JPS57193834A - Document processing system - Google Patents

Document processing system

Info

Publication number
JPS57193834A
JPS57193834A JP7889781A JP7889781A JPS57193834A JP S57193834 A JPS57193834 A JP S57193834A JP 7889781 A JP7889781 A JP 7889781A JP 7889781 A JP7889781 A JP 7889781A JP S57193834 A JPS57193834 A JP S57193834A
Authority
JP
Japan
Prior art keywords
magnetic disc
saved
document
dot
signal
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
JP7889781A
Other languages
Japanese (ja)
Inventor
Norio Kubo
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.)
Yokogawa Electric Corp
Original Assignee
Yokogawa Electric Corp
Yokogawa Hokushin Electric Corp
Yokogawa Electric Works Ltd
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 Yokogawa Electric Corp, Yokogawa Hokushin Electric Corp, Yokogawa Electric Works Ltd filed Critical Yokogawa Electric Corp
Priority to JP7889781A priority Critical patent/JPS57193834A/en
Publication of JPS57193834A publication Critical patent/JPS57193834A/en
Pending legal-status Critical Current

Links

Landscapes

  • Processing Or Creating Images (AREA)
  • Digital Computer Display Output (AREA)

Abstract

PURPOSE: To make the document processing with saved storage medium possible, by using a magnetic disc as a storage medium of a document, and storing a video signal of an input terminal through shrinking in matching with a graphic display.
CONSTITUTION: A video processor 6 makes signal compresson and saving processing of the signal, in storing a video signal in a buffer area of a main memory 2 to a magnetic disc 41. In the saving processing, the storage value of dot patterns corresponding to the contrast of picture elements is picked up, for example, by adjacent 4-dot and the dots are represented with a dark or light one dot in response to the combination of constrast. Thus, the number of picture elements of a document is saved to a half for both lateral and longitudinal elements, that is, 1/4 in total. When the saved video signals are stored in the magnetic disc 41, the using amount of storage areas for the magnetic disc 41 can be reduced to 1/4.
COPYRIGHT: (C)1982,JPO&Japio
JP7889781A 1981-05-25 1981-05-25 Document processing system Pending JPS57193834A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7889781A JPS57193834A (en) 1981-05-25 1981-05-25 Document processing system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7889781A JPS57193834A (en) 1981-05-25 1981-05-25 Document processing system

Publications (1)

Publication Number Publication Date
JPS57193834A true JPS57193834A (en) 1982-11-29

Family

ID=13674602

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7889781A Pending JPS57193834A (en) 1981-05-25 1981-05-25 Document processing system

Country Status (1)

Country Link
JP (1) JPS57193834A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6159527A (en) * 1984-08-31 1986-03-27 Hitachi Ltd Graphic work station
JPS61223936A (en) * 1985-03-29 1986-10-04 Hitachi Ltd Graphic work station

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51128230A (en) * 1975-04-30 1976-11-09 Nippon Telegr & Teleph Corp <Ntt> Picture element pattern conversion system
JPS5447420A (en) * 1977-09-21 1979-04-14 Toshiba Corp Picture display unit
JPS5583952A (en) * 1978-12-15 1980-06-24 Ibm Data operating device

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51128230A (en) * 1975-04-30 1976-11-09 Nippon Telegr & Teleph Corp <Ntt> Picture element pattern conversion system
JPS5447420A (en) * 1977-09-21 1979-04-14 Toshiba Corp Picture display unit
JPS5583952A (en) * 1978-12-15 1980-06-24 Ibm Data operating device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6159527A (en) * 1984-08-31 1986-03-27 Hitachi Ltd Graphic work station
JPS61223936A (en) * 1985-03-29 1986-10-04 Hitachi Ltd Graphic work station

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