SE415941B - Metod for korrigering av fasfel for en atergivningssingnal vid en magnetisk signaluppteckningsenhet, samt atergivningskrets for tillempning av metoden - Google Patents
Metod for korrigering av fasfel for en atergivningssingnal vid en magnetisk signaluppteckningsenhet, samt atergivningskrets for tillempning av metodenInfo
- Publication number
- SE415941B SE415941B SE7613026A SE7613026A SE415941B SE 415941 B SE415941 B SE 415941B SE 7613026 A SE7613026 A SE 7613026A SE 7613026 A SE7613026 A SE 7613026A SE 415941 B SE415941 B SE 415941B
- Authority
- SE
- Sweden
- Prior art keywords
- return
- applying
- recording unit
- correcting phase
- phase faults
- 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
- G11B20/10009—Improvement or modification of read or write signals
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/634,800 US4005477A (en) | 1975-11-24 | 1975-11-24 | Phase equalized readback apparatus and methods |
Publications (2)
Publication Number | Publication Date |
---|---|
SE7613026L SE7613026L (sv) | 1977-05-25 |
SE415941B true SE415941B (sv) | 1980-11-10 |
Family
ID=24545231
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE7613026A SE415941B (sv) | 1975-11-24 | 1976-11-22 | Metod for korrigering av fasfel for en atergivningssingnal vid en magnetisk signaluppteckningsenhet, samt atergivningskrets for tillempning av metoden |
Country Status (9)
Country | Link |
---|---|
US (1) | US4005477A (fr) |
JP (1) | JPS5913089B2 (fr) |
CA (1) | CA1064615A (fr) |
DE (1) | DE2644013A1 (fr) |
FR (1) | FR2332576A1 (fr) |
GB (1) | GB1513484A (fr) |
IT (1) | IT1074067B (fr) |
NL (1) | NL7613017A (fr) |
SE (1) | SE415941B (fr) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2813207A1 (de) * | 1978-03-25 | 1979-10-04 | Bosch Gmbh Robert | System zur korrektur von signalen, welche frequenzmoduliert von einem aufzeichnungstraeger abgenommen werden |
US4191976A (en) * | 1978-09-26 | 1980-03-04 | Data General Corporation | Circuit indicating phase relationship |
JPS5715207A (en) * | 1980-07-03 | 1982-01-26 | Victor Co Of Japan Ltd | Frequency-characteristic correction device of rotary information recording medium reproducing device |
US4580176A (en) * | 1983-11-21 | 1986-04-01 | International Business Machines Corporation | Adaptive equalization circuit for magnetic recording channels utilizing signal timing |
JPS6171470A (ja) * | 1984-09-14 | 1986-04-12 | Olympus Optical Co Ltd | 波形等化回路 |
US4615037A (en) * | 1985-01-29 | 1986-09-30 | Ampex Corporation | Phase scatter detection and reduction circuit and method |
GB2199470B (en) * | 1986-12-31 | 1991-01-30 | Racal Recorders Ltd | Electrical circuit arrangements |
JPH01229516A (ja) * | 1988-03-10 | 1989-09-13 | Sony Corp | 自動等化器 |
JP2550772B2 (ja) * | 1990-10-26 | 1996-11-06 | 日本ビクター株式会社 | 光学的情報記録媒体円盤の再生装置 |
JPH10188482A (ja) * | 1996-10-29 | 1998-07-21 | Sony Corp | デジタル信号再生回路およびデジタル信号再生方法 |
JPH11219566A (ja) * | 1997-11-28 | 1999-08-10 | Matsushita Electric Ind Co Ltd | ディジタルデータ再生装置および再生信号二値化レベル補正方法 |
US6895349B2 (en) * | 2000-11-09 | 2005-05-17 | Tektronix, Inc. | Gate comparator |
US7688887B2 (en) * | 2003-09-02 | 2010-03-30 | Gennum Corporation | Precision adaptive equalizer |
JP2019097080A (ja) * | 2017-11-24 | 2019-06-20 | 富士通株式会社 | 信号再生回路、光モジュール及び信号再生方法 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3253237A (en) * | 1961-03-10 | 1966-05-24 | Data Control Systems Inc | Frequency modulated oscillator |
US3181133A (en) * | 1961-05-29 | 1965-04-27 | Electro Mechanical Res Inc | Tape-speed compensation utilizing phase-locked loop detectors for use in telemetering systems |
US3488452A (en) * | 1965-05-24 | 1970-01-06 | Astrodata Inc | Record speed compensation for systems for processing recorded information |
US3938184A (en) * | 1975-03-21 | 1976-02-10 | The United States Of America As Represented By The Secretary Of The Navy | Digital flutter reduction system |
-
1975
- 1975-11-24 US US05/634,800 patent/US4005477A/en not_active Expired - Lifetime
-
1976
- 1976-08-31 GB GB36047/76A patent/GB1513484A/en not_active Expired
- 1976-09-24 IT IT27567/76A patent/IT1074067B/it active
- 1976-09-30 DE DE19762644013 patent/DE2644013A1/de not_active Withdrawn
- 1976-10-18 FR FR7632451A patent/FR2332576A1/fr active Granted
- 1976-11-02 JP JP51131345A patent/JPS5913089B2/ja not_active Expired
- 1976-11-22 SE SE7613026A patent/SE415941B/xx unknown
- 1976-11-23 NL NL7613017A patent/NL7613017A/xx not_active Application Discontinuation
- 1976-11-24 CA CA266,528A patent/CA1064615A/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
SE7613026L (sv) | 1977-05-25 |
DE2644013A1 (de) | 1977-05-26 |
NL7613017A (nl) | 1977-05-26 |
FR2332576B1 (fr) | 1978-12-15 |
CA1064615A (fr) | 1979-10-16 |
GB1513484A (en) | 1978-06-07 |
FR2332576A1 (fr) | 1977-06-17 |
US4005477A (en) | 1977-01-25 |
IT1074067B (it) | 1985-04-17 |
JPS5913089B2 (ja) | 1984-03-27 |
JPS5265414A (en) | 1977-05-30 |
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