SE444872B - Uppteckningsberarkropp och uppteckningsberare for optiskt inskrivningsbar och avlesningsbar information och med ett optiskt detekterbart servospar samt apparater for informationsinskrivning i uppteckningsberarkroppen oc - Google Patents
Uppteckningsberarkropp och uppteckningsberare for optiskt inskrivningsbar och avlesningsbar information och med ett optiskt detekterbart servospar samt apparater for informationsinskrivning i uppteckningsberarkroppen ocInfo
- Publication number
- SE444872B SE444872B SE7902223A SE7902223A SE444872B SE 444872 B SE444872 B SE 444872B SE 7902223 A SE7902223 A SE 7902223A SE 7902223 A SE7902223 A SE 7902223A SE 444872 B SE444872 B SE 444872B
- Authority
- SE
- Sweden
- Prior art keywords
- servo
- information
- track
- record carrier
- writing
- Prior art date
Links
Classifications
-
- 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
- G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
- G11B7/2407—Tracks or pits; Shape, structure or physical properties thereof
- G11B7/24085—Pits
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
- G11B27/02—Editing, e.g. varying the order of information signals recorded on, or reproduced from, record carriers
- G11B27/022—Electronic editing of analogue information signals, e.g. audio or video signals
- G11B27/026—Electronic editing of analogue information signals, e.g. audio or video signals on discs
-
- 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
- G11B7/007—Arrangement of the information on the record carrier, e.g. form of tracks, actual track shape, e.g. wobbled, or cross-section, e.g. v-shaped; Sequential information structures, e.g. sectoring or header formats within a track
-
- 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
- G11B7/081—Disposition or mounting of heads or light sources relatively to record carriers for time base error correction by moving the light beam
-
- 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
- G11B7/0901—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 track following only
- G11B7/0903—Multi-beam tracking systems
-
- 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
- G11B7/0938—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 servo format, e.g. guide tracks, pilot signals
-
- 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
- G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
- G11B7/14—Heads, e.g. forming of the optical beam spot or modulation of the optical beam specially adapted to record on, or to reproduce from, more than one track simultaneously
-
- 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
- G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Optical Recording Or Reproduction (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL7802860A NL7802860A (nl) | 1978-03-16 | 1978-03-16 | Registratiedragerlichaam en registratiedrager voor optische informatie en inrichting voor het inschrijven en uitlezen. |
Publications (2)
Publication Number | Publication Date |
---|---|
SE7902223L SE7902223L (sv) | 1979-09-17 |
SE444872B true SE444872B (sv) | 1986-05-12 |
Family
ID=19830504
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE7902223A SE444872B (sv) | 1978-03-16 | 1979-03-13 | Uppteckningsberarkropp och uppteckningsberare for optiskt inskrivningsbar och avlesningsbar information och med ett optiskt detekterbart servospar samt apparater for informationsinskrivning i uppteckningsberarkroppen oc |
Country Status (11)
Country | Link |
---|---|
US (2) | US4870508A (el) |
JP (2) | JPS54130103A (el) |
BE (1) | BE874918A (el) |
CA (1) | CA1143473A (el) |
CH (1) | CH662666A5 (el) |
DE (1) | DE2909770C2 (el) |
FR (1) | FR2420183B1 (el) |
GB (1) | GB2016747B (el) |
IT (1) | IT1111723B (el) |
NL (1) | NL7802860A (el) |
SE (1) | SE444872B (el) |
Families Citing this family (53)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL7902542A (nl) * | 1979-04-02 | 1980-10-06 | Philips Nv | Optische registratie-inrichting met meerdere ablatieve registreerlagen. |
US4290122A (en) * | 1979-05-14 | 1981-09-15 | Xerox Corporation | Self-synchronizing clock source for optical memories |
JPS56117341A (en) * | 1980-02-18 | 1981-09-14 | Toshiba Corp | Optical disk and its manufacture |
JPS5730132A (en) * | 1980-07-29 | 1982-02-18 | Sharp Corp | Magnetooptical storage device |
FR2490858B1 (fr) * | 1980-09-25 | 1986-04-04 | Rca Corp | Milieu d'enregistrement optique a sensibilite variable et disque contenant de l'information, realise a l'aide d'un tel milieu |
US4467467A (en) * | 1980-10-20 | 1984-08-21 | Discovision Associates | Video recorder-playback machine |
US4383311A (en) * | 1980-10-21 | 1983-05-10 | Rca Corporation | Optical recording medium and information record with indented overcoat |
JPS5774853A (en) * | 1980-10-23 | 1982-05-11 | Sharp Corp | Magnetic optical recording device |
JPS57120253A (en) * | 1981-01-14 | 1982-07-27 | Sharp Corp | Magnetooptical storage elemen |
JPS57158047A (en) * | 1981-03-24 | 1982-09-29 | Toshiba Corp | Optical information recording medium |
FR2504301A1 (fr) * | 1981-04-15 | 1982-10-22 | Thomson Csf | Support d'informations mobile et dispositif d'enregistrement-lecture comprenant un tel support |
FR2504765A1 (fr) * | 1981-04-27 | 1982-10-29 | Thomson Csf | Dispositif d'enregistrement-lecture comprenant un support mobile d'informations du type comportant une piste pregravee |
JPH0675297B2 (ja) * | 1981-08-28 | 1994-09-21 | 株式会社日立製作所 | 光学的情報記録再生装置 |
US4412743A (en) * | 1981-09-08 | 1983-11-01 | Discovision Associates | Off-axis light beam defect detector |
US4428075A (en) * | 1981-12-21 | 1984-01-24 | Burroughs Corporation | Methods of preformatting an optical disk |
US4428069A (en) * | 1981-12-21 | 1984-01-24 | Burroughs Corporation | Apparatus for preformatting an optical disk |
US4462095A (en) * | 1982-03-19 | 1984-07-24 | Magnetic Peripherals Inc. | Moving diffraction grating for an information track centering system for optical recording |
JPH0719377B2 (ja) * | 1982-11-01 | 1995-03-06 | スタッフ・テクノロジー・パートナーズ・トウー | 光ディスクのアクセス―トラッキング用微動―粗動サーボシステム |
US4562567A (en) * | 1982-11-12 | 1985-12-31 | North American Philips Corporation | Apparatus for controlling the write beam in an optical data recording system |
US4578788A (en) * | 1983-06-02 | 1986-03-25 | International Business Machines Corporation | High performance optical storage medium with separate mechanical servo tracks embedded within the medium |
US4703408A (en) * | 1983-11-28 | 1987-10-27 | Hitachi, Ltd. | Apparatus and record carrier for optically writing information |
JPS60137185A (ja) * | 1983-12-26 | 1985-07-20 | Sony Corp | カメラ |
US4598393A (en) * | 1984-04-06 | 1986-07-01 | Drexler Technology Corporation | Three-beam optical servo tracking system with two-track parallel readout |
JPS59218645A (ja) * | 1984-05-11 | 1984-12-08 | Hitachi Ltd | 光デイスク |
NL8500153A (nl) * | 1985-01-22 | 1986-08-18 | Philips Nv | Registratiedragerlichaam voorzien van een reliefstruktuur van optisch detekteerbare servospoorgedeelten en sektoradressen en inrichting voor het aanbrengen van deze struktuur. |
JP2565884B2 (ja) * | 1986-12-25 | 1996-12-18 | シャープ株式会社 | 磁気光学記憶素子 |
JPS62270039A (ja) * | 1987-04-03 | 1987-11-24 | Toshiba Corp | 光デイスクの製造方法 |
JPS62295235A (ja) * | 1987-05-13 | 1987-12-22 | Hitachi Ltd | 光ディスク |
JPS62295238A (ja) * | 1987-05-20 | 1987-12-22 | Sharp Corp | 磁気光学記憶素子 |
JPS63306535A (ja) * | 1987-06-05 | 1988-12-14 | Sharp Corp | 光学的記録再生装置 |
JP2643159B2 (ja) * | 1987-07-31 | 1997-08-20 | ソニー株式会社 | 光学的記録方法 |
JPH01277327A (ja) * | 1988-04-28 | 1989-11-07 | Toshiba Corp | 光学式記録媒体及び光学式情報記録装置 |
JPH02292744A (ja) * | 1989-05-02 | 1990-12-04 | Teac Corp | 光ディスク及び光ディスク装置 |
US5268887A (en) * | 1990-05-15 | 1993-12-07 | Kabushiki Kaisha Toshiba | Optical recording medium having offset-compensating areas |
JPH0478034A (ja) * | 1990-05-15 | 1992-03-12 | Toshiba Corp | 光情報記録媒体及び光情報記録再生装置 |
JP3507956B2 (ja) * | 1993-10-13 | 2004-03-15 | 株式会社日立製作所 | 光ディスク |
US5491678A (en) * | 1990-05-25 | 1996-02-13 | Hitachi, Ltd. | Method and apparatus for recording/reproducing information data in a two-dimensional format |
US5835469A (en) * | 1990-05-25 | 1998-11-10 | Hitachi, Ltd. | High-density information recording/reproducing method |
US5461602A (en) * | 1990-09-14 | 1995-10-24 | Matsushita Electric Industrial Co., Ltd. | Optical recording and reproducing method and apparatus using light beams of two different wavelenghts |
JP3273444B2 (ja) * | 1992-09-21 | 2002-04-08 | 株式会社ニコン | 書込み可能な光ディスク |
CN1124595C (zh) * | 1994-03-25 | 2003-10-15 | 株式会社日立制作所 | 高密度信息记录再生方法 |
EA002403B1 (ru) * | 1997-02-28 | 2002-04-25 | Бурштейн Текнолоджис, Инк. | Лаборатория на диске |
US7088650B1 (en) * | 1999-08-23 | 2006-08-08 | Worthington Mark O | Methods and apparatus for optical disc data acquisition using physical synchronization markers |
US6937323B2 (en) * | 2000-11-08 | 2005-08-30 | Burstein Technologies, Inc. | Interactive system for analyzing biological samples and processing related information and the use thereof |
AU2002239553A1 (en) * | 2000-12-08 | 2002-06-18 | Burstein Technologies, Inc. | Methods for detecting analytes using optical discs and optical disc readers |
US6760298B2 (en) * | 2000-12-08 | 2004-07-06 | Nagaoka & Co., Ltd. | Multiple data layer optical discs for detecting analytes |
US6706415B2 (en) * | 2000-12-28 | 2004-03-16 | Copeland Corporation | Marine coating |
KR20020086670A (ko) * | 2001-01-24 | 2002-11-18 | 코닌클리케 필립스 일렉트로닉스 엔.브이. | 판독 및/또는 기록 헤드용 위치 제어 |
WO2004010099A2 (en) * | 2001-05-16 | 2004-01-29 | Burstein Technologies, Inc. | Variable sampling for rendering pixelization of analysis results in optical bio-disc assembly |
EP1470551A2 (en) * | 2002-01-28 | 2004-10-27 | Burstein Technologies, Inc. | Methods and apparatus for logical triggering |
CA2471017A1 (en) | 2002-01-31 | 2003-08-07 | Burstein Technologies, Inc. | Method for triggering through disc grooves and related optical analysis discs and system |
JP4162518B2 (ja) * | 2003-03-17 | 2008-10-08 | Tdk株式会社 | ホログラム記録再生方法及びホログラム記録媒体 |
JP3924549B2 (ja) * | 2003-04-23 | 2007-06-06 | Tdk株式会社 | ホログラム記録再生方法及び装置 |
Family Cites Families (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1183948B (de) * | 1961-01-12 | 1964-12-23 | Telefunken Patent | Speicher, insbesondere Mikrospeicher fuer Informationen |
US3307157A (en) * | 1964-01-02 | 1967-02-28 | Xerox Corp | Light scan recording and readout |
US3337718A (en) * | 1964-01-02 | 1967-08-22 | Xerox Corp | Light scan recording and readout |
US3365706A (en) * | 1964-04-15 | 1968-01-23 | Gilbert W. King | Photo-optical data storage and retrieval system employing error detection and error location identification components |
US3454777A (en) * | 1964-05-14 | 1969-07-08 | Sequential Electronic Systems | Measurement of object displacements and velocities |
US3438050A (en) * | 1965-01-06 | 1969-04-08 | Itek Corp | Laser data recorder |
US3510658A (en) * | 1967-11-06 | 1970-05-05 | Ibm | Light beam servoing system with memory element having wavelength-discrimi-nating guide and data tracks |
FR2019358A1 (el) * | 1968-08-21 | 1970-07-03 | Optical Devices Cy | |
GB1302370A (el) * | 1969-12-22 | 1973-01-10 | ||
US3781479A (en) * | 1970-01-26 | 1973-12-25 | Lahr J | Method and apparatus for transmitting time compressed audio information |
US3673412A (en) * | 1970-03-02 | 1972-06-27 | Trw Inc | Radiant energy beam scanning method and apparatus |
US3636526A (en) * | 1970-06-08 | 1972-01-18 | Energy Conversion Devices Inc | Information-recording system employing amorphous materials |
DE2048431B2 (de) * | 1970-08-05 | 1974-01-10 | Ted Bildplatten Ag Aeg-Telefunkenteldec, Zug (Schweiz) | Verfahren zum Aufzeichnen von Informationen, vorzugsweise von solchen großer Bandbreite im Bereich von mehreren MHz, auf einem Träger |
NL174591C (nl) * | 1973-02-09 | 1984-07-02 | Philips Nv | Schijfvormig registratiedragerlichaam. |
NL7301932A (el) * | 1973-02-12 | 1974-08-14 | ||
CA1013854A (en) * | 1973-02-20 | 1977-07-12 | John S. Winslow | Videodisc mastering system |
JPS5841710B2 (ja) * | 1973-03-16 | 1983-09-13 | ソニー株式会社 | ジヨウホウシンゴウキロクホウホウ |
JPS5842526B2 (ja) * | 1973-05-25 | 1983-09-20 | キヤノン株式会社 | キロクタンタイ |
US4084185A (en) * | 1974-02-12 | 1978-04-11 | U.S. Philips Corporation | Record carrier on which information is stored in an optically readable structure |
DE2522405C2 (de) * | 1975-05-21 | 1982-04-15 | Philips Patentverwaltung Gmbh, 2000 Hamburg | Optisches Mehrkanal-Plattenspeichersystem zum Speichern von digitaler Information |
DE2608715C2 (de) * | 1976-03-03 | 1984-03-15 | Philips Patentverwaltung Gmbh, 2000 Hamburg | Optisches System zum Speichern und Wiedergewinnen digitaler Daten |
GB1585546A (en) * | 1976-04-08 | 1981-03-04 | Victor Company Of Japan | Information signal recording system |
DE2615838C2 (de) * | 1976-04-10 | 1985-02-07 | Philips Patentverwaltung Gmbh, 2000 Hamburg | Vorrichtung zur Positionsregelung eines Schreib-Lesekopfes für Datenträger mit einer Magnetspeicherschicht |
US4176377A (en) * | 1977-11-10 | 1979-11-27 | Eastman Kodak Company | Video disc configuration |
NL187413C (nl) * | 1978-03-16 | 1991-09-16 | Philips Nv | Registratiedragerlichaam, ingeschreven registratiedrager, werkwijze voor het inschrijven van het registratiedragerlichaam en inrichting voor het uitvoeren van de werkwijze en voor het uitlezen van een ingeschreven registratiedrager. |
-
1978
- 1978-03-16 NL NL7802860A patent/NL7802860A/xx not_active Application Discontinuation
-
1979
- 1979-03-12 CA CA000323251A patent/CA1143473A/en not_active Expired
- 1979-03-13 DE DE2909770A patent/DE2909770C2/de not_active Expired
- 1979-03-13 CH CH2382/79A patent/CH662666A5/de not_active IP Right Cessation
- 1979-03-13 SE SE7902223A patent/SE444872B/sv not_active IP Right Cessation
- 1979-03-13 GB GB7908770A patent/GB2016747B/en not_active Expired
- 1979-03-13 IT IT20945/79A patent/IT1111723B/it active
- 1979-03-16 BE BE0/194083A patent/BE874918A/xx not_active IP Right Cessation
- 1979-03-16 JP JP3166179A patent/JPS54130103A/ja active Granted
- 1979-03-16 FR FR7906753A patent/FR2420183B1/fr not_active Expired
-
1980
- 1980-03-18 US US07/131,316 patent/US4870508A/en not_active Expired - Lifetime
-
1986
- 1986-08-15 JP JP61191575A patent/JPS6251043A/ja active Granted
-
1989
- 1989-03-02 US US07/318,029 patent/US4972403A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
GB2016747A (en) | 1979-09-26 |
DE2909770C2 (de) | 1987-05-07 |
US4972403A (en) | 1990-11-20 |
JPH0381209B2 (el) | 1991-12-27 |
JPS54130103A (en) | 1979-10-09 |
FR2420183A1 (fr) | 1979-10-12 |
US4870508A (en) | 1989-09-26 |
BE874918A (fr) | 1979-09-17 |
NL7802860A (nl) | 1979-09-18 |
FR2420183B1 (fr) | 1988-04-29 |
SE7902223L (sv) | 1979-09-17 |
GB2016747B (en) | 1982-09-08 |
IT7920945A0 (it) | 1979-03-13 |
DE2909770A1 (de) | 1979-09-20 |
IT1111723B (it) | 1986-01-13 |
JPS6251043A (ja) | 1987-03-05 |
CH662666A5 (de) | 1987-10-15 |
CA1143473A (en) | 1983-03-22 |
JPS6259373B2 (el) | 1987-12-10 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
SE444872B (sv) | Uppteckningsberarkropp och uppteckningsberare for optiskt inskrivningsbar och avlesningsbar information och med ett optiskt detekterbart servospar samt apparater for informationsinskrivning i uppteckningsberarkroppen oc | |
JPH0810845Y2 (ja) | 光学記録装置 | |
SE455350B (sv) | Uppteckningsberarkroppp for optisk inskrivning av information | |
US4989193A (en) | Optical arrangement and a reading apparatus | |
SE445960B (sv) | Uppteckningsberare innehallande information i en optiskt lesbar informationsstruktur samt apparat for avlesning av uppteckningsberaren | |
JPH0721562A (ja) | 電気情報信号を記録する装置 | |
JP3130992B2 (ja) | 記録再生方法、装置、並びにシステム | |
JP2000149331A (ja) | 光記録媒体、光記録媒体製造用原盤及び光記録再生装置 | |
US7701836B2 (en) | Re-writable optical disk having reference clock information permanently formed on the disk | |
EP0982716B1 (en) | Optical recording medium and master to produce it | |
JPS6157084A (ja) | トラツキング・サ−ボ方法 | |
JP3022660B2 (ja) | 光学式記録再生装置 | |
JPS5885936A (ja) | 光学的情報記録再生装置 | |
JPS63112837A (ja) | 光デイスク媒体及び光デイスク装置 | |
JP2001319378A (ja) | 光記録媒体、光記録媒体製造用原盤及び光記録再生装置 | |
JPS63273221A (ja) | 情報処理装置 | |
JP2003141759A (ja) | 光ディスク原盤露光方法および原盤露光装置 | |
JPH04123335A (ja) | 集光ビームのビーム形状測定方法 | |
JPS6224859B2 (el) | ||
JP2005004859A (ja) | 光ディスク及び光ディスクの傾き補正方法 | |
JPH0453034A (ja) | レーザ光軸制御装置 | |
JPH04364241A (ja) | 光ディスク情報記録装置 | |
JPH076383A (ja) | 光ディスクとフォーカスずれ検出方法および装置 | |
SE419682B (sv) | Informationslagringselement | |
JPH02183435A (ja) | フォーカスエラー検出装置 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
NUG | Patent has lapsed |
Ref document number: 7902223-2 Effective date: 19911009 Format of ref document f/p: F |