JPS4991733A - - Google Patents
Info
- Publication number
- JPS4991733A JPS4991733A JP48127833A JP12783373A JPS4991733A JP S4991733 A JPS4991733 A JP S4991733A JP 48127833 A JP48127833 A JP 48127833A JP 12783373 A JP12783373 A JP 12783373A JP S4991733 A JPS4991733 A JP S4991733A
- Authority
- JP
- Japan
- 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.)
- Granted
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
-
- 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
- G11B20/1423—Code representation depending on subsequent bits, e.g. delay modulation, double density code, Miller code
- G11B20/1426—Code representation depending on subsequent bits, e.g. delay modulation, double density code, Miller code conversion to or from block codes or representations thereof
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Error Detection And Correction (AREA)
- Dc Digital Transmission (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US00317980A US3810111A (en) | 1972-12-26 | 1972-12-26 | Data coding with stable base line for recording and transmitting binary data |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4991733A true JPS4991733A (US07754267-20100713-C00021.png) | 1974-09-02 |
| JPS571044B2 JPS571044B2 (US07754267-20100713-C00021.png) | 1982-01-09 |
Family
ID=23236106
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12783373A Expired JPS571044B2 (US07754267-20100713-C00021.png) | 1972-12-26 | 1973-11-15 |
Country Status (7)
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62257U (US07754267-20100713-C00021.png) * | 1986-05-15 | 1987-01-06 |
Families Citing this family (42)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1489177A (en) * | 1973-10-16 | 1977-10-19 | Gen Electric Co Ltd | Digital data signalling systems and apparatus therefor |
| DE2508706C2 (de) * | 1974-05-02 | 1984-10-11 | International Business Machines Corp., Armonk, N.Y. | Schaltungsanordnung zur Codierung von Datenbitfolgen |
| US3995264A (en) * | 1974-11-01 | 1976-11-30 | International Business Machines Corporation | Apparatus for encoding and decoding binary data in a modified zero modulation data code |
| US3988729A (en) * | 1975-01-29 | 1976-10-26 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Differential pulse code modulation |
| USRE31311E (en) * | 1976-03-19 | 1983-07-12 | Ampex Corporation | DC Free encoding for data transmission system |
| US4027335A (en) * | 1976-03-19 | 1977-05-31 | Ampex Corporation | DC free encoding for data transmission system |
| GB1536337A (en) * | 1976-06-02 | 1978-12-20 | Standard Telephones Cables Ltd | Error detection in digital systems |
| FR2382809A1 (fr) * | 1977-03-04 | 1978-09-29 | Cit Alcatel | Dispositif de detection d'erreurs en ligne dans un systeme de transmission numerique |
| US4216460A (en) * | 1977-07-14 | 1980-08-05 | Independent Broadcasting Authority | Transmission and/or recording of digital signals |
| DE2811488A1 (de) * | 1978-03-16 | 1979-09-27 | Siemens Ag | Integrierbarer demodulator fuer getraegerte digitalsignale |
| DE2828219A1 (de) * | 1978-06-28 | 1980-01-10 | Bosch Gmbh Robert | Verfahren zur aufzeichnung und wiedergabe digitaler daten auf magnetspeicher |
| US4437086A (en) | 1978-10-05 | 1984-03-13 | Ampex Corporation | Limited look-ahead means |
| US4234897A (en) * | 1978-10-05 | 1980-11-18 | Ampex Corporation | DC Free encoding for data transmission |
| US4227184A (en) * | 1978-12-19 | 1980-10-07 | International Standard Electric Corporation | Modified Miller Code encoder |
| JPS5665311A (en) * | 1979-10-27 | 1981-06-03 | Nippon Telegr & Teleph Corp <Ntt> | Magnetic recording and reproduction system for digital information |
| AU542859B2 (en) * | 1979-12-28 | 1985-03-21 | Sony Corporation | Method for digital encoding/decoding |
| NL8003476A (nl) * | 1980-06-16 | 1982-01-18 | Philips Nv | Werkwijze voor het coderen van databits op een regis- tratiedrager, inrichting voor het uitvoeren van de werkwijze, registratiedrager voorzien van een infor- matiestructuur en inrichting voor het decoderen van het van de registratiedrager uitgelezen signaal. |
| NL8003474A (nl) * | 1980-06-16 | 1982-01-18 | Philips Nv | Werkwijze voor het coderen van databits op een regis- tratiedrager, inrichting voor het uitvoeren van de werkwijze en registratiedrager voorzien van een informatiestructuur. |
| JPS57132461A (en) * | 1981-02-09 | 1982-08-16 | Sony Corp | Converter for binary data code |
| US4501000A (en) * | 1981-07-27 | 1985-02-19 | Sony Corporation | Method of coding binary data |
| US4547890A (en) * | 1982-09-28 | 1985-10-15 | Abraham M. Gindi | Apparatus and method for forming d.c. free codes |
| US4530088A (en) * | 1983-02-15 | 1985-07-16 | Sperry Corporation | Group coding system for serial data transmission |
| JPS6048645A (ja) * | 1983-08-29 | 1985-03-16 | Sony Corp | 情報変換装置 |
| DE3581422D1 (de) * | 1984-03-09 | 1991-02-28 | Ant Nachrichtentech | Schaltungsanordnung zur bildung der laufenden digitalen summe fuer ein digitales datensignal. |
| EP0176685A3 (de) * | 1984-09-22 | 1988-08-03 | ANT Nachrichtentechnik GmbH | Verfahren zum Ermitteln der laufenden digitalen Summe eines seriellen Datensignales |
| US4617553A (en) * | 1985-08-12 | 1986-10-14 | Harris Corporation | Enhanced Miller code |
| JPH0244583A (ja) * | 1988-08-05 | 1990-02-14 | Toshiba Corp | データ伝送装置 |
| US5151699A (en) * | 1990-09-05 | 1992-09-29 | Pioneer Electronic Corporation | Data converting apparatus |
| US5390195A (en) * | 1992-04-03 | 1995-02-14 | Ampex Corporation | Miller-squared decoder with erasure flag output |
| US5353170A (en) * | 1993-05-19 | 1994-10-04 | International Business Machines Corporation | Error recovery data storage system and method with two position read verification |
| US6246346B1 (en) * | 1997-10-24 | 2001-06-12 | Western Digital Corporation | Storage system employing high-rate code with constraint on run length between occurrences of an influential pattern |
| US6437710B1 (en) | 2000-11-10 | 2002-08-20 | Oasis Design, Inc. | Encoder within a communication system that avoids encoded DC accumulation and can use coding violations to synchronize a decoder and detect transmission errors |
| DE10214188B4 (de) * | 2002-03-28 | 2005-08-25 | Siemens Ag | Verfahren zur gesicherten Übertragung von Daten, insbesondere zur Übertragung über eine Luftschnittstelle |
| US7443781B2 (en) | 2004-07-29 | 2008-10-28 | Hewlett-Packard Development Company, L.P. | Reducing variations in density of perturbations on a storage medium |
| US7164371B2 (en) * | 2004-07-30 | 2007-01-16 | Hitachi Global Storage Technologies Netherlands B.V. | Method and apparatus for data coding for high density recording channels exhibiting low frequency contents |
| US20080198923A1 (en) * | 2007-01-05 | 2008-08-21 | Gramelspacher Michael S | Content signal modulation and decoding |
| US8775707B2 (en) | 2010-12-02 | 2014-07-08 | Blackberry Limited | Single wire bus system |
| US9479275B2 (en) | 2012-06-01 | 2016-10-25 | Blackberry Limited | Multiformat digital audio interface |
| US9336885B1 (en) * | 2012-06-01 | 2016-05-10 | Sk Hynix Memory Solutions Inc. | Reading and writing to NAND flash memories using charge constrained codes |
| EP2856690B1 (en) | 2012-06-01 | 2020-12-02 | BlackBerry Limited | Universal synchronization engine based on probabilistic methods for guarantee of lock in multiformat audio systems |
| US9461812B2 (en) | 2013-03-04 | 2016-10-04 | Blackberry Limited | Increased bandwidth encoding scheme |
| US9473876B2 (en) | 2014-03-31 | 2016-10-18 | Blackberry Limited | Method and system for tunneling messages between two or more devices using different communication protocols |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3623041A (en) * | 1969-07-22 | 1971-11-23 | Ibm | Method and apparatus for encoding and decoding digital data |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| US3374475A (en) * | 1965-05-24 | 1968-03-19 | Potter Instrument Co Inc | High density recording system |
| US3422425A (en) * | 1965-06-29 | 1969-01-14 | Rca Corp | Conversion from nrz code to selfclocking code |
| US3414894A (en) * | 1965-06-29 | 1968-12-03 | Rca Corp | Magnetic recording and reproducing of digital information |
| US3631429A (en) * | 1968-11-19 | 1971-12-28 | Pacific Micronetics Inc | System for reproducibly storing digital data |
| US3631463A (en) * | 1969-03-10 | 1971-12-28 | Sperry Rand Corp | Self-clocked encoding scheme |
| US3618044A (en) * | 1969-11-14 | 1971-11-02 | Gen Dynamics Corp | Information-handling system especially for magnetic recording and reproducing of digital data |
-
1972
- 1972-12-26 US US00317980A patent/US3810111A/en not_active Expired - Lifetime
-
1973
- 1973-10-10 GB GB4719673A patent/GB1440106A/en not_active Expired
- 1973-11-15 JP JP12783373A patent/JPS571044B2/ja not_active Expired
- 1973-11-19 CA CA186,115A patent/CA1007376A/en not_active Expired
- 1973-11-28 IT IT41023/73A patent/IT1001104B/it active
- 1973-12-11 FR FR7345373A patent/FR2211816B1/fr not_active Expired
- 1973-12-22 DE DE2364212A patent/DE2364212C3/de not_active Expired
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3623041A (en) * | 1969-07-22 | 1971-11-23 | Ibm | Method and apparatus for encoding and decoding digital data |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62257U (US07754267-20100713-C00021.png) * | 1986-05-15 | 1987-01-06 | ||
| JPH0233330Y2 (US07754267-20100713-C00021.png) * | 1986-05-15 | 1990-09-07 |
Also Published As
| Publication number | Publication date |
|---|---|
| GB1440106A (en) | 1976-06-23 |
| DE2364212C3 (de) | 1981-11-12 |
| DE2364212A1 (de) | 1974-06-27 |
| DE2364212B2 (US07754267-20100713-C00021.png) | 1981-01-08 |
| CA1007376A (en) | 1977-03-22 |
| FR2211816A1 (US07754267-20100713-C00021.png) | 1974-07-19 |
| JPS571044B2 (US07754267-20100713-C00021.png) | 1982-01-09 |
| US3810111A (en) | 1974-05-07 |
| FR2211816B1 (US07754267-20100713-C00021.png) | 1976-04-30 |
| IT1001104B (it) | 1976-04-20 |
