JPH05300282A - Portable radio facsimile equipment - Google Patents

Abstract

PURPOSE:To make the size of the portable radio facsimile equipment small and to reduce the communication time by selecting a length of facsimile information sent/received at once to be a setting length or below and using a radio wave of a small zone so as to send the information. CONSTITUTION:The length of information sent/received at once is selected in advance to be a setting length or below such as a tape whose width is 20-30mm and whose length is 20cm and the information is read by the portable radio facsimile equipment. When the transmission destination is set and a dial button is depressed, the information is sent to a memory center 82 via a pole station 42 installed to plural divided small zones A-D. When a standard G3 facsimile equipment is a transmission destination, information is sent to a facsimile equipment F via a telephone exchange 81-Z in a relay network from the center 82. When the transmission destination is a portable radio facsimile equipment, the information is sent via the memory center of a called party. The information length is limited and a radio wave of the small zone is used, then the equipment is made small.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a portable wireless facsimile machine.

[0002]

2. Description of the Related Art Conventionally, as a movable facsimile apparatus, a standard G3 facsimile apparatus has been miniaturized as much as possible, and data transmission is performed by using mobile radio for automobiles. This facsimile machine has a function to perform error checking by devising the modem part in order to reduce data errors caused by transmission noise and fading of the wireless part, and also has a function of automatically switching to obtain an appropriate data rate. is doing.

[0003]

However, the portable radio facsimile apparatus having the above-mentioned structure is large in size and requires a large amount of power. Therefore, although it can be used as a facsimile machine for automobiles, it cannot be easily carried and used by a person like a general mobile phone.

The present invention solves the above-mentioned problems, downsizes a mobile facsimile to the size of a mobile hand pager (pager) so that a person can easily carry it around and use it in large quantities. Even if the mobile radio facsimile apparatus has a large traffic capacity, it does not cause a shortage of radio waves.

[0005]

SUMMARY OF THE INVENTION In order to achieve the above object, the present invention sets the length of facsimile information transmitted and received in one transmission of a portable radio facsimile apparatus to a set length or less. Transmission of the portable wireless facsimile apparatus is performed wirelessly via a pole station installed in each small zone in a wireless communication zone composed of a plurality of divided small zones. Further, it is carried out via a wired network with a memory center installed corresponding to each wireless communication zone. This memory center has a function of receiving and storing facsimile information, and the facsimile information is transmitted from the memory center by a mailbox method which is performed by a calling signal.

[0006]

The present invention limits the size of a facsimile telegram in order to reduce the size of a portable wireless facsimile device and shorten the communication time, and once for alternate communication with a standard G3 facsimile device in a wired network. The size of the paper used for transmission is, for example, a tape-like width of 20 to 30 mm and a length of 20 c
The data is transmitted and received in the form of a tape by a portable wireless facsimile device having a reading sensor and a print head having a width of 20 to 30 mm. The mutual communication between the portable wireless facsimile machine and the standard G3 facsimile machine is exchanged in the wire network of the relay network, and the width is 20 cm and the length is 20-.
Handle as a manuscript with a short 30 mm A4 size.

Further, when receiving an incoming call to the portable wireless facsimile apparatus, the portable wireless facsimile apparatus does not search the position of the portable wireless facsimile apparatus, but calls from the portable wireless facsimile apparatus as needed to open a self-addressed mailbox in the wired relay network. If there is a message by searching and there is a message, polling is received, and even if there is no facsimile message, a facsimile message is sent / received, or the fact that the search is effectively performed is answered by the mailbox method.

That is, it is assumed that a facsimile message having a fixed width × length is communicated once every 3 seconds (digital radio) or 20 seconds (analog radio), using a small zone low power radio wave and wired. By providing a memory center in the relay network and converting the facsimile telegram into a mailbox, the mobile facsimile can be downsized to a pager size and the traffic capacity can be increased. It does not cause a shortage of radio waves even if it is widely used.

[0009]

Embodiments of the present invention will now be described in detail with reference to the drawings. The present invention is characterized by having the following configuration in order to enable downsizing and shortening of communication time. (1) Limit the size of the original to be handled to limit the size of the facsimile electronic message. (2) The amount of power required by the portable wireless facsimile apparatus is reduced by the small zone wireless system that divides the usable area of the portable wireless facsimile apparatus into small areas. (3) The configuration of the portable wireless facsimile apparatus is simplified by exchanging signals in the wired network. (4) By adopting the mailbox type, it is not necessary to search the position of the portable wireless facsimile device, and the burden on the portable wireless facsimile device required for the position search of the portable wireless facsimile device is reduced.

The above features will be described below in order.
First, the external appearance of the portable wireless facsimile apparatus of the present invention will be described. FIG. 1 is a perspective view of a portable wireless facsimile apparatus of the present invention. The portable wireless facsimile apparatus 1 has a function of transmitting and receiving a facsimile, and has a display unit 2, an input unit for buttons, a receiving paper window 61 to which a receiving paper 62 is sent out, on its outer portion. A reading window 71 for reading paper for transmission and an antenna 41 for transmission / reception
Is installed. The buttons of the input section include, for example, a search button 31, a number button 32, a document read button 33, and a power button 34. The display unit 2 is, for example, L
It is composed of a CD and is used for presetting destinations. In the portable wireless facsimile apparatus 1 of the present invention, the size of the facsimile electronic message is limited, so that the facsimile apparatus can be downsized and the communication time can be shortened. The limitation of the size of the facsimile message is that the size of the document to be handled is, for example, 20 to 30 m in width.
It is realized by setting m and the length to about 20 cm. The size of this document is A4 with a length of 20 to 30 mm.
It corresponds to a manuscript with a short print width. By limiting the size of the original, the facsimile machine can be made smaller, and the time required for sending and receiving can be shortened,
It is possible to send and receive a large number of pieces of information within the limited number of channels. The original is read by the reading sensor of the portable wireless facsimile machine and printed by the print head.

FIG. 2 is a circuit block diagram of the portable radio facsimile apparatus of the present invention. The circuit includes a display unit 2, an input unit 3, a wireless unit 4, a signal processing unit 5, a printing unit 6, and a reading unit 7.
Composed of and. Here, the signal processing unit 5 is the CPU 5
1, an image memory 52, and a modem 53.
In this circuit block diagram, an outline of the signal flow in the case of reception will be described. The radio wave received via the antenna becomes a reception signal in the radio unit 4, is demodulated by the modem 53, and becomes a demodulation signal. This demodulated signal is sent to the image memory 5
2 and then printed on the printing unit 6. Control of signal processing is performed by the CPU 51. On the other hand, the outline of the signal flow in the case of transmission is as follows. The facsimile message to be transmitted by pressing the document read button 33 in FIG. 1 is read by the reading unit 7 and stored in the image memory 52, modulated by the modem 53, and modulated by the wireless unit. The signal is transmitted from the antenna via No. 4. In this case, the destination is selected by selecting the destination with the number buttons 32 or the search button 31.

The modem 53 is 2400 if it is an analog line.
The control signal and the facsimile image signal are transmitted and received by using a modem of 4800 bps. Further, in the case of multiple access of digital 1,9 GHz, a radio wave number line is used for transmission / reception switching communication of 16 to 32 kbps. Next, the small zone wireless system will be described with reference to FIG.

The portable radio facsimile apparatus 1 transmits / receives image signals via the memory center 82. When the portable radio facsimile apparatus 1 has sufficient power to enable long-distance transmission / reception, the memory center 82
Image signals can be transmitted and received in a wide area directly or via the pole station 42. However, in the case where the portable wireless facsimile apparatus 1 is small and does not have sufficient power for long-distance transmission / reception, it can be used in a wide area either directly with the memory center 82 or via a distant pole station 42. You cannot send or receive image signals. Therefore, the usable range of the portable wireless facsimile device 1 is subdivided into small zones of several hundred meters, and the pole stations 42 are installed in the respective small zones so that the portable wireless facsimile device 1 is in the present zone. Pole station 42
It is connected to the memory center 82 via. By allocating radio waves of several lines to this zone, it is possible to transmit and receive over a long distance even with a small portable wireless facsimile apparatus 1 having a small transmitting and receiving capability.

In the figure, for example, large zones A to D are shown.
Of the small zones A to D, and the pole stations 42-A to 42-D are installed in the respective small zones A to D. Taking the small zone A as an example, the portable wireless facsimile apparatus 1-A is currently in the small zone A.
It is connected to the pole station 42A in the small zone A. This is because the portable wireless facsimile apparatus 1-A has a small transmission / reception capability and is not connected to the pole station 42 in another small zone. After that, the pole station 42A transmits and receives signals via a wired network.
It is connected to the memory center 82 via the telephone exchange 81-A. In the memory center 82, another portable wireless facsimile apparatus, for example, the portable wireless facsimile apparatus 1-D shown in the figure,
Alternatively, a facsimile signal from the ordinary telephone side facsimile device F is stored, and information can be obtained by receiving this facsimile signal.

With this small zone radio system, the amount of power required by the portable radio facsimile apparatus can be reduced, and the portable radio facsimile apparatus can be miniaturized. Next, the point that signal exchange is performed in a wired network will be described. Figure 4
FIG. 4 is a connection diagram of the pole station 42 and the memory center 82. The pole station 42 in each small zone or in a facility such as a building is wirelessly connected to a portable wireless facsimile machine, and thereafter, a telephone exchange 8 using a subscriber line or a dedicated line of a wired network or an ISDN line.
1 and is connected to the memory center 82 in the relay network. The memory center 82 has a memory area 83 and C
It has a PU 84, and signal exchange is performed in the CPU 84 or the telephone exchange 81. By performing the signal exchange on the wired network side, it is not necessary to provide a configuration for this signal exchange function on the portable wireless facsimile device side, and the configuration of the portable wireless facsimile device can be simplified.

Next, the facsimile transmission by the mailbox type will be described. In FIG. 4, the memory center 82 has a memory area 83, and a facsimile signal from the portable radio facsimile apparatus 1 or the general telephone side facsimile apparatus F is temporarily stored in this memory area 83.
Memorized in. The method of the mobile wireless facsimile apparatus by the mailbox method is performed as follows. When the portable wireless facsimile machine receives a facsimile signal,
If necessary, call from the mobile wireless facsimile machine, search the self-addressed mailbox in the relay network of the wired algae network, and if there is a facsimile message, receive polling,
Answer that the fax message and the search were performed effectively even if there is no fax message. by this,
The procedure for directly searching the position of the portable wireless facsimile device can be omitted, and the device therefor can be omitted to reduce the size of the portable wireless facsimile device.

Next, a signal procedure of the portable radio facsimile apparatus of the present invention will be described. First, the procedure when the portable wireless facsimile apparatus makes a call will be described with reference to FIG. 5, then the procedure when the portable wireless facsimile apparatus receives a facsimile signal will be described with reference to FIG. 6, and the ordinary telephone side facsimile apparatus will be described with reference to FIG. The procedure for transmitting a facsimile signal from the portable telephone to the memory center will be described. Finally, referring to FIG. 8, the procedure for transmitting and receiving a facsimile signal between the portable wireless facsimile apparatus or between the portable wireless facsimile apparatus and the general telephone side facsimile apparatus will be described. explain.

First, the procedure when the portable wireless facsimile device makes a call will be described. In FIG. 5, when the call button of the portable wireless facsimile apparatus is pushed, an access signal is transmitted. The access signal is automatically accessed to the memory center through the pole station and the telephone exchange in the small zone where the portable wireless facsimile machine is present. Next, a predetermined address is searched by the CPU control in the memory center by the self-name signal of the portable wireless facsimile device, and a facsimile message addressed to the portable wireless facsimile device is searched. If there is a facsimile message addressed to the portable wireless facsimile device, it will be sent with priority,
It is received by the portable wireless facsimile machine. When there is no facsimile message, a radio wave ready signal is returned and the ready lamp of the portable radio facsimile apparatus is lit to indicate that the radio wave is valid and ready for transmission.

Next, a procedure when the portable radio facsimile apparatus receives a facsimile signal will be described. In FIG. 6, the facsimile signal from the memory center has a short side with a width of 20 to 30 mm as the main scanning direction and a length of 20 c.
A MH or MR compressed signal for facsimile is sent in which the long side of m is the sub-scanning direction. This facsimile signal is easily decoded by the portable wireless facsimile apparatus and stored in the image memory. The facsimile signal stored in the image memory is later printed on the tape-shaped output paper in the printing unit. Printing can be performed by either a thermal method or an ink bubble jet method. The communication time at this time is about 20 seconds for an analog signal and about 3 to 5 seconds for a digital signal.

Next, the procedure for transmitting a facsimile signal from the ordinary telephone facsimile machine to the memory center will be described. In FIG. 7, when transmitting from a standard telephone subscriber's standard G3 facsimile apparatus, first,
A special number "OXYZ" is used to connect to the memory center, and subsequently a 6-8 digit portable number is dialed to identify the portable wireless facsimile apparatus of the transmission destination. Then, a facsimile telegram having a length of 20 to 30 mm is sent in A4 size. The memory center receives this mobile phone number and facsimile message,
Decode. And the length is 20-30mm in A4 size
The vertical and horizontal directions of the image of the facsimile message transmitted in this form are converted into a MH or MR compressed signal which is easily received by the portable wireless facsimile device, and the compressed signal is written in the memory bank at the address of the portable wireless facsimile device.

Finally, a procedure for transmitting / receiving a facsimile signal between the portable radio facsimile machines or between the portable radio facsimile machine and the general telephone side facsimile machine will be described. In FIG. 8, when making a call from the portable wireless facsimile apparatus, the width is 20 to 30 m in advance.
Facsimile telegram is written on plain paper of 20 cm in length of m, and this is inserted into the reading window of the portable radio facsimile apparatus and read. Read this message and MH
Alternatively, the MR is coded and stored in the image memory in the portable wireless facsimile apparatus. Next, the communication destination is set by using the numeric buttons, or the preset communication destination is selected and then the call button is pressed to connect to the memory center in the relay network. If the memory center is ready for reception, the radio ready signal is returned. Then, a destination signal and a facsimile signal are sent from the portable wireless facsimile apparatus to the memory center. In the memory center, the CPU operates the standard G3 facsimile machine to convert the image vertically and horizontally and drives the telephone exchange in the relay network to send the facsimile signal to the partner standard G3 facsimile machine. When the transmission partner is a portable wireless facsimile machine, when there are a plurality of memory centers, the image signal is transferred from the memory center to the receiving side memory center as it is and stored in the memory area. Next, when the called-side portable wireless facsimile device makes a call, an image signal is sent from the memory center to the called portable wireless facsimile device.

The present invention is not limited to the above embodiments, and various modifications can be made within the scope of the present invention, and these modifications are not excluded from the scope of the present invention.

[0023]

As described above in detail, according to the present invention, by utilizing a part of the radio waves for a small zone wireless telephone of an analog radio or a digital radio system, a mobile phone having a considerably large capacity is obtained. A facsimile machine can be connected. The portable wireless facsimile machine is as small and inexpensive as a pager and can be connected to each other as well as to a standard G3 facsimile machine. The displayed contents can be displayed in much more detail than a pager, and any portable wireless facsimile device can freely instruct other portable wireless facsimile devices.

[Brief description of drawings]

FIG. 1 is a perspective view of a portable wireless facsimile apparatus of the present invention.

FIG. 2 is a circuit block diagram of the portable wireless facsimile apparatus of the present invention.

FIG. 3 is an explanatory diagram of a small zone wireless system of the present invention.

FIG. 4 is an explanatory diagram of a mailbox system of the present invention.

FIG. 5 is an explanatory diagram of a procedure when the portable wireless facsimile apparatus of the present invention makes a call.

FIG. 6 is a procedure explanatory diagram when the portable wireless facsimile apparatus of the present invention receives a facsimile signal.

FIG. 7 is an explanatory diagram of a procedure for transmitting a facsimile signal from the ordinary telephone facsimile machine of the present invention to the memory center.

FIG. 8 is a procedure explanatory diagram when transmitting and receiving a facsimile signal between the portable wireless facsimile apparatus of the present invention and another facsimile apparatus.

[Explanation of symbols]

 1 Portable Wireless Facsimile Device 2 Display Section 3 Input Section 4 Wireless Section 6 Printing Section 7 Reading Section 31 Search Button 32 Numeric Button 33 Original Read Button 34 Power Button 41 Antenna 42 Pole Station 43 Building Facility 51, 84 CPU 52 Image Memory 53 Modem 61 Window for receiving paper 62 Reception paper 71 Reading window 81 Telephone exchange 82 Memory center 83 Memory area A to D Wireless zone

Claims (4)

[Claims] 1. A portable wireless facsimile apparatus, characterized in that the length of facsimile information transmitted / received in one transmission is set to a set length or less. 2. The portable wireless facsimile apparatus according to claim 1, wherein the transmission is performed wirelessly via a poll station installed in each small zone in a wireless communication zone consisting of a plurality of divided small zones. 3. The portable wireless facsimile apparatus according to claim 1, wherein the transmission is performed via a wired network with a memory center which is provided corresponding to the wireless communication zone and stores facsimile information. .. 4. The portable wireless facsimile apparatus according to claim 3, wherein the transmission of the facsimile information from the memory center in the transmission is performed by a calling signal.