AU588469B2 - A system for transmitting a data stream - Google Patents
A system for transmitting a data streamInfo
- Publication number
- AU588469B2 AU588469B2 AU74710/87A AU7471087A AU588469B2 AU 588469 B2 AU588469 B2 AU 588469B2 AU 74710/87 A AU74710/87 A AU 74710/87A AU 7471087 A AU7471087 A AU 7471087A AU 588469 B2 AU588469 B2 AU 588469B2
- Authority
- AU
- Australia
- Prior art keywords
- bit
- polarity
- negative
- positive
- data stream
- 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.)
- Ceased
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/38—Synchronous or start-stop systems, e.g. for Baudot code
- H04L25/40—Transmitting circuits; Receiving circuits
- H04L25/49—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems
- H04L25/4906—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems using binary codes
- H04L25/4908—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems using binary codes using mBnB codes
- H04L25/491—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems using binary codes using mBnB codes using 1B2B codes
- H04L25/4912—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems using binary codes using mBnB codes using 1B2B codes using CMI or 2-HDB-3 code
Landscapes
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Dc Digital Transmission (AREA)
- Circuits Of Receivers In General (AREA)
- Selective Calling Equipment (AREA)
- Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
- Paper (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The arrangement is provided with a system coder (SC), which combines the positive-polarity signals (pc) to be transmitted with the negative-polarity signals (nc) to be transmitted in order to generate from them a 1-bit-to-2-bit coded data stream, with which an additional information signal (Sz) is transmitted along with the main data (Sb). The system coder (SC) comprises a logic circuit (LC) and, once this circuit has been activated by the additional information signal (Sz), on the arrival, without polarity violation, of the first incoming bit of the positive-polarity signal (pc), an additional bit is generated among the negative-polarity signals (nc') whereafter, on the arrival of the first bit of the negative-polarity signal (nc), an additional bit is generated among the positive-polarity signals (pc'). <IMAGE>
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH261386 | 1986-06-27 | ||
CH02613/86 | 1986-06-27 |
Publications (2)
Publication Number | Publication Date |
---|---|
AU7471087A AU7471087A (en) | 1988-01-07 |
AU588469B2 true AU588469B2 (en) | 1989-09-14 |
Family
ID=4237705
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU74710/87A Ceased AU588469B2 (en) | 1986-06-27 | 1987-06-25 | A system for transmitting a data stream |
Country Status (7)
Country | Link |
---|---|
EP (1) | EP0250729B1 (en) |
JP (1) | JPS637048A (en) |
AT (1) | ATE70150T1 (en) |
AU (1) | AU588469B2 (en) |
DE (1) | DE3774941D1 (en) |
ES (1) | ES2026475T3 (en) |
GR (1) | GR3003925T3 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0403856B1 (en) * | 1989-06-15 | 1995-01-04 | Siemens-Albis Aktiengesellschaft | Method and circuit for auxiliary data flow transmission |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4408325A (en) * | 1980-11-28 | 1983-10-04 | Northern Telecom Limited | Transmitting additional signals using violations of a redundant code used for transmitting digital signals |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT1151667B (en) * | 1982-06-24 | 1986-12-24 | Italtel Spa | TRANSMISSION SYSTEM, ON A PHYSICAL FIBER OPTIC CARRIER, OF A MAIN DATA FLOW AND A SECONDARY DATA FLOW |
-
1987
- 1987-04-02 DE DE8787104854T patent/DE3774941D1/en not_active Expired - Fee Related
- 1987-04-02 ES ES198787104854T patent/ES2026475T3/en not_active Expired - Lifetime
- 1987-04-02 EP EP87104854A patent/EP0250729B1/en not_active Expired - Lifetime
- 1987-04-02 AT AT87104854T patent/ATE70150T1/en not_active IP Right Cessation
- 1987-06-19 JP JP62153224A patent/JPS637048A/en active Pending
- 1987-06-25 AU AU74710/87A patent/AU588469B2/en not_active Ceased
-
1992
- 1992-02-28 GR GR910401852T patent/GR3003925T3/el unknown
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4408325A (en) * | 1980-11-28 | 1983-10-04 | Northern Telecom Limited | Transmitting additional signals using violations of a redundant code used for transmitting digital signals |
Also Published As
Publication number | Publication date |
---|---|
EP0250729B1 (en) | 1991-12-04 |
DE3774941D1 (en) | 1992-01-16 |
ES2026475T3 (en) | 1992-05-01 |
EP0250729A1 (en) | 1988-01-07 |
JPS637048A (en) | 1988-01-12 |
AU7471087A (en) | 1988-01-07 |
GR3003925T3 (en) | 1993-03-16 |
ATE70150T1 (en) | 1991-12-15 |
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