JPS6430342A - Transmitter - Google Patents
TransmitterInfo
- Publication number
- JPS6430342A JPS6430342A JP62185385A JP18538587A JPS6430342A JP S6430342 A JPS6430342 A JP S6430342A JP 62185385 A JP62185385 A JP 62185385A JP 18538587 A JP18538587 A JP 18538587A JP S6430342 A JPS6430342 A JP S6430342A
- Authority
- JP
- Japan
- Prior art keywords
- subsignal
- cmi
- circuit
- violation
- bit
- 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
- Dc Digital Transmission (AREA)
Abstract
PURPOSE:To eliminate a necessity to add a frame synchronizing bit for a subsignal and to make it sufficient to prepare a violation bit of a CMI(Coded Mark Inversion) code rule by a subsignal degree by making the violation interval of the CMI to superimpose the subsignal into two kinds or more. CONSTITUTION:The titled device is composed of a CMI encoding circuit 1 to CMI-encode a main signal, a subsignal imposing circuit 2 to make the output of the circuit 1 into an input and execute the violation of the CMI code rule corresponding to the subsignal for two kinds or more of bit intervals of the main signal, a subsignal separating circuit 3 to be connected at the output side of the circuit 2 and to separate the subsignal by identifying the violation of the CMI code rule and the violation interval, and a CMI decoding circuit 4 to make the output of the circuit 3 into an input and to decode the CMI code. Thus, it is not necessary to add a synchronizing bit for the subsignal for a subsignal superimposing, and it is sufficient to prepare the bit of only the subsignal to be superimposed to the main signal for the violation of the CMI code rule.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62185385A JPS6430342A (en) | 1987-07-27 | 1987-07-27 | Transmitter |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62185385A JPS6430342A (en) | 1987-07-27 | 1987-07-27 | Transmitter |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6430342A true JPS6430342A (en) | 1989-02-01 |
Family
ID=16169884
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP62185385A Pending JPS6430342A (en) | 1987-07-27 | 1987-07-27 | Transmitter |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6430342A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0342933A (en) * | 1989-07-11 | 1991-02-25 | Nec Corp | Auxiliary signal transmission system |
-
1987
- 1987-07-27 JP JP62185385A patent/JPS6430342A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0342933A (en) * | 1989-07-11 | 1991-02-25 | Nec Corp | Auxiliary signal transmission system |
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