JPS6477360A - Data transfer control system - Google Patents
Data transfer control systemInfo
- Publication number
- JPS6477360A JPS6477360A JP62234064A JP23406487A JPS6477360A JP S6477360 A JPS6477360 A JP S6477360A JP 62234064 A JP62234064 A JP 62234064A JP 23406487 A JP23406487 A JP 23406487A JP S6477360 A JPS6477360 A JP S6477360A
- Authority
- JP
- Japan
- Prior art keywords
- code
- channel
- data
- sent
- service
- 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
Abstract
PURPOSE:To remove an illegal service request by providing a service supplying device with a code sending means and a collating means, providing a user device with a code returning means and sending a code from a code sending means through a set up and formed control information channel. CONSTITUTION:The service supplying device 10 receiving a service request from a user device 2 through a control information channel 4D, a digital exchange 6 and a control information channel 8D sends data channel setting information and the code from its code sending means 18 to the user device 2. The code is received by a code receiving means 12 and then returned to the device 10 through a data channel 4B, the exchange 6 and a data channel 8B. When the returned code coincides with the sent code or a previously determined collating code, service data are sent from a data sending means 22 through a formed data channel. When both the codes are not coincided with each other, a disconnection signal is sent to the exchange 6 through the channel 8B.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62234064A JPS6477360A (en) | 1987-09-18 | 1987-09-18 | Data transfer control system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62234064A JPS6477360A (en) | 1987-09-18 | 1987-09-18 | Data transfer control system |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6477360A true JPS6477360A (en) | 1989-03-23 |
Family
ID=16965022
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP62234064A Pending JPS6477360A (en) | 1987-09-18 | 1987-09-18 | Data transfer control system |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6477360A (en) |
-
1987
- 1987-09-18 JP JP62234064A patent/JPS6477360A/en active Pending
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