JPH02216522A - Printer with data transmission function - Google Patents

Printer with data transmission function

Info

Publication number
JPH02216522A
JPH02216522A JP1037546A JP3754689A JPH02216522A JP H02216522 A JPH02216522 A JP H02216522A JP 1037546 A JP1037546 A JP 1037546A JP 3754689 A JP3754689 A JP 3754689A JP H02216522 A JPH02216522 A JP H02216522A
Authority
JP
Japan
Prior art keywords
error detection
data
detection circuit
slave
master
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
JP1037546A
Other languages
Japanese (ja)
Inventor
Osamu Fujinawa
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 Corp
Original Assignee
NEC Corp
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 Corp filed Critical NEC Corp
Priority to JP1037546A priority Critical patent/JPH02216522A/en
Publication of JPH02216522A publication Critical patent/JPH02216522A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To prevent the occurrence of erroneous printing and malfunction by adding constitution which detects errors when data is transmitted between a master and a slave and which retransmits data when there is the errors.
CONSTITUTION: First and second error detection circuits 3 and 4 are added to a master central processing unit 1 and a slave central processing unit 2. The master unit 1 and the slave unit 2 transmit data through a data transmission line 6. Transmitted data are encoded in codes obtained by adding check bits for error detection to conventional data. When the error detection circuit 3 or the error detection circuit 4 detects the error of data, a retransmission control part 5 receives error detection signals from the error detection circuit 3, instructs the slave unit 2 of retransmission, receives the error detection signals from the error detection circuit 4 and instructs the master unit 1 of retransmission. Thus, the occurrence of erroneous printing and malfunction can be prevented.
COPYRIGHT: (C)1990,JPO&Japio
JP1037546A 1989-02-17 1989-02-17 Printer with data transmission function Pending JPH02216522A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1037546A JPH02216522A (en) 1989-02-17 1989-02-17 Printer with data transmission function

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1037546A JPH02216522A (en) 1989-02-17 1989-02-17 Printer with data transmission function

Publications (1)

Publication Number Publication Date
JPH02216522A true JPH02216522A (en) 1990-08-29

Family

ID=12500526

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1037546A Pending JPH02216522A (en) 1989-02-17 1989-02-17 Printer with data transmission function

Country Status (1)

Country Link
JP (1) JPH02216522A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7120846B2 (en) 1999-12-14 2006-10-10 Fujitsu Limited Data transmission device, data receiving device, data transfer device and method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7120846B2 (en) 1999-12-14 2006-10-10 Fujitsu Limited Data transmission device, data receiving device, data transfer device and method

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