JPH03248663A - Facsimile broadcast receiver - Google Patents

Facsimile broadcast receiver

Info

Publication number
JPH03248663A
JPH03248663A JP2046241A JP4624190A JPH03248663A JP H03248663 A JPH03248663 A JP H03248663A JP 2046241 A JP2046241 A JP 2046241A JP 4624190 A JP4624190 A JP 4624190A JP H03248663 A JPH03248663 A JP H03248663A
Authority
JP
Japan
Prior art keywords
facsimile
code string
circuit
broadcast
picture
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
JP2046241A
Other languages
Japanese (ja)
Inventor
Masaaki Hasegawa
正明 長谷川
Hiroyuki Hayazaki
早崎 博之
Masayuki Sano
雅之 佐野
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.)
Sanyo Electric Co Ltd
Original Assignee
Sanyo Electric Co Ltd
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 Sanyo Electric Co Ltd filed Critical Sanyo Electric Co Ltd
Priority to JP2046241A priority Critical patent/JPH03248663A/en
Publication of JPH03248663A publication Critical patent/JPH03248663A/en
Pending legal-status Critical Current

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Abstract

PURPOSE:To facilitate the discrimination of a received original obtained by reserved reception by adding a facsimile code string to the facsimile code string of a facsimile broadcasting system. CONSTITUTION:The digital signal train of a facsimile broadcast extracted from a demodulation circuit 3 is inputted to a signal processing circuit 10, and error correction, etc., is executed. When a CPU 9 detects a program select signal, it judges the propriety of transmission to a G3 facsimile 11, and when judged to be proper, it enlarges a program number, a page number, the total number of pages, and time read out of an RTC 18 into the picture of A4 size by a picture enlarging circuit 16. After that, the CPU 9 switches a switch 12 to the facsimile broadcasting system, and executes prescribed procedure, and controls an encoding circuit 17 so as to convert an expanded picture into the facsimile code string, and executes the prescribed procedure. Then, the received original to be printed by the FAX 11 becomes a received picture added with information showing the facsimile broadcast at its head.

Description

【発明の詳細な説明】 (イ)産業上の利用分野 本発明は、放送電波に多重されたファクシミリ信号を受
信するファクシミリ放送受信装置に関する。
DETAILED DESCRIPTION OF THE INVENTION (A) Field of Industrial Application The present invention relates to a facsimile broadcast receiving apparatus that receives facsimile signals multiplexed with broadcast radio waves.

(ロ)従来の技術 昭和40年代より放送電波を利用して文字、図形、写真
などの固定した画像を伝送し、受信側で再現記録するフ
ァクシミリ放送の方法が検討され(テレビジョン学会誌
 87年2月など参照)、平成1年2月にアナログ方式
とデジタル方式の2方式が郵政大臣に答申された(を気
通信技術審議会答申 諮問第15号)。
(B) Conventional technology Since the 1960s, a method of facsimile broadcasting has been studied in which fixed images such as text, figures, and photographs are transmitted using broadcast radio waves and then reproduced and recorded on the receiving side (Journal of the Society of Television Engineers, 1987). In February 1999, two systems, an analog system and a digital system, were reported to the Minister of Posts and Telecommunications (Report of the Telecommunications Technology Council Consultation No. 15).

このうち、デジタル方式は第2図(a )(b )のよ
うな構成のフレームを1単位として、16kbpSの伝
送速度で送出される。
Among these, in the digital method, a frame having the structure as shown in FIGS. 2(a) and 2(b) is taken as one unit and is transmitted at a transmission rate of 16 kbps.

第2図(a)(b)において、MC(モードコントロー
ル信号)やPFX (プリフィックス)などの制御信号
とCHC(vAり訂正符号)、及びFC(フレーム同期
符号)を除いた部分(DAT)がランレングス符号化に
より圧縮された画像信号(画像データ)、または、番組
番号などの制御信号(制御データ)である。
In Figure 2 (a) and (b), the part (DAT) excluding control signals such as MC (mode control signal) and PFX (prefix), CHC (vA correction code), and FC (frame synchronization code) is This is an image signal (image data) compressed by run-length encoding, or a control signal (control data) such as a program number.

デジタル方式のファクシミリ放送受信装置の構成例を第
3図に示す。
FIG. 3 shows an example of the configuration of a digital facsimile broadcast receiving apparatus.

第3図において、テレビアンテナ(1)から受信された
放送電波はチューナー(2)によって、希望のチャンネ
ルが選択され、復調回路(3)で音声信号に多重された
ファクシミリ信号が抽出、復調され、デジタル信号系列
に変換される。このデジタル信号系列はフレーム同期回
路(4)でフレームタイミングが検出され、デ・スクラ
ンブル、デ・インターリーブ回路(5)においてフレー
ム単位でデ・スクランブル、デ・インタリーブ処理され
、誤り訂正回路(6)において誤り訂正処理された後、
復号化回路(7)で伸長され、プリンタ(8)で記録さ
れる。CPU(9)は第2図の制御信号を識別して、フ
ァクシミリ放送受信装置の動作を制御(番組番号などを
識別して、必要な番組のみを選択受信するなどの制御)
している。
In FIG. 3, a tuner (2) selects a desired channel of broadcast waves received from a television antenna (1), and a demodulation circuit (3) extracts and demodulates a facsimile signal multiplexed with an audio signal. converted into a digital signal sequence. The frame timing of this digital signal sequence is detected in a frame synchronization circuit (4), de-scrambled and de-interleaved in units of frames in a de-scrambled and de-interleaved circuit (5), and then de-interleaved in an error correction circuit (6). After error correction processing,
It is decompressed by a decoding circuit (7) and recorded by a printer (8). The CPU (9) identifies the control signals shown in Fig. 2 and controls the operation of the facsimile broadcast receiving device (controls such as identifying program numbers and selectively receiving only necessary programs).
are doing.

また、デジタル方式のファクシミリ放送は有線系(電話
回線系)のファクシミリと全く同じ方式で画像信号を圧
縮しているため、第3図において復号回路(7)、プリ
ンタ(8)の部分は既存の有線系ファクシミリと同じ回
路、機構で構成することが可能である。このため、1台
のファクシミリ装置で、ファクシミリ放送の受信と有線
系の63フアクシミリとしての通信とを実現する「共用
型」のファクシミリ受信装置が考えられる(電気通信技
術審議会答申 諮問第15号付属資料−3など参照)。
In addition, since digital facsimile broadcasting compresses image signals using exactly the same method as wired (telephone line) facsimile, the decoding circuit (7) and printer (8) in Figure 3 are It can be configured with the same circuit and mechanism as a wired facsimile. For this reason, a "shared type" facsimile receiving device is considered that can realize the reception of facsimile broadcasts and communication as a wired 63 facsimile using one facsimile device (Telecommunications Technology Council Report Consultation No. 15 attached) (See Material-3, etc.)

この共用型のファクシミリ受信装置の構成例を第4図に
示す。
An example of the configuration of this shared type facsimile receiving device is shown in FIG.

第4図において、ファクシミリ信号は第3図と同様に、
アンテナ(1)から受信され、チューナー(2)、復調
回路(3)によって、デジタル信号系列に変換される。
In Fig. 4, the facsimile signal is similar to Fig. 3,
It is received from an antenna (1) and converted into a digital signal sequence by a tuner (2) and a demodulation circuit (3).

(10)は第3図の点線で囲んだ部分に相当し、誤り訂
正などの信号処理回路であり、前記デジタル信号系列か
らフレームタイミングを検出し、誤り訂正などを行い、
制御信号(番組選択信号)と画像信号(ファクシミリ放
送系の′ファクシミリ符号列)に分離する。
(10) corresponds to the part surrounded by the dotted line in FIG. 3, and is a signal processing circuit for error correction, etc., which detects frame timing from the digital signal series, performs error correction, etc.
It is separated into a control signal (program selection signal) and an image signal (a facsimile code string for facsimile broadcasting).

(13)は信号処理回路(10)より抽出されたファク
シミリ符号列を蓄積し、通信速度の整合をとるために使
用されるバッファメモリである。
(13) is a buffer memory used to store the facsimile code string extracted by the signal processing circuit (10) and to match the communication speed.

(14)はファクシミリ放送の画像を印刷するために接
続されるG3FAX(ファクシミリ装置)(11)にフ
ァクシミリ符号列を送出する音声帯域モデムである。
(14) is an audio band modem that sends a facsimile code string to a G3 FAX (facsimile machine) (11) connected to print facsimile broadcast images.

(15)はG3FAX(11)を起動する網制御装置で
ある。
(15) is a network control device that starts G3FAX (11).

線路(a)はG3FAX(11)に接続される電話線、
線路(b)は電話回線へ接続される電話線である。
Line (a) is a telephone line connected to G3FAX (11),
Line (b) is a telephone line connected to a telephone line.

(12)はG3FAX(11)に有線系かファクシミリ
放送系の何れか一方を接続するスイッチである。
(12) is a switch that connects either the wired system or the facsimile broadcast system to the G3 FAX (11).

ファクシミリ放送を受信する場合は、スイッチ(12)
を上側に切り替えて、G3FAX(11)に信号処理回
路(10)から出力されるファクシミリ放送のファクシ
ミリ符号列を入力し、圧縮されたファクシミリ符号列を
G3FAX(11)の復号回路で伸長して、G3FAX
(11)のプリンタで印刷して、受信原稿を得る。
To receive facsimile broadcasts, switch (12)
is switched to the upper side, the facsimile code string of the facsimile broadcast output from the signal processing circuit (10) is input to the G3FAX (11), and the compressed facsimile code string is decompressed by the decoding circuit of the G3FAX (11). G3FAX
Print with the printer (11) to obtain the received original.

また、有線系の信号を受信する場合は、スイッチ(12
)を下側に切り替えて、通常のファクシミリ通信と同様
に、受信したファクシミリ符号列をG3FAX(11)
の復号回路で伸長して、G3FAX(11)のプリンタ
で印写して、受信原稿を得る。
In addition, when receiving wired signals, switch (12
) to the lower side, and send the received facsimile code string to G3FAX (11) in the same way as normal facsimile communication.
The received document is decompressed by the decoding circuit and printed by the G3 FAX (11) printer.

尚、電話回線にファクシミリ符号列を送出する場合は、
G3FAX(11)の画像読取部で読取った画像を符号
化圧縮した後、電話回線に送出する。
In addition, when sending a facsimile code string to a telephone line,
After encoding and compressing the image read by the image reading unit of the G3 FAX (11), it is sent to the telephone line.

(ハ)発明が解決しようとする課題 前述のように、ファクシミリ放送受信装置に接続された
ファクシミリ装置では、ファクシミリ放送系のファクシ
ミリ符号列と有線系のファクシミリ符号列の両方が復号
、印写される。
(c) Problems to be Solved by the Invention As mentioned above, the facsimile device connected to the facsimile broadcast receiving device decodes and prints both the facsimile code string of the facsimile broadcast system and the facsimile code string of the wired system. .

ところで、他のファクシミリ装置からの受信(有線系)
においては、送信側に発信元情報を原稿に付加するか否
かの選択権が与えられ、また、ファクシミリ放送の受信
においても、送信側に発信元情報を原稿に付加するか否
かの選択権が与えられている。
By the way, reception from other facsimile devices (wired type)
, the sender is given the right to choose whether or not to add sender information to the manuscript, and when receiving facsimile broadcasts, the sender is also given the right to choose whether or not to add sender information to the manuscript. is given.

従って、ファクシミリ放送系及び有線系の受信をオペレ
ータを配置した手動受信ではなく、自動受信(放送系に
おいては予約受信)により行った場合、得られる受信原
稿には、発信元情報がない可能性があり、その受信原稿
が放送系のものか有線系のものか判別がつかないという
問題がある。
Therefore, if facsimile broadcasting and wired reception is performed automatically (reserved reception in broadcasting systems) rather than manually by an operator, there is a possibility that the received document will not have sender information. There is a problem in that it is difficult to determine whether the received manuscript is from a broadcast system or a cable system.

本発明は上記問題に鑑みて為されたものであり、ファク
シミリ放送系において、予約受信により得られた受信原
稿の判別を容易に行ない得るファクシミリ放送受信装置
を提供しようとするものである。
The present invention has been made in view of the above-mentioned problems, and it is an object of the present invention to provide a facsimile broadcast receiving apparatus in a facsimile broadcasting system that can easily distinguish received documents obtained by reserved reception.

(ニ)課題を解決するための手段 本発明は、放送電波に多重されたファクシミリ信号を受
信し、ファクシミリ符号列を得る機能、電話回線からフ
ァクシミリ符号列を得る機能、及びファクシミリ放送系
と有線系を適宜切り替えて、何れか一方のファクシミリ
符号列を出力する機能を備えたファクシミリ放送受信装
置において、 ファクシミリ放送を表すファクシミリ符号列を発生する
手段を備え、このファクシミリ符号列をファクシミリ放
送系のファクシミリ符号列に付加することを特徴とする
ファクシミリ放送受信装置である。
(d) Means for Solving the Problems The present invention provides a function for receiving a facsimile signal multiplexed on broadcast radio waves and obtaining a facsimile code string, a function for obtaining a facsimile code string from a telephone line, and a facsimile broadcasting system and a wired system. The facsimile broadcast receiving device is equipped with a function of outputting one of the facsimile code strings by appropriately switching between the facsimile code strings. This is a facsimile broadcast receiving device characterized in that it is added to a facsimile broadcast receiver.

(ホ)作 用 本発明によれば、ファクシミリ放送を表すファクシミリ
符号列をファクシミリ放送のファクシミリ符号列に付加
しているので、受信原稿がファクシミリ放送系であるか
否かの判別がつく。
(E) Function According to the present invention, since a facsimile code string representing facsimile broadcasting is added to a facsimile code string of facsimile broadcasting, it is possible to determine whether a received document is of the facsimile broadcasting type.

(へ)実施例 第1図は本発明の一実施例のファクシミリ放送受信装置
のブロック図であり、第3図及び第4図と同一部分には
同一符号を付し、その説明は省略する。
(F) Embodiment FIG. 1 is a block diagram of a facsimile broadcast receiving apparatus according to an embodiment of the present invention, and the same parts as in FIGS. 3 and 4 are given the same reference numerals, and their explanation will be omitted.

本発明の一実施例のファクシミリ放送受信装置が従来例
と興なるのは、前記制御信号より抽出された番組番号等
を画像に伸張する画像伸張回路(16)、前記画像をフ
ァクシミリ符号列に変換する符号化回路(17)、現在
時刻を通知するRTC(リアルタイムクロック) (1
g)を備えた点、及びCPU(9)にこれらを制御する
手順を付加した点にある。
The facsimile broadcast receiving apparatus according to the embodiment of the present invention differs from the conventional example in that it includes an image decompression circuit (16) that decompresses the program number etc. extracted from the control signal into an image, and converts the image into a facsimile code string. an encoding circuit (17) to notify the current time, an RTC (real-time clock) (1
g), and a procedure for controlling these is added to the CPU (9).

次に、この本発明の一実施例のファクシミリ放送受信装
置の動作について説明する。
Next, the operation of the facsimile broadcast receiving apparatus according to one embodiment of the present invention will be explained.

復調回路(3)より抽出されたファクシミリ放送のデジ
タル信号系列は第5図に示す如くタイムシーケンスとな
る。
The facsimile broadcast digital signal series extracted by the demodulation circuit (3) becomes a time sequence as shown in FIG.

このデジタル信号系列は、信号処理回路(10)に入力
され、誤り訂正等が行われる。CPU(9)は番組選択
信号を検出すると、G3ファクシミリ(11)への送信
を行うか否かの判断をする。CPU(9)は、送信を行
うと判断すると、画像伸張回路(16)により、線番組
選択信号に含まれる番組番号・ページ番号・総ページ数
及びRT C(18)かう読み出した時刻を8 [da
t]X 16[1ine]で構成されるA4サイズの画
像(第6図参照)に伸張する。
This digital signal series is input to a signal processing circuit (10), where error correction and the like are performed. When the CPU (9) detects the program selection signal, it determines whether or not to perform transmission to the G3 facsimile (11). When the CPU (9) determines that transmission is to be performed, the image decompression circuit (16) reads the program number, page number, total number of pages included in the line program selection signal, and the time at which the RTC (18) was read out. da
t] x 16 [1ine] (see Fig. 6).

その後、CP U(9)はG3FAX(11)を起動す
るためにスイッチ(12)をファクシミリ放送系に切り
替え、網制御回路(15)、モデム(14)を制御して
1300Hzのトーン信号を発生させる。以後、CCI
TT勧告T、勧告子順に従いフェーズA・Bの手順を終
了すると、符号化回路(17)を制御して、画像伸張回
路(16)により伸張された画像をファクシミリ符号列
に変換し、フェーズCの手順を実行する。
After that, the CPU (9) switches the switch (12) to the facsimile broadcast system in order to start the G3FAX (11), controls the network control circuit (15) and the modem (14), and generates a 1300Hz tone signal. . From now on, CCI
When the procedures of phases A and B are completed according to the order of TT recommendation T and recommendation code, the encoding circuit (17) is controlled to convert the image decompressed by the image decompression circuit (16) into a facsimile code string, and the phase C Follow these steps.

CPU(9)は、このファクシミリ符号列の送信が終了
すると、続いてバッファメモリ(13)に蓄積されてい
るファクシミリ符号列の退出を開始する。1ペ一ジ分の
データが終了した時点で、まだ、ページがつづく場合は
CCITT勧告T、勧告子手順に従って上記動作を繰り
返す。
When the transmission of this facsimile code string is completed, the CPU (9) subsequently starts to exit the facsimile code string stored in the buffer memory (13). When the data for one page is completed, if there are still more pages, repeat the above operation according to CCITT Recommendation T and Recommendation Procedure.

番組受信を終了するとT、30のフェーズEの手順に従
って、前記G3FAX(11)との回線を切断し、スイ
ッチ(b)を有線系に切り替える。
When program reception is finished, the line with the G3 FAX (11) is disconnected and the switch (b) is switched to the wired system according to the procedure of phase E of T.30.

以上の動作によりG3FAX(11)により印刷される
受信原稿は第6図に示すように受信画像の頭にファクシ
ミリ放送を表す情報を付加したものなる。
As a result of the above operations, the received document printed by G3 FAX (11) becomes one in which information indicating facsimile broadcasting is added to the beginning of the received image, as shown in FIG.

尚、上述の実施例では受信画像の頭の部分にファクシミ
リ放送を表す情報を付加する構成としたが、受信するフ
ァクシミリ放送に応じて受信画像の最後、あるいは途中
となるよう構成としてもよい。
In the above embodiment, the information representing the facsimile broadcast is added to the beginning of the received image, but the information may be added at the end or in the middle of the received image depending on the facsimile broadcast to be received.

(ト)発明の効果 本発明は以上の説明から明らかなように、ファクシミリ
放送を表すファクシミリ符号列をファクシミリ放送のフ
ァクシミリ符号列に符加し、これを印刷記録して受信原
稿を得ているので、該受信原稿がファクシミリ放送の受
信により得られたものであることが容易に分かる。
(G) Effects of the Invention As is clear from the above description, the present invention adds a facsimile code string representing facsimile broadcasting to the facsimile code string of facsimile broadcasting, and prints and records this to obtain a received manuscript. , it can be easily seen that the received manuscript was obtained by receiving a facsimile broadcast.

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

第1図は本発明の一実施例のファクシミリ放送受信装置
のブロック図、第2図(a)はフレームの構成を示す図
、第2図(b)はパケットの構成を示す図、第3図及び
第4図は従来のファクシミリ放送受信装置のブロック図
、第5図はタイムシーケンスを示す図、第6図は受信原
稿を示す図である。 (3)・・・復調回路、(9)・・・CPU、(10)
・・・信号処理回路、(11)・・・G3FAX、(1
3)・・・バッファメモリ、(14)・・・モデム、(
15)・・・網制御装置、(16)・・・画像伸張回路
、(17)・・・符号化回路、(18)・・・RTC0
第6図
FIG. 1 is a block diagram of a facsimile broadcast receiving apparatus according to an embodiment of the present invention, FIG. 2(a) is a diagram showing the structure of a frame, FIG. 2(b) is a diagram showing the structure of a packet, and FIG. 4 is a block diagram of a conventional facsimile broadcast receiving apparatus, FIG. 5 is a diagram showing a time sequence, and FIG. 6 is a diagram showing a received manuscript. (3)...Demodulation circuit, (9)...CPU, (10)
...Signal processing circuit, (11) ...G3FAX, (1
3)... Buffer memory, (14)... Modem, (
15)...Network control device, (16)...Image decompression circuit, (17)...Encoding circuit, (18)...RTC0
Figure 6

Claims (1)

【特許請求の範囲】[Claims] (1)放送電波に多重されたファクシミリ信号を受信し
、ファクシミリ符号列を得る機能、電話回線からファク
シミリ符号列を得る機能、及びファクシミリ放送系と有
線系を適宜切り替えて、何れか一方のファクシミリ符号
列を出力する機能を備えたファクシミリ放送受信装置に
おいて、ファクシミリ放送を表すファクシミリ符号列を
発生する手段を備え、このファクシミリ符号列をファク
シミリ放送系のファクシミリ符号列に付加することを特
徴とするファクシミリ放送受信装置。
(1) A function to receive a facsimile signal multiplexed with broadcast radio waves and obtain a facsimile code string, a function to obtain a facsimile code string from a telephone line, and a function to switch between the facsimile broadcast system and the wired system as appropriate, and send either one of the facsimile codes. A facsimile broadcasting receiving apparatus having a function of outputting a facsimile broadcasting sequence, comprising means for generating a facsimile code sequence representing a facsimile broadcast, and adding this facsimile code sequence to a facsimile code sequence of a facsimile broadcast system. Receiving device.
JP2046241A 1990-02-27 1990-02-27 Facsimile broadcast receiver Pending JPH03248663A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2046241A JPH03248663A (en) 1990-02-27 1990-02-27 Facsimile broadcast receiver

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2046241A JPH03248663A (en) 1990-02-27 1990-02-27 Facsimile broadcast receiver

Publications (1)

Publication Number Publication Date
JPH03248663A true JPH03248663A (en) 1991-11-06

Family

ID=12741644

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2046241A Pending JPH03248663A (en) 1990-02-27 1990-02-27 Facsimile broadcast receiver

Country Status (1)

Country Link
JP (1) JPH03248663A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05176097A (en) * 1991-12-19 1993-07-13 Fujitsu General Ltd Facsimile broadcast receiver

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05176097A (en) * 1991-12-19 1993-07-13 Fujitsu General Ltd Facsimile broadcast receiver
JP2770868B2 (en) * 1991-12-19 1998-07-02 株式会社富士通ゼネラル Facsimile broadcast receiver

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