JPS62157488A - Character picture display system for teletext - Google Patents

Character picture display system for teletext

Info

Publication number
JPS62157488A
JPS62157488A JP29749685A JP29749685A JPS62157488A JP S62157488 A JPS62157488 A JP S62157488A JP 29749685 A JP29749685 A JP 29749685A JP 29749685 A JP29749685 A JP 29749685A JP S62157488 A JPS62157488 A JP S62157488A
Authority
JP
Japan
Prior art keywords
data
accommodating
character
displaying
picture
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
JP29749685A
Other languages
Japanese (ja)
Inventor
Takashi Shimizu
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.)
NEC Home Electronics Ltd
NEC Corp
Original Assignee
NEC Home Electronics Ltd
Nippon 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 NEC Home Electronics Ltd, Nippon Electric Co Ltd filed Critical NEC Home Electronics Ltd
Priority to JP29749685A priority Critical patent/JPS62157488A/en
Publication of JPS62157488A publication Critical patent/JPS62157488A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To shorten a display delay time by renewing a received character picture to a new picture, accommodating it to a data accommodating memory and reading and displaying the picture to exist in the data accommodating memory out of the designated character picture from the data accommodating memory.
CONSTITUTION: For a data accommodating RAM 2, the updated receiving data are superscribed to the oldest written at the tip each time accommodating data come to be full. The control of such a writing is realized by circulating the writing address in the data accommodating RAM 2. A central processing unit 1, when a program displaying command is received, inspects whether or not the data control information of the program related to the displaying request exists at the data control table. The central processing device 1 detects that the equivalent data control information exists, and when fetching is completed, the character data of the equivalent program are read. By using a character generator 6, a character code is converted to a dot pattern and written into a bit map memory 3 for displaying.
COPYRIGHT: (C)1987,JPO&Japio
JP29749685A 1985-12-30 1985-12-30 Character picture display system for teletext Pending JPS62157488A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP29749685A JPS62157488A (en) 1985-12-30 1985-12-30 Character picture display system for teletext

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP29749685A JPS62157488A (en) 1985-12-30 1985-12-30 Character picture display system for teletext

Publications (1)

Publication Number Publication Date
JPS62157488A true JPS62157488A (en) 1987-07-13

Family

ID=17847258

Family Applications (1)

Application Number Title Priority Date Filing Date
JP29749685A Pending JPS62157488A (en) 1985-12-30 1985-12-30 Character picture display system for teletext

Country Status (1)

Country Link
JP (1) JPS62157488A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01129679A (en) * 1987-11-16 1989-05-22 Victor Co Of Japan Ltd Teletext receiver
EP0777348A2 (en) 1995-11-29 1997-06-04 Nec Corporation Method for controlling the memory of a broadcast receiver receiving supplementary data together with a broadcast programme
KR100232064B1 (en) * 1995-01-25 1999-12-01 겐지 미하라 Bidet

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57201391A (en) * 1981-06-03 1982-12-09 Matsushita Electric Ind Co Ltd Character information receiver

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57201391A (en) * 1981-06-03 1982-12-09 Matsushita Electric Ind Co Ltd Character information receiver

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01129679A (en) * 1987-11-16 1989-05-22 Victor Co Of Japan Ltd Teletext receiver
KR100232064B1 (en) * 1995-01-25 1999-12-01 겐지 미하라 Bidet
EP0777348A2 (en) 1995-11-29 1997-06-04 Nec Corporation Method for controlling the memory of a broadcast receiver receiving supplementary data together with a broadcast programme
US5815170A (en) * 1995-11-29 1998-09-29 Nec Corporation Memory control method of character multiplexed broadcast receiver

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