JPH08162975A - Method for compressing/elongating transmission data and communication data processing system to which the method is applied - Google Patents

Method for compressing/elongating transmission data and communication data processing system to which the method is applied

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Publication number
JPH08162975A
JPH08162975A JP30383094A JP30383094A JPH08162975A JP H08162975 A JPH08162975 A JP H08162975A JP 30383094 A JP30383094 A JP 30383094A JP 30383094 A JP30383094 A JP 30383094A JP H08162975 A JPH08162975 A JP H08162975A
Authority
JP
Japan
Prior art keywords
data
repeated
communication
transmission
data processing
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
JP30383094A
Other languages
Japanese (ja)
Inventor
Norio Konishi
規雄 小西
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.)
NEC Corp
Original Assignee
NEC Corp
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 NEC Corp filed Critical NEC Corp
Priority to JP30383094A priority Critical patent/JPH08162975A/en
Publication of JPH08162975A publication Critical patent/JPH08162975A/en
Pending legal-status Critical Current

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  • Compression, Expansion, Code Conversion, And Decoders (AREA)

Abstract

PURPOSE: To shorten a processing time by determining a starting position, the length and the number of repeated times of a data row, compressing a repeated data row to one, elongating the data row on a reception side and converting and elongating the data row into a series of repeated data. CONSTITUTION: A data compression part 3 fetches the transmission data from an application program part 2 and detects repeated data rows α and β from a plurality of repeated data. The repeated data starting position showing each relative position from the heads on the data rows α and β, the repeated data length and the number of repeated times are determined, they are set on a transmission header to be the common information of transmission data and they are outputted to a communication processor 5a. After a data elongation part 4 performs an elongation restoring the repeated data reduced in each of the data rows α and β based on the repeated data starting position, the repeated data length and the number of repeated times on the repeated data rows α and βby transmission header information, the part 4 outputs the data to an application program storage part 2b.

Description

【発明の詳細な説明】Detailed Description of the Invention

【0001】[0001]

【産業上の利用分野】本発明は、複数のデータ処理装置
の間で通信回線を介してデータ通信を行うときに送信デ
ータに対して圧縮,伸張を行う送信データの圧縮/伸張
方法及びそれを適用した通信データ処理システムに関す
る。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a transmission data compression / expansion method for compressing and expanding transmission data when performing data communication between a plurality of data processing devices via a communication line. The present invention relates to an applied communication data processing system.

【0002】[0002]

【従来の技術】従来、この種の通信データ処理システム
において、通信回線を介して送信データを圧縮,伸張す
る場合、送信側のデータ処理装置では送信データ中に圧
縮データに関する開始及び終了を示す制御コードを挿入
し、受信側のデータ処理装置ではその制御コードに基づ
いて圧縮された送信データを伸張している。
2. Description of the Related Art Conventionally, in a communication data processing system of this type, when compressing and expanding transmission data via a communication line, a data processing device on the transmission side controls the start and end of compressed data in the transmission data. The code is inserted, and the data processing device on the receiving side expands the compressed transmission data based on the control code.

【0003】ところで、一般的な各種送信データに対す
る圧縮処理に関連した技術としては、例えば特開昭61
−4345号公報に開示されたデータの圧縮伝送方法,
特開昭62−176334号公報に開示されたデータ格
納方式,特開昭62−209948号公報に開示された
データ圧縮伝送方法,特開平1−216652号公報に
開示されたデータ圧縮伝送方式,特開平2−21822
5号公報に開示されたデータ圧縮方法,特開平3−10
9668号公報に開示された文書処理装置,特開平5−
6260号公報に開示された日本語データ圧縮方式等が
挙げられる。
By the way, as a technique related to general compression processing for various kinds of transmission data, for example, Japanese Patent Laid-Open No. Sho 61-61 is known.
Data compression and transmission method disclosed in Japanese Patent No. 4345,
A data storage system disclosed in Japanese Patent Laid-Open No. 62-176334, a data compression transmission method disclosed in Japanese Patent Laid-Open No. 62-209948, a data compression transmission system disclosed in Japanese Patent Laid-Open No. 1-216652, Kaihei 2-21822
Data compression method disclosed in Japanese Patent Laid-Open No.
Document processing device disclosed in Japanese Patent No.
The Japanese data compression method disclosed in Japanese Patent No. 6260 may be used.

【0004】このうち、特開平1−216652号公報
のデータ圧縮伝送方式では、送信データにおいて連続し
て繰り返し出現するキャラクター列のうちの2番目以後
に出現したものを1バイトの特定コード2個とキャラク
ター列の長さを示す数字とに変換した後、通信回線に送
出することによって送信データの繰り返しを圧縮してい
る。このデータ圧縮伝送方式の場合、通信データ処理シ
ステム全体の処理速度や処理能力の向上が図り得る。
Among these, in the data compression transmission system of Japanese Patent Laid-Open No. 1-216652, the character string appearing after the second character string that appears repeatedly in the transmitted data is defined as two 1-byte specific codes. After being converted into a number indicating the length of the character string, it is sent to the communication line to compress the repetition of the transmission data. In the case of this data compression transmission system, the processing speed and processing capacity of the entire communication data processing system can be improved.

【0005】[0005]

【発明が解決しようとする課題】上述した送信データに
対する圧縮処理の場合、繰り返し出現する送信データを
圧縮する方式であっても、送信データ中に圧縮データに
関する開始及び終了を示す制御コードを挿入するもので
あるため、制御コードと送信データとの区別が困難にな
ってしまう事態が発生することがある。
In the case of the above-mentioned compression processing for transmission data, even if the transmission data that appears repeatedly is compressed, a control code indicating the start and end of the compressed data is inserted into the transmission data. Therefore, it may be difficult to distinguish the control code from the transmission data.

【0006】例えばホスト装置から端末装置に送信デー
タを送出し、端末装置でその送信データを帳票等に出力
するような場合、ホスト装置では同一データの繰り返し
であっても出力する必要のある送信データに対しては全
て転送データとして送信しなければならないため、ここ
で同一データが繰り返し出力されると送信データが増大
して送信時間が長大化されてしまう。
[0006] For example, when the host device sends the transmission data to the terminal device and the terminal device outputs the transmission data to a form, the host device needs to output the transmission data even if the same data is repeated. However, if the same data is repeatedly output, the transmission data increases and the transmission time lengthens.

【0007】本発明は、このような問題点を解決すべく
なされたもので、その技術的課題は、繰り返しデータの
圧縮,伸張を合理的に行うことで送信データ量の削減及
びシステム全体の処理時間の短縮を図り得る送信データ
の圧縮/伸張方法及びそれを適用した通信データ処理シ
ステムを提供することにある。
The present invention has been made to solve such a problem, and its technical problem is to reduce the amount of transmission data and process the entire system by reasonably performing repeated compression and expansion of data. It is an object of the present invention to provide a transmission data compression / expansion method capable of reducing time and a communication data processing system to which the method is applied.

【0008】[0008]

【課題を解決するための手段】本発明によれば、複数の
データ処理装置の相互間で通信回線を介してデータ通信
を行いながらデータ処理を進める際、該複数のデータ処
理装置のうちの送信側のものでは送信データ中に連続し
て繰り返し出現する一連の繰り返しデータから成る繰り
返しデータ列に関する開始位置,長さ,及び繰り返し回
数を求めて該繰り返しデータ列を一つに圧縮する繰り返
しデータ列圧縮処理を施し、該複数のデータ処理装置の
うちの受信側のものでは圧縮された該繰り返しデータ列
を伸張して該一連の繰り返しデータに変換する繰り返し
データ列伸張処理を施す送信データの圧縮/伸張方法が
得られる。
According to the present invention, when data processing is performed while performing data communication between a plurality of data processing apparatuses via a communication line, transmission among the plurality of data processing apparatuses is performed. On the other side, the repeated data string compression for calculating the start position, the length, and the number of repetitions of the repeated data string consisting of a series of repeated data that appears repeatedly in the transmitted data and compressing the repeated data string into one. Processing / decompression of transmission data to which the receiving side of the plurality of data processing devices performs repeated data string decompression processing for decompressing the compressed repetitive data string and converting into a series of repetitive data A method is obtained.

【0009】一方、本発明によれば、通信処理装置が付
設された複数のデータ処理装置の間で通信回線を介して
データ通信を行いながらデータ処理を進める通信データ
処理システムにおいて、複数のデータ処理装置のうちの
送信側のものには、通信処理装置を介して送信データを
送信するときに該送信データ中に連続して繰り返し出現
する一連の繰り返しデータから成る繰り返しデータ列に
関する開始位置,長さ,及び繰り返し回数を求めて該繰
り返しデータ列を一つに圧縮するデータ圧縮手段が備え
られ、複数のデータ処理装置のうちの受信側のものに
は、通信処理装置を介して送信データを受信するときに
繰り返しデータ列に関する開始位置,長さ,及び繰り返
し回数に基づいて圧縮された該繰り返しデータ列を伸張
して一連の繰り返しデータに変換するデータ伸張手段が
備えられた通信データ処理システムが得られる。
On the other hand, according to the present invention, in a communication data processing system that advances data processing while performing data communication between a plurality of data processing apparatuses provided with a communication processing apparatus via a communication line, The transmission side of the devices has a start position and a length related to a repeated data string composed of a series of repetitive data that appears repeatedly in the transmission data when the transmission data is transmitted through the communication processing device. , And a data compression means for obtaining the number of repetitions and compressing the repeated data sequence into one, and the receiving side of the plurality of data processing devices receives the transmission data via the communication processing device. Sometimes, the repeated data string compressed based on the start position, length, and the number of repetitions of the repeated data string is expanded to make a series of repetitions. Communication data processing system which has a data decompression means for converting over data provided is obtained.

【0010】又、本発明によれば、上記通信データ処理
システムにおいて、データ圧縮手段は送信データにヘッ
ダ情報として開始位置,長さ,及び繰り返し回数を付加
すると共に,該ヘッダ情報に繰り返しデータ列を設定す
るもので、データ伸張手段はヘッダ情報を参照して繰り
返しデータ列に対する伸張を行う通信データ処理システ
ムが得られる。
Further, according to the present invention, in the above communication data processing system, the data compression means adds the start position, the length and the number of repetitions to the transmission data as the header information, and the repetition data string is added to the header information. The data decompression means refers to the header information and repeatedly obtains a communication data processing system for decompressing the data string.

【0011】[0011]

【実施例】以下に実施例を挙げ、本発明の送信データの
圧縮/伸張方法及びそれを適用した通信データ処理シス
テムについて、図面を参照して詳細に説明する。
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The embodiments of the present invention will be described below in detail with reference to the drawings, concerning a transmission data compression / decompression method and a communication data processing system to which the same is applied.

【0012】最初に、本発明の送信データの圧縮/伸張
方法の概要を簡単に説明する。この送信データの圧縮/
伸張方法は、複数のデータ処理装置の相互間で通信回線
を介してデータ通信を行いながらデータ処理を進める
際、複数のデータ処理装置のうちの送信側のものでは送
信データ中に連続して繰り返し出現する一連の繰り返し
データから成る繰り返しデータ列に関する開始位置,長
さ,及び繰り返し回数を求めて繰り返しデータ列を一つ
に圧縮する繰り返しデータ列圧縮処理を施し、複数のデ
ータ処理装置のうちの受信側のものでは圧縮された繰り
返しデータ列を伸張して一連の繰り返しデータに変換す
る繰り返しデータ列伸張処理を施すものである。
First, the outline of the transmission data compression / expansion method of the present invention will be briefly described. Compression of this transmission data /
The decompression method is such that when data processing is carried out while data communication is being performed between a plurality of data processing devices via a communication line, one of the plurality of data processing devices repeats continuously during transmission data. A repeated data string compression process is performed to obtain a start position, a length, and the number of repetitions for a repeated data string composed of a series of repeated data that appears, and the repeated data string compression process is performed. On the side, the repeated data string decompression process of expanding the compressed repeated data string and converting it into a series of repeated data is performed.

【0013】図1は、この送信データの圧縮/伸張方法
を適用した本発明の一実施例に係る通信データ処理シス
テムの基本構成を示したブロック図である。
FIG. 1 is a block diagram showing the basic configuration of a communication data processing system according to an embodiment of the present invention to which this transmission data compression / decompression method is applied.

【0014】この通信データ処理システムは、通信処理
装置5aが付設されたデータ処理装置1a,及び通信処
理装置5bが付設されたデータ処理装置1bの間で通信
回線6を介してデータ通信を行いながらデータ処理を進
め得るようになっている。即ち、ここでの通信データ処
理システムでは、データ処理装置1a,1bの相互間で
双方向通信を行うために、これらの各装置にはそれぞれ
通信データの送受信を行うための通信処理装置5a,5
bが付設されている。
This communication data processing system performs data communication via a communication line 6 between a data processing device 1a provided with a communication processing device 5a and a data processing device 1b provided with a communication processing device 5b. You can proceed with data processing. That is, in the communication data processing system here, in order to perform bidirectional communication between the data processing devices 1a and 1b, the communication processing devices 5a and 5b for transmitting and receiving communication data to and from these devices, respectively.
b is attached.

【0015】又、ここでデータ処理装置1aには、通信
処理装置5aを介して送信データを送信するときに送信
データ中に連続して繰り返し出現する一連の繰り返しデ
ータから成る繰り返しデータ列に関する開始位置,長
さ,及び繰り返し回数を求めて繰り返しデータ列を一つ
に圧縮するデータ圧縮手段としてのデータ圧縮部3と、
ここでのデータ処理を行うためのアプリケーションプロ
グラムを格納したアプリケーションプログラム格納部2
aとが備えられている。
Further, here, in the data processing device 1a, when transmitting the transmission data via the communication processing device 5a, a start position regarding a repeating data string composed of a series of repeating data repeatedly appearing in the transmitting data. , A length, and the number of repetitions, and a data compression unit 3 as a data compression unit that compresses the repeated data string into one,
Application program storage unit 2 storing an application program for performing data processing here
a and are provided.

【0016】更に、データ処理装置1bには、通信処理
装置5bを介して送信データを受信するときに繰り返し
データ列における開始位置,長さ,及び繰り返し回数に
基づいて圧縮された繰り返しデータ列を伸張して一連の
繰り返しデータに変換するデータ伸張手段としてのデー
タ伸張部4と、ここでのデータ処理を行うためのアプリ
ケーションプログラムを格納したアプリケーションプロ
グラム格納部2bとが備えられている。
Further, the data processing device 1b expands the repeated data sequence compressed based on the start position, length and number of repetitions in the repeated data sequence when receiving the transmission data via the communication processing device 5b. A data decompression unit 4 as a data decompression unit for converting the data into a series of repetitive data and an application program storage unit 2b storing an application program for performing the data processing here are provided.

【0017】加えて、データ圧縮部3は送信データにヘ
ッダ情報として繰り返しデータ列における開始位置,長
さ,及び繰り返し回数を付加すると共に,このヘッダ情
報に繰り返しデータ列を設定するもので、データ伸張部
4はヘッダ情報を参照して繰り返しデータ列に対する伸
張を行う。
In addition, the data compression unit 3 adds the start position, the length and the number of repetitions in the repeated data string as header information to the transmission data, and sets the repeated data string in this header information. The unit 4 refers to the header information and repeatedly expands the data string.

【0018】そこで、以下はこの通信データ処理システ
ムによる送信データにおける繰り返しデータの処理動作
を図2に示すそのアルゴリズムを参照して説明する。
Therefore, the processing operation of repetitive data in transmission data by this communication data processing system will be described below with reference to the algorithm shown in FIG.

【0019】先ず、データ圧縮部3がアプリケーション
プログラム部2から伝送された送信データを取り込むと
き、取り込んだ送信データ中に連続して出現する複数の
繰り返しデータ1,2からそれぞれ成る繰り返しデータ
列α,βを検出すると、それらの繰り返しデータ列α,
βに関する先頭からのそれぞれの相対位置を示す繰り返
しデータ開始位置101(データ列αのものはP1,デ
ータ列βのものはP2として示す),繰り返しデータ長
102(データ列αのものはD1,データ列βのものは
D2として示す),繰り返し回数103(データ列αの
ものはn1,データ列βのものはn2として示す)を求
めて送信データの共通情報である送信ヘッダ100上に
設定し、繰り返しデータ列α,βにおける2回目以降に
出現するそれぞれの繰り返しデータを削除した状態で通
信処理装置5aへ出力する。
First, when the data compressing section 3 fetches the transmission data transmitted from the application program section 2, a repeating data string α, each of which is composed of a plurality of repeating data 1 and 2 which appear consecutively in the fetched transmitting data, When β is detected, their repeated data sequence α,
Repeated data start position 101 indicating each relative position from the beginning with respect to β (P1 for data string α is shown as P1, P2 for data string β), repeated data length 102 (D1, data for data string α) The column β is shown as D2) and the number of repetitions 103 (data string α is shown as n1 and data string β is shown as n2) is set and set on the transmission header 100 which is the common information of the transmission data. It outputs to the communication processing device 5a in a state where the respective repeated data appearing after the second time in the repeated data strings α and β are deleted.

【0020】データ伸張部4では、送信データ中のヘッ
ダ情報100による繰り返しデータ列α,βに関する繰
り返しデータ開始位置101,繰り返しデータ長10
2,及び繰り返し回数103に基づいて繰り返しデータ
列α,βにおいてそれぞれ削除された繰り返しデータを
復元する伸張を行った後、アプリケーションプログラム
格納部2へ出力する。
In the data decompression unit 4, the repeated data start position 101 and the repeated data length 10 for the repeated data strings α and β according to the header information 100 in the transmission data are transmitted.
2 and the number of repetitions 103, decompression is performed to restore the repeated data deleted in the repeated data strings α and β, and the expanded data is output to the application program storage unit 2.

【0021】尚、実施例ではデータ圧縮部3がデータ処
理装置1aに備えられ、データ伸張部4がデータ処理装
置1aに備えられた場合を説明したが、この関係は逆で
あっても良く、又データ処理装置1a,1bの双方にデ
ータ圧縮部3及びデータ伸張部4を備えて通信データ処
理システムを構成することも可能であるので、本発明は
実施例に限定されない。
In the embodiment, the case where the data compression unit 3 is provided in the data processing device 1a and the data decompression unit 4 is provided in the data processing device 1a has been described, but this relationship may be reversed. Further, since it is possible to configure the communication data processing system by including the data compression unit 3 and the data decompression unit 4 in both the data processing devices 1a and 1b, the present invention is not limited to the embodiment.

【0022】[0022]

【発明の効果】以上に説明したように、本発明によれ
ば、送信側で送信データ中に連続して繰り返し出現する
一連の繰り返しデータから成る繰り返しデータ列に関し
ての開始位置,長さ,及び繰り返し回数を求めて繰り返
しデータ列を一つに圧縮し、受信側で圧縮された繰り返
しデータ列を伸張して一連の繰り返しデータに変換伸張
しているので、繰り返しデータの圧縮,伸張が合理的に
行われ、この結果、従来に無く通信回線上で通信される
送信データ量の削減,システムの処理時間の短縮,及び
システム全体の処理性能の向上を図り得る送信データの
圧縮/伸張方法及びそれを適用した通信データ処理シス
テムが得られるようになる。
As described above, according to the present invention, the start position, the length, and the repetition for the repeated data string composed of a series of repeated data that appears repeatedly in the transmitted data on the transmitting side. The repeated data string is compressed into one by calculating the number of times, and the repeated data string compressed on the receiving side is expanded and converted into a series of repeated data. Therefore, compression and expansion of the repeated data can be performed reasonably. As a result, a transmission data compression / expansion method that can reduce the amount of transmission data communicated over a communication line, shortens the processing time of the system, and improves the processing performance of the entire system, and the application thereof are applied. The communication data processing system can be obtained.

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

【図1】本発明の送信データの圧縮/伸張方法を適用し
た一実施例に係る通信データ処理システムの基本構成を
示したブロック図である。
FIG. 1 is a block diagram showing a basic configuration of a communication data processing system according to an embodiment to which a transmission data compression / decompression method of the present invention is applied.

【図2】図1に示した通信データ処理システムによる送
信データにおける繰り返しデータの処理動作を示したア
ルゴリズムである。
FIG. 2 is an algorithm showing an operation of processing repeated data in transmission data by the communication data processing system shown in FIG.

【符号の説明】[Explanation of symbols]

1a,1b データ処理装置 2a,2b アプリケーションプログラム格納部 3 データ圧縮部 4 データ伸張部 5a,5b 通信処理装置 6 通信回線 1a, 1b Data processing device 2a, 2b Application program storage unit 3 Data compression unit 4 Data decompression unit 5a, 5b Communication processing device 6 Communication line

Claims (3)

【特許請求の範囲】[Claims] 【請求項1】 複数のデータ処理装置の相互間で通信回
線を介してデータ通信を行いながらデータ処理を進める
際、該複数のデータ処理装置のうちの送信側のものでは
送信データ中に連続して繰り返し出現する一連の繰り返
しデータから成る繰り返しデータ列に関する開始位置,
長さ,及び繰り返し回数を求めて該繰り返しデータ列を
一つに圧縮する繰り返しデータ列圧縮処理を施し、該複
数のデータ処理装置のうちの受信側のものでは圧縮され
た該繰り返しデータ列を伸張して該一連の繰り返しデー
タに変換する繰り返しデータ列伸張処理を施すことを特
徴とする送信データの圧縮/伸張方法。
1. When advancing data processing while performing data communication between a plurality of data processing devices via a communication line, one of the plurality of data processing devices on the transmitting side continuously transmits data during transmission. Start position for a repeated data string consisting of a series of repeated data that repeatedly appears,
The length and the number of repetitions are obtained, and the repeated data string compression process is performed to compress the repeated data string into one, and the receiving side of the plurality of data processing devices expands the compressed repeated data string. Then, a method of compressing / expanding transmission data, characterized in that a repeated data string expansion process for converting into a series of the repeated data is performed.
【請求項2】 通信処理装置が付設された複数のデータ
処理装置の間で通信回線を介してデータ通信を行いなが
らデータ処理を進める通信データ処理システムにおい
て、前記複数のデータ処理装置のうちの送信側のものに
は、前記通信処理装置を介して送信データを送信すると
きに該送信データ中に連続して繰り返し出現する一連の
繰り返しデータから成る繰り返しデータ列に関する開始
位置,長さ,及び繰り返し回数を求めて該繰り返しデー
タ列を一つに圧縮するデータ圧縮手段が備えられ、前記
複数のデータ処理装置のうちの受信側のものには、前記
通信処理装置を介して前記送信データを受信するときに
前記繰り返しデータ列に関する前記開始位置,前記長
さ,及び前記繰り返し回数に基づいて圧縮された該繰り
返しデータ列を伸張して前記一連の繰り返しデータに変
換するデータ伸張手段が備えられたことを特徴とする通
信データ処理システム。
2. A communication data processing system for advancing data processing while performing data communication between a plurality of data processing devices provided with a communication processing device via a communication line, wherein: The one on the side includes a start position, a length, and a number of times of repetition regarding a repeating data string composed of a series of repeating data that appears repeatedly in the transmitting data when transmitting the transmitting data through the communication processing device. And a data compression means for compressing the repeated data sequence into one in order to obtain the transmission data through the communication processing device to the receiving side of the plurality of data processing devices. And decompressing the repeated data string compressed based on the start position, the length, and the number of repetitions with respect to the repeated data string. A communication data processing system comprising a data decompression means for converting the series of repetitive data.
【請求項3】 請求項2記載の通信データ処理システム
において、前記データ圧縮手段は前記送信データにヘッ
ダ情報として前記開始位置,前記長さ,及び前記繰り返
し回数を付加すると共に,該ヘッダ情報に前記繰り返し
データ列を設定するもので、前記データ伸張手段は前記
ヘッダ情報を参照して前記繰り返しデータ列に対する伸
張を行うことを特徴とする通信データ処理システム。
3. The communication data processing system according to claim 2, wherein the data compression means adds the start position, the length, and the number of repetitions to the transmission data as header information, and the header information is added to the header information. A communication data processing system for setting a repeated data string, wherein the data expansion means expands the repeated data string by referring to the header information.
JP30383094A 1994-12-07 1994-12-07 Method for compressing/elongating transmission data and communication data processing system to which the method is applied Pending JPH08162975A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP30383094A JPH08162975A (en) 1994-12-07 1994-12-07 Method for compressing/elongating transmission data and communication data processing system to which the method is applied

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP30383094A JPH08162975A (en) 1994-12-07 1994-12-07 Method for compressing/elongating transmission data and communication data processing system to which the method is applied

Publications (1)

Publication Number Publication Date
JPH08162975A true JPH08162975A (en) 1996-06-21

Family

ID=17925828

Family Applications (1)

Application Number Title Priority Date Filing Date
JP30383094A Pending JPH08162975A (en) 1994-12-07 1994-12-07 Method for compressing/elongating transmission data and communication data processing system to which the method is applied

Country Status (1)

Country Link
JP (1) JPH08162975A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109495747A (en) * 2018-12-28 2019-03-19 惠科股份有限公司 Data transmission method and device

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06178130A (en) * 1992-12-10 1994-06-24 Fujitsu Ltd Data compressing device and data restoring device

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06178130A (en) * 1992-12-10 1994-06-24 Fujitsu Ltd Data compressing device and data restoring device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109495747A (en) * 2018-12-28 2019-03-19 惠科股份有限公司 Data transmission method and device
CN109495747B (en) * 2018-12-28 2020-12-04 惠科股份有限公司 Data transmission method and device

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