JPS545693A - Information communication system - Google Patents
Information communication systemInfo
- Publication number
- JPS545693A JPS545693A JP7237377A JP7237377A JPS545693A JP S545693 A JPS545693 A JP S545693A JP 7237377 A JP7237377 A JP 7237377A JP 7237377 A JP7237377 A JP 7237377A JP S545693 A JPS545693 A JP S545693A
- Authority
- JP
- Japan
- Prior art keywords
- communication system
- information communication
- modulation signal
- transmission
- information
- 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 secure the transmission of two units of information with one transmitter by using the double modulation signal for the main information transmission and the single modulation signal for the secondary information transmission respectively.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7237377A JPS545693A (en) | 1977-06-15 | 1977-06-15 | Information communication system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7237377A JPS545693A (en) | 1977-06-15 | 1977-06-15 | Information communication system |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS545693A true JPS545693A (en) | 1979-01-17 |
Family
ID=13487428
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7237377A Pending JPS545693A (en) | 1977-06-15 | 1977-06-15 | Information communication system |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS545693A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01179143A (en) * | 1988-01-08 | 1989-07-17 | Fuji Photo Film Co Ltd | Silver halide photographic sensitive material |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5044390A (en) * | 1973-08-24 | 1975-04-21 |
-
1977
- 1977-06-15 JP JP7237377A patent/JPS545693A/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5044390A (en) * | 1973-08-24 | 1975-04-21 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01179143A (en) * | 1988-01-08 | 1989-07-17 | Fuji Photo Film Co Ltd | Silver halide photographic sensitive material |
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