JPS522304A - Data transmitting system - Google Patents
Data transmitting systemInfo
- Publication number
- JPS522304A JPS522304A JP50077830A JP7783075A JPS522304A JP S522304 A JPS522304 A JP S522304A JP 50077830 A JP50077830 A JP 50077830A JP 7783075 A JP7783075 A JP 7783075A JP S522304 A JPS522304 A JP S522304A
- Authority
- JP
- Japan
- Prior art keywords
- data transmitting
- transmitting system
- subscriber
- care
- cable
- 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
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
- H04M11/06—Simultaneous speech and data transmission, e.g. telegraphic transmission over the same conductors
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Communication Control (AREA)
Abstract
PURPOSE:To provide a system of transmitting digital signals using aural frequencies on subscriber's cable by use of a simple units such as care-taking telephone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP50077830A JPS522304A (en) | 1975-06-24 | 1975-06-24 | Data transmitting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP50077830A JPS522304A (en) | 1975-06-24 | 1975-06-24 | Data transmitting system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS522304A true JPS522304A (en) | 1977-01-10 |
Family
ID=13644945
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP50077830A Pending JPS522304A (en) | 1975-06-24 | 1975-06-24 | Data transmitting system |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS522304A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4830885A (en) * | 1971-08-19 | 1973-04-23 | ||
| JPS4831034A (en) * | 1971-08-26 | 1973-04-24 |
-
1975
- 1975-06-24 JP JP50077830A patent/JPS522304A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4830885A (en) * | 1971-08-19 | 1973-04-23 | ||
| JPS4831034A (en) * | 1971-08-26 | 1973-04-24 |
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