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JPS5422722A - Display refresh device - Google Patents

Display refresh device

Info

Publication number
JPS5422722A
JPS5422722A JP8735677A JP8735677A JPS5422722A JP S5422722 A JPS5422722 A JP S5422722A JP 8735677 A JP8735677 A JP 8735677A JP 8735677 A JP8735677 A JP 8735677A JP S5422722 A JPS5422722 A JP S5422722A
Authority
JP
Japan
Prior art keywords
display refresh
refresh device
display region
deciding
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.)
Granted
Application number
JP8735677A
Other languages
Japanese (ja)
Other versions
JPS6049315B2 (en
Inventor
Masahiro Nakamura
Onori Abe
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.)
Ricoh Co Ltd
Original Assignee
Ricoh 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 Ricoh Co Ltd filed Critical Ricoh Co Ltd
Priority to JP8735677A priority Critical patent/JPS6049315B2/en
Publication of JPS5422722A publication Critical patent/JPS5422722A/en
Publication of JPS6049315B2 publication Critical patent/JPS6049315B2/en
Expired legal-status Critical Current

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Abstract

PURPOSE: To decrease the memory capacity by deciding through the deciding means whether the display region is under the refresh or not and reading the memory with the gate of the address counter opened only in case the display region is decided.
COPYRIGHT: (C)1979,JPO&Japio
JP8735677A 1977-07-22 1977-07-22 Display refresh device Expired JPS6049315B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8735677A JPS6049315B2 (en) 1977-07-22 1977-07-22 Display refresh device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8735677A JPS6049315B2 (en) 1977-07-22 1977-07-22 Display refresh device

Publications (2)

Publication Number Publication Date
JPS5422722A true JPS5422722A (en) 1979-02-20
JPS6049315B2 JPS6049315B2 (en) 1985-11-01

Family

ID=13912593

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8735677A Expired JPS6049315B2 (en) 1977-07-22 1977-07-22 Display refresh device

Country Status (1)

Country Link
JP (1) JPS6049315B2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59114962A (en) * 1982-12-21 1984-07-03 Fuji Xerox Co Ltd Picture reader
JPS59176774A (en) * 1983-03-25 1984-10-06 松下電器産業株式会社 Graphic display unit

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02140021U (en) * 1989-04-27 1990-11-22

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59114962A (en) * 1982-12-21 1984-07-03 Fuji Xerox Co Ltd Picture reader
JPH0360224B2 (en) * 1982-12-21 1991-09-13 Fuji Xerox Co Ltd
JPS59176774A (en) * 1983-03-25 1984-10-06 松下電器産業株式会社 Graphic display unit

Also Published As

Publication number Publication date
JPS6049315B2 (en) 1985-11-01

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