NL191695C - Schijfgeheugeninrichting. - Google Patents
Schijfgeheugeninrichting. Download PDFInfo
- Publication number
- NL191695C NL191695C NL8303280A NL8303280A NL191695C NL 191695 C NL191695 C NL 191695C NL 8303280 A NL8303280 A NL 8303280A NL 8303280 A NL8303280 A NL 8303280A NL 191695 C NL191695 C NL 191695C
- Authority
- NL
- Netherlands
- Prior art keywords
- signal
- motor
- rotational speed
- circuit
- phase
- Prior art date
Links
- 238000001514 detection method Methods 0.000 claims description 3
- 230000003287 optical effect Effects 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
- G11B19/20—Driving; Starting; Stopping; Control thereof
- G11B19/24—Arrangements for providing constant relative speed between record carrier and head
Landscapes
- Rotational Drive Of Disk (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP57168019A JPS5956262A (ja) | 1982-09-27 | 1982-09-27 | デイスク装置 |
JP16801982 | 1982-09-27 |
Publications (3)
Publication Number | Publication Date |
---|---|
NL8303280A NL8303280A (nl) | 1984-04-16 |
NL191695B NL191695B (nl) | 1995-11-01 |
NL191695C true NL191695C (nl) | 1997-11-18 |
Family
ID=15860293
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL8303280A NL191695C (nl) | 1982-09-27 | 1983-09-26 | Schijfgeheugeninrichting. |
Country Status (4)
Country | Link |
---|---|
US (1) | US4530083A (ja) |
JP (1) | JPS5956262A (ja) |
DE (1) | DE3334900C2 (ja) |
NL (1) | NL191695C (ja) |
Families Citing this family (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59185071A (ja) * | 1983-04-04 | 1984-10-20 | Hitachi Ltd | 情報記録デイスクの再生速度制御装置 |
JPH0812743B2 (ja) * | 1983-06-30 | 1996-02-07 | 株式会社東芝 | ディスク装置 |
JPS6070563A (ja) * | 1983-09-27 | 1985-04-22 | Toshiba Corp | 高密度螺旋描画装置 |
JPS60177404A (ja) * | 1984-02-23 | 1985-09-11 | Toshiba Corp | デイスク装置 |
JPS6196583A (ja) * | 1984-10-17 | 1986-05-15 | Sony Corp | ディスク記録再生装置 |
US5228020A (en) * | 1985-01-31 | 1993-07-13 | Matsushita Electric Industrial Co., Ltd. | System for detecting rotational deviation of a rotary recording medium and an apparatus for reproducing a signal from the recording medium |
US4691310A (en) * | 1985-08-09 | 1987-09-01 | Rca Corporation | Compact disk read only memory recording system with speed control |
JPH0734288B2 (ja) * | 1986-09-24 | 1995-04-12 | 株式会社日立製作所 | デイスク回転駆動装置 |
JPS63127463A (ja) * | 1986-11-14 | 1988-05-31 | Pioneer Electronic Corp | デイスク再生装置におけるサ−チ方式 |
JPS63157859U (ja) * | 1987-04-03 | 1988-10-17 | ||
JPH0714538Y2 (ja) * | 1989-01-12 | 1995-04-10 | ニチハ株式会社 | 建築用板及び施工構造 |
GB8906353D0 (en) * | 1989-03-20 | 1989-05-04 | Dewar Productions Inc | Semi-timing optic lathe |
CA2022192C (en) * | 1989-08-04 | 1995-03-21 | Shigemi Maeda | Optical disk recording/reproducing device |
KR920006926A (ko) * | 1990-09-29 | 1992-04-28 | 정용문 | 광디스크 구동장치의 트랙편심 보정 방법 및 그 장치 |
KR930005792B1 (ko) * | 1991-03-21 | 1993-06-24 | 주식회사 금성사 | 콤팩트디스크 응용기기의 스핀들모터 콘트롤장치 및 그 방법 |
US5583841A (en) * | 1995-01-17 | 1996-12-10 | Discovision Associates | Apparatus for improved search on information storage member rotating at constant linear velocity |
US5764609A (en) * | 1995-01-19 | 1998-06-09 | Matsushita Electric Industrial Co., Ltd. | Disk data reproducing method and apparatus for reading data at arbitrary speed |
US5978329A (en) * | 1995-06-07 | 1999-11-02 | Discovision Associates | Technique for closed loop servo operation in optical disc tracking control |
JP3403283B2 (ja) * | 1995-11-24 | 2003-05-06 | ミネベア株式会社 | 情報記憶装置 |
CN1077715C (zh) * | 1995-12-06 | 2002-01-09 | 迪维安公司 | 聚焦控制的装置和方法 |
US6009056A (en) * | 1996-01-16 | 1999-12-28 | Matsushita Electric Industrial Co., Ltd. | Optical disc data reproducing method and optical disk driver |
JPH09204731A (ja) * | 1996-01-24 | 1997-08-05 | Sony Corp | ディスク再生装置 |
US5689485A (en) * | 1996-04-01 | 1997-11-18 | Discovision Associates | Tracking control apparatus and method |
US5870363A (en) * | 1996-10-25 | 1999-02-09 | Oak Technology, Inc. | Optical disk motor servo and method for closed loop speed control |
US8077569B2 (en) * | 2008-05-05 | 2011-12-13 | Mediatek Inc. | Methods and devices for controlling access to an optical disc |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4190860A (en) * | 1978-11-16 | 1980-02-26 | Mca Discovision, Inc. | Digital method and apparatus for rotating an information storage disc |
JPS55125577A (en) * | 1979-03-20 | 1980-09-27 | Ricoh Co Ltd | Memory control system |
US4361880A (en) * | 1979-06-05 | 1982-11-30 | Victor Company Of Japan, Limited | Programmable automatic record player |
JPS5616964A (en) * | 1979-07-21 | 1981-02-18 | Victor Co Of Japan Ltd | Record player correctable for wow and flutter due to eccentricity |
JPS5625264A (en) * | 1979-08-06 | 1981-03-11 | Victor Co Of Japan Ltd | Rotation contrl system for driving motor of recorder for equal line speed information recording medium disk |
US4450552A (en) * | 1982-03-31 | 1984-05-22 | Rca Corporation | Linear velocity control means |
-
1982
- 1982-09-27 JP JP57168019A patent/JPS5956262A/ja active Granted
-
1983
- 1983-09-22 US US06/534,695 patent/US4530083A/en not_active Expired - Lifetime
- 1983-09-26 NL NL8303280A patent/NL191695C/nl not_active IP Right Cessation
- 1983-09-27 DE DE3334900A patent/DE3334900C2/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS5956262A (ja) | 1984-03-31 |
NL8303280A (nl) | 1984-04-16 |
DE3334900C2 (de) | 1985-04-11 |
DE3334900A1 (de) | 1984-03-29 |
JPH0430103B2 (ja) | 1992-05-20 |
US4530083A (en) | 1985-07-16 |
NL191695B (nl) | 1995-11-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
A1A | A request for search or an international-type search has been filed | ||
A85 | Still pending on 85-01-01 | ||
BB | A search report has been drawn up | ||
BC | A request for examination has been filed | ||
R1B | Notice of opposition during period of laying open |
Free format text: PHILIPS ELECTRONICS N.V. TE EINDHOVEN. |
|
NP1G | Patent granted (not automatically) [patent specification modified] | ||
V4 | Discontinued because of reaching the maximum lifetime of a patent |
Effective date: 20030926 |