DK391488A - Fremgangsmaade og kredsloeb til automatisk indstilling af reguleringsforstaerkningen i en reguleringskreds - Google Patents
Fremgangsmaade og kredsloeb til automatisk indstilling af reguleringsforstaerkningen i en reguleringskredsInfo
- Publication number
- DK391488A DK391488A DK391488A DK391488A DK391488A DK 391488 A DK391488 A DK 391488A DK 391488 A DK391488 A DK 391488A DK 391488 A DK391488 A DK 391488A DK 391488 A DK391488 A DK 391488A
- Authority
- DK
- Denmark
- Prior art keywords
- control
- gain
- circuit
- measurement pulse
- control circuit
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B13/00—Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion
- G05B13/02—Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion electric
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
- G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
- G11B7/0941—Methods and circuits for servo gain or phase compensation during operation
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B13/00—Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion
- G05B13/02—Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion electric
- G05B13/0205—Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion electric not using a model or a simulator of the controlled system
- G05B13/024—Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion electric not using a model or a simulator of the controlled system in which a parameter or coefficient is automatically adjusted to optimise the performance
- G05B13/025—Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion electric not using a model or a simulator of the controlled system in which a parameter or coefficient is automatically adjusted to optimise the performance using a perturbation signal
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
- G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
- G11B7/0945—Methods for initialising servos, start-up sequences
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
- G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
- G11B7/0908—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for focusing only
Landscapes
- Engineering & Computer Science (AREA)
- Software Systems (AREA)
- Artificial Intelligence (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Evolutionary Computation (AREA)
- Medical Informatics (AREA)
- Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Optical Recording Or Reproduction (AREA)
- Control Of Amplification And Gain Control (AREA)
- Transmitters (AREA)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3638831 | 1986-11-13 | ||
DE19863638831 DE3638831A1 (de) | 1986-11-13 | 1986-11-13 | Verfahren und schaltungsanordnung zur automatischen einstellung der regelverstaerkung in einem regelkreis |
EP8700697 | 1987-11-12 | ||
PCT/EP1987/000697 WO1988003671A1 (en) | 1986-11-13 | 1987-11-12 | Process and circuit for automatic setting of the gain in a control circuit |
Publications (3)
Publication Number | Publication Date |
---|---|
DK391488A true DK391488A (da) | 1988-07-13 |
DK391488D0 DK391488D0 (da) | 1988-07-13 |
DK171366B1 DK171366B1 (da) | 1996-09-23 |
Family
ID=6313898
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK391488A DK171366B1 (da) | 1986-11-13 | 1988-07-13 | Spor- eller fokusreguleringskreds til et optisk optegnings- og/eller gengiveapparat |
Country Status (8)
Country | Link |
---|---|
EP (1) | EP0290524B1 (da) |
JP (1) | JP2956765B2 (da) |
KR (1) | KR950015161B1 (da) |
AT (1) | ATE71749T1 (da) |
DE (2) | DE3638831A1 (da) |
DK (1) | DK171366B1 (da) |
HK (1) | HK16596A (da) |
WO (1) | WO1988003671A1 (da) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5319539A (en) * | 1992-05-27 | 1994-06-07 | The Foxboro Company | Method and apparatus for generating an optimal gain of process control equipment |
US5367513A (en) * | 1993-11-05 | 1994-11-22 | International Business Machines Corporation | Focus and tracking servo decoupling system |
DE19757440A1 (de) * | 1997-12-23 | 1999-06-24 | Thomson Brandt Gmbh | Automatisiertes Einstellen der Verstärkung in Regelkreisen |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3727035A (en) * | 1971-06-03 | 1973-04-10 | Phillips Petroleum Co | Pulse test of digital control system |
US4096425A (en) * | 1974-09-19 | 1978-06-20 | Ferranti Limited | Servo systems |
US4466087A (en) * | 1981-01-08 | 1984-08-14 | Xerox Corporation | Optical memory system for a reading/writing, verifying and tracking module |
JPS6148162A (ja) * | 1984-08-14 | 1986-03-08 | Sony Corp | デイスクロ−デイング装置 |
JPS61208102A (ja) * | 1985-03-13 | 1986-09-16 | Mitsubishi Electric Corp | オ−トチユ−ニングコントロ−ラ |
JPS61226803A (ja) * | 1985-03-30 | 1986-10-08 | Toshiba Corp | プロセス制御装置 |
-
1986
- 1986-11-13 DE DE19863638831 patent/DE3638831A1/de not_active Withdrawn
-
1987
- 1987-11-12 JP JP62506775A patent/JP2956765B2/ja not_active Expired - Lifetime
- 1987-11-12 DE DE8787907425T patent/DE3776140D1/de not_active Expired - Lifetime
- 1987-11-12 WO PCT/EP1987/000697 patent/WO1988003671A1/de active IP Right Grant
- 1987-11-12 AT AT87907425T patent/ATE71749T1/de not_active IP Right Cessation
- 1987-11-12 EP EP87907425A patent/EP0290524B1/de not_active Expired - Lifetime
- 1987-11-12 KR KR1019880700817A patent/KR950015161B1/ko not_active IP Right Cessation
-
1988
- 1988-07-13 DK DK391488A patent/DK171366B1/da not_active IP Right Cessation
-
1996
- 1996-01-25 HK HK16596A patent/HK16596A/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
DK171366B1 (da) | 1996-09-23 |
JPH01501349A (ja) | 1989-05-11 |
JP2956765B2 (ja) | 1999-10-04 |
DE3776140D1 (de) | 1992-02-27 |
EP0290524B1 (de) | 1992-01-15 |
HK16596A (en) | 1996-02-02 |
WO1988003671A1 (en) | 1988-05-19 |
DE3638831A1 (de) | 1988-05-19 |
KR890700239A (ko) | 1989-03-10 |
DK391488D0 (da) | 1988-07-13 |
KR950015161B1 (ko) | 1995-12-23 |
EP0290524A1 (de) | 1988-11-17 |
ATE71749T1 (de) | 1992-02-15 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE69726421D1 (de) | Projektor mit einer schaltung und verfahren zum automatischen einstellen des projektors | |
DE3851383D1 (de) | Automatische Fokussierungsschaltung für automatische Fokusanpassung in Abhängigkeit von Videosignalen. | |
JPS5753145A (en) | Calibrator for analogue-digital converter | |
DE69127112D1 (de) | Automatisches Fokussierungsgerät zur automatischen Fokusanpassung in Abhängigkeit von Videosignalen | |
DK0426792T3 (da) | Digital signalproccessorbaseret AGC | |
CA2029719A1 (en) | Optical disc reproducing apparatus | |
DK391488A (da) | Fremgangsmaade og kredsloeb til automatisk indstilling af reguleringsforstaerkningen i en reguleringskreds | |
KR900002985B1 (en) | Automatic gain control circuit | |
ES8204868A1 (es) | Un dispositivo de enfoque optico | |
DK551887A (da) | Fremgangsmaade og kredsloeb til automatisk indstilling af reguleringsforstaerkningen i en reguleringskreds | |
EP1331632A4 (en) | FOCUS CONTROL DEVICE AND FOCUS CONTROL PROCEDURE | |
AU533692B2 (en) | Automatic brightness control and c.r.t. bias adjustment | |
EP0290976A3 (en) | Density control system for a digital copier | |
FI850248A0 (fi) | Kopplingsanordning foer digital nivaoreglering. | |
JPS5439126A (en) | Automatic focusing method | |
JPS5687206A (en) | Automatic recording level setter | |
DE69413426D1 (de) | Schaltung zur automatischen Verstärkungsregelung von wiedergegebenen Signalen | |
ATE33434T1 (de) | Adaptiver entzerrer zur entzerrung mehrstufiger signale. | |
NL190975C (nl) | Distorsie-corrigerende stereofone amplitude-modulatie-ontvanger met niet-vlakke automatische versterkingregeling. | |
JPS5421241A (en) | Automatic gain control unit | |
JPS5434740A (en) | Automatic gain control circuit | |
JPS5417703A (en) | Reproducer of optical type video discs | |
JPS5280803A (en) | Automatic focusing device | |
JPS5714205A (en) | Automatic controller for audio level | |
JPS6459638A (en) | Optical spot controller |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
B1 | Patent granted (law 1993) | ||
PUP | Patent expired |