JPS64833A - Data transmission equipment - Google Patents
Data transmission equipmentInfo
- Publication number
- JPS64833A JPS64833A JP32580187A JP32580187A JPS64833A JP S64833 A JPS64833 A JP S64833A JP 32580187 A JP32580187 A JP 32580187A JP 32580187 A JP32580187 A JP 32580187A JP S64833 A JPS64833 A JP S64833A
- Authority
- JP
- Japan
- Prior art keywords
- slave station
- data frame
- data
- discriminated
- retransmission
- 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
Links
Landscapes
- Detection And Prevention Of Errors In Transmission (AREA)
Abstract
PURPOSE: To simplify communication processing procedures and to improve the reliability by providing a slave station with a discriminating means which discriminates a reception data frame.
CONSTITUTION: A master station is so constituted that transmission of data to be next transmitted is stopped to transmit the data frame, where preceding transmitted data is stored, to the slave station again when time-out error occurs because of non-transmission of the data frame from the slave station at the preceding time or error occurs in the data frame. In the slave station, the preceding reception command is taken out from a storage means 13, and it is discriminated by a retransmission discriminating means 14 whether this command has the same contents as the current reception command or not. Consequently, the retransmission frame from the master station side is discriminated by the slave station.
COPYRIGHT: (C)1989,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP32580187A JPS64833A (en) | 1987-02-12 | 1987-12-23 | Data transmission equipment |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3033487 | 1987-02-12 | ||
JP62-30334 | 1987-02-12 | ||
JP32580187A JPS64833A (en) | 1987-02-12 | 1987-12-23 | Data transmission equipment |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH01833A JPH01833A (en) | 1989-01-05 |
JPS64833A true JPS64833A (en) | 1989-01-05 |
Family
ID=26368666
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP32580187A Pending JPS64833A (en) | 1987-02-12 | 1987-12-23 | Data transmission equipment |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS64833A (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4495985A (en) * | 1983-08-08 | 1985-01-29 | Stephen Feldman | Disassociative/reassociative chemical heat pump |
JPH04321335A (en) * | 1991-04-19 | 1992-11-11 | Nanao:Kk | Error controller for data transmission |
JP2006271758A (en) * | 2005-03-30 | 2006-10-12 | Kose Corp | Stick-type cosmetic container |
JP2006333358A (en) * | 2005-05-30 | 2006-12-07 | Canon Inc | Communication apparatus and method |
JP2014023013A (en) * | 2012-07-20 | 2014-02-03 | Canon Inc | Communication control device and communication control method |
-
1987
- 1987-12-23 JP JP32580187A patent/JPS64833A/en active Pending
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4495985A (en) * | 1983-08-08 | 1985-01-29 | Stephen Feldman | Disassociative/reassociative chemical heat pump |
JPH04321335A (en) * | 1991-04-19 | 1992-11-11 | Nanao:Kk | Error controller for data transmission |
JP2006271758A (en) * | 2005-03-30 | 2006-10-12 | Kose Corp | Stick-type cosmetic container |
JP2006333358A (en) * | 2005-05-30 | 2006-12-07 | Canon Inc | Communication apparatus and method |
JP2014023013A (en) * | 2012-07-20 | 2014-02-03 | Canon Inc | Communication control device and communication control method |
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