JPS5719857A - Data compression storage device - Google Patents
Data compression storage deviceInfo
- Publication number
- JPS5719857A JPS5719857A JP9343880A JP9343880A JPS5719857A JP S5719857 A JPS5719857 A JP S5719857A JP 9343880 A JP9343880 A JP 9343880A JP 9343880 A JP9343880 A JP 9343880A JP S5719857 A JPS5719857 A JP S5719857A
- Authority
- JP
- Japan
- Prior art keywords
- data
- circuit
- storage device
- received
- written
- 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
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C7/00—Arrangements for writing information into, or reading information out from, a digital store
Abstract
PURPOSE:To decrease a quantity of storing and also to shorten a data transfer time, by writing-in the number of continuation into a storage device, following a data, in case when the same data has continued, and cutting down the same data. CONSTITUTION:A data frame which has been received at first is loaded on a write- in data bus 14 through a data switching circuit 6, is written in a storage circuit 7 by an output write instruction signal line 15 of a controlling circuit 5, and also is held by a data latching circuit 3. A data frame which has been received next is compared with a data which is received earlier and is stored in the circuit 3, by a data comparing circuit 4. As a result, if data are coincident, a comparison coincidence signal line 12 becomes ''1'', the data is inputted to the circuit 5, a counting circuit count instruction line 11 is made ''1'', and the data is counted by a counting circuit 2. The output write instruction line of the circuit 5 is ''0'', and its data is not written in the circuit 7.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9343880A JPS5719857A (en) | 1980-07-09 | 1980-07-09 | Data compression storage device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9343880A JPS5719857A (en) | 1980-07-09 | 1980-07-09 | Data compression storage device |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5719857A true JPS5719857A (en) | 1982-02-02 |
Family
ID=14082315
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP9343880A Pending JPS5719857A (en) | 1980-07-09 | 1980-07-09 | Data compression storage device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5719857A (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59177759A (en) * | 1983-03-25 | 1984-10-08 | Teac Co | Driving device of disc |
JPS60116228A (en) * | 1983-06-20 | 1985-06-22 | ユニシス コーポレーション | High speed data compressing and recovering device |
JPS60136424A (en) * | 1983-12-26 | 1985-07-19 | Hitachi Ltd | Compressing system of character data |
JPS6155248U (en) * | 1984-09-18 | 1986-04-14 |
-
1980
- 1980-07-09 JP JP9343880A patent/JPS5719857A/en active Pending
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59177759A (en) * | 1983-03-25 | 1984-10-08 | Teac Co | Driving device of disc |
JPS60116228A (en) * | 1983-06-20 | 1985-06-22 | ユニシス コーポレーション | High speed data compressing and recovering device |
JPH0568893B2 (en) * | 1983-06-20 | 1993-09-29 | Unisys Corp | |
JPS60136424A (en) * | 1983-12-26 | 1985-07-19 | Hitachi Ltd | Compressing system of character data |
JPS6155248U (en) * | 1984-09-18 | 1986-04-14 |
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