal detects caller telephone number information of an opposite device, registers the caller telephone number information of the opposite device and the reception capability of the opposite device in cross-reference with each other, discriminates received image information, and decides declaration contents of the reception capability for succeeding reception of an incoming call from the same opposite party on the basis of the received image information.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a facsimile apparatus, and more particularly, to a facsimile apparatus having a main scanning direction of 16 pel / mm and a sub-scanning direction of 1 fps.
The present invention relates to a facsimile apparatus capable of receiving a signal at a resolution of 5.4 line / mm.

[0002]

2. Description of the Related Art A conventional facsimile apparatus capable of receiving at a resolution of 16 pel / mm in a main scanning direction and a resolution of 15.4 line / mm in a sub-scanning direction uses a DIS signal at the time of reception. Direction 15.
Notifying that the image can be received at a resolution of 4 lines / mm, the main scanning direction is 16 pel / mm, and the sub-scanning direction is 1
If transmission at a resolution of 5.4 line / mm is selected by the partner machine, facsimile communication is performed at a resolution of 16 pel / mm in the main scanning direction and 15.4 line / mm in the sub-scanning direction.

[0003]

However, in the above conventional example, when a call is received, the DIS signal is used and the main scanning direction is set to one.
When the receiver notifies the transmitter that the receiver has a resolution of 6 pel / mm and a resolution of 15.4 line / mm in the sub-scanning direction, a specific facsimile machine transmits transmission information in the main scanning direction and the sub-scanning direction. In both cases, there is a problem that the data is transmitted after being reduced to about 1/2 (for example, the facsimile software of the personal computer controls in this manner).

According to the present invention, when an incoming call is received, a DIS signal is used in a main scanning direction of 16 pel / mm and a sub-scanning direction of 15.4 li.
When the receiver notifies the transmitter that it has a receiving capability of ne / mm resolution, the transmission information is normally reduced to about 1/2 in both the main scanning direction and the sub-scanning direction and transmitted. It is an object of the present invention to provide a facsimile apparatus which can receive an image at the same magnification without receiving a reduced reception of about ２ when receiving from an incoming facsimile machine.

[0005]

According to a first aspect of the present invention, there is provided a caller telephone number information detecting means for detecting a caller telephone number information of a counterpart machine, a caller telephone number information of the detected counterpart machine and a counterpart machine. Registration means for registering the received image information in association with the received image information, image information judging means for judging the received image information, and declaration of the reception ability when the next call is received from the same destination based on the received image information. A facsimile apparatus comprising: a receiving capability declaration content determining means for determining content.

According to a second aspect of the present invention, there is provided a facsimile apparatus according to the first aspect, wherein a receivable resolution is registered corresponding to the caller's telephone number information of the other party.

According to a third aspect of the present invention, in claim 1 or 2, the size of the received image information is determined, and the number of received pages is equal to or larger than a predetermined number of pages, and the effective data size of all page information is determined. Is about 1/2 in both the main scanning direction and the sub scanning direction, when receiving from the destination,
A facsimile apparatus for registering that a receivable resolution is set to be lower, and declaring that a call can be received at the lower set receiving resolution when a call is received from the destination at the next incoming call. It is.

[0008]

DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 is a block diagram showing a facsimile apparatus FS1 according to one embodiment of the present invention.

In the facsimile apparatus FS1, the NCU
(Network control unit) 2 connects the telephone network to a terminal of the line in order to use the telephone network for data communication and the like, controls connection of a telephone exchange network, switches to a data communication path, and holds a loop. Is what you do. The NCU 2 connects the telephone line 2a to the telephone (CML off) or connects the telephone line 2a to the facsimile apparatus (CML on) under the control of the bus 26. In a 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 12 to the telephone line 2a via the NCU 2, and receives the signal from the other party via the NCU 2. , To the modem 8 via the signal line 6a.

The modulator / demodulator 8 is based on ITU-T Recommendation V. 8,
V. 21, V.I. 23, V.I. 27ter, V.I. 29, V.I.
17, V.I. A modulation / demodulation unit that performs modulation and demodulation based on the control of a bus 34, and specifies each transmission mode by controlling the bus 26. The modulation / demodulation circuit 8 receives the transmission signal from the bus 26, outputs the modulation data to the signal line 8a, receives the reception signal output to the signal line 6a, and outputs the demodulated data to the bus 2
6 is output.

The calling circuit 10 inputs telephone number information by a signal from the bus 26, and outputs a DTMF selection signal to the signal line 10a.

The addition circuit 12 receives the information of the signal line 8a and the information of the signal line 10a, and adds the result of the addition to the signal line 12a.
output to a.

The read circuit 14 outputs read data to the bus 26.

The recording circuit 16 sequentially records information output to the bus 26 line by line.

The memory circuit 18 includes a work memory (R
AM), and further used to store raw information or encoded information of read data, and to store received information or decoded information via the bus 26. As a part of the memory circuit 18, there is a memory for storing a counterpart that declares a DIS signal receiving capability in a main scanning direction of 8 pel / mm × sub-scanning direction of 7.7 line / mm.

The operation unit 20 has a one-touch dial, a speed dial, a numeric keypad, a * / # key, a start key, a set key, a stop key, and other function keys, and pressed key information is output to a signal line 20a.

A CPU (Central Processing Unit) 22 controls the entire facsimile apparatus and executes a facsimile transmission control procedure, and its control program is stored in a ROM 24.

FIG. 2 is a system block diagram in the above embodiment.

FAX A 100 is a transmitter, and FAX B
102 is a receiver. The signal line 102a is a telephone line including an exchange.

At the time of receiving a call, the caller's telephone number information is detected, and the searched destination is 8 pel / main scanning direction.
mm and the sub-scanning direction of 7.7 line / mm, if the destination is registered in the memory 18, the reception resolution is 8 pel / mm × 7.7 line / mm.
Declared by DIS signal.

On the other hand, the detected caller telephone number information (destination) is 8 pel / mm in the main scanning direction and 7.7 in the sub scanning direction.
If it is not registered in the memory 18 as a destination to declare line / mm, the reception resolution is 16 pel / mm ×
15.4 line / mm is declared by the DIS signal. In receiving this image signal, the effective area of all the received information is about 1 in both the main operation direction and the sub-scanning direction.
/ 2 or less, the next and subsequent receptions from that destination
It is stored as 8 pel / mm × 7.7 line / mm.

The ROM 24 mainly stores a control program for performing the control described in FIG.

FIGS. 3, 4 and 5 are flowcharts showing the control operation in the above embodiment.

S2 represents that the memory 18 is initialized via the bus 26. Here, in the DIS signal, the reception resolution is 8 pel / mm × 7.7 lin.
Clears the contents of the other party that declares e / mm.

At S4, the CML of the NCU 2 is turned off via the bus 26.

At S6, it is determined whether or not an incoming call is selected. If an incoming call is selected, the process proceeds to S10, and if no incoming call is selected, the process proceeds to S8 to perform other processing.

Step S10 indicates that the caller telephone number information output from the exchange via the bus 26 is received and stored.

In S12, the NCU 2
Is turned on.

In S14, it is determined whether or not the detected caller telephone number information is stored in the memory 18 as a destination for a DIS declaration of 8 pel / mm × 7.7 line / mm. The process proceeds to S16, and if the answer is negative, the process proceeds to S22.

Step S16 represents a pre-procedure. here,
The DIS signal declares that there is a receiving capability of 8 pel / mm in the main scanning direction and 7.7 line / mm in the sub-scanning direction.

S18 indicates reception / recording of an image signal.
Reference numeral 20 denotes a post-procedure.

S22 represents a pre-procedure. here,
The DIS signal declares that there is a reception capability of 16 pel / mm in the main scanning direction and 15.4 line / mm in the sub-scanning direction.

In S23, 1 is set to a page counter for counting the number of received pages.

In S24, the received image is determined, and 1 is set in the reduced image flag. This reduced image flag is a flag used to detect whether the valid information of the reception information of all pages is less than or equal to about 約 of the reception size in both the main scanning direction and the sub-scanning direction.

Step S26 represents reception / recording of an image signal.

In S28, it is determined whether or not the recording of one page has been completed.
If the recording of one page has not been completed, the flow proceeds to S26.

In S30, the valid information of the received image is compared with the received size, and 1 is set in both the main scanning direction and the sub-scanning direction.
/ 2 or less, and if the answer is affirmative,
Proceeding to S34, if it is a negative response, proceeding to S32, clearing the reduced image flag.

Step S34 represents an intermediate procedure.

In S36, it is determined whether there is a next page. If there is a next page, the flow advances to S37 to increment the value of the page counter by one.
Proceed to 8.

Step S38 represents a post-procedure.

In S40, it is determined whether or not the reduced image flag is 0. If it is 0, the process proceeds to S4, and if it is not 0, the process proceeds to S43.

In S43, it is determined whether the value of the page counter is 5 or more. If the value is 5 or more, the process proceeds to S44, and if it is less than 5, the process proceeds to S4.

In step S44, the memory 18 receives 8 pel / mm × 7.7 line /
mm in the destination storage memory that declares mm
The sender's telephone number received from the exchange at the time of this facsimile reception is additionally stored.

According to the above embodiment, at the time of an incoming call, the DIS signal causes the main scanning direction to be 16 pel / mm and the sub-scanning direction to be 1 pel / mm.
When the receiver notifies the transmitter that it has a reception capability of a resolution of 5.4 line / mm, a specific facsimile machine reduces transmission information to about 1/2 in both the main scanning direction and the sub-scanning direction. When receiving from this particular facsimile machine, for example,
The receiver can notify the transmitter that the receiver has a resolution of 8 pel / mm in the main scanning direction and 7.7 line / mm in the sub-scanning direction by the S signal. It does not come and is easy for the user to use.

[0046]

According to the present invention, when an incoming call is received, the DIS signal causes the main scanning direction to be 16 pel / mm and the sub-scanning direction to be 1 pel / mm.
Normally, when the receiver notifies the transmitter that the receiver has a resolution of 5.4 line / mm,
When receiving transmission information from a facsimile machine that reduces the transmission information in both the main scanning direction and the sub-scanning direction by about １ ／, it is possible to receive the transmission information at the same magnification without performing the reduction transmission of about ２. It has the effect of being able to.

[Brief description of the drawings]

FIG. 1 shows a facsimile apparatus FS according to an embodiment of the present invention.
1 is a block showing 1.

FIG. 2 is a system block diagram in the embodiment.

FIG. 3 is a flowchart showing a control operation in the embodiment.

FIG. 4 is a flowchart showing a control operation in the embodiment.

FIG. 5 is a flowchart showing a control operation in the embodiment.

[Explanation of symbols]

 FS1: Facsimile machine, 2: NCU, 4: Telephone, 6: Hybrid circuit, 8: Modulator / demodulator, 10: Calling circuit, 12: Addition circuit, 14: Reading circuit, 16: Recording circuit, 18: Memory circuit, 20 ... operation unit, 22 ... CPU, 24 ... ROM.

Claims (3)

[Claims] 1. A caller's telephone number information detecting means for detecting caller's telephone number information of a partner's machine; registration for registering the detected caller's telephone number information of the partner's machine and the reception capability of the partner's machine in association with each other Means for judging received image information; image information judging means for judging received image information; and receiving ability declaration content deciding means for deciding the contents of a declaration of receiving ability when receiving an incoming call from the same destination next time based on the received image information. A facsimile apparatus having: 2. The facsimile apparatus according to claim 1, wherein a receivable resolution is registered corresponding to the caller's telephone number information of the other party. 3. The method according to claim 1, wherein the size of the received image information is determined, the number of received pages is equal to or larger than a predetermined number of pages, and the effective data size of all page information is in the main scanning direction. About 1/2 in both sub-scanning directions
If this is the case, register that the receivable resolution should be set lower when receiving from the destination, and if there is an incoming call from the destination at the next incoming call, it will be possible to receive at the lower received resolution Facsimile machine characterized by declaring that