SE325056B - - Google Patents
Info
- Publication number
- SE325056B SE325056B SE13996/66A SE1399666A SE325056B SE 325056 B SE325056 B SE 325056B SE 13996/66 A SE13996/66 A SE 13996/66A SE 1399666 A SE1399666 A SE 1399666A SE 325056 B SE325056 B SE 325056B
- Authority
- SE
- Sweden
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L13/00—Details of the apparatus or circuits covered by groups H04L15/00 or H04L17/00
- H04L13/02—Details not particular to receiver or transmitter
- H04L13/08—Intermediate storage means
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
- G11B20/14—Digital recording or reproducing using self-clocking codes
- G11B20/1403—Digital recording or reproducing using self-clocking codes characterised by the use of two levels
- G11B20/1407—Digital recording or reproducing using self-clocking codes characterised by the use of two levels code representation depending on a single bit, i.e. where a one is always represented by a first code symbol while a zero is always represented by a second code symbol
- G11B20/1419—Digital recording or reproducing using self-clocking codes characterised by the use of two levels code representation depending on a single bit, i.e. where a one is always represented by a first code symbol while a zero is always represented by a second code symbol to or from biphase level coding, i.e. to or from codes where a one is coded as a transition from a high to a low level during the middle of a bit cell and a zero is encoded as a transition from a low to a high level during the middle of a bit cell or vice versa, e.g. split phase code, Manchester code conversion to or from biphase space or mark coding, i.e. to or from codes where there is a transition at the beginning of every bit cell and a one has no second transition and a zero has a second transition one half of a bit period later or vice versa, e.g. double frequency code, FM code
-
- 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
- H04L25/4904—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 self-synchronising codes, e.g. split-phase codes
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB43907/65A GB1156503A (en) | 1965-10-15 | 1965-10-15 | Improvements relating to Data Recording/Transmission Systems |
Publications (1)
Publication Number | Publication Date |
---|---|
SE325056B true SE325056B (xx) | 1970-06-22 |
Family
ID=10430870
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE13996/66A SE325056B (xx) | 1965-10-15 | 1966-10-14 |
Country Status (4)
Country | Link |
---|---|
US (1) | US3487389A (xx) |
DE (1) | DE1499835A1 (xx) |
GB (1) | GB1156503A (xx) |
SE (1) | SE325056B (xx) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3599156A (en) * | 1968-02-06 | 1971-08-10 | Schlumberger Technology Corp | Methods and apparatus for transmitting data between remote locations |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3377583A (en) * | 1964-10-08 | 1968-04-09 | Mohawk Data Science Corp | Variable density magnetic binary recording and reproducing system |
-
1965
- 1965-10-15 GB GB43907/65A patent/GB1156503A/en not_active Expired
-
1966
- 1966-10-14 SE SE13996/66A patent/SE325056B/xx unknown
- 1966-10-14 US US586839A patent/US3487389A/en not_active Expired - Lifetime
- 1966-10-14 DE DE19661499835 patent/DE1499835A1/de active Pending
Also Published As
Publication number | Publication date |
---|---|
US3487389A (en) | 1969-12-30 |
GB1156503A (en) | 1969-06-25 |
DE1499835A1 (de) | 1970-04-23 |