JPS5537609A - Terminal equipment - Google Patents

Terminal equipment

Info

Publication number
JPS5537609A
JPS5537609A JP10864478A JP10864478A JPS5537609A JP S5537609 A JPS5537609 A JP S5537609A JP 10864478 A JP10864478 A JP 10864478A JP 10864478 A JP10864478 A JP 10864478A JP S5537609 A JPS5537609 A JP S5537609A
Authority
JP
Grant status
Application
Patent type
Prior art keywords
field
buffer
data
screen
circuit
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
JP10864478A
Other versions
JPS5920136B2 (en )
Inventor
Yasuhiro Imai
Original Assignee
Hitachi 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

Links

Abstract

PURPOSE: To improve circuit efficiency with the reduced data transfer amount on a circuit, by sending out screen data of only a change field.
CONSTITUTION: As for a CRT terminal equipment, respective lines on a screen are assigned to fields; at the time of initial setting, screen buffer 4 is cleared and screen data in buffer 4 are CRC-computed 6, field by filed, to write the results in CRC memory buffer 9 via register 7. On receiving a transmission request, the terminal equipment performs CRC arithmetic 6 of the contents of buffer 4, field (line) by field, in sequence from the 1st line to the last line prior to the editing of data to be sent. Then, it makes comparison 8 between the result obtained in register 7 and the result of previous CRC arithmetic 6 of a corresponding line (field) stored in buffer 9 and only when dissidence signal 14 is outputted, transmission control circuit 5 edits transmitted data about screen data of the corresponding field and sends it out to circuit 17.
COPYRIGHT: (C)1980,JPO&Japio
JP10864478A 1978-09-06 1978-09-06 Expired JPS5920136B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10864478A JPS5920136B2 (en) 1978-09-06 1978-09-06

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10864478A JPS5920136B2 (en) 1978-09-06 1978-09-06

Publications (2)

Publication Number Publication Date
JPS5537609A true true JPS5537609A (en) 1980-03-15
JPS5920136B2 JPS5920136B2 (en) 1984-05-11

Family

ID=14490020

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10864478A Expired JPS5920136B2 (en) 1978-09-06 1978-09-06

Country Status (1)

Country Link
JP (1) JPS5920136B2 (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59177589A (en) * 1983-03-29 1984-10-08 Fujitsu Ten Ltd Display data alteration system
JPS603022A (en) * 1983-06-17 1985-01-09 Seiko Instr & Electronics Ltd Display device with high-speed self-diagnosing function
JP2007219626A (en) * 2006-02-14 2007-08-30 Casio Comput Co Ltd Server device for computer system, server control program and its client device
US8683376B2 (en) 2008-03-18 2014-03-25 Casio Computer Co., Ltd Server unit, a client unit, and a recording medium in a computer system
US8918450B2 (en) 2006-02-14 2014-12-23 Casio Computer Co., Ltd Server apparatuses, server control programs, and client apparatuses for a computer system in which created drawing data is transmitted to the client apparatuses

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59177589A (en) * 1983-03-29 1984-10-08 Fujitsu Ten Ltd Display data alteration system
JPS603022A (en) * 1983-06-17 1985-01-09 Seiko Instr & Electronics Ltd Display device with high-speed self-diagnosing function
JP2007219626A (en) * 2006-02-14 2007-08-30 Casio Comput Co Ltd Server device for computer system, server control program and its client device
US8918450B2 (en) 2006-02-14 2014-12-23 Casio Computer Co., Ltd Server apparatuses, server control programs, and client apparatuses for a computer system in which created drawing data is transmitted to the client apparatuses
US8683376B2 (en) 2008-03-18 2014-03-25 Casio Computer Co., Ltd Server unit, a client unit, and a recording medium in a computer system

Also Published As

Publication number Publication date Type
JPS5920136B2 (en) 1984-05-11 grant

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