JPS6444650A - Data transmission system - Google Patents
Data transmission systemInfo
- Publication number
- JPS6444650A JPS6444650A JP62202204A JP20220487A JPS6444650A JP S6444650 A JPS6444650 A JP S6444650A JP 62202204 A JP62202204 A JP 62202204A JP 20220487 A JP20220487 A JP 20220487A JP S6444650 A JPS6444650 A JP S6444650A
- Authority
- JP
- Japan
- Prior art keywords
- data
- frame
- reference value
- bit
- transmitted
- 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
- Time-Division Multiplex Systems (AREA)
- Small-Scale Networks (AREA)
- Selective Calling Equipment (AREA)
Abstract
PURPOSE:To shorten the transmission time in comparison with a conventional system to transmit data in more real time by inserting change data of data to be transmitted between time slots of reference data, which is transmitted at intervals of a prescribed time, based on reference data transmitted before this data and transmitting this change data. CONSTITUTION:A frame including reference value data is transmitted as every n-th frame. The frame including reference value data includes a 40-bit synchronizing word and n-number of 40-bit words. The frame which does not include reference value data includes the 40-bit synchronizing word and n/2-number of 40-bit words. The frame following the frame including reference value data has data where increase of reduction from reference value data is indicated with a sign (one bit) and the variation is expressed with three bits, and the frame following this frame has data where increase or reduction from the corresponding data part of the preceding frame is indicated with the sign (one bit) aud the variation is expressed with three bits.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62202204A JPS6444650A (en) | 1987-08-13 | 1987-08-13 | Data transmission system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62202204A JPS6444650A (en) | 1987-08-13 | 1987-08-13 | Data transmission system |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6444650A true JPS6444650A (en) | 1989-02-17 |
Family
ID=16453688
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP62202204A Pending JPS6444650A (en) | 1987-08-13 | 1987-08-13 | Data transmission system |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6444650A (en) |
-
1987
- 1987-08-13 JP JP62202204A patent/JPS6444650A/en active Pending
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