SE452936B - Kretsanordning for omvandling av en fran en uppteckningsberare avlest informationssignal till en fyrkantsignal - Google Patents
Kretsanordning for omvandling av en fran en uppteckningsberare avlest informationssignal till en fyrkantsignalInfo
- Publication number
- SE452936B SE452936B SE8206312A SE8206312A SE452936B SE 452936 B SE452936 B SE 452936B SE 8206312 A SE8206312 A SE 8206312A SE 8206312 A SE8206312 A SE 8206312A SE 452936 B SE452936 B SE 452936B
- Authority
- SE
- Sweden
- Prior art keywords
- signal
- circuit
- output
- reference signal
- failure
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
-
- 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
- G11B20/10037—A/D conversion, D/A conversion, sampling, slicing and digital quantisation or adjusting parameters thereof
-
- 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
-
- 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
- G11B20/18—Error detection or correction; Testing, e.g. of drop-outs
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K5/00—Manipulating of pulses not covered by one of the other main groups of this subclass
- H03K5/153—Arrangements in which a pulse is delivered at the instant when a predetermined characteristic of an input signal is present or at a fixed time interval after this instant
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Theoretical Computer Science (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Optical Recording Or Reproduction (AREA)
- Digital Magnetic Recording (AREA)
- Dc Digital Transmission (AREA)
- Television Signal Processing For Recording (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL8105095A NL8105095A (nl) | 1981-11-11 | 1981-11-11 | Schakeling voor het omzetten van een informatiesignaal in een rechthoekvormig signaal. |
Publications (3)
Publication Number | Publication Date |
---|---|
SE8206312D0 SE8206312D0 (sv) | 1982-11-08 |
SE8206312L SE8206312L (sv) | 1983-05-12 |
SE452936B true SE452936B (sv) | 1987-12-21 |
Family
ID=19838350
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE8206312A SE452936B (sv) | 1981-11-11 | 1982-11-08 | Kretsanordning for omvandling av en fran en uppteckningsberare avlest informationssignal till en fyrkantsignal |
Country Status (13)
Country | Link |
---|---|
US (1) | US4499570A (fr) |
JP (1) | JPS5891514A (fr) |
KR (1) | KR900008413B1 (fr) |
AU (1) | AU552685B2 (fr) |
BE (1) | BE894961A (fr) |
CA (1) | CA1188798A (fr) |
CH (1) | CH659926A5 (fr) |
DE (1) | DE3240853C2 (fr) |
ES (1) | ES517188A0 (fr) |
FR (1) | FR2516323B1 (fr) |
GB (1) | GB2109187B (fr) |
NL (1) | NL8105095A (fr) |
SE (1) | SE452936B (fr) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58205911A (ja) * | 1982-05-26 | 1983-12-01 | Hitachi Ltd | デ−タスライス回路 |
JPS5914108A (ja) * | 1982-07-13 | 1984-01-25 | Sanyo Electric Co Ltd | 基準レベル設定回路 |
JPS6087469A (ja) * | 1983-10-19 | 1985-05-17 | Hitachi Ltd | ドロップアウト補償装置 |
JP2534988B2 (ja) * | 1986-04-30 | 1996-09-18 | 株式会社リコー | 情報信号再生方法 |
JPS6329362A (ja) * | 1986-07-22 | 1988-02-08 | Hitachi Ltd | 映像信号再生装置の時間軸変動補正回路 |
US4680651A (en) * | 1986-08-19 | 1987-07-14 | Eastman Kodak Company | Timing signal dropout compensation circuit |
DE3633768A1 (de) * | 1986-10-03 | 1988-04-14 | Endress Hauser Gmbh Co | Verfahren und anordnung zur erzeugung eines mittelwertfreien binaeren signals |
JPH083945B2 (ja) * | 1987-01-17 | 1996-01-17 | 日本ビクター株式会社 | 高速エラー検査システム用の波形変換回路 |
JP2619381B2 (ja) * | 1987-03-20 | 1997-06-11 | 株式会社日立製作所 | 光学的情報再生装置 |
JPS63305686A (ja) * | 1987-06-08 | 1988-12-13 | Sony Corp | ドロップアウト検出回路 |
JPH03219426A (ja) * | 1988-12-26 | 1991-09-26 | Canon Inc | 光学的情報記録媒体及び光学的情報記録再生装置及び方法 |
JPH04212723A (ja) * | 1990-07-31 | 1992-08-04 | Toshiba Corp | 情報記録再生装置 |
BE1007029A3 (nl) * | 1993-04-22 | 1995-02-21 | Koninkl Philips Electronics Nv | Werkwijze voor het afleiden van een kwaliteitssignaal uit een uitgelezen signaal, alsmede een optekeninrichting en een uitleesinrichting waarin een dergelijke werkwijze wordt toegepast. |
US5894468A (en) * | 1994-05-06 | 1999-04-13 | Discovision Associates | Data recovery with differentiation and partial integration stages to eliminate noises and DC offset level |
US5790495A (en) * | 1994-05-06 | 1998-08-04 | Discovision Associates | Data generator assembly for retrieving stored data by comparing threshold signal with preprocessed signal having DC component |
DE19756664C2 (de) * | 1997-12-19 | 1999-11-25 | Mtu Muenchen Gmbh | Verfahren und elektrische Schaltung zur Totzeitregelung bei variierenden Impulsfolgefrequenzen |
GB0029121D0 (en) * | 2000-11-29 | 2001-01-10 | Lsi Logic Europ Ltd | Apparatus and method providing a mirror averaging function to generate a mirror signal from optical data on an optical disc |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3483542A (en) * | 1962-09-13 | 1969-12-09 | Litton Business Systems Inc | Variable threshold playback amplifier |
FR1602249A (fr) * | 1968-12-20 | 1970-10-26 | ||
US3761905A (en) * | 1971-08-20 | 1973-09-25 | Information Storage Systems | Disc pack defect detection system |
US3772604A (en) * | 1972-05-12 | 1973-11-13 | Coulter Electronics | Non-rectifying clamps |
US3990108A (en) * | 1972-08-02 | 1976-11-02 | Matsushita Electric Industrial Co., Ltd. | Magnetic tape speed control system |
DE2451800C3 (de) * | 1973-11-09 | 1978-12-14 | N.V. Philips' Gloeilampenfabrieken, Eindhoven (Niederlande) | Spitzendetektion mit konstantem Teiloffset-Betrieb |
US3947873A (en) * | 1974-09-19 | 1976-03-30 | Basf Aktiengesellschaft | Method and circuit for detecting and compensating for drop-out and distortion of frequency modulated video signals |
FR2358797A1 (fr) * | 1976-07-16 | 1978-02-10 | Thomson Brandt | Systeme de correction automatique du facteur de forme de l'onde porteuse issue de la lecture d'un support d'information |
US4119918A (en) * | 1977-05-02 | 1978-10-10 | Helm Instrument Company | Auto zero circuit |
JPS5757025A (en) * | 1980-09-24 | 1982-04-06 | Sony Corp | Waveform converting circuit |
JPS57176520A (en) * | 1981-04-20 | 1982-10-29 | Akai Electric Co Ltd | Pcm reproducer |
-
1981
- 1981-11-11 NL NL8105095A patent/NL8105095A/nl not_active Application Discontinuation
-
1982
- 1982-01-11 US US06/338,716 patent/US4499570A/en not_active Expired - Fee Related
- 1982-11-04 CA CA000414847A patent/CA1188798A/fr not_active Expired
- 1982-11-05 DE DE3240853A patent/DE3240853C2/de not_active Expired - Fee Related
- 1982-11-05 GB GB08231711A patent/GB2109187B/en not_active Expired
- 1982-11-08 SE SE8206312A patent/SE452936B/sv not_active IP Right Cessation
- 1982-11-08 ES ES517188A patent/ES517188A0/es active Granted
- 1982-11-08 KR KR8205028A patent/KR900008413B1/ko active
- 1982-11-08 CH CH6479/82A patent/CH659926A5/de not_active IP Right Cessation
- 1982-11-09 BE BE0/209437A patent/BE894961A/fr not_active IP Right Cessation
- 1982-11-09 AU AU90277/82A patent/AU552685B2/en not_active Ceased
- 1982-11-10 FR FR8218921A patent/FR2516323B1/fr not_active Expired
- 1982-11-11 JP JP57196872A patent/JPS5891514A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
DE3240853C2 (de) | 1994-04-28 |
SE8206312L (sv) | 1983-05-12 |
SE8206312D0 (sv) | 1982-11-08 |
ES8308187A1 (es) | 1983-08-01 |
GB2109187B (en) | 1985-03-13 |
FR2516323A1 (fr) | 1983-05-13 |
NL8105095A (nl) | 1983-06-01 |
JPH0516103B2 (fr) | 1993-03-03 |
US4499570A (en) | 1985-02-12 |
DE3240853A1 (de) | 1983-05-19 |
CA1188798A (fr) | 1985-06-11 |
ES517188A0 (es) | 1983-08-01 |
KR900008413B1 (ko) | 1990-11-20 |
CH659926A5 (de) | 1987-02-27 |
FR2516323B1 (fr) | 1985-07-12 |
BE894961A (fr) | 1983-05-09 |
JPS5891514A (ja) | 1983-05-31 |
GB2109187A (en) | 1983-05-25 |
KR840002546A (ko) | 1984-07-02 |
AU9027782A (en) | 1983-05-19 |
AU552685B2 (en) | 1986-06-12 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NUG | Patent has lapsed |
Ref document number: 8206312-4 Effective date: 19910611 Format of ref document f/p: F |