NL7206376A - - Google Patents

Info

Publication number
NL7206376A
NL7206376A NL7206376A NL7206376A NL7206376A NL 7206376 A NL7206376 A NL 7206376A NL 7206376 A NL7206376 A NL 7206376A NL 7206376 A NL7206376 A NL 7206376A NL 7206376 A NL7206376 A NL 7206376A
Authority
NL
Netherlands
Application number
NL7206376A
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 filed Critical
Priority to NL7206376A priority Critical patent/NL7206376A/xx
Priority to US345645A priority patent/US3876875A/en
Priority to ZA732198A priority patent/ZA732198B/xx
Priority to AU55298/73A priority patent/AU482340B2/en
Priority to SE7306437A priority patent/SE391403B/xx
Priority to IT68299/73A priority patent/IT985878B/it
Priority to CA170,626A priority patent/CA984190A/en
Priority to CH653173A priority patent/CH565381A5/xx
Priority to DK252873AA priority patent/DK134208B/da
Priority to GB2190373A priority patent/GB1434060A/en
Priority to AT404673A priority patent/AT323819B/de
Priority to BE130948A priority patent/BE799334A/xx
Priority to FR7316689A priority patent/FR2184344A5/fr
Priority to ES414578A priority patent/ES414578A1/es
Priority to JP5123673A priority patent/JPS5548366B2/ja
Priority to DE2323586A priority patent/DE2323586C3/de
Publication of NL7206376A publication Critical patent/NL7206376A/xx

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
    • G11B7/0908—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 focusing only
    • 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
    • G02B27/40—Optical focusing aids

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Focusing (AREA)
  • Automatic Focus Adjustment (AREA)
  • Optical Head (AREA)
  • Transforming Light Signals Into Electric Signals (AREA)
NL7206376A 1972-05-11 1972-05-11 NL7206376A (ja)

Priority Applications (16)

Application Number Priority Date Filing Date Title
NL7206376A NL7206376A (ja) 1972-05-11 1972-05-11
US345645A US3876875A (en) 1972-05-11 1973-03-28 Optical system for forming an image of an object in a given plane
ZA732198A ZA732198B (en) 1972-05-11 1973-03-30 Optical system for forming an image of an object in a given plane
AU55298/73A AU482340B2 (en) 1972-05-11 1973-05-07 Optical system for forming an image ofan object ina given plane
SE7306437A SE391403B (sv) 1972-05-11 1973-05-08 Optiskt system for avlesning av en registreringsberare
IT68299/73A IT985878B (it) 1972-05-11 1973-05-08 Sistema ottico per formare l immagine di un oggetto in un determinato piano
CA170,626A CA984190A (en) 1972-05-11 1973-05-08 Optical system for forming an image of an object in a given plane
CH653173A CH565381A5 (ja) 1972-05-11 1973-05-08
DK252873AA DK134208B (da) 1972-05-11 1973-05-08 Optisk system til dannelse af et billede af en genstand på et givet billedplan.
GB2190373A GB1434060A (en) 1972-05-11 1973-05-08 Constant magnification optical system
AT404673A AT323819B (de) 1972-05-11 1973-05-08 Optisches system zur abbildung eines gegenstandes in einer fildebene
BE130948A BE799334A (fr) 1972-05-11 1973-05-09 Systeme optique permettant de representer un objet dans un plan determine,
FR7316689A FR2184344A5 (ja) 1972-05-11 1973-05-09
ES414578A ES414578A1 (es) 1972-05-11 1973-05-09 Un aparato para leer un portador de registro de informacionplano.
JP5123673A JPS5548366B2 (ja) 1972-05-11 1973-05-10
DE2323586A DE2323586C3 (de) 1972-05-11 1973-05-10 Optisches System zur Abbildung eines Gegenstandes in einer bestimmten Ebene

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7206376A NL7206376A (ja) 1972-05-11 1972-05-11

Publications (1)

Publication Number Publication Date
NL7206376A true NL7206376A (ja) 1973-11-13

Family

ID=19816019

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7206376A NL7206376A (ja) 1972-05-11 1972-05-11

Country Status (15)

Country Link
US (1) US3876875A (ja)
JP (1) JPS5548366B2 (ja)
AT (1) AT323819B (ja)
BE (1) BE799334A (ja)
CA (1) CA984190A (ja)
CH (1) CH565381A5 (ja)
DE (1) DE2323586C3 (ja)
DK (1) DK134208B (ja)
ES (1) ES414578A1 (ja)
FR (1) FR2184344A5 (ja)
GB (1) GB1434060A (ja)
IT (1) IT985878B (ja)
NL (1) NL7206376A (ja)
SE (1) SE391403B (ja)
ZA (1) ZA732198B (ja)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2512384C2 (de) * 1975-03-21 1986-07-31 Geometric Data Corp., Wayne, Pa. Feinfokussiereinrichtung für das Objektiv eines optischen Instrumentes
FR2321711A1 (fr) * 1975-08-19 1977-03-18 Thomson Brandt Dispositif optique a mise au point automatique et lecteur optique comportant un tel dispositif
FR2330027A1 (fr) * 1975-10-28 1977-05-27 Thomson Brandt Dispositif de focalisation a vergence variable et lecteur optique comportant un tel dispositif
NL7600479A (nl) * 1976-01-19 1977-07-21 Philips Nv Automatisch optisch focusseersysteem.
US4918678A (en) * 1977-12-12 1990-04-17 Dolby Ray Milton Disc reproducing system for compensating mechanical imperfections
FR2425085A1 (fr) * 1978-05-05 1979-11-30 Quantel Sa Objectif a longueur focale variable
DE2915313A1 (de) * 1979-04-14 1980-10-23 Ibm Deutschland Piezoelektrische antriebsanordnung, insbesondere fuer fokussiersysteme
US4445209A (en) * 1979-08-27 1984-04-24 Discovision Associates Dithered focusing systems
JPS5769535A (en) * 1980-10-15 1982-04-28 Hitachi Ltd Optical information processor
DE3238108A1 (de) * 1982-10-14 1984-04-19 Messerschmitt-Bölkow-Blohm GmbH, 8000 München Adaptives optisches system
GB8827297D0 (en) * 1988-11-23 1988-12-29 Sira Ltd Inspection apparatus
JPH03194526A (ja) * 1989-12-25 1991-08-26 Olympus Optical Co Ltd 実像式ファインダー光学系
US5621568A (en) * 1991-05-17 1997-04-15 Asahi Kogaku Kogyo Kabushiki Kaisha Device for adjusting the diopter setting of a finder assembly
US6061175A (en) * 1998-06-03 2000-05-09 Watters; George M. Multi-focal-ratio reflector telescopes
CN1295696C (zh) * 2004-12-09 2007-01-17 中国科学院上海光学精密机械研究所 位相型横向超分辨共焦系统

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE16757E (en) * 1922-10-31 1927-10-04 knight
US2410502A (en) * 1940-04-06 1946-11-05 Bendix Aviat Corp Aircraft control apparatus
US3073215A (en) * 1959-07-06 1963-01-15 Cons Electrodynamics Corp Optical recording system
US3514776A (en) * 1968-05-27 1970-05-26 United Aircraft Corp Mirror device

Also Published As

Publication number Publication date
CA984190A (en) 1976-02-24
DE2323586B2 (ja) 1979-08-30
US3876875A (en) 1975-04-08
AU5529873A (en) 1974-11-07
DE2323586A1 (de) 1973-11-22
AT323819B (de) 1975-07-25
SE391403B (sv) 1977-02-14
BE799334A (fr) 1973-11-09
FR2184344A5 (ja) 1973-12-21
ES414578A1 (es) 1976-06-01
JPS4950952A (ja) 1974-05-17
DE2323586C3 (de) 1980-05-14
CH565381A5 (ja) 1975-08-15
ZA732198B (en) 1974-11-27
GB1434060A (en) 1976-04-28
IT985878B (it) 1974-12-20
DK134208C (ja) 1977-02-28
DK134208B (da) 1976-09-27
JPS5548366B2 (ja) 1980-12-05

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