JPH0273876U - - Google Patents
Info
- Publication number
- JPH0273876U JPH0273876U JP15407888U JP15407888U JPH0273876U JP H0273876 U JPH0273876 U JP H0273876U JP 15407888 U JP15407888 U JP 15407888U JP 15407888 U JP15407888 U JP 15407888U JP H0273876 U JPH0273876 U JP H0273876U
- Authority
- JP
- Japan
- Prior art keywords
- compression
- data
- identification code
- identifies
- selects
- 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
Links
- 238000007906 compression Methods 0.000 claims description 7
- 230000006835 compression Effects 0.000 claims description 7
- 238000013144 data compression Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 claims 3
- 238000010586 diagram Methods 0.000 description 3
Description
第１図は本考案に係るデータ圧縮装置を適用し
たコンピユータシステムのブロツク図、第２図は
記憶装置に記憶される圧縮データフオーマツトを
示す図、第３図は識別コードＩＤの一例を示す図
、第４図はデータの圧縮処理の流れを示すフロー
チヤート、第５図は圧縮されたデータを伸長して
復元する処理の流れを示すフローチヤートである
。
１……表示装置、２……表示制御部、３……入
力装置、４……入力制御部、５……読取装置、６
……読取制御部、７……データ圧縮装置、８−１
乃至８−Ｎ……圧縮部、９……選択部、１０……
記憶装置、ＩＤ……識別コード、ＤＴ……圧縮デ
ータ。
FIG. 1 is a block diagram of a computer system to which a data compression device according to the present invention is applied, FIG. 2 is a diagram showing a compressed data format stored in a storage device, and FIG. 3 is a diagram showing an example of an identification code ID. , FIG. 4 is a flow chart showing the flow of data compression processing, and FIG. 5 is a flow chart showing the flow of processing for decompressing and restoring compressed data. 1...Display device, 2...Display control unit, 3...Input device, 4...Input control unit, 5...Reading device, 6
...Reading control unit, 7...Data compression device, 8-1
to 8-N... compression section, 9... selection section, 10...
Storage device, ID...identification code, DT...compressed data.
Claims (1)
複数の圧縮手段と、該複数の圧縮手段の各々にデ
ータを圧縮処理させその処理結果に基づき最大の
圧縮率を与える圧縮方式を選択し該圧縮方式を識
別する識別コードを付して圧縮データを記憶手段
に記憶する選択手段とを備えていることを特徴と
するデータ圧縮装置。 A plurality of compression means that compress data using mutually different compression methods, each of the plurality of compression means compressing data, selects a compression method that provides the maximum compression rate based on the processing result, and identifies the compression method. 1. A data compression device comprising: selection means for storing compressed data in a storage means with an identification code attached thereto.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15407888U JPH0273876U (en) | 1988-11-25 | 1988-11-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15407888U JPH0273876U (en) | 1988-11-25 | 1988-11-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0273876U true JPH0273876U (en) | 1990-06-06 |
Family
ID=31430488
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15407888U Pending JPH0273876U (en) | 1988-11-25 | 1988-11-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0273876U (en) |
-
1988
- 1988-11-25 JP JP15407888U patent/JPH0273876U/ja active Pending
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