FR2182490A5 - - Google Patents
Info
- Publication number
- FR2182490A5 FR2182490A5 FR7314603A FR7314603A FR2182490A5 FR 2182490 A5 FR2182490 A5 FR 2182490A5 FR 7314603 A FR7314603 A FR 7314603A FR 7314603 A FR7314603 A FR 7314603A FR 2182490 A5 FR2182490 A5 FR 2182490A5
- Authority
- FR
- France
- 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.)
- Expired
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
- H04L25/4904—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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19722221134 DE2221134A1 (en) | 1972-04-28 | 1972-04-28 | METHOD OF DETECTING THE INFORMATION CONTAINED IN A RECEIVER SYSTEM IN THE TRANSMIT VIBRATIONS ARRIVING FROM A TRANSMITTER SYSTEM |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2182490A5 true FR2182490A5 (en) | 1973-12-07 |
Family
ID=5843658
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7314603A Expired FR2182490A5 (en) | 1972-04-28 | 1973-04-20 |
Country Status (6)
Country | Link |
---|---|
BE (1) | BE798833A (en) |
DE (1) | DE2221134A1 (en) |
FR (1) | FR2182490A5 (en) |
IT (1) | IT983983B (en) |
LU (1) | LU67500A1 (en) |
NL (1) | NL7305598A (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3322623A1 (en) * | 1983-06-23 | 1985-01-03 | Siemens AG, 1000 Berlin und 8000 München | CIRCUIT ARRANGEMENT FOR RECOVERY OF DATA CONTAINING IN BINARY DATA SIGNALS |
JPH0721843B2 (en) * | 1983-12-26 | 1995-03-08 | 株式会社日立製作所 | Waveform equalizer |
-
1972
- 1972-04-28 DE DE19722221134 patent/DE2221134A1/en active Pending
-
1973
- 1973-04-19 IT IT2317573A patent/IT983983B/en active
- 1973-04-19 NL NL7305598A patent/NL7305598A/xx unknown
- 1973-04-20 FR FR7314603A patent/FR2182490A5/fr not_active Expired
- 1973-04-26 LU LU67500D patent/LU67500A1/xx unknown
- 1973-04-27 BE BE130511A patent/BE798833A/en unknown
Also Published As
Publication number | Publication date |
---|---|
LU67500A1 (en) | 1973-10-30 |
NL7305598A (en) | 1973-10-30 |
IT983983B (en) | 1974-11-11 |
BE798833A (en) | 1973-10-29 |
DE2221134A1 (en) | 1973-11-08 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |