JPS5635258A - Pattern conversion processing system - Google Patents

Pattern conversion processing system

Info

Publication number
JPS5635258A
JPS5635258A JP10999479A JP10999479A JPS5635258A JP S5635258 A JPS5635258 A JP S5635258A JP 10999479 A JP10999479 A JP 10999479A JP 10999479 A JP10999479 A JP 10999479A JP S5635258 A JPS5635258 A JP S5635258A
Authority
JP
Japan
Prior art keywords
dot pattern
memory
differential
line
simple conversion
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
JP10999479A
Other languages
Japanese (ja)
Inventor
Katsuhiko Ogawa
Kazunari Nakane
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.)
Nippon Telegraph and Telephone Corp
Original Assignee
Nippon Telegraph and Telephone 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 Nippon Telegraph and Telephone Corp filed Critical Nippon Telegraph and Telephone Corp
Priority to JP10999479A priority Critical patent/JPS5635258A/en
Publication of JPS5635258A publication Critical patent/JPS5635258A/en
Pending legal-status Critical Current

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  • Image Processing (AREA)

Abstract

PURPOSE:To realize a dot pattern conversion of high quality with a small amount of data, by compounding the dot pattern received a simple conversion and the differential dot pattern between the said dot pattern and the high-quality dot pattern to receive a simple conversion. CONSTITUTION:The dot pattern of 32X32 is stored in the memory 101; and the differential dot pattern between the double dot pattern received a simple conversion and the high-quality dot pattern is compressed and stored in the memory 102. The simple conversion part 103 gives a double simple conversion to the dot pattern sent from the memory 101 to grow and then store the 1st line. A the same time, the differential dot pattern growing part 104 decodes the data sent from the memory 102 and then grows and stores the differential dot pattern of the 1st line. The compound dot pattern output part 105 obtains the exclusive OR for the outputs between the parts 103 and 104 to then store it temporarity. And the CPU107 delivers this OR onto the bus 108. This action is repeated for the data of the 1st line of the pattern and the data of the 2nd line in the memory 102.
JP10999479A 1979-08-29 1979-08-29 Pattern conversion processing system Pending JPS5635258A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10999479A JPS5635258A (en) 1979-08-29 1979-08-29 Pattern conversion processing system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10999479A JPS5635258A (en) 1979-08-29 1979-08-29 Pattern conversion processing system

Publications (1)

Publication Number Publication Date
JPS5635258A true JPS5635258A (en) 1981-04-07

Family

ID=14524386

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10999479A Pending JPS5635258A (en) 1979-08-29 1979-08-29 Pattern conversion processing system

Country Status (1)

Country Link
JP (1) JPS5635258A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61107475A (en) * 1984-10-30 1986-05-26 Fuji Xerox Co Ltd Image enlargement and reduction device

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5192125A (en) * 1975-02-10 1976-08-12 Mojipataan no kakudaishukushohoshiki
JPS526419A (en) * 1975-07-07 1977-01-18 Fuji Xerox Co Ltd Dot matrix convertor
JPS5493923A (en) * 1978-01-06 1979-07-25 Hitachi Ltd Character pattern generator

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5192125A (en) * 1975-02-10 1976-08-12 Mojipataan no kakudaishukushohoshiki
JPS526419A (en) * 1975-07-07 1977-01-18 Fuji Xerox Co Ltd Dot matrix convertor
JPS5493923A (en) * 1978-01-06 1979-07-25 Hitachi Ltd Character pattern generator

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61107475A (en) * 1984-10-30 1986-05-26 Fuji Xerox Co Ltd Image enlargement and reduction device

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