NL190041C - Zelfklokkend overdrachtstelsel. - Google Patents
Zelfklokkend overdrachtstelsel.Info
- Publication number
- NL190041C NL190041C NLAANVRAGE7701211,A NL7701211A NL190041C NL 190041 C NL190041 C NL 190041C NL 7701211 A NL7701211 A NL 7701211A NL 190041 C NL190041 C NL 190041C
- Authority
- NL
- Netherlands
- Prior art keywords
- self
- transfer system
- clocking
- clocking transfer
- transfer
- Prior art date
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
- G11B20/1423—Code representation depending on subsequent bits, e.g. delay modulation, double density code, Miller code
-
- 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
- G11B20/10009—Improvement or modification of read or write signals
-
- 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)
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Dc Digital Transmission (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
- Communication Control (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/668,679 US4027335A (en) | 1976-03-19 | 1976-03-19 | DC free encoding for data transmission system |
Publications (3)
Publication Number | Publication Date |
---|---|
NL7701211A NL7701211A (nl) | 1977-09-21 |
NL190041B NL190041B (nl) | 1993-05-03 |
NL190041C true NL190041C (nl) | 1993-10-01 |
Family
ID=24683321
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NLAANVRAGE7701211,A NL190041C (nl) | 1976-03-19 | 1977-02-04 | Zelfklokkend overdrachtstelsel. |
Country Status (11)
Country | Link |
---|---|
US (1) | US4027335A (de) |
JP (2) | JPS52114206A (de) |
AT (1) | AT389195B (de) |
BE (1) | BE852627A (de) |
CA (4) | CA1085000A (de) |
DE (1) | DE2711526C2 (de) |
FR (1) | FR2345018A1 (de) |
GB (1) | GB1578635A (de) |
IT (1) | IT1086565B (de) |
NL (1) | NL190041C (de) |
NO (1) | NO154179C (de) |
Families Citing this family (55)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2531289A2 (fr) * | 1976-03-19 | 1984-02-03 | Ampex | Appareil et procede de codage sans courant continu pour systeme de transmission de donnees |
US4027335A (en) * | 1976-03-19 | 1977-05-31 | Ampex Corporation | DC free encoding for data transmission system |
JPS5821322B2 (ja) * | 1977-05-07 | 1983-04-28 | 株式会社富士通ゼネラル | デジタル信号の変調方法 |
AU523034B2 (en) * | 1977-11-04 | 1982-07-08 | Discovision Associates | Encoding and decoding digital data |
US4234898A (en) * | 1978-03-15 | 1980-11-18 | Nippon Hoso Kyokai | Digital magnetic recording and reproducing apparatus |
US4167760A (en) * | 1978-03-28 | 1979-09-11 | Ampex Corporation | Bi-phase decoder apparatus and method |
DE2828219A1 (de) * | 1978-06-28 | 1980-01-10 | Bosch Gmbh Robert | Verfahren zur aufzeichnung und wiedergabe digitaler daten auf magnetspeicher |
CA1140998A (en) * | 1978-10-05 | 1983-02-08 | Jerry W. Miller | Dc free encoding for data transmission including limited look-ahead means |
US4234897A (en) * | 1978-10-05 | 1980-11-18 | Ampex Corporation | DC Free encoding for data transmission |
US4437086A (en) | 1978-10-05 | 1984-03-13 | Ampex Corporation | Limited look-ahead means |
DE2922082C2 (de) * | 1979-05-31 | 1981-08-27 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Verfahren und Anordnung zur Übertragung einer Binärfolge |
JPS5665311A (en) * | 1979-10-27 | 1981-06-03 | Nippon Telegr & Teleph Corp <Ntt> | Magnetic recording and reproduction system for digital information |
JPS5690407A (en) * | 1979-12-20 | 1981-07-22 | Sony Corp | Encoding circuit |
AU542859B2 (en) * | 1979-12-28 | 1985-03-21 | Sony Corporation | Method for digital encoding/decoding |
US4392159B1 (en) * | 1980-02-01 | 1997-12-09 | Ampex | Method and apparatus for video signal processing |
US4356518A (en) * | 1980-02-01 | 1982-10-26 | Ampex Corporation | High frequency digital PCM decoding apparatus |
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. |
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. |
JPS57132461A (en) * | 1981-02-09 | 1982-08-16 | Sony Corp | Converter for binary data code |
NL8201411A (nl) * | 1982-04-02 | 1983-11-01 | Philips Nv | Werkwijze voor het optekenen van een digitaal informatiesignaal op een registratiedrager met een stralingsgevoelige informatielaag, een inrichting hiervoor en een optische registratiedrager voorzien van een dergelijk digitaal informatiesignaal. |
JPS5875950A (ja) * | 1981-10-31 | 1983-05-07 | Sony Corp | 2値データの伝送方法 |
US4547890A (en) * | 1982-09-28 | 1985-10-15 | Abraham M. Gindi | Apparatus and method for forming d.c. free codes |
US4649550A (en) * | 1982-12-22 | 1987-03-10 | Amoco Corporation | Telemetry scheme with slope modulated signal |
US4538257A (en) * | 1982-12-23 | 1985-08-27 | Xerox Corporation | Adaptively stabilized recording for direct read after write optical memories |
US4612653A (en) * | 1983-01-21 | 1986-09-16 | E-Systems, Inc. | Delay modulation phase coding |
US4516248A (en) * | 1983-01-21 | 1985-05-07 | E-Systems, Inc. | Variable threshold receiver |
JPS601956A (ja) * | 1983-06-17 | 1985-01-08 | Sony Corp | デイジタルデ−タの変調方法 |
JPS61113172A (ja) * | 1984-09-29 | 1986-05-31 | Olympus Optical Co Ltd | デ−タ復調装置 |
US4737970A (en) * | 1985-06-06 | 1988-04-12 | Rca Corporation | Clock recovery using cavity resonator |
US4617553A (en) * | 1985-08-12 | 1986-10-14 | Harris Corporation | Enhanced Miller code |
US4667337A (en) * | 1985-08-28 | 1987-05-19 | Westinghouse Electric Corp. | Integrated circuit having outputs configured for reduced state changes |
DE3533373A1 (de) * | 1985-09-19 | 1987-03-26 | Ant Nachrichtentech | Verfahren zur taktrueckgewinnung |
FR2589653B1 (fr) * | 1985-11-05 | 1990-03-23 | Lignes Telegraph Telephon | Dispositif de mise en oeuvre d'un code a faible disparite accumulee en transmission numerique a haut debit et procede de codage utilisant un tel dispositif |
US4864588A (en) * | 1987-02-11 | 1989-09-05 | Hillier Technologies Limited Partnership | Remote control system, components and methods |
US4775985A (en) * | 1987-04-06 | 1988-10-04 | Sony Corporation | Method of dc-free 8/9 nrz coding using a unique sync word pattern |
US4868853A (en) * | 1987-04-15 | 1989-09-19 | Hitachi, Ltd. | Demodulation circuit for digital modulated signal |
US4965575A (en) * | 1988-10-07 | 1990-10-23 | Eastman Kodak Company | Data alignment circuit and method for self-clocking encoded data |
JPH02156732A (ja) * | 1988-12-09 | 1990-06-15 | Hitachi Ltd | 復調装置 |
US5023891A (en) * | 1989-07-25 | 1991-06-11 | Sf2 Corporation | Method and circuit for decoding a Manchester code signal |
US5805632A (en) * | 1992-11-19 | 1998-09-08 | Cirrus Logic, Inc. | Bit rate doubler for serial data transmission or storage |
US5916315A (en) * | 1994-08-23 | 1999-06-29 | Ampex Systems Corporation | Viterbi detector for class II partial response equalized miller-squared signals |
US6002718A (en) * | 1995-10-27 | 1999-12-14 | Hewlett-Packard Company | Method and apparatus for generating runlength-limited coding with DC control |
DE19609774C2 (de) * | 1996-03-13 | 1997-08-21 | Juergen Kindler | JK-double-space |
US6359744B1 (en) * | 1999-09-13 | 2002-03-19 | Maxtor Corporation | Reducing thermal decay of data signals recorded on magnetic media |
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 |
US6917313B1 (en) | 2002-01-16 | 2005-07-12 | Marvell International Ltd. | DC-free codes |
KR100560770B1 (ko) * | 2003-09-15 | 2006-03-13 | 삼성전자주식회사 | 실시간 프로토콜 전환 기능을 갖는 비접촉 집적회로 카드및 그것을 포함한 카드 시스템 |
US6888478B1 (en) * | 2004-02-03 | 2005-05-03 | Unisys Corporation | Data recording on digital media using direction and position of recording for compression of recorded data |
DE102004021398B4 (de) * | 2004-04-30 | 2007-06-28 | Infineon Technologies Ag | Verfahren und Schaltungsanordnung zum Zurücksetzen einer integrierten Schaltung |
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 |
US7689132B2 (en) * | 2005-06-07 | 2010-03-30 | Industrial Technology Research Institute | Interference-rejection coding method for an optical wireless communication system and the optical wireless communication system thereof |
US7640444B2 (en) * | 2006-01-26 | 2009-12-29 | Nils Graef | Systems and methods for low power bus operation |
US7844020B2 (en) * | 2007-06-08 | 2010-11-30 | Advantest Corporation | Transmission system, transmitter, receiver, and transmission method |
US11967973B2 (en) | 2021-05-06 | 2024-04-23 | Samsung Display Co., Ltd. | Low overhead transition encoding codes |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3108261A (en) * | 1960-04-11 | 1963-10-22 | Ampex | Recording and/or reproducing system |
US3622894A (en) * | 1970-12-07 | 1971-11-23 | Ibm | Predetection signal compensation |
US3810111A (en) * | 1972-12-26 | 1974-05-07 | Ibm | Data coding with stable base line for recording and transmitting binary data |
US3838448A (en) * | 1973-02-07 | 1974-09-24 | Control Data Corp | Compensated baseline circuit |
US3855616A (en) * | 1973-10-01 | 1974-12-17 | Ibm | Phase shift reducing digital signal recording having no d.c. component |
US4027335A (en) * | 1976-03-19 | 1977-05-31 | Ampex Corporation | DC free encoding for data transmission system |
-
1976
- 1976-03-19 US US05/668,679 patent/US4027335A/en not_active Ceased
-
1977
- 1977-01-12 CA CA269,537A patent/CA1085000A/en not_active Expired
- 1977-01-27 JP JP733577A patent/JPS52114206A/ja active Pending
- 1977-02-04 NL NLAANVRAGE7701211,A patent/NL190041C/xx not_active IP Right Cessation
- 1977-03-04 IT IT48317/77A patent/IT1086565B/it active
- 1977-03-07 NO NO770783A patent/NO154179C/no unknown
- 1977-03-08 GB GB9787/77A patent/GB1578635A/en not_active Expired
- 1977-03-16 DE DE2711526A patent/DE2711526C2/de not_active Expired
- 1977-03-17 FR FR7707949A patent/FR2345018A1/fr active Granted
- 1977-03-18 BE BE175909A patent/BE852627A/xx not_active IP Right Cessation
- 1977-03-18 AT AT0188777A patent/AT389195B/de not_active IP Right Cessation
-
1983
- 1983-02-16 CA CA000421776A patent/CA1152182B/en not_active Expired
- 1983-02-16 CA CA000421774A patent/CA1152164B/en not_active Expired
- 1983-02-16 CA CA000421775A patent/CA1152181B/en not_active Expired
- 1983-06-09 JP JP58103507A patent/JPS60149247A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
FR2345018B1 (de) | 1981-07-17 |
NO770783L (no) | 1977-09-20 |
NO154179B (no) | 1986-04-21 |
CA1152181B (en) | 1983-08-16 |
NL190041B (nl) | 1993-05-03 |
US4027335A (en) | 1977-05-31 |
DE2711526C2 (de) | 1982-12-02 |
NO154179C (no) | 1986-08-06 |
BE852627A (fr) | 1977-07-18 |
IT1086565B (it) | 1985-05-28 |
NL7701211A (nl) | 1977-09-21 |
AT389195B (de) | 1989-10-25 |
DE2711526A1 (de) | 1977-09-22 |
ATA188777A (de) | 1989-03-15 |
FR2345018A1 (fr) | 1977-10-14 |
CA1152182B (en) | 1983-08-16 |
JPS60149247A (ja) | 1985-08-06 |
GB1578635A (en) | 1980-11-05 |
JPS52114206A (en) | 1977-09-24 |
CA1085000A (en) | 1980-09-02 |
CA1152164B (en) | 1983-08-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
BC | A request for examination has been filed | ||
A85 | Still pending on 85-01-01 | ||
SNR | Assignments of patents or rights arising from examined patent applications |
Owner name: AMPEX SYSTEMS CORPORATION |
|
V4 | Discontinued because of reaching the maximum lifetime of a patent |
Free format text: 970204 |