JPS6486239A - Data compressing device - Google Patents

Data compressing device

Info

Publication number
JPS6486239A
JPS6486239A JP24319987A JP24319987A JPS6486239A JP S6486239 A JPS6486239 A JP S6486239A JP 24319987 A JP24319987 A JP 24319987A JP 24319987 A JP24319987 A JP 24319987A JP S6486239 A JPS6486239 A JP S6486239A
Authority
JP
Japan
Prior art keywords
data
difference
data length
buffer
unit difference
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
JP24319987A
Other languages
Japanese (ja)
Inventor
Yukio Fukuda
Atsushi Nakayoshi
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.)
Toshiba Corp
Original Assignee
Toshiba 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 Toshiba Corp filed Critical Toshiba Corp
Priority to JP24319987A priority Critical patent/JPS6486239A/en
Publication of JPS6486239A publication Critical patent/JPS6486239A/en
Pending legal-status Critical Current

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  • Stored Programmes (AREA)

Abstract

PURPOSE:To shorten a processing time by stopping the comparison of a data length and making the difference data of a row unit into the storing data when the data length of the difference data of a character unit is longer than the data length of the difference data of the row unit. CONSTITUTION:The data length of a row unit difference buffer 4 extracted by a row unit difference extracting means and the data length of a character unit difference buffer 5 extracted by a character unit difference extracting means are compared by a comparing means every time the difference is extracted by the character unit difference extracting means. When the data length of the character unit difference buffer 5 is longer than the data length of the row unit difference buffer 4, the comparison by a comparing means is stopped and the data of the row unit difference buffer 4 are stored into a compressed file 6. When the data length of the character unit difference buffer 5 is longer than the data length of the row unit difference buffer 4, the data of the character unit difference buffer 5 are stored into the compressed file 6.
JP24319987A 1987-09-28 1987-09-28 Data compressing device Pending JPS6486239A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP24319987A JPS6486239A (en) 1987-09-28 1987-09-28 Data compressing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP24319987A JPS6486239A (en) 1987-09-28 1987-09-28 Data compressing device

Publications (1)

Publication Number Publication Date
JPS6486239A true JPS6486239A (en) 1989-03-30

Family

ID=17100306

Family Applications (1)

Application Number Title Priority Date Filing Date
JP24319987A Pending JPS6486239A (en) 1987-09-28 1987-09-28 Data compressing device

Country Status (1)

Country Link
JP (1) JPS6486239A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012098893A (en) * 2010-11-01 2012-05-24 Fujitsu Semiconductor Ltd Compression instruction processing device and compression instruction generation device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012098893A (en) * 2010-11-01 2012-05-24 Fujitsu Semiconductor Ltd Compression instruction processing device and compression instruction generation device

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