JPS53132938A - Two-way data transmitter - Google Patents
Two-way data transmitterInfo
- Publication number
- JPS53132938A JPS53132938A JP4818177A JP4818177A JPS53132938A JP S53132938 A JPS53132938 A JP S53132938A JP 4818177 A JP4818177 A JP 4818177A JP 4818177 A JP4818177 A JP 4818177A JP S53132938 A JPS53132938 A JP S53132938A
- Authority
- JP
- Japan
- Prior art keywords
- way data
- data transmitter
- cheap
- make
- base band
- 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
Abstract
PURPOSE: To make two-way data transmission simple and cheap in the unidirectional common viewing system, by transmitting upward data signals through the pulse transmission in the base band.
COPYRIGHT: (C)1978,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP52048181A JPS581868B2 (en) | 1977-04-25 | 1977-04-25 | Bidirectional data transmission device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP52048181A JPS581868B2 (en) | 1977-04-25 | 1977-04-25 | Bidirectional data transmission device |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS53132938A true JPS53132938A (en) | 1978-11-20 |
JPS581868B2 JPS581868B2 (en) | 1983-01-13 |
Family
ID=12796206
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP52048181A Expired JPS581868B2 (en) | 1977-04-25 | 1977-04-25 | Bidirectional data transmission device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS581868B2 (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6066531A (en) * | 1983-09-21 | 1985-04-16 | Nec Corp | Information receptacle |
JPS6066530A (en) * | 1983-09-21 | 1985-04-16 | Nec Corp | Bi-directional information transmission system |
JPS63183774U (en) * | 1987-05-18 | 1988-11-25 | ||
JPH0390575U (en) * | 1989-12-28 | 1991-09-13 |
-
1977
- 1977-04-25 JP JP52048181A patent/JPS581868B2/en not_active Expired
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6066531A (en) * | 1983-09-21 | 1985-04-16 | Nec Corp | Information receptacle |
JPS6066530A (en) * | 1983-09-21 | 1985-04-16 | Nec Corp | Bi-directional information transmission system |
JPS63183774U (en) * | 1987-05-18 | 1988-11-25 | ||
JPH0390575U (en) * | 1989-12-28 | 1991-09-13 |
Also Published As
Publication number | Publication date |
---|---|
JPS581868B2 (en) | 1983-01-13 |
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