JPH1117923A - Facsimile equipment - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide facsimile equipment without provision of a size conversion function in which transmission of an original in an A3 size is conducted to a destination that can receive image data in A3 size. SOLUTION: A size of an original set to an automatic original carrier section 6 is detected by an original size detection section 7. A control section 1 adopts a transmission method different from the set original of A3 or A4 size. That is, in the case that the original of the A4 size is set, the automatic original carrier section 6 is driven prior to line connection, an image read section 5 reads an image of the A4 size, the image data are coded and stored in a storage section 12, the coded data are read from the storage section 12 after line connection and memory transmission processing is executed. In the case that the original of A3 size is set, the automatic original carrier section 6 is driven after line connection to control feeding of the original to the image read section 5 in matching a reception state of the destination and the transmission processing is executed.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a facsimile apparatus capable of handling two or more types of originals having different sizes such as A3 size and A4 size as transmission originals.

[0002]

2. Description of the Related Art Conventional facsimile apparatuses include those having a so-called size conversion function and those having no so-called size conversion function.

(1) In a facsimile apparatus having the size conversion function, for example, as shown in FIG.
When a transmission document of three sizes is set, the image data is encoded without reduction, and the A3 encoded data is stored in the memory. Then, in the handshake with the other party, if the other party can receive the A3 document, the A3 size encoded data is transmitted. On the other hand, if the other party has only the maximum A4 document reception capability, size conversion transmission is performed. That is, the A3 encoded data is decoded into A3 image data, which is reduced to A4 image data, which is encoded again to generate A4 encoded data. Then, the A4 encoded data is transmitted to the destination.

(2) In a facsimile apparatus not having the size conversion function, for example, as shown in FIG.
As for the transmission document of three sizes, in case that the other party cannot receive the A3 document, it is reduced to A4 size in advance, the A4 image data is encoded, and the A4 encoded data is stored in the memory. . Therefore, even in the handshake after the connection of the line, even if the other party finds that the A3 document can be received, the document cannot be transmitted in the A3 size.

[0005]

The facsimile apparatus having the size conversion function described in the above (1) sends an A3 size document if the other party can receive the A3 size document, and has only a maximum A4 document receiving capability. In such a case, it is possible to perform processing according to the size of the received original document such as conversion to A4 size and transmission. However, since a size conversion function for performing decoding → reduction → re-encoding at a high speed is required, the circuit scale becomes large and software control becomes complicated.

On the other hand, the facsimile apparatus without the size conversion function in (2) can simplify the configuration, but has the drawback that even if the other party has the ability to receive an A3 document, it cannot transmit in that size. . Further, since the size of the document is reduced to A4, the image quality is reduced as compared with a case where the A3 document is transmitted without being reduced.

The present invention has been made in view of the above circumstances, and provides a facsimile apparatus capable of performing transmission at an A3 size without having a size conversion function when the other party is capable of receiving the A3 size. The purpose is to:

[0008]

In order to solve the above-mentioned problems, a facsimile apparatus according to the present invention includes an automatic document feeder for feeding a set document, and an image reading unit for reading an image from the document. In a facsimile apparatus configured such that these automatic document feeder and image reading unit can handle a first size document and a second size document larger than the first size document, the automatic document feeder and the image reading unit are set in the automatic document feeder. Means for detecting the size of the set original, and, when an original of the first size is set, drives the automatic document feeder prior to line connection, and reads the image of the original by the image reading unit. The image data is read and encoded and stored in a memory. After the line is connected, the encoded data is read from the memory to execute a memory transmission process, while a document of the second size is set. Control means for driving the automatic document feeder after connection to the line, controlling the sending of the document to the image reading unit in accordance with the reception status of the other party, and executing a transmission process. Features.

With the above configuration, when a document of the first size, for example, an A4 size document is set, so-called memory transmission is executed. On the other hand, when a document of a second size, for example, an A3 size document is set, a so-called ADF (automatic document feeder) that controls transmission of the document to the image reading unit in accordance with the reception status of the other party and performs transmission. ) Transmission is performed.

If the A3 original is to be transmitted to the memory and stored in the memory in the A3 size, a size conversion function is required and the cost is high. Has a maximum of A
Even if it has the ability to receive three originals, it cannot be transmitted in A3 size. On the other hand, both A4 and A3
If DF transmission is to be performed, most of the originals are A4 size, and if ADF transmission is performed up to this A4 original, facsimile communication time is unnecessarily long.

As described above, for example, the A4 document is transmitted to the memory, and the A3 document is transmitted to the ADF. Can be solved. In the ADF transmission, if the other party has, for example, only the maximum A4 document receiving capability, the A4 reduction processing is sequentially performed on the read A3 image data, and the A4 reduced image data is encoded. Just send it.

[0012] Even when a document of the second size is set, if a plurality of destinations are designated, the control means drives the automatic document feeder prior to line connection, and The image reading unit reads the image, reduces the image data to a first size, encodes the image data, stores the image data in a memory, reads out the encoded data from the memory after connecting a line, and executes a memory transmission process. Is desirable.

In the above-described ADF transmission, an original can be transmitted to only one destination. Therefore, when there are a plurality of destinations, the A3 size transmission is abandoned in the above example, and the A3 size document is reduced to the A4 size in order to realize the transmission to the plurality of destinations. Send memory.

It is desirable that the control means issues a warning when the document of the second size is reduced to the first size and transmitted to the memory. Further, when a continuation command is received from the user after the warning, the reduced memory transmission may be performed, and when a termination command is received from the user, termination processing may be performed.

[0015]

Embodiments of the present invention will be described below with reference to the drawings.

FIG. 1 is a block diagram showing a schematic configuration of a facsimile apparatus according to this embodiment.

The control section 1 performs facsimile transmission and reception based on a control program, and also performs processing of appropriately selecting memory transmission, reduced memory transmission, and ADF transmission according to the present invention. The details of the selection process will be described later with reference to a flowchart. Briefly describing facsimile transmission / reception, at the time of transmission, an NCU (network control unit) 3 dials a telephone number of a destination, executes a predetermined handshake procedure with the destination after line connection, and reads an image. The image data read by the unit 5 is encoded, and the encoded data is modulated by the FAX modem 2 and transmitted to the other party through the telephone line 4. On the other hand, when the NCU 3 detects an incoming call, it executes a predetermined handshake procedure with the other party, demodulates the modulated signal sent from the other party by the FAX modem 2 and obtains encoded data. , Decrypts this to generate image data,
The printing section 11 forms an image.

As the facsimile transmission method, there are so-called ADF transmission and memory transmission. The ADF transmission is a method in which the automatic document feeder (ADF) 6 is driven after the line is connected, and the document is transmitted while controlling the feed of the document to the image reading unit 5 according to the reception status of the other party. On the other hand, memory transmission means that the automatic document feeder 6
Are sequentially conveyed to the image reading unit 5, a process of encoding the read image information and storing it in the storage unit 12 is performed, and after performing the storing process for all the documents, a line is connected, and This is a method of reading encoded data from the unit 12 and transmitting it to the other party.

The document size detecting section 7 includes an automatic document feeding section 6
The size of the document set in the document is detected, and the size information is output to the control unit 1. In this embodiment, it is assumed that there are three types of document sizes A3, B4, and A4. The display unit 8 includes, for example, a liquid crystal panel, and displays various types of information according to a command from the control unit 1. This information includes a warning display according to the present invention. The operation unit 9 has ten keys, one-touch keys, and various function keys. Although not shown, the function key includes a “continue” key. The destination input check unit 10 determines whether or not the user has designated a plurality of destinations with the operation unit 9, and outputs the determination result to the control unit 1. The sound generator 13 emits a warning sound according to the present invention in response to a command from the controller 1.

FIG. 2 is a flowchart showing the contents of processing at the time of facsimile transmission of this embodiment. In addition,
In FIG. 2, the processing indicated by the dotted frame is processing performed by the user, and the processing indicated by the solid frame is processing performed by the facsimile machine.

At the time of facsimile transmission, the user sequentially sets a document, inputs a destination, and presses a start key (steps 1, 2, 3). When the start key is pressed, the facsimile apparatus determines whether the set document is A3 / B4 or other than the document size detector 7.
(Step 4). If the set original is A3 / B4, it is further determined whether there is only one destination (step 5). When there is only one destination, so-called ADF transmission is executed. Specifically, dialing is performed to the other party to perform a handshake (step 6), and thereafter, the automatic document feeder 6 is driven (step 7).
The image of the document is read (step 8), and the A3 image is transmitted (step 9). Then, it is determined whether or not all pages have been completed (step 10), and if completed, a communication end process is performed and the process ends. If the other party has only the maximum A4 document reception capability, the A4 reduction processing is sequentially performed on the read image data, and the A4 reduced image data is encoded and transmitted.

On the other hand, if it is determined in step 4 that the set document is other than A3 / B4 (here A4), the automatic document feeder 6 is driven (step 12). Read the image (step 13),
The data is encoded and stored in the storage unit 12 (step 14). Then, it is determined whether all pages have been completed (step 1).
5) When all pages have been completed, the destination is dialed and a handshake is performed (step 16).
, The encoded data is read out and transmitted to the memory (step 17). When the memory transmission ends, a communication end process is performed and the process ends.

If it is determined in step 5 that there are a plurality of destinations, a warning indicating that A4 reduced memory transmission will be performed (the same applies to a warning indicating that ADF transmission is not performed). (Step 1)
8). This warning is displayed on the display unit 8 such as "ADF transmission impossible → continue?"
In 3, the warning sound or "ADF cannot be sent.
Do you want to continue? By sending a voice message such as If the "continue" key is pressed by the user, the automatic document feeder 6 is driven (step 20) and an image is read (step 21). Reading this image
Perform in fine mode or super fine mode.
Then, A4 reduction processing is performed on the read image data, and encoding is performed on the reduced image data.
This A4 reduced encoded data is stored in the storage unit 12 (step 22). In the reduction processing, not a mere pixel thinning-out but a so-called interpolation processing in which a line to be processed is considered in front of and behind the line, so that the deterioration of the image quality due to the reduction is prevented. Then, it is determined whether or not all the pages have been completed (step 23). If all the pages have been completed, the destination is dialed and handshaking is performed (step 24), and the A4 reduced encoded data is read from the storage unit 12. To perform memory transmission (step 25). Upon completion of the memory transmission, it is determined whether or not transmission has been performed to all designated destinations (step 11).
If the transmission has been performed to all the other parties, the communication termination processing is performed and the processing ends.

With the above configuration, when an A4 size document is set, so-called memory transmission is executed. Here, it is not an exaggeration to say that almost all facsimile machines can receive in A4 size. Therefore, even if the document of A4 size is transmitted to the memory, no problem occurs.

As shown in FIG. 3, for example, when an original of A3 size is set, ADF transmission is executed. In this case, if the other party can receive the A3 document, the image is transmitted in the A3 size. If the other party has only the maximum A4 document receiving capability, the read image data is transmitted. A4 reduction processing is sequentially performed on the A4 data, and the A4 reduced image data is encoded and transmitted (A4 reduced ADF transmission).

On the other hand, for example, even when an A3-size original is set, if a plurality of transmission destinations are designated, the A3-size original is reduced to A4 and the memory transmission is performed. That is, in the above-described ADF transmission, a document can be transmitted to only one destination, so if there are a plurality of destinations, transmission of A3 size is abandoned, and transmission to a plurality of destinations is stopped. A3 size originals should be
The memory size is reduced to 4 and transmitted.

[0027]

As described above, according to the present invention, for example, a problem in the case where an A3 original is transmitted to the memory, that is, the cost is increased by providing the size conversion function, or the size conversion is performed. It is possible to solve the problem that the transmission of the A3 document is disabled without the function and the problem that the communication time increases when both the A3 document and the A4 document are ADF-transmitted.

[Brief description of the drawings]

FIG. 1 is a block diagram of a facsimile apparatus according to this embodiment.

FIG. 2 is a flowchart showing transmission processing contents of the facsimile apparatus of the embodiment.

FIG. 3 is a diagram illustrating A3 by the facsimile apparatus according to the embodiment;
FIG. 5 is an explanatory diagram illustrating a transmission mode of a document.

FIG. 4 is an explanatory diagram showing a transmission mode of an A3 document by a conventional facsimile apparatus having a size conversion function.

FIG. 5 is an explanatory diagram showing a transmission mode of an A3 original by a conventional facsimile apparatus having no size conversion function.

[Description of Signs] 1 facsimile control unit 2 FAX modem 3 NCU 4 telephone line 5 reading unit 6 automatic document feeder (ADF) 7 document size detection unit 8 display unit 9 operation unit 10 destination input check unit 11 printing unit 12 storage Unit 13 Voice generation unit

Claims (4)

[Claims] An automatic document feeder for feeding a set original; and an image reading unit for reading an image from the original. The automatic document feeder and the image reader are provided with a first size original, And a facsimile apparatus configured to be capable of handling a second size original larger than this, wherein a means for detecting the size of the original set in the automatic document feeder and a first size original are set. In this case, the automatic document feeder is driven prior to line connection, and the image of the document is read by the image reading unit,
This image data is encoded and stored in the memory, and after the line is connected, the encoded data is read out from the memory and the memory transmission process is executed. On the other hand, when the original of the second size is set, the image data is automatically stored after the line connection. Drive the document feeder,
A facsimile apparatus comprising: a control unit that controls transmission of a document to an image reading unit in accordance with a reception state of a destination and executes transmission processing. 2. The apparatus according to claim 1, wherein the control unit drives the automatic document feeder prior to line connection even when a document of a second size is set, when a plurality of destinations are designated. Reading the image of the document by the image reading unit,
2. The facsimile apparatus according to claim 1, wherein the image data is reduced to a first size, encoded and stored in a memory, and the encoded data is read out from the memory after a line connection to execute a memory transmission process. apparatus. 3. The apparatus according to claim 2, wherein the control unit issues a warning when the document of the second size is reduced to the first size and transmitted to the memory. Facsimile machine. 4. The control means executes the reduced memory transmission when a continuation command is received from the user after the warning, and executes a termination process when a termination command is received from the user. The facsimile apparatus according to claim 3, wherein