NL182258C - Inrichting voor het uitlezen van een vlakke registratiedrager met een optisch uitleesbare informatiestructuur. - Google Patents

Inrichting voor het uitlezen van een vlakke registratiedrager met een optisch uitleesbare informatiestructuur.

Info

Publication number
NL182258C
NL182258C NLAANVRAGE7600842,A NL7600842A NL182258C NL 182258 C NL182258 C NL 182258C NL 7600842 A NL7600842 A NL 7600842A NL 182258 C NL182258 C NL 182258C
Authority
NL
Netherlands
Prior art keywords
reading
record carrier
readable information
information structure
optically readable
Prior art date
Application number
NLAANVRAGE7600842,A
Other languages
English (en)
Other versions
NL182258B (nl
NL7600842A (nl
Inventor
Josephus Johannes Maria Braat
Original Assignee
Philips Nv
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Philips Nv filed Critical Philips Nv
Priority to NLAANVRAGE7600842,A priority Critical patent/NL182258C/nl
Priority to US05/669,639 priority patent/US4057833A/en
Priority to ZA00770011A priority patent/ZA7711B/xx
Priority to DE2701539A priority patent/DE2701539C2/de
Priority to MX167802A priority patent/MX143161A/es
Priority to SE7700725D priority patent/SE7700725L/xx
Priority to IT19598/77A priority patent/IT1074335B/it
Priority to PL1977195541A priority patent/PL107679B1/pl
Priority to SE7700725A priority patent/SE408238B/xx
Priority to GB2943/77A priority patent/GB1534381A/en
Priority to DK30777A priority patent/DK146106C/da
Priority to AU21616/77A priority patent/AU505466B2/en
Priority to BR7700452A priority patent/BR7700452A/pt
Priority to CH89377A priority patent/CH613797A5/xx
Priority to NO770240A priority patent/NO149188C/no
Priority to NZ183152A priority patent/NZ183152A/xx
Priority to AT46077A priority patent/AT349231B/de
Priority to ES455360A priority patent/ES455360A1/es
Priority to CA270,465A priority patent/CA1094684A/en
Priority to JP686777A priority patent/JPS5293222A/ja
Priority to BE174406A priority patent/BE850781A/xx
Priority to AR266331A priority patent/AR211720A1/es
Priority to FR7702258A priority patent/FR2339928A1/fr
Publication of NL7600842A publication Critical patent/NL7600842A/nl
Publication of NL182258B publication Critical patent/NL182258B/nl
Application granted granted Critical
Publication of NL182258C publication Critical patent/NL182258C/nl

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
    • G11B7/08—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
    • G11B7/0906—Differential phase difference systems
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B11/00—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor
    • G11B11/10—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field
    • G11B11/105—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field using a beam of light or a magnetic field for recording by change of magnetisation and a beam of light for reproducing, i.e. magneto-optical, e.g. light-induced thermomagnetic recording, spin magnetisation recording, Kerr or Faraday effect reproducing
    • G11B11/10502—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field using a beam of light or a magnetic field for recording by change of magnetisation and a beam of light for reproducing, i.e. magneto-optical, e.g. light-induced thermomagnetic recording, spin magnetisation recording, Kerr or Faraday effect reproducing characterised by the transducing operation to be executed
    • G11B11/1053—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field using a beam of light or a magnetic field for recording by change of magnetisation and a beam of light for reproducing, i.e. magneto-optical, e.g. light-induced thermomagnetic recording, spin magnetisation recording, Kerr or Faraday effect reproducing characterised by the transducing operation to be executed to compensate for the magnetic domain drift or time shift
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B11/00—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor
    • G11B11/10—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field
    • G11B11/105—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field using a beam of light or a magnetic field for recording by change of magnetisation and a beam of light for reproducing, i.e. magneto-optical, e.g. light-induced thermomagnetic recording, spin magnetisation recording, Kerr or Faraday effect reproducing
    • G11B11/10532—Heads
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B11/00—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor
    • G11B11/10—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field
    • G11B11/105—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field using a beam of light or a magnetic field for recording by change of magnetisation and a beam of light for reproducing, i.e. magneto-optical, e.g. light-induced thermomagnetic recording, spin magnetisation recording, Kerr or Faraday effect reproducing
    • G11B11/1055—Disposition or mounting of transducers relative to record carriers
    • G11B11/10576—Disposition or mounting of transducers relative to record carriers with provision for moving the transducers for maintaining alignment or spacing relative to the carrier
    • 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
    • G11B7/0946—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 specially adapted for operation during external perturbations not related to the carrier or servo beam, e.g. vibration
    • 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
NLAANVRAGE7600842,A 1974-10-03 1976-01-28 Inrichting voor het uitlezen van een vlakke registratiedrager met een optisch uitleesbare informatiestructuur. NL182258C (nl)

Priority Applications (23)

Application Number Priority Date Filing Date Title
NLAANVRAGE7600842,A NL182258C (nl) 1976-01-28 1976-01-28 Inrichting voor het uitlezen van een vlakke registratiedrager met een optisch uitleesbare informatiestructuur.
US05/669,639 US4057833A (en) 1974-10-03 1976-03-23 Centering detection system for an apparatus for playing optically readable record carriers
ZA00770011A ZA7711B (en) 1976-01-28 1977-01-03 Apparatus for reading a record carrier with an optically readable information structure
DE2701539A DE2701539C2 (de) 1976-01-28 1977-01-15 Vorrichtung zum Auslesen eines Aufzeichnungsträgers mit einer optisch auslesbaren Informationsstruktur
MX167802A MX143161A (es) 1976-01-28 1977-01-24 Mejoras en aparato para leer und portador de grabacion en el cual se memoriza la informacion
CH89377A CH613797A5 (en) 1976-01-28 1977-01-25 Device for reading out from a recording carrier having an optically readable information structure
PL1977195541A PL107679B1 (pl) 1976-01-28 1977-01-25 Urzadzenie do odczytu nosnika zapisu z optycznie odczytywalna struktura informacyjna
SE7700725A SE408238B (sv) 1976-01-28 1977-01-25 Apparat foer avlaesning av en uppteckningsbaerare med en optiskt laesbar informationsstruktur innefattande bl a centreringsdetekteringssystem
GB2943/77A GB1534381A (en) 1976-01-28 1977-01-25 Apparatus for reading a record carrier with an optically readable information structure
DK30777A DK146106C (da) 1976-01-28 1977-01-25 Apparat med et centreringsdetektorsystem til aflaesning med en optisk aflaeselig informationsstruktur
AU21616/77A AU505466B2 (en) 1976-01-28 1977-01-25 Centring system inan apparatus for optically reading a record carrier
BR7700452A BR7700452A (pt) 1976-01-28 1977-01-25 Aparelho para ler uma portadora de registro
SE7700725D SE7700725L (sv) 1976-01-28 1977-01-25 Apparat for avlesning av en uppteckningsberare med en optiskt lesbar informationsstruktur
NO770240A NO149188C (no) 1976-01-28 1977-01-25 Apparat for avlesning av en opptegningsbaerer med optisk avlesbar informasjonsstruktur
NZ183152A NZ183152A (en) 1976-01-28 1977-01-25 Multiple detectors used to centre read beam on track of optically readable information structure
IT19598/77A IT1074335B (it) 1976-01-28 1977-01-25 Apparecchiatura per la lettura di un supporto di registrazione con una struttura d'informazione atta ad essere letta otticamente
AT46077A AT349231B (de) 1976-01-28 1977-01-26 Vorrichtung zum auslesen eines aufzeichnungs- traegers mit einer optisch auslesbaren informationsstruktur
ES455360A ES455360A1 (es) 1976-01-28 1977-01-26 Aparato perfeccionado para leer un portador de registro en el cual esta almacenada informacion.
CA270,465A CA1094684A (en) 1976-01-28 1977-01-26 Apparatus for reading a record carrier with an optically readable information structure
JP686777A JPS5293222A (en) 1976-01-28 1977-01-26 Recording medium reader
BE174406A BE850781A (fr) 1976-01-28 1977-01-26 Dispositif pour la lecture d'un support d'enregistrement presentant une structure d'information lisible par voie optique
AR266331A AR211720A1 (es) 1976-01-28 1977-01-27 Aparato para leer un portador de grabacion
FR7702258A FR2339928A1 (fr) 1976-01-28 1977-01-27 Dispositif pour la lecture d'un porteur d'enregistrement presentant une structure d'information lisible par voie optique

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NLAANVRAGE7600842,A NL182258C (nl) 1976-01-28 1976-01-28 Inrichting voor het uitlezen van een vlakke registratiedrager met een optisch uitleesbare informatiestructuur.

Publications (3)

Publication Number Publication Date
NL7600842A NL7600842A (nl) 1977-08-01
NL182258B NL182258B (nl) 1987-09-01
NL182258C true NL182258C (nl) 1988-02-01

Family

ID=19825526

Family Applications (1)

Application Number Title Priority Date Filing Date
NLAANVRAGE7600842,A NL182258C (nl) 1974-10-03 1976-01-28 Inrichting voor het uitlezen van een vlakke registratiedrager met een optisch uitleesbare informatiestructuur.

Country Status (21)

Country Link
JP (1) JPS5293222A (nl)
AR (1) AR211720A1 (nl)
AT (1) AT349231B (nl)
AU (1) AU505466B2 (nl)
BE (1) BE850781A (nl)
BR (1) BR7700452A (nl)
CA (1) CA1094684A (nl)
CH (1) CH613797A5 (nl)
DE (1) DE2701539C2 (nl)
DK (1) DK146106C (nl)
ES (1) ES455360A1 (nl)
FR (1) FR2339928A1 (nl)
GB (1) GB1534381A (nl)
IT (1) IT1074335B (nl)
MX (1) MX143161A (nl)
NL (1) NL182258C (nl)
NO (1) NO149188C (nl)
NZ (1) NZ183152A (nl)
PL (1) PL107679B1 (nl)
SE (2) SE408238B (nl)
ZA (1) ZA7711B (nl)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6038771B2 (ja) * 1978-06-19 1985-09-03 パイオニア株式会社 光学式情報読取装置のサ−ボ装置
JPS573236A (en) * 1980-06-10 1982-01-08 Olympus Optical Co Ltd Optical information reader
JPS57111837A (en) * 1980-12-27 1982-07-12 Olympus Optical Co Ltd Signal detecting system of optical information reader
JPS5891538A (ja) * 1981-11-25 1983-05-31 Hitachi Ltd 光デイスクトラツク追跡装置
NL8204555A (nl) * 1981-11-25 1983-06-16 Hitachi Ltd Inrichting voor het registreren en weergeven van informatie.
NL8105347A (nl) * 1981-11-26 1983-06-16 Philips Nv Inrichting voor het optisch aftasten van een schijfvormige registratiedrager.
NL8105346A (nl) * 1981-11-26 1983-06-16
JPS58125242A (ja) * 1982-01-22 1983-07-26 Victor Co Of Japan Ltd 光学的情報信号再生装置のトラツキング誤差検出方式
JPS58150145A (ja) * 1982-03-03 1983-09-06 Toshiba Corp 光学式デジタルデイスクプレ−ヤのトラツキング制御回路
JPS58208944A (ja) * 1982-05-31 1983-12-05 Sony Corp 光学ヘツド制御信号発生装置
JPS5922242A (ja) * 1982-07-26 1984-02-04 Foster Denki Kk 情報再生装置における光学系制御信号検出回路
JPS59110045A (ja) * 1982-12-13 1984-06-25 Sanyo Electric Co Ltd 光学式ピツクアツプ装置
JPS59191144A (ja) * 1983-04-14 1984-10-30 Sony Corp 光ピツクアツプのトラツキングサ−ボ回路
JPS59198540A (ja) * 1983-04-26 1984-11-10 Asahi Optical Co Ltd 光学式デイスクプレ−ヤのトラツキングサ−ボ回路
US4740940A (en) * 1985-03-11 1988-04-26 Matsushita Electric Industrial Co., Ltd. Optical information read apparatus
JPS61248237A (ja) * 1985-04-25 1986-11-05 Sankyo Seiki Mfg Co Ltd トラツキング誤差信号検出方法
JP2796592B2 (ja) * 1985-10-17 1998-09-10 セイコーインスツルメンツ株式会社 トラツキングエラー信号発生回路
JP2824573B2 (ja) * 1985-11-08 1998-11-11 セイコーインスツルメンツ株式会社 トラツキングエラー信号発生回路
JP2906144B2 (ja) * 1986-04-09 1999-06-14 セイコーインスツルメンツ株式会社 光学ヘツド制御装置
US4958245A (en) * 1988-04-07 1990-09-18 Insite Peripherals, Inc. Apparatus and method for optical servo control with media having information storage and servo control regions of different reflectivities
EP0686968B1 (en) 1994-06-07 1999-01-07 Matsushita Electric Industrial Co., Ltd. Optical information recording medium, optical information recording method, and optical information reproducing apparatus using the same
TW364992B (en) * 1996-04-25 1999-07-21 Toshiba Corp Optic data regeneration apparatus and control method thereof
DE19723542A1 (de) * 1997-06-05 1998-12-10 Thomson Brandt Gmbh Gerät zum Lesen und/oder Beschreiben optischer Aufzeichnungsträger
JP3544847B2 (ja) 1998-01-16 2004-07-21 三菱電機株式会社 光学的情報再生方法および装置
US7952966B2 (en) 2006-11-16 2011-05-31 Panasonic Corporation Tracking apparatus for optical information reproduction apparatus

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3381086A (en) * 1962-08-16 1968-04-30 Minnesota Mining & Mfg Reproduction of television signals from photographic disc recordings
FR2235354A1 (en) * 1973-06-29 1975-01-24 Thomson Csf Photoelectric optical test sensor - measures displacement of a diffraction screen with constant spacing in the test sensor plane

Also Published As

Publication number Publication date
DK30777A (da) 1977-07-29
AT349231B (de) 1979-03-26
DK146106C (da) 1983-11-21
ES455360A1 (es) 1978-01-01
GB1534381A (en) 1978-12-06
FR2339928A1 (fr) 1977-08-26
SE408238B (sv) 1979-05-21
SE7700725L (sv) 1977-07-29
MX143161A (es) 1981-03-26
CH613797A5 (en) 1979-10-15
JPS5630610B2 (nl) 1981-07-16
DE2701539C2 (de) 1981-11-12
ATA46077A (de) 1978-08-15
FR2339928B1 (nl) 1980-03-21
DE2701539A1 (de) 1977-08-04
NL182258B (nl) 1987-09-01
AU505466B2 (en) 1979-11-22
IT1074335B (it) 1985-04-20
DK146106B (da) 1983-06-27
AR211720A1 (es) 1978-02-28
NO149188B (no) 1983-11-21
NO149188C (no) 1984-02-29
NZ183152A (en) 1980-04-28
AU2161677A (en) 1978-08-03
JPS5293222A (en) 1977-08-05
CA1094684A (en) 1981-01-27
BE850781A (fr) 1977-07-26
ZA7711B (en) 1978-08-30
NO770240L (no) 1977-07-29
PL107679B1 (pl) 1980-02-29
NL7600842A (nl) 1977-08-01
BR7700452A (pt) 1977-10-04

Similar Documents

Publication Publication Date Title
NL177157C (nl) Inrichting voor het uitlezen van een vlakke registratiedrager met een optisch uitleesbare informatiestruktuur.
NL182258C (nl) Inrichting voor het uitlezen van een vlakke registratiedrager met een optisch uitleesbare informatiestructuur.
NL7803517A (nl) Registratiedrager met een optisch uitleesbare fase- struktuur en inrichting voor het uitlezen.
NL177258C (nl) Werkwijze voor het vervaardigen van een schijfvormige registratiedrager met een optisch uitleesbare informatiestructuur.
NL7416754A (nl) Inrichting voor het uitlezen van een vlakke reflekterende registratiedrager waarop in- formatie is aangebracht in een optisch uit- leesbare struktuur.
NL7713711A (nl) Optisch uitleeseenheid voor het uitlezen van een bewegende informatiedrager, in het bijzonder voor het uitlezen van een videoplaat.
NL183324C (nl) Inrichting voor het lezen van informatie op een dokument.
NL164685C (nl) Uitleesinrichting voor het aftasten van informatie op een informatiedrager.
NL187716C (nl) Inrichting voor het optisch lezen van informatie in sporen van een registratiemedium.
NL7703077A (nl) Inrichting voor het uitlezen van een stralings- reflekterende registratiedrager.
NL7414776A (nl) Inrichting voor het uitlezen van een registra- tiedrager met een optische informatiestruktuur.
NL7706584A (nl) Werkwijze voor het vervaardigen van een inschrijf- bare en optisch leesbare informatiedrager en aldus verkregen informatiedoager.
NL7402170A (nl) Inrichting voor het uitlezen van een registra- tiedrager waarop informatie is aangebracht in een optisch uitleesbare struktuur.
NL7413162A (nl) Inrichting voor het uitlezen van een schijf- vormige registratiedrager.
NL7705028A (nl) Inrichting voor het reproduceren van magnetisch geregistreerde informatie.
NL7401937A (nl) Inrichting voor het uitlezen van een registra- ager waarop informatie is aangebracht in ptisch uitleesbare struktuur.
NL7612070A (nl) Inrichting voor het uitlezen van informatie.
NL177259B (nl) Instelautomaatinrichting voor gebruik in een optisch informatieuitleesstelsel.
NL192811B (nl) Inrichting voor het elimineren van tijdbasisfouten in een informatiesignaal.
NL7402169A (nl) Inrichting voor het uitlezen van een registra- tiedrager waarop informatie is aangebracht in een optisch uitleesbare struktuur.
NL7803200A (nl) Inrichting voor het registreren van informatie.
NL7510035A (nl) Registratiedrager met een optisch uitleesbare, langs sporen gerangschikte, informatiestruktuur en inrichting voor het uitlezen daarvan.
NL7705042A (nl) Inrichting voor het inpersen van een relief- patroon in een thermoplastische informatie- drager.
NL7706753A (nl) Inrichting voor het uitlezen van een optische stralingsreflekterende informatiedrager.
NL7703076A (nl) Inrichting voor het uitlezen van een stralings- reflekterende registratiedrager.

Legal Events

Date Code Title Description
BC A request for examination has been filed
A85 Still pending on 85-01-01
V1 Lapsed because of non-payment of the annual fee