GB1109942A - Improvements in systems for exploiting information signals - Google Patents
Improvements in systems for exploiting information signalsInfo
- Publication number
- GB1109942A GB1109942A GB23496/66A GB2349666A GB1109942A GB 1109942 A GB1109942 A GB 1109942A GB 23496/66 A GB23496/66 A GB 23496/66A GB 2349666 A GB2349666 A GB 2349666A GB 1109942 A GB1109942 A GB 1109942A
- Authority
- GB
- United Kingdom
- Prior art keywords
- pulses
- bit
- pulse
- flip
- signal
- 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.)
- Expired
Links
Classifications
-
- 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)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Digital Magnetic Recording (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR19096A FR1455912A (fr) | 1965-06-01 | 1965-06-01 | Perfectionnements aux systèmes d'exploitation d'un signal d'information binaire |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1109942A true GB1109942A (en) | 1968-04-18 |
Family
ID=8580476
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB23496/66A Expired GB1109942A (en) | 1965-06-01 | 1966-05-25 | Improvements in systems for exploiting information signals |
Country Status (5)
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6115700A (ja) * | 1984-07-03 | 1986-01-23 | 横河電機株式会社 | 結晶缶プログラム制御方法 |
| US7512861B2 (en) * | 2004-05-20 | 2009-03-31 | Vladimir Brajovic | Method for determining identity of simultaneous events and applications to image sensing and A/D conversion |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2979565A (en) * | 1959-04-15 | 1961-04-11 | Gen Dynamics Corp | Multiplexing synchronizer |
| US3226685A (en) * | 1961-06-02 | 1965-12-28 | Potter Instrument Co Inc | Digital recording systems utilizing ternary, n bit binary and other self-clocking forms |
-
1965
- 1965-06-01 FR FR19096A patent/FR1455912A/fr not_active Expired
-
1966
- 1966-05-23 US US552075A patent/US3404379A/en not_active Expired - Lifetime
- 1966-05-25 GB GB23496/66A patent/GB1109942A/en not_active Expired
- 1966-05-25 BE BE681545D patent/BE681545A/xx unknown
- 1966-05-27 DE DE19661499898 patent/DE1499898A1/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| FR1455912A (fr) | 1966-10-21 |
| BE681545A (US06633782-20031014-M00005.png) | 1966-10-31 |
| US3404379A (en) | 1968-10-01 |
| DE1499898A1 (de) | 1970-05-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US3281806A (en) | Pulse width modulation representation of paired binary digits | |
| US2698427A (en) | Magnetic memory channel recirculating system | |
| US3237176A (en) | Binary recording system | |
| US2896192A (en) | Data processing apparatus | |
| GB1109942A (en) | Improvements in systems for exploiting information signals | |
| US3049698A (en) | Readback circuit for high-density magnetic bit storage | |
| US3172091A (en) | Digital tachometer | |
| US3191058A (en) | Detection circuit utilizing opposite conductiviity transistors to detect charge on acapacitor | |
| GB908268A (en) | Electromechanical signal translating devices | |
| US2936444A (en) | Data processing techniques | |
| GB1003210A (en) | Method of magnetic recording | |
| US2972736A (en) | Bi-directional magnetic tape recording | |
| US2815498A (en) | Magnetic memory channel recirculating systems | |
| GB1203437A (en) | Data recovery system | |
| GB985002A (en) | Recording system | |
| GB1034995A (en) | Digital parity checking method and system | |
| US3509549A (en) | Magnetic recording and reproducing of cue signals,including pulse width discrimination for cue signal selection | |
| US3165721A (en) | Compensating circuit for delay line | |
| GB1099568A (en) | Magnetic recording apparatus | |
| US3133274A (en) | Ternary recording and reproducing apparatus | |
| US3035255A (en) | Magnetic recording system | |
| GB1365057A (en) | Testing the adressing circuitry of a data store | |
| GB1020632A (en) | Magnetic storage apparatus | |
| US3207915A (en) | Single channel nrzi detection circuit | |
| US3126547A (en) | Rosenberg |