BR7902788A - Aparelho para a exploracao ponto a ponto de uma superficie de informacoes - Google Patents

Aparelho para a exploracao ponto a ponto de uma superficie de informacoes

Info

Publication number
BR7902788A
BR7902788A BR7902788A BR7902788A BR7902788A BR 7902788 A BR7902788 A BR 7902788A BR 7902788 A BR7902788 A BR 7902788A BR 7902788 A BR7902788 A BR 7902788A BR 7902788 A BR7902788 A BR 7902788A
Authority
BR
Brazil
Prior art keywords
point
appliance
exploring
information surface
information
Prior art date
Application number
BR7902788A
Other languages
English (en)
Portuguese (pt)
Inventor
G Browhuis
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
Publication of BR7902788A publication Critical patent/BR7902788A/pt

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/42—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect
    • G02B27/4233—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect having a diffractive element [DOE] contributing to a non-imaging application
    • G02B27/4238—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect having a diffractive element [DOE] contributing to a non-imaging application in optical recording or readout devices
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/42—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect
    • 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
    • G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
    • G11B7/005—Reproducing
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Microscoopes, Condenser (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Optical Head (AREA)
  • Numerical Control (AREA)
BR7902788A 1978-05-11 1979-05-08 Aparelho para a exploracao ponto a ponto de uma superficie de informacoes BR7902788A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7805069A NL7805069A (nl) 1978-05-11 1978-05-11 Inrichting voor puntsgewijze aftasting van een infor- matievlak.

Publications (1)

Publication Number Publication Date
BR7902788A true BR7902788A (pt) 1979-11-27

Family

ID=19830816

Family Applications (1)

Application Number Title Priority Date Filing Date
BR7902788A BR7902788A (pt) 1978-05-11 1979-05-08 Aparelho para a exploracao ponto a ponto de uma superficie de informacoes

Country Status (22)

Country Link
US (1) US4242579A (enExample)
JP (1) JPS54155008A (enExample)
AR (1) AR219161A1 (enExample)
AT (1) AT372799B (enExample)
AU (1) AU528609B2 (enExample)
BE (1) BE876144A (enExample)
BR (1) BR7902788A (enExample)
CA (1) CA1145040A (enExample)
DD (1) DD143832A5 (enExample)
DE (1) DE2917932C2 (enExample)
DK (1) DK150046C (enExample)
ES (1) ES480406A1 (enExample)
FR (1) FR2425694B1 (enExample)
GB (1) GB2021281B (enExample)
IT (1) IT1112554B (enExample)
NL (1) NL7805069A (enExample)
NO (1) NO791541L (enExample)
NZ (1) NZ190392A (enExample)
PL (1) PL131561B1 (enExample)
SE (1) SE443466B (enExample)
YU (1) YU110079A (enExample)
ZA (1) ZA792065B (enExample)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5856236A (ja) * 1981-09-28 1983-04-02 Hitachi Ltd 光学的トラック位置検出装置およびそれを用いた光学的記録再生装置
US4534021A (en) * 1981-12-10 1985-08-06 Discovision Associates Angularly multiplexed optical recording medium
JPS59119548A (ja) * 1982-12-25 1984-07-10 Pioneer Electronic Corp 光学式ピツクアツプ装置
JPS63225927A (ja) * 1987-03-13 1988-09-20 Pioneer Electronic Corp 焦点誤差検出装置
NL8801327A (nl) * 1988-05-24 1989-12-18 Philips Nv Methode voor het optisch aftasten van een informatievlak en optische registratiedragers en aftastinrichtingen geschikt voor toepassing van de methode.
CN1275230A (zh) * 1998-06-15 2000-11-29 皇家菲利浦电子有限公司 用于扫描光记录载体的装置
EP0965981A3 (en) * 1998-06-16 2009-11-25 Koninklijke Philips Electronics N.V. Device for scanning an optical record carrier
WO2004086388A1 (en) * 2003-03-28 2004-10-07 Koninklijke Philips Electronics N.V. Optical record carrier and optical scanning device
WO2005003826A1 (en) * 2003-07-04 2005-01-13 Koninklijke Philips Electronics N.V. Optical diffraction element

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3770340A (en) * 1972-08-21 1973-11-06 Technical Operations Inc Coherent optical system with expanded bandwidth and noise suppression
US3919562A (en) * 1974-05-20 1975-11-11 Zenith Radio Corp Slit detector for optical detector system
NL177157C (nl) * 1975-02-28 1985-08-01 Philips Nv Inrichting voor het uitlezen van een vlakke registratiedrager met een optisch uitleesbare informatiestruktuur.
US4065786A (en) * 1975-09-30 1977-12-27 Rca Corporation Videodisc playback system
NL7600843A (nl) * 1976-01-28 1977-08-01 Philips Nv Inrichting voor het uitlezen van een registratie- drager waarop informatie, bijvoorbeeld en/of ge- luidsinformatie, is aangebracht.
CA1091966A (en) * 1976-10-15 1980-12-23 Chiaki Kojima Apparatus for reading signals recorded on a record carrier

Also Published As

Publication number Publication date
DD143832A5 (de) 1980-09-10
ES480406A1 (es) 1979-12-16
US4242579A (en) 1980-12-30
CA1145040A (en) 1983-04-19
PL131561B1 (en) 1984-11-30
SE7903979L (sv) 1979-11-12
NZ190392A (en) 1982-06-29
NL7805069A (nl) 1979-11-13
BE876144A (fr) 1979-11-09
IT1112554B (it) 1986-01-20
DK150046C (da) 1987-07-13
NO791541L (no) 1979-11-13
AU4681079A (en) 1979-11-15
YU110079A (en) 1982-06-30
JPS6343820B2 (enExample) 1988-09-01
DK150046B (da) 1986-11-24
GB2021281B (en) 1982-06-23
IT7922460A0 (it) 1979-05-08
GB2021281A (en) 1979-11-28
DE2917932A1 (de) 1979-11-15
ATA352079A (de) 1983-03-15
DE2917932C2 (de) 1983-01-20
ZA792065B (en) 1980-12-31
SE443466B (sv) 1986-02-24
DK189679A (da) 1979-11-12
FR2425694A1 (fr) 1979-12-07
FR2425694B1 (fr) 1988-07-08
AU528609B2 (en) 1983-05-05
JPS54155008A (en) 1979-12-06
AT372799B (de) 1983-11-10
PL215491A1 (enExample) 1980-03-24
AR219161A1 (es) 1980-07-31

Similar Documents

Publication Publication Date Title
GB2030719B (en) Recording information from different information sources
FR2446641B1 (fr) Appare
SE8006336L (sv) Etiketteringsapparat
IT1110798B (it) Comando per cartuccia di nastro
IT7920414A0 (it) Circuito pilota capacitivo per alte tensioni.
BR7903657A (pt) Aparelho mecanico para remocao de carepa
IT7924023A0 (it) Procedimento per la fabbricazione di un pannello circuitale flessibile.
AT387579B (de) Haertbare mischung
AT369410B (de) Waermehaertbare oganopolysiloxanmassen
SE7900331L (sv) Etikett
SE7909670L (sv) Reglerad avbojningskrets
NL7904358A (nl) Flexibele houder.
FI784055A7 (fi) Foerfarande foer foervandla laodanoder till expanderbara anoder
BE873071A (nl) Aandrijfmechanisme
NO790504L (no) Etiketteringsverktoey.
IT7847773A0 (it) Succhiello flessibile
BR7902141A (pt) Aparelho para irradiacao de uma superficie
NL7904440A (nl) Buigzame draaias.
SE7904426L (sv) Anblasningsbotten for virvelskiktapparater
IT7927813A0 (it) Cartuccia di nastro perfezionata.
FI790217A7 (fi) Blankett som genom gnisterosion omvandlas till en perforerad stensil
FI791839A7 (fi) Furonaftyridinfoereningar
IT1122953B (it) Elettrofiltro
NL177642C (nl) Elektrostatische opneeminrichting.
BR5800645U (pt) Furadeira pneumatica para circuito impresso