JPS5576429A - Display unit - Google Patents

Display unit

Info

Publication number
JPS5576429A
JPS5576429A JP14891278A JP14891278A JPS5576429A JP S5576429 A JPS5576429 A JP S5576429A JP 14891278 A JP14891278 A JP 14891278A JP 14891278 A JP14891278 A JP 14891278A JP S5576429 A JPS5576429 A JP S5576429A
Authority
JP
Japan
Prior art keywords
display
pattern
stores
code
memory
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
JP14891278A
Other languages
Japanese (ja)
Inventor
Kazuo Akashi
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
Tokyo Shibaura Electric Co 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 Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP14891278A priority Critical patent/JPS5576429A/en
Publication of JPS5576429A publication Critical patent/JPS5576429A/en
Pending legal-status Critical Current

Links

Landscapes

  • Digital Computer Display Output (AREA)

Abstract

PURPOSE: To obtain a display unit featuring a high general-purpose properties by installing the memory which memorizes temporaily the data to be displayed, the ROM which stores the fixed display pattern and the RAM which stores an optional pattern given from the external memory respectively.
CONSTITUTION: The code to be displayed is memorized temporarily in refresh memory 11. The display code from memory 11 is supplied to 1st character generator 23 consisting of the ROM which stores the fixed display pattern and thus converts the display code into the pattern or 2nd character generator 22 comprising the RAM which stores an optional pattern from external memory 16 and thus converts the display code into the pattern. The switching is given between the writing and reading of the display pattern to/from RAM22 is carried out via the selector and the gate and based on the system address/raster address given from timing control part 15. The output of generators 22 and 23 are displayed on the CRT via parallel/serial converter 14. In such way, a highly general-purpose display unit, which can present the display font corresponding to nation-based different display font images, can be obtained.
COPYRIGHT: (C)1980,JPO&Japio
JP14891278A 1978-12-01 1978-12-01 Display unit Pending JPS5576429A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14891278A JPS5576429A (en) 1978-12-01 1978-12-01 Display unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14891278A JPS5576429A (en) 1978-12-01 1978-12-01 Display unit

Publications (1)

Publication Number Publication Date
JPS5576429A true JPS5576429A (en) 1980-06-09

Family

ID=15463429

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14891278A Pending JPS5576429A (en) 1978-12-01 1978-12-01 Display unit

Country Status (1)

Country Link
JP (1) JPS5576429A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58108577A (en) * 1981-12-23 1983-06-28 富士通株式会社 Display control system
JPS5958475A (en) * 1982-08-06 1984-04-04 ザ・バブコック・アンド・ウイルコックス・カンパニー Color graphic crt display using writable character font
JPS61129685A (en) * 1984-11-28 1986-06-17 富士通株式会社 Multilingual character data simultaneous output control system

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58108577A (en) * 1981-12-23 1983-06-28 富士通株式会社 Display control system
JPH0322999B2 (en) * 1981-12-23 1991-03-28 Fujitsu Ltd
JPS5958475A (en) * 1982-08-06 1984-04-04 ザ・バブコック・アンド・ウイルコックス・カンパニー Color graphic crt display using writable character font
JPS61129685A (en) * 1984-11-28 1986-06-17 富士通株式会社 Multilingual character data simultaneous output control system

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