NO762851L - - Google Patents
Info
- Publication number
- NO762851L NO762851L NO762851A NO762851A NO762851L NO 762851 L NO762851 L NO 762851L NO 762851 A NO762851 A NO 762851A NO 762851 A NO762851 A NO 762851A NO 762851 L NO762851 L NO 762851L
- Authority
- NO
- Norway
- Prior art keywords
- signal
- reading
- multivibrator
- track
- control signal
- Prior art date
Links
- 238000001514 detection method Methods 0.000 claims description 16
- 230000008878 coupling Effects 0.000 claims description 12
- 238000010168 coupling process Methods 0.000 claims description 12
- 238000005859 coupling reaction Methods 0.000 claims description 12
- 230000005855 radiation Effects 0.000 claims description 10
- 230000007423 decrease Effects 0.000 claims description 4
- 230000000903 blocking effect Effects 0.000 claims description 2
- 238000005259 measurement Methods 0.000 description 39
- 238000006073 displacement reaction Methods 0.000 description 25
- 230000003287 optical effect Effects 0.000 description 10
- 239000003990 capacitor Substances 0.000 description 7
- 230000008901 benefit Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000000969 carrier Substances 0.000 description 3
- 230000001419 dependent effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000005669 field effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000000737 periodic effect Effects 0.000 description 2
- 230000004913 activation Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/7605—Television signal recording on discs or drums
-
- 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
- G11B7/085—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam into, or out of, its operative position or across tracks, otherwise than during the transducing operation, e.g. for adjustment or preliminary positioning or track change or selection
- G11B7/08505—Methods for track change, selection or preliminary positioning by moving the head
- G11B7/08529—Methods and circuits to control the velocity of the head as it traverses the tracks
-
- 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
- G11B7/085—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam into, or out of, its operative position or across tracks, otherwise than during the transducing operation, e.g. for adjustment or preliminary positioning or track change or selection
- G11B7/08547—Arrangements for positioning the light beam only without moving the head, e.g. using static electro-optical elements
- G11B7/08564—Arrangements for positioning the light beam only without moving the head, e.g. using static electro-optical elements using galvanomirrors
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S358/00—Facsimile and static presentation processing
- Y10S358/907—Track skippers, i.e. "groove skippers"
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
- Optical Recording Or Reproduction (AREA)
- Inspection Of Paper Currency And Valuable Securities (AREA)
- Credit Cards Or The Like (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL7509906A NL7509906A (nl) | 1975-08-21 | 1975-08-21 | Inrichting voor het uitlezen van een schijfvor- mige registratiedrager. |
Publications (1)
Publication Number | Publication Date |
---|---|
NO762851L true NO762851L (sv) | 1977-02-22 |
Family
ID=19824332
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO762851A NO762851L (sv) | 1975-08-21 | 1976-08-18 |
Country Status (21)
Country | Link |
---|---|
US (1) | US4057832A (sv) |
JP (1) | JPS5226802A (sv) |
AR (1) | AR212969A1 (sv) |
AT (1) | AT351818B (sv) |
AU (1) | AU500259B2 (sv) |
BE (1) | BE845349A (sv) |
BR (1) | BR7605419A (sv) |
CA (1) | CA1086858A (sv) |
CH (1) | CH607510A5 (sv) |
DE (1) | DE2635689C2 (sv) |
DK (1) | DK372676A (sv) |
ES (1) | ES450801A1 (sv) |
FR (1) | FR2321808A1 (sv) |
GB (1) | GB1553294A (sv) |
HK (1) | HK8980A (sv) |
IT (1) | IT1071195B (sv) |
NL (1) | NL7509906A (sv) |
NO (1) | NO762851L (sv) |
NZ (1) | NZ181796A (sv) |
SE (2) | SE406658B (sv) |
ZA (1) | ZA764641B (sv) |
Families Citing this family (62)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2376486A1 (fr) * | 1977-01-04 | 1978-07-28 | Thomson Brandt | Systeme generateur d'impulsion de saut de piste et lecteur optique muni d'un tel systeme |
NL182687C (nl) * | 1977-03-17 | 1988-04-18 | Philips Nv | Systeem voor het weergeven van een op een schijfvormige registratiedrager opgetekend programma, alsmede een uitleesinrichting en registratiedrager voor toepassing in een dergelijk systeem. |
US4160270A (en) * | 1977-09-22 | 1979-07-03 | Rca Corporation | Tracking servo system for video disc player/recorder |
JPS5498517A (en) * | 1978-01-20 | 1979-08-03 | Victor Co Of Japan Ltd | Reproducer for information signal |
US4332022A (en) * | 1978-03-27 | 1982-05-25 | Discovision Associates | Tracking system and method for video disc player |
AU573127B2 (en) * | 1978-03-27 | 1988-05-26 | Discovision Associates | Tracking method for recorded information |
USRE32051E (en) * | 1978-03-27 | 1985-12-17 | Discovision Associates | Tracking system and method for video disc player |
US4488275A (en) * | 1978-03-27 | 1984-12-11 | Discovision Associates | Tracking system for video disc player |
USRE32709E (en) * | 1978-03-27 | 1988-07-05 | Discovision Associates | Tracking system for video disc player |
SE7813460L (sv) * | 1978-03-27 | 1979-09-28 | Mca Disco Vision | Videoskivspelare |
AU573128B2 (en) * | 1978-03-27 | 1988-05-26 | Discovision Associates | Tracking method and tracking system |
NL7810298A (nl) * | 1978-10-13 | 1980-04-15 | Philips Nv | Inrichting voor het uitlezen van een schijfvormige registratiedrager. |
JPS5599889A (en) * | 1979-01-05 | 1980-07-30 | Pioneer Video Corp | Tracking control unit in information reader |
DE3017280C2 (de) * | 1979-05-09 | 1986-02-20 | Victor Company Of Japan, Ltd., Yokohama, Kanagawa | Wiedergabevorrichtung in einem Gerät zur Wiedergabe von Signalen von einem rotierenden Aufzeichnungsträger |
FR2458126A1 (fr) * | 1979-05-31 | 1980-12-26 | Thomson Brandt | Systeme de commande de changement de face lue pour un lecteur optique de support d'information et lecteur optique comportant un tel systeme |
JPS5644164A (en) * | 1979-09-14 | 1981-04-23 | Matsushita Electric Ind Co Ltd | Information signal reproducing device |
JPS6045483B2 (ja) * | 1979-10-13 | 1985-10-09 | パイオニアビデオ株式会社 | 情報読取装置におけるトラッキングサ−ボ装置 |
JPS6048809B2 (ja) * | 1979-10-16 | 1985-10-29 | パイオニアビデオ株式会社 | 情報読取装置におけるトラッキングサ−ボ引込装置 |
JPS6331218Y2 (sv) * | 1979-11-08 | 1988-08-22 | ||
JPS56119942A (en) * | 1980-02-27 | 1981-09-19 | Fujitsu Ltd | Track access system optical disc device |
JPS56165957A (en) * | 1980-05-27 | 1981-12-19 | Victor Co Of Japan Ltd | Control pulse generator for reproducing converter feeding in rotating recording medium reproducing device |
NL8003305A (nl) * | 1980-06-06 | 1982-01-04 | Philips Nv | Inrichting voor het opzoeken van een gewenst informa- tiespoor. |
JPS6215864Y2 (sv) * | 1980-08-04 | 1987-04-22 | ||
JPS615624Y2 (sv) * | 1980-09-30 | 1986-02-20 | ||
JPS57147168A (en) * | 1981-03-05 | 1982-09-10 | Matsushita Electric Ind Co Ltd | Jumping scanner |
JPS57181432A (en) * | 1981-04-10 | 1982-11-08 | Olympus Optical Co Ltd | Optical type disc reproducer |
JPS57176544A (en) * | 1981-04-23 | 1982-10-29 | Olympus Optical Co Ltd | Still reproducing system for optical video disc reproducer |
JPS57186239A (en) * | 1981-05-11 | 1982-11-16 | Sony Corp | Disc reproducing device |
JPS5897138A (ja) * | 1981-12-04 | 1983-06-09 | Hitachi Ltd | 光スポットの位置検出方法及び光スポットの位置制御装置 |
US4504939A (en) * | 1981-12-10 | 1985-03-12 | Discovision Associates | Storage medium track pitch detector |
JPS58115638A (ja) * | 1981-12-28 | 1983-07-09 | Fujitsu Ltd | キツクバツク制御方式 |
DE3300951C2 (de) * | 1982-01-16 | 1994-10-27 | Sony Corp | Verfahren und Einrichtung zum schnellen Bewegen einer Abtasteinrichtung eines Informationssignal-Wiedergabegerätes |
DE3348470C2 (de) * | 1982-01-16 | 1997-12-18 | Sony Corp | Einrichtung zum schnellen Bewegen einer Abtasteinrichtung für ein Informationssignal-Wiedergabegerät |
US4489406A (en) * | 1982-02-17 | 1984-12-18 | Burroughs Corporation | Optical memory system having a short seek capability |
US4435797A (en) * | 1982-02-17 | 1984-03-06 | Burroughs Corporation | Optical memory system having track following and seeking capabilities |
US4432082A (en) * | 1982-02-17 | 1984-02-14 | Burroughs Corporation | Optical memory system having a long seek capability |
US4432083A (en) * | 1982-02-17 | 1984-02-14 | Burroughs Corporation | Optical memory system having track following |
JPS58143472A (ja) * | 1982-02-22 | 1983-08-26 | Hitachi Ltd | 記録情報再生装置のトラツキングサ−ボ制御装置 |
JPS58188340A (ja) * | 1982-04-28 | 1983-11-02 | Sony Corp | 光学式再生装置 |
JPS58200473A (ja) * | 1982-05-19 | 1983-11-22 | Pioneer Video Kk | 情報読取装置 |
JPS592240A (ja) * | 1982-06-25 | 1984-01-07 | Pioneer Electronic Corp | トラツキングサ−ボ装置 |
JPS5984379A (ja) * | 1982-11-08 | 1984-05-16 | Nec Corp | デイスク状記録担体のトラツクアクセス装置 |
JPS5997411A (ja) * | 1982-11-25 | 1984-06-05 | Sharp Corp | 気化式液体燃料燃焼装置 |
NL8303029A (nl) * | 1983-08-31 | 1985-03-18 | Philips Nv | Inrichting voor het uitlezen van een schijfvormige optische registratiedrager. |
JPS60143442A (ja) * | 1983-12-28 | 1985-07-29 | Olympus Optical Co Ltd | トラツキング方式 |
JPS6273430A (ja) * | 1985-09-26 | 1987-04-04 | Canon Inc | 光情報記録再生装置 |
US4768180A (en) * | 1986-03-17 | 1988-08-30 | Laser Magnetic Storage International Company | Multistage tracking system |
JPS62269483A (ja) * | 1986-05-16 | 1987-11-21 | Canon Inc | 映像信号再生装置 |
JPH073731B2 (ja) * | 1987-04-28 | 1995-01-18 | シャープ株式会社 | 光ディスク装置におけるトラックジャンプ制御方法 |
JPH0748257B2 (ja) * | 1987-05-07 | 1995-05-24 | 富士通株式会社 | 光ディスク装置のマルチトラックジャンプ回路 |
US4779251A (en) * | 1987-06-12 | 1988-10-18 | Optimem | Optical disk memory system with closed loop micro-jump between adjacent tracks |
JPS643826A (en) * | 1987-06-25 | 1989-01-09 | Mitsubishi Electric Corp | Optical disk device |
JPH01217732A (ja) * | 1988-02-24 | 1989-08-31 | Canon Inc | 光学的情報記録再生装置 |
JPH0654543B2 (ja) * | 1988-07-22 | 1994-07-20 | シャープ株式会社 | 光ピックアップのトラックジャンプ装置 |
JPS6446385A (en) * | 1988-08-01 | 1989-02-20 | Pioneer Electronic Corp | Tracking controller in information reader |
JPH02103790A (ja) * | 1988-10-11 | 1990-04-16 | Pioneer Electron Corp | トラッキングサーボ装置 |
JP2615488B2 (ja) * | 1989-02-07 | 1997-05-28 | 松下電器産業株式会社 | 光学式記録再生装置のトラッキング制御装置 |
EP0507907B1 (en) * | 1990-09-18 | 1999-01-13 | Rodime PLC | Digital servo control system for use in disk drives |
JP2586206B2 (ja) * | 1990-11-09 | 1997-02-26 | 三菱電機株式会社 | ディスク駆動装置 |
JP2570915B2 (ja) * | 1991-04-12 | 1997-01-16 | 株式会社日立製作所 | 光スポット制御方法 |
JPH05298809A (ja) * | 1992-04-16 | 1993-11-12 | Sony Corp | 光ディスク装置 |
KR0135787B1 (ko) * | 1995-05-13 | 1998-05-15 | 김광호 | 씨디-롬 드라이브에서의 디스크 캘리브레인션 방법 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL173343C (nl) * | 1972-03-29 | 1984-01-02 | Philips Nv | Inrichting voor het uitlezen van een schijfvormige registratiedrager met in optische vorm gecodeerde beeld-en/of geluidssignalen. |
NL160138C (nl) * | 1972-05-11 | 1979-09-17 | Philips Nv | Inrichting voor het uitlezen van een vlakke registratie- drager. |
US3911211A (en) * | 1974-04-17 | 1975-10-07 | Zenith Radio Corp | Stop frame for optical playback system |
-
1975
- 1975-08-21 NL NL7509906A patent/NL7509906A/xx not_active Application Discontinuation
- 1975-11-04 US US05/628,594 patent/US4057832A/en not_active Expired - Lifetime
-
1976
- 1976-08-02 ZA ZA00764641A patent/ZA764641B/xx unknown
- 1976-08-07 DE DE2635689A patent/DE2635689C2/de not_active Expired
- 1976-08-11 CA CA258,896A patent/CA1086858A/en not_active Expired
- 1976-08-13 AR AR264334A patent/AR212969A1/es active
- 1976-08-18 NO NO762851A patent/NO762851L/no unknown
- 1976-08-18 IT IT69046/76A patent/IT1071195B/it active
- 1976-08-18 AT AT613476A patent/AT351818B/de not_active IP Right Cessation
- 1976-08-18 NZ NZ181796A patent/NZ181796A/xx unknown
- 1976-08-18 AU AU16921/76A patent/AU500259B2/en not_active Expired
- 1976-08-18 DK DK372676A patent/DK372676A/da unknown
- 1976-08-18 BR BR7605419A patent/BR7605419A/pt unknown
- 1976-08-18 CH CH1051676A patent/CH607510A5/xx not_active IP Right Cessation
- 1976-08-18 SE SE7609171A patent/SE406658B/sv not_active IP Right Cessation
- 1976-08-18 SE SE7609171D patent/SE7609171L/sv not_active Application Discontinuation
- 1976-08-18 GB GB34404/76A patent/GB1553294A/en not_active Expired
- 1976-08-19 ES ES450801A patent/ES450801A1/es not_active Expired
- 1976-08-19 BE BE169941A patent/BE845349A/xx not_active IP Right Cessation
- 1976-08-20 FR FR7625284A patent/FR2321808A1/fr active Granted
- 1976-08-20 JP JP51098851A patent/JPS5226802A/ja active Granted
-
1980
- 1980-03-06 HK HK89/80A patent/HK8980A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
BR7605419A (pt) | 1977-08-16 |
NZ181796A (en) | 1979-08-31 |
GB1553294A (en) | 1979-09-26 |
ES450801A1 (es) | 1977-08-16 |
FR2321808A1 (fr) | 1977-03-18 |
CA1086858A (en) | 1980-09-30 |
FR2321808B1 (sv) | 1982-05-14 |
ZA764641B (en) | 1978-03-29 |
JPS5226802A (en) | 1977-02-28 |
DK372676A (da) | 1977-02-22 |
AR212969A1 (es) | 1978-11-30 |
AU500259B2 (en) | 1979-05-17 |
DE2635689C2 (de) | 1982-10-21 |
AU1692176A (en) | 1978-02-23 |
BE845349A (fr) | 1977-02-21 |
NL7509906A (nl) | 1977-02-23 |
SE406658B (sv) | 1979-02-19 |
ATA613476A (de) | 1979-01-15 |
IT1071195B (it) | 1985-04-02 |
JPS571051B2 (sv) | 1982-01-09 |
HK8980A (en) | 1980-03-14 |
US4057832A (en) | 1977-11-08 |
SE7609171L (sv) | 1977-02-22 |
DE2635689A1 (de) | 1977-03-03 |
AT351818B (de) | 1979-08-10 |
CH607510A5 (sv) | 1978-12-29 |
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