[go: up one dir, main page]

DK124478A - DEVICE FOR READING A REGISTRATION CARRIER REFLECTING OPTICAL RADIATION - Google Patents

DEVICE FOR READING A REGISTRATION CARRIER REFLECTING OPTICAL RADIATION

Info

Publication number
DK124478A
DK124478A DK124478A DK124478A DK124478A DK 124478 A DK124478 A DK 124478A DK 124478 A DK124478 A DK 124478A DK 124478 A DK124478 A DK 124478A DK 124478 A DK124478 A DK 124478A
Authority
DK
Denmark
Prior art keywords
reading
optical radiation
reflecting optical
registration carrier
carrier reflecting
Prior art date
Application number
DK124478A
Other languages
Danish (da)
Inventor
P F Greve
W G Opheij
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
Priority claimed from NL7703123A external-priority patent/NL7703123A/en
Application filed by Philips Nv filed Critical Philips Nv
Publication of DK124478A publication Critical patent/DK124478A/en

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/08Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/09Disposition 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
    • G11B7/0908Disposition 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
    • G11B7/0917Focus-error methods other than those covered by G11B7/0909 - G11B7/0916
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/08Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/09Disposition 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
    • G11B7/0908Disposition 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
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/08Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/09Disposition 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
    • G11B7/0908Disposition 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
    • G11B7/0917Focus-error methods other than those covered by G11B7/0909 - G11B7/0916
    • G11B2007/0924Skewed beams methods (using an angled beam, i.e. a beam which is reflected from the disc at an angle different from 90°)
DK124478A 1977-03-23 1978-03-20 DEVICE FOR READING A REGISTRATION CARRIER REFLECTING OPTICAL RADIATION DK124478A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL7703123A NL7703123A (en) 1977-03-23 1977-03-23 DEVICE FOR READING AN OPTICAL RADIATION-REFLECTING REGISTRATION CARRIER.
NL7706753A NL7706753A (en) 1977-03-23 1977-06-20 DEVICE FOR READING AN OPTICAL RADIATION-REFLECTING INFORMATION CARRIER.

Publications (1)

Publication Number Publication Date
DK124478A true DK124478A (en) 1978-09-24

Family

ID=26645307

Family Applications (1)

Application Number Title Priority Date Filing Date
DK124478A DK124478A (en) 1977-03-23 1978-03-20 DEVICE FOR READING A REGISTRATION CARRIER REFLECTING OPTICAL RADIATION

Country Status (16)

Country Link
JP (1) JPS6028055B2 (en)
AR (1) AR217276A1 (en)
AT (1) AT371275B (en)
AU (1) AU516903B2 (en)
BE (1) BE865140A (en)
BR (1) BR7801692A (en)
CA (1) CA1116294A (en)
DD (1) DD135654A5 (en)
DE (1) DE2810566A1 (en)
DK (1) DK124478A (en)
ES (1) ES468083A1 (en)
FR (1) FR2385173A1 (en)
GB (1) GB1589035A (en)
IT (1) IT1093249B (en)
NL (1) NL7706753A (en)
SE (1) SE424677B (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7809635A (en) * 1978-09-22 1980-03-25 Philips Nv DEVICE FOR READING AN OPTICAL REGISTRATION CARRIER CONTAINING A RADIATION-REFLECTING INFORMATION STRUCTURE.
NL186353C (en) * 1979-06-12 1990-11-01 Philips Nv DEVICE FOR IMAGING A MASK PATTERN ON A SUBSTRATE EQUIPPED WITH AN OPTO-ELECTRONIC DETECTION SYSTEM FOR DETERMINING A DEROGATION BETWEEN THE IMAGE OF A PROJECT SYSTEM AND THE SUBSTRATE PLATE.
FR2460523A1 (en) * 1979-06-29 1981-01-23 Thomson Csf SEMICONDUCTOR LASER SOURCE OPTICAL READING HEAD AND DEVICE FOR REFLECTING AN INFORMATION MEDIUM COMPRISING SUCH AN OPTICAL HEAD
JPS5870434A (en) * 1981-10-22 1983-04-26 Toshiba Corp Optical head
JPS57186240A (en) * 1981-11-09 1982-11-16 Teac Co Optical reproducing device
JPS59119548A (en) * 1982-12-25 1984-07-10 Pioneer Electronic Corp Optical pickup device
US4630927A (en) * 1983-02-15 1986-12-23 General Electric Company Optical projector
JPS59125727U (en) * 1983-02-15 1984-08-24 パイオニア株式会社 Optical information pickup device
JPS60197950A (en) * 1984-03-22 1985-10-07 Toshiba Corp Optical head
JPH0626972Y2 (en) * 1986-10-03 1994-07-20 パイオニア株式会社 Optical pickup device

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2313716A1 (en) * 1975-06-03 1976-12-31 Thomson Brandt OPTICAL READING SYSTEM BY REFLECTION OF AN INFORMATION MEDIA

Also Published As

Publication number Publication date
FR2385173B1 (en) 1985-05-10
DD135654A5 (en) 1979-05-16
DE2810566A1 (en) 1978-09-28
IT1093249B (en) 1985-07-19
ES468083A1 (en) 1978-12-16
GB1589035A (en) 1981-05-07
SE7803140L (en) 1978-09-24
AU516903B2 (en) 1981-06-25
SE424677B (en) 1982-08-02
JPS6028055B2 (en) 1985-07-02
AR217276A1 (en) 1980-03-14
BR7801692A (en) 1979-01-02
AU3429278A (en) 1979-09-27
JPS53118103A (en) 1978-10-16
FR2385173A1 (en) 1978-10-20
NL7706753A (en) 1978-12-22
IT7821384A0 (en) 1978-03-20
BE865140A (en) 1978-09-21
CA1116294A (en) 1982-01-12
DE2810566C2 (en) 1988-01-21
AT371275B (en) 1983-06-10
ATA200278A (en) 1982-10-15

Similar Documents

Publication Publication Date Title
DK120478A (en) DEVICE FOR READING A RADIATION REFLECTIVE REGISTRATION CARRIER
DK341777A (en) OPTICAL READER FOR SCANNING A REGISTRATION CARRIER WITH A RADIATION REFLECTIVE INFORMATION STRUCTURE
DK555278A (en) OPTICAL READING DEVICE FOR READING A MOVING INFORMATION CARRIER NAMELY FOR READING A VIDEO CHARGE
DK301276A (en) DEVICE FOR READING AN OPTIC READABLE REFLECTIVE INFORMATION STRUCTURE
DK131178A (en) OPTICAL SCANNER DEVICE
DK30777A (en) DEVICE FOR READING A REGISTRATION CARRIER WITH AN OPTIC READABLE INFORMATION STRUCTURE
IT1057581B (en) FIXING DEVICE FOR A PD UNO SOI
DK467276A (en) DEVICE FOR FIXING A STABLE DEBLE
NL7800693A (en) OPTICAL RADIATION DETECTOR.
DK182778A (en) LANGUAGE INFORMATION INTRODUCTION DEVICE
DK124478A (en) DEVICE FOR READING A REGISTRATION CARRIER REFLECTING OPTICAL RADIATION
DK526478A (en) FRAMEWORK FOR STORING DIAPOSITIVES
FR2341145A1 (en) OPTICAL SCAN DEVICE
DK103380A (en) PROCEDURE FOR FIXING 9-AMINOAL COOLFluorens
DK120578A (en) DEVICE FOR READING A RADIATION REFLECTIVE REGISTRATION CARRIER
DK236376A (en) DEVICE FOR READING A RECORD CARRIER
SE7702854L (en) DIRECTION FOR DIRECTED LIGHT RADIATION
DK517080A (en) DEVICE FOR POSITIONING A SUBJECT
DK261880A (en) DEVICE FOR READING INFORMATION
NL7800890A (en) OPTICAL DETECTOR.
DK358577A (en) DEVICE FOR MORNING CODE
DK427179A (en) DEVICE FOR READING A DISC-shaped CONTROL CARRIER
DK287978A (en) DEVICE FOR FIXING WORKS
FR2309932A1 (en) AUTOMATIC FOCUSING OPTICAL ANALYZER
NO783060L (en) FIXING DEVICE FOR A LIFEFLOAT