JPS6429035A - Two-wire data transmission system - Google Patents
Two-wire data transmission systemInfo
- Publication number
- JPS6429035A JPS6429035A JP62183621A JP18362187A JPS6429035A JP S6429035 A JPS6429035 A JP S6429035A JP 62183621 A JP62183621 A JP 62183621A JP 18362187 A JP18362187 A JP 18362187A JP S6429035 A JPS6429035 A JP S6429035A
- Authority
- JP
- Japan
- Prior art keywords
- signal
- transmission line
- signal transmission
- slave station
- sampling pulse
- 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
Links
Landscapes
- Time-Division Multiplex Systems (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
Abstract
PURPOSE:To multiplex-transmit data information, clock information and a synchronizing signal in a pair of a two-wire transmission line by assigning a zero current, never contained in data, as the synchronizing signal. CONSTITUTION:The two-wire signal transmission line 13 is made to be a base level by the synchronizing pulse S0 of a master station 4 side, at the time of its synchronous slot, and a signal is transmitted to the two-wire signal transmission line 13 by a sampling pulse S1 in only the interval of its slot section. Besides, the signal, to be inputted to a multiple signal reception circuit 8 at that time, is sampled by the sampling pulse S2. At a slave station 3 side, the base level of the signal transmission line 13 is detected, and the sampling pulses S1', S2' of the slave station 3 side are generated. The multiple signal reception circuit 10 of the slave station 3 side sample-holds the signal on the signal transmission line 13 by the sampling pulse S1', and the multiple signal transmission circuit 11 of the slave station 3 side transmits the signal of a transmitter 2 to the signal transmission line 13 by the sampling pulse S2'.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62183621A JPH077931B2 (en) | 1987-07-24 | 1987-07-24 | 2-wire data transmission system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62183621A JPH077931B2 (en) | 1987-07-24 | 1987-07-24 | 2-wire data transmission system |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6429035A true JPS6429035A (en) | 1989-01-31 |
JPH077931B2 JPH077931B2 (en) | 1995-01-30 |
Family
ID=16138978
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP62183621A Expired - Lifetime JPH077931B2 (en) | 1987-07-24 | 1987-07-24 | 2-wire data transmission system |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH077931B2 (en) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5535546A (en) * | 1978-09-04 | 1980-03-12 | Nec Corp | Time division multiplex transfer system |
JPS55138938A (en) * | 1979-04-18 | 1980-10-30 | Toshiba Corp | Data collection device |
-
1987
- 1987-07-24 JP JP62183621A patent/JPH077931B2/en not_active Expired - Lifetime
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5535546A (en) * | 1978-09-04 | 1980-03-12 | Nec Corp | Time division multiplex transfer system |
JPS55138938A (en) * | 1979-04-18 | 1980-10-30 | Toshiba Corp | Data collection device |
Also Published As
Publication number | Publication date |
---|---|
JPH077931B2 (en) | 1995-01-30 |
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