JPS5963845A - Controlling method of transmission - Google Patents

Controlling method of transmission

Info

Publication number
JPS5963845A
JPS5963845A JP57173692A JP17369282A JPS5963845A JP S5963845 A JPS5963845 A JP S5963845A JP 57173692 A JP57173692 A JP 57173692A JP 17369282 A JP17369282 A JP 17369282A JP S5963845 A JPS5963845 A JP S5963845A
Authority
JP
Japan
Prior art keywords
circuit
address
data transmission
subscriber
control
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP57173692A
Other languages
Japanese (ja)
Inventor
Takahito Okumura
奥村 隆仁
Masahiko Kitamura
雅彦 北村
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic System Solutions Japan Co Ltd
Original Assignee
Matsushita Graphic Communication Systems Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Matsushita Graphic Communication Systems Inc filed Critical Matsushita Graphic Communication Systems Inc
Priority to JP57173692A priority Critical patent/JPS5963845A/en
Publication of JPS5963845A publication Critical patent/JPS5963845A/en
Pending legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/0008Modulated-carrier systems arrangements for allowing a transmitter or receiver to use more than one type of modulation

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Communication Control (AREA)

Abstract

PURPOSE:To speed up switching in a system switching an automatically modulating method, encoding method, etc. in accordance with an opposite to be communicated by executing automatic switching by address indication based upon a calling signal. CONSTITUTION:In order to match automatically the modulating or encoding method of a transmitting means in a data transmitting device with the opposite station, a selection controlling means is connected. The controlling means consists of a storage circuit 6, address specifying means 4, 5 and a controlling circuit 27. The address specifying means 4 inputs an address signal corresponding to the calling number of a calling subscriber in the storage circuit 6. Control information corresponding to each subscriber is stored in the storage circuit 6. On the basis of the control information, the controlling circuit 27 matches automatically the modulating or encoding method of a data transmitting circuit 17 to that of the terminating subscriber.

Description

【発明の詳細な説明】 産業上の利用分野 本発明は、変調方式や符号化方式等の切替えが可能なデ
ータ伝送装置に関し、特に、そのようなデータ伝送装置
において、通信相手に応じて変調方式−や符号化方式等
を自動的に選択するだめの伝送制御方式に関する。
DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application The present invention relates to a data transmission device capable of switching modulation methods, coding methods, etc. The present invention relates to a transmission control method that automatically selects a mode, encoding method, etc.

従来例の構成とその問題点 データ伝送を市営に行うためには、送信側装置と受信側
装置の変調方式、符号化方式、さらには伝送制御方式等
を整合させる必要がある。そこで、従来のデータ伝送装
置の中には、変調方式や符号化方式等を切替え可能なデ
ータ伝送手段を備えるものがある。このようなデータ伝
送装置は、通信相手に応じてデータ伝送手段の変調方式
や符号化、方式等を適切に選択することにより、種々の
変調方式や符号化方式等を採用している通信相手とデー
タ伝送を行うことができる。
Conventional configuration and its problems In order to perform data transmission on a municipal basis, it is necessary to match the modulation method, coding method, transmission control method, etc. of the transmitting side device and the receiving side device. Therefore, some conventional data transmission devices are equipped with data transmission means that can switch modulation methods, encoding methods, and the like. Such data transmission equipment can communicate with communication partners that employ various modulation methods, coding methods, etc. by appropriately selecting the modulation method, encoding method, etc. of the data transmission means depending on the communication partner. Data transmission can be performed.

このような従来のデータ伝送装置において、変調力式や
符号化方式等の選択を行う方式には次の2110りがあ
った。
In such conventional data transmission devices, there are the following 2110 methods for selecting modulation power type, encoding method, etc.

1つは、通信を開始するに先立って、データ伝送装置の
操作入力部トのスイッチを通信相手に応じて適切に設定
操作し、その設定にしたがってデータ伝送手段の変調方
式や符号化方式等を選択させる方式である。しかしこの
方式は、通信相手か変わる毎にスイッチ操作を行うとい
う煩わしさがある。
First, before starting communication, set the switch on the operation input section of the data transmission device appropriately depending on the communication partner, and set the modulation method, encoding method, etc. of the data transmission means according to the settings. This is a method that allows you to choose. However, this method has the trouble of having to operate a switch every time the communication partner changes.

もう1つは、通信相手との回線確立後、通信制御信づを
交換しながら適切な変調方式や符号化方式等を自動的に
選択する方式である。しかしこの方式は、通信制御信号
そのものが伝送手順の一部であるから、伝送手順の異な
る通信相手との間で適用するにlは本質的に無理があり
、また、変調方式や符号化方式等を適切に選択するまで
にかなりの時間がかかる。
The other method is to automatically select an appropriate modulation method, encoding method, etc. while exchanging communication control signals after establishing a line with a communication partner. However, in this method, since the communication control signal itself is part of the transmission procedure, it is essentially impossible to apply it between communication partners with different transmission procedures, and the modulation method, coding method, etc. It takes a considerable amount of time to choose the right one.

発明の目的 本発明は、前記のような問題点を解消し、通信相手に応
じてデータ伝送装置の変調方式や符号化方式等を迅速に
自動的に選択するだめの伝送制御方式を提供することを
目的とする。
Purpose of the Invention The present invention solves the above-mentioned problems and provides a transmission control method that quickly and automatically selects the modulation method, encoding method, etc. of a data transmission device depending on the communication partner. With the goal.

発明の構成 本発明によれは、データ伝送装置内のデータ伝送手段の
変調方式や符号化方式等の選択制@1のために、記憶手
段、アドレス指定手段、および制御手段が設けられる。
Structure of the Invention According to the present invention, storage means, addressing means, and control means are provided for selecting the modulation method, encoding method, etc. of the data transmission means in the data transmission device.

そして、前記のアドレス指定手段は、通信しようとする
加入者との通信回線を接続するためにデータ伝送装置内
で発生する呼出信号を検出し、その加入者に対応するア
ドレスを前記記憶手段に指定するように構成される。ま
た1)1■記の制御手段は、前記アドレス指定手段によ
り指定された前記記憶手段のアドレスに記憶されている
制御清報にしたがって、データ伝送装置内のデータ伝送
手段の変調方式や符号化方式等を選択するように構成さ
れる。
The addressing means detects a paging signal generated within the data transmission device to connect a communication line with a subscriber with whom communication is to be made, and designates an address corresponding to the subscriber in the storage means. configured to do so. In addition, 1) the control means described in 1) controls the modulation method and encoding method of the data transmission means in the data transmission device according to the control information stored in the address of the storage means designated by the address designation means. etc. is configured to select.

即ち本発明は、加入者の呼出しとほぼ同時に、その加入
者に適合した変調方式や符号化方式等を迅速かつ自動的
に選択する構成である。
That is, the present invention is configured to quickly and automatically select a modulation method, encoding method, etc. suitable for the subscriber almost at the same time as the subscriber calls.

以下、データ伝送装置として代表的なファクシミリ送信
装置を例にし、て、本発明を具体的に説明する。
Hereinafter, the present invention will be specifically explained using a facsimile transmission device as an example, which is a typical data transmission device.

実施例の説明 図(性、本発明の一実施例によるファクシミリ送信装置
の(既略ブロック図である。
1 is a schematic block diagram of a facsimile transmission apparatus according to an embodiment of the present invention; FIG.

1は電話機、2は自動ダイヤル装置であり、共に呼出信
号の送出手段である。これらは本ファク7ミリ送信装置
に内蔵しても、外部に別体に設けてもよい。3は網制御
回路であり、通信回線の接続を制御する。前記の呼出信
号はこの網制御回路3に入力される。
Reference numeral 1 indicates a telephone set, and 2 indicates an automatic dialing device, both of which are means for sending out a calling signal. These may be built into the present facsimile 7mm transmitter, or may be provided separately outside. 3 is a network control circuit, which controls the connection of communication lines. The above call signal is input to this network control circuit 3.

4は呼出信号検出回路、5は信号変換回路であり、これ
らは記憶回路6に対するアドレス指定手段を構成する。
4 is a calling signal detection circuit, and 5 is a signal conversion circuit, which constitute addressing means for the storage circuit 6.

呼出信号検出回路4id1網制御回路3から入力される
呼出信号を検出すると、その呼出信号に相当する呼出番
号を符号化して直列データとして出力する。この直列デ
ータは信号変換回路5により並列データに直並列変換さ
れ、アドレヘ信号と゛して記憶回路6に供給される。こ
の記憶回路6は、後述の制御情報を記憶するためのもの
である。7はト■!作入力部である。
When the calling signal detection circuit 4id1 detects a calling signal input from the network control circuit 3, it encodes the calling number corresponding to the calling signal and outputs it as serial data. This serial data is serial-parallel converted into parallel data by the signal conversion circuit 5, and is supplied to the storage circuit 6 as an address signal. This storage circuit 6 is for storing control information to be described later. 7 is to■! This is the input section.

8は画像R1コ取装置であり、紙送りローラ9J 9b
V(よって送信源11“1“Hoを送りながら螢光灯1
1 J 11bで照明12、送伝原稿1oからの反射光
をレンズ系12で東光して固体撮像素子13に結像させ
、画素単位の電気信号に変換して画信号処理回路14に
入力し、そこで所定の処理を施して送信データとしての
画信袖を出力する構成である。この画像読取装置8から
出力される画信号はラインメモリ16に一時蓄積された
後、データ伝送回路17へ送出さiする。
8 is an image R1 collecting device, and paper feed rollers 9J 9b
V (therefore, while transmitting source 11 "1" Ho
1 J 11b, the illumination 12 and the reflected light from the transmission document 1o are reflected by the lens system 12 to form an image on the solid-state image sensor 13, which is converted into an electric signal for each pixel and input to the image signal processing circuit 14. Therefore, the configuration is such that a predetermined process is performed and the image sleeve is output as transmission data. The image signal output from the image reading device 8 is temporarily stored in the line memory 16 and then sent to the data transmission circuit 17.

このデータ伝送回路17は、ストッナ18,19.20
,21の接続を制御することにより、変調方式と符シJ
化方式を切り替えることができる。その構成を説明する
と、22は国際電信電話諮問委員会(cc工’rr)で
勧告されたモデフアイト・ノ・フマン(MH)方式の符
号化回路、23はCCITT勧告のモデフアイト・リー
ド(MR)方式の符号化回路である。24は直交振幅変
調回路、25は振幅位相変調回路、26は周波数変調回
路である。スイッチ18は、ラインメモリ16の1」j
カを、杓弓化回路22 、23i1111と各変調回路
25.2g側に切替え接続する。スイッチ21は各変調
回路25゜26の出力を選択する。スイッチ19は符号
化回路22.23の出力を選択的に直交振幅変調回路2
4に接続する。スイッチ2oは、スイッチ21と直交振
幅変調回路24の一方を選択して網制御回路3に接続す
る。
This data transmission circuit 17 includes stockers 18, 19, 20
, 21, the modulation method and symbol J
You can switch the conversion method. To explain its configuration, 22 is an encoding circuit of the modefit no fuman (MH) system recommended by the International Telegraph and Telephone Consultative Committee (CC Engineering'RR), and 23 is a coding circuit of the modefit read (MR) system recommended by the CCITT. This is an encoding circuit. 24 is a quadrature amplitude modulation circuit, 25 is an amplitude phase modulation circuit, and 26 is a frequency modulation circuit. The switch 18 is connected to the line memory 16.
The power is switched and connected to the scooping circuits 22, 23i1111 and each modulation circuit 25.2g. Switch 21 selects the output of each modulation circuit 25, 26. A switch 19 selectively transfers the outputs of the encoding circuits 22 and 23 to the quadrature amplitude modulation circuit 2.
Connect to 4. The switch 2o selects one of the switch 21 and the orthogonal amplitude modulation circuit 24 and connects it to the network control circuit 3.

27は制御回路である。この制御回路27は、信号変換
回路6から出力されるアドレス信号によって指定された
記憶回路6のアドレスからflu彫11情報を読み出し
、その制御情報にしたかって前記のスイッチ18〜21
を操作することにより、データ伝送回路17の変調方式
と符号化方式を選択する。本実施例では記憶回路6に記
憶される制御情報に応じて、データ伝送回路17の変調
方式と符号化方式を次の表1に示す4通りに切替え可能
である。
27 is a control circuit. The control circuit 27 reads out the flu engraving 11 information from the address of the storage circuit 6 specified by the address signal output from the signal conversion circuit 6, and uses the flu engraving 11 information as the control information to control the switches 18 to 21.
By operating , the modulation method and encoding method of the data transmission circuit 17 are selected. In this embodiment, depending on the control information stored in the storage circuit 6, the modulation method and encoding method of the data transmission circuit 17 can be switched to four methods shown in Table 1 below.

表1 次に、本ファクシミリ送信装置の動作を説明するか、理
解を容易にするために先ずファクシミリj+I’i (
r’iの−・1敗的動作について簡単に説明する。
Table 1 Next, to explain the operation of this facsimile transmitting device, or to facilitate understanding, first facsimile j+I'i (
The −·1-defective behavior of r'i will be briefly explained.

)7り/ミリ通信においては、先ず送信(Illから呼
出信号−を送出し、受信側と送信側との間の通信回線を
:接続する。、通信回線が確立すると、送信側)=受f
ir 11111の間で伝送制御手順にしたがって通信
制御信号を交換することにより、通信準備を行う。
) In 7-ri/millimeter communication, first send a calling signal from Ill and connect the communication line between the receiving side and the sending side. When the communication line is established, the sending side) = receiving f
Communication preparations are made by exchanging communication control signals between the irs 11111 and IR 11111 according to a transmission control procedure.

i+t’i ’1.′V(v−備全完了すると、送信側
から受信側へ画信号を送信する1、すべての画信号を送
信し終えると、送信(+!I+と受信側の間で伝送制御
手順にしだがって通信制御信号を交換17、通信終了お
よび通信回線の切断を行う。
i+t'i '1. 'V (v- When the preparation is completed, the image signal is sent from the transmitting side to the receiving side. 1. When all the image signals have been transmitted, the transmission (+!I+ and the receiving side follow the transmission control procedure. The communication control signals are exchanged 17, and the communication is terminated and the communication line is disconnected.

さて本ファクシミリ送信装置においては、以下のような
動作によって上記のような〕7り/ミリ通イ1−1を行
う。
Now, in this facsimile transmitting apparatus, the above-mentioned 7/millimeter communication 1-1 is performed by the following operations.

寸ず、通信しようとする加入者に対する呼出信シフを電
話機1」たは自1幼ダイヤル装置2がらI凶出J〜ると
、この呼出購シ引ζJ:、網制御回路3を経由[7て通
信回線網へ送出され、その加入者との間の通信回線の接
続が行われる。
Immediately, when a call is sent to the subscriber who is trying to communicate with the subscriber, the telephone number 1 or the telephone number dialing device 2 outputs the call, and the call is sent via the network control circuit 3 [7]. The information is sent to the communication line network, and the communication line is connected to the subscriber.

寸だ、呼出信号は網制御回路3を経由して呼出信号検出
回路4へも送られるため、呼−び出している加入者の呼
出番号に対応するアドレス1に号が信′T3変換回路5
から出力される。その結果、記・1゜all−I回路6
のその加入者に対応のアドレスに記・1.((されてい
る制御情報が制御回路27に読み出さ11る。その制御
情報が(001)2.(010)2.(011)2゜(
100)2のいずれかであれば、制御回路27はそのi
l制御情報にしたがってデータ伝送回路17内のスイッ
チ18〜21を制御し、符号化方式と変調方式を選択す
る(表1参照)。例えば、制御情報が(001)2の場
合は、スイッチ18を符号化回路22 、23flll
lに切り替え、スイッチ19をMR方式の符号化回路2
3側へ切り替え、スイッチ2oを直交振幅変調回路24
側へ切り替え、データ伝送回路17の変調方式として直
交振幅変調方式を、−;l′だ符号化方式としてMR方
式をそれぞれ選択する。
Since the paging signal is also sent to the paging signal detection circuit 4 via the network control circuit 3, the signal is sent to the address 1 corresponding to the calling number of the subscriber who is calling.
is output from. As a result, 1゜all-I circuit 6
1. Write in the address corresponding to that subscriber. (() is read out to the control circuit 27. The control information is (001) 2.
100) 2, the control circuit 27
The switches 18 to 21 in the data transmission circuit 17 are controlled according to the control information to select the encoding method and modulation method (see Table 1). For example, when the control information is (001)2, the switch 18 is connected to the encoding circuit 22, 23flll
1 and switch 19 to MR encoding circuit 2.
switch 2o to the quadrature amplitude modulation circuit 24.
Then, the quadrature amplitude modulation method is selected as the modulation method of the data transmission circuit 17, and the MR method is selected as the -;l' encoding method.

し7たかって、加入者毎にそのファクシミリ受信装置の
型式に応じた適切な制°御隋報を記憶回路27に1je
憶させておけは、加入者の1呼出しとほぼ同時に本ノ7
り/ミリ送信装置の変調方式と符月化方式を、商切にJ
刺ノ<さぜることかでき、それに続く送受信間の:jf
l イ1)制御信号の交換を最小時間で行うことか−C
きる1、この面信制m信号の交換は制御回路270制省
11の1−に行われるが、これは従来と同様でよいので
j洋、■説明は省略する。
Therefore, appropriate control information is stored in the storage circuit 27 for each subscriber according to the model of the facsimile receiving device.
Please remember that Honno 7 is sent almost at the same time as the subscriber makes a call.
The modulation method and coding method for the ri/millimeter transmitter will be commercially available.
Sashino < sazare ka deki, followed by between sending and receiving: jf
l B1) Is it possible to exchange control signals in the minimum time?-C
1. This exchange of face contact m signals is carried out in the control circuit 270 control circuit 11 1-, but since this may be the same as the conventional one, the explanation will be omitted.

4゛お、フ7クンミ’lJ通信の場合、伝送データは画
素データであり伝送制御手順の切替えは殆ど心安ないの
で、本実施例のファクシミリ送信装置でも伝送制御手順
の切替えは行わないようになっている1、もし、伝送制
御手順の切替えが必要なら、例えば、異なったいくつか
の伝送制御手順のだめのプログラムを制御回路27に内
蔵させておき、′ 記憶回路6から読み出された制御情
報にしたがって、制御回路27において適切なプログラ
ムを選択[7て実行するというように構成すれはよい。
4゛Oh, in the case of FU7KUNMI'lJ communication, the transmission data is pixel data and switching the transmission control procedure is almost inconvenient, so the facsimile transmitter of this embodiment also does not switch the transmission control procedure. 1. If it is necessary to switch the transmission control procedure, for example, the control circuit 27 may have built-in programs for several different transmission control procedures, and the control information read from the memory circuit 6 may be Therefore, it is preferable that the control circuit 27 selects and executes an appropriate program.

さて、通信制御信号の交換によって送受信側の双方にお
いて通信準備を完了すると、本ファクシミリ送信装置は
画1象読取装置8を起動させ、送イ菖原稿10の6売取
りを開始させる。画像読取装置8より出力される画信号
はラインバッファ16(/こ一時蓄積された後、デ〜り
伝送回路17へ順次入力される。データ伝送回路17は
、制御回路27によって選択された方式で画信月を符号
化しくあるいは符号化せず)、ついで変調する。データ
伝送回路17の出力信号は網制御回路3より通信回線へ
・送出され、通信相手の77クシミ17受信装置へ伝送
さ′れる。
Now, when communication preparations are completed on both the sending and receiving sides by exchanging communication control signals, the present facsimile transmitting device activates the image reading device 8 and starts selling the sent iris manuscript 10. The image signal output from the image reading device 8 is temporarily stored in the line buffer 16 (/) and then sequentially input to the data transmission circuit 17. The data transmission circuit 17 uses the method selected by the control circuit 27. (with or without encoding) and then modulating it. The output signal of the data transmission circuit 17 is sent out from the network control circuit 3 to the communication line, and is transmitted to the 77 comb 17 receiving device of the communicating party.

このようにして、画信号の伝送を終了すると、本ファク
シミリ送信装置と通信相手のファクシミリ受信装置との
間で通信制御信号が交換され、通信終了および通信回線
の切断が行わ7Lる。
When the transmission of the image signal is completed in this way, communication control signals are exchanged between the present facsimile transmitting device and the communicating party's facsimile receiving device, and the communication is terminated and the communication line is disconnected (7L).

なお、ある加入者の呼出し時に、その加入者に対応する
記憶回路6のアドレスに有効な制御情報が記憶されてい
ない場合、例えばそのアドレスの記憶内容が(QC)O
) 2の場合、制御回路27は操作入力部7の設定条件
にしたがってデータ伝送回路17の符号化方式と変調方
式を選択する。その後、通信に成功すると、制御回路2
7はその時の操作入力部7の設定条件(あるいはスイッ
チ18〜21の状態)から一義的に決捷る制御情報を、
信号変換回路5から出力されるアドレス信号で指定され
/こ記・1.(\11]1路6のアドレスに記憶させる
。その加入とと次回以IS午の妊イ11時は、操作入力
部7の操作は不要であり、ijL憶回路6に記憶させた
制御情報にしたかって、データ伝送回路の符号化方式と
変調方式か自動的に選択される。
Note that when a certain subscriber calls, if valid control information is not stored in the address of the storage circuit 6 corresponding to that subscriber, for example, if the stored content of that address is (QC)O
) In case 2, the control circuit 27 selects the encoding method and modulation method of the data transmission circuit 17 according to the setting conditions of the operation input section 7. After that, if the communication is successful, the control circuit 2
7 is control information that is determined uniquely from the setting conditions of the operation input section 7 (or the states of the switches 18 to 21) at that time,
Specified by the address signal output from the signal conversion circuit 5/Note 1. (\11] It is stored in the address of 1 path 6. After that addition, there is no need to operate the operation input section 7 at 11 o'clock on the next IS day, and the control information stored in the ijL storage circuit 6 is Therefore, the encoding method and modulation method of the data transmission circuit are automatically selected.

以−1−、ファクシミリ送信装置について説明したか、
本発明はファクシミリ送信装置に限らず種々のデータ伝
送装置に一般的に適用できることは言うまでもない。さ
らに、前記実施例では、制御情報にしたがって符号化方
式と変調方式のみ自動選択させるようにしたが、伝送制
御手順や伝送データの形式変換方式等についても必要に
応じて自動選択させるようにしてもよい。伝送制御手順
の自動選択については前述した通りであるので、伝送デ
ータ形式変換方式の自動選択について簡単に説明する1
0例えば、源データとして数字や記号のコード・データ
を扱うデータ伝送装置の場合、通信相手がコード・デー
タを扱う受信装置であれは、コード・データを形式変換
することなく送信できる。−、シかし、通信イ・目子が
ファクシミリ受信装置の場合、コ−1・・データをパタ
ーン・)−夕に展開した1−でラインl’1月1′7.
の画素データに変換する必要がある。このような伝送デ
ータ形式の変向方式の自動選択は、前記実施例と同様に
、記憶回路に加入者対応に記憶した制御情報にしたかつ
て、伝送データ形式の変換手段を制御させる構成により
容易に実現できる。
Below-1-, have you explained the facsimile transmission device?
It goes without saying that the present invention is generally applicable not only to facsimile transmission apparatuses but also to various data transmission apparatuses. Furthermore, in the embodiment described above, only the encoding method and modulation method are automatically selected according to the control information, but it is also possible to automatically select the transmission control procedure, the format conversion method of the transmitted data, etc. as necessary. good. The automatic selection of the transmission control procedure is as described above, so the automatic selection of the transmission data format conversion method will be briefly explained in Section 1.
For example, in the case of a data transmission device that handles code data of numbers and symbols as source data, if the communication partner is a receiving device that handles code data, the code data can be transmitted without converting the format. - If the communication item is a facsimile receiving device, send the data to the pattern () - 1- developed in the evening on the line l'January 1'7.
pixel data. Such automatic selection of the transmission data format conversion method can be easily performed by using a configuration in which the transmission data format conversion means is controlled using control information stored in the storage circuit corresponding to the subscriber, as in the embodiment described above. realizable.

発明の効果 本発明は以−Lに詳述したように、データ伝送手段の符
号化方式や変調方式等の自動選択を行うだめの制御情報
を、呼出信号に基づいてアドレス指定される記憶手段か
ら読み出すから、伝送制御手順の相異する通信相手との
通信時にも、データ伝送手段の符1j″化方式や変調方
式等を迅速に選択することができ、また、この選択は自
動的に行うため煩1つしい手動操作を省くことができ、
データ伝送装置の伝14効率や操作性を大幅に改善でき
る。
Effects of the Invention As described in detail below, the present invention provides control information for automatically selecting the encoding method, modulation method, etc. of the data transmission means from the storage means addressed based on the paging signal. Because it is read out, it is possible to quickly select the coding method, modulation method, etc. of the data transmission means even when communicating with a communication partner with a different transmission control procedure, and this selection is performed automatically. Eliminates tedious manual operations,
The transmission efficiency and operability of data transmission equipment can be greatly improved.

【図面の簡単な説明】[Brief explanation of the drawing]

図は本発明の一実施例によるファクシミリ送信装置の概
略フロック図である。
The figure is a schematic block diagram of a facsimile transmission device according to an embodiment of the present invention.

Claims (1)

【特許請求の範囲】 1)記憶手段と、任意の加入者との通信回線を接続する
ために前記データ伝送装置内で発生する呼出信弓を検出
し、その加入者に対応するアドレスを前記記憶手段に指
定するアドレス指定手段と、前記記憶手段の前記アドレ
ス指定手段で指定されたアドレスに記憶されている制御
情報にしたがって前記データ伝送手段の変調方式や符号
化方式等を選択する制御手段とを具備する伝送制御方式
。 2)制御手段は、ある加入者との通信を行う際にアドレ
ス指定手段で指定された記憶手段のアドレスに有効な制
御情報が記憶されていない場合、データ伝送装置の操作
入力部からの指定にしたがってデータ伝送手段の変調方
式や符号化方式等を選択するとともに、その選択状態に
相当する制御情報を前記アドレス指定手段で指定されて
いる前記記憶手段のアドレスに記憶させる特許請求の範
囲第1項記載の伝送制御方式。
[Scope of Claims] 1) A storage means that detects a paging call that occurs within the data transmission device to connect a communication line with an arbitrary subscriber, and stores an address corresponding to the subscriber. and control means for selecting a modulation method, encoding method, etc. of the data transmission means in accordance with control information stored in an address designated by the address designation means of the storage means. Equipped with a transmission control method. 2) When communicating with a certain subscriber, if valid control information is not stored at the address of the storage means specified by the address specifying means, the control means will respond to the specification from the operation input section of the data transmission device. Accordingly, the modulation method, encoding method, etc. of the data transmission means is selected, and control information corresponding to the selected state is stored at the address of the storage means designated by the address designation means. Transmission control method described.
JP57173692A 1982-10-01 1982-10-01 Controlling method of transmission Pending JPS5963845A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57173692A JPS5963845A (en) 1982-10-01 1982-10-01 Controlling method of transmission

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57173692A JPS5963845A (en) 1982-10-01 1982-10-01 Controlling method of transmission

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP1038645A Division JPH0256148A (en) 1989-02-17 1989-02-17 Data transmission equipment

Publications (1)

Publication Number Publication Date
JPS5963845A true JPS5963845A (en) 1984-04-11

Family

ID=15965337

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57173692A Pending JPS5963845A (en) 1982-10-01 1982-10-01 Controlling method of transmission

Country Status (1)

Country Link
JP (1) JPS5963845A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02216932A (en) * 1989-02-17 1990-08-29 Hitachi Ltd Elevator control system
EP1071237A2 (en) * 1998-01-02 2001-01-24 Mitsubishi Denki Kabushiki Kaisha Universal modem for digital video, audio and data communications
US6426946B1 (en) 1996-10-30 2002-07-30 Matsushita Graphic Communication Systems, Inc. Data communication equipment

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53133306A (en) * 1977-04-27 1978-11-21 Fujitsu Ltd Automatic data transmission control system
JPS5643863A (en) * 1979-09-18 1981-04-22 Ricoh Co Ltd Facsimile equipment
JPS5783964A (en) * 1980-11-13 1982-05-26 Nec Corp Facsimle multiple address device

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53133306A (en) * 1977-04-27 1978-11-21 Fujitsu Ltd Automatic data transmission control system
JPS5643863A (en) * 1979-09-18 1981-04-22 Ricoh Co Ltd Facsimile equipment
JPS5783964A (en) * 1980-11-13 1982-05-26 Nec Corp Facsimle multiple address device

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02216932A (en) * 1989-02-17 1990-08-29 Hitachi Ltd Elevator control system
US6426946B1 (en) 1996-10-30 2002-07-30 Matsushita Graphic Communication Systems, Inc. Data communication equipment
US6831897B2 (en) 1996-10-30 2004-12-14 Panasonic Communications Co., Ltd. Data communication apparatus
US6917593B2 (en) 1996-10-30 2005-07-12 Panasonic Communications Co., Ltd. Data communication apparatus
US7260065B2 (en) 1996-10-30 2007-08-21 Panasonic Communications Co., Ltd. Data communication apparatus
EP1071237A2 (en) * 1998-01-02 2001-01-24 Mitsubishi Denki Kabushiki Kaisha Universal modem for digital video, audio and data communications
EP1071235A2 (en) * 1998-01-02 2001-01-24 Mitsubishi Denki Kabushiki Kaisha Universal modem for digital video, audio and data communications
EP1071236A2 (en) * 1998-01-02 2001-01-24 Mitsubishi Denki Kabushiki Kaisha Universal modem for digital video, audio and data communications
EP1071237A3 (en) * 1998-01-02 2002-05-02 Mitsubishi Denki Kabushiki Kaisha Universal modem for digital video, audio and data communications
EP1071236A3 (en) * 1998-01-02 2002-10-23 Mitsubishi Denki Kabushiki Kaisha Universal modem for digital video, audio and data communications
EP1071235A3 (en) * 1998-01-02 2002-10-23 Mitsubishi Denki Kabushiki Kaisha Universal modem for digital video, audio and data communications

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