NO139872C - PROJECTION OPTICS. - Google Patents

PROJECTION OPTICS.

Info

Publication number
NO139872C
NO139872C NO751480A NO751480A NO139872C NO 139872 C NO139872 C NO 139872C NO 751480 A NO751480 A NO 751480A NO 751480 A NO751480 A NO 751480A NO 139872 C NO139872 C NO 139872C
Authority
NO
Norway
Prior art keywords
projection optics
optics
projection
Prior art date
Application number
NO751480A
Other languages
Norwegian (no)
Other versions
NO751480L (en
NO139872B (en
Inventor
Georg Vogl
Bo Moeller
Jan-Erik Asteroe
Original Assignee
Lindaco Ltd
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 Lindaco Ltd filed Critical Lindaco Ltd
Publication of NO751480L publication Critical patent/NO751480L/no
Publication of NO139872B publication Critical patent/NO139872B/en
Publication of NO139872C publication Critical patent/NO139872C/en

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B9/00—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or -
    • G02B9/12—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having three components only
    • G02B9/14—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having three components only arranged + - +
    • G02B9/16—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having three components only arranged + - + all the components being simple
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00—Optical objectives specially designed for the purposes specified below
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B9/00—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or -
    • G02B9/34—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having four components only
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B3/00—Simple or compound lenses
    • G02B3/02—Simple or compound lenses with non-spherical faces
    • G02B3/08—Simple or compound lenses with non-spherical faces with discontinuous faces, e.g. Fresnel lens

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
  • Medicines Containing Plant Substances (AREA)
  • External Artificial Organs (AREA)
NO751480A 1974-05-29 1975-04-24 PROJECTION OPTICS. NO139872C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7407134A SE382262B (en) 1974-05-29 1974-05-29 PROJECTION OPTICS.

Publications (3)

Publication Number Publication Date
NO751480L NO751480L (en) 1975-12-02
NO139872B NO139872B (en) 1979-02-12
NO139872C true NO139872C (en) 1979-05-23

Family

ID=20321270

Family Applications (1)

Application Number Title Priority Date Filing Date
NO751480A NO139872C (en) 1974-05-29 1975-04-24 PROJECTION OPTICS.

Country Status (21)

Country Link
JP (1) JPS513228A (en)
AT (1) AT351828B (en)
BE (1) BE829494A (en)
BR (1) BR7503348A (en)
CA (1) CA1050314A (en)
CH (1) CH585910A5 (en)
CS (1) CS192543B2 (en)
DD (1) DD120942A5 (en)
DE (1) DE2519991A1 (en)
DK (1) DK238075A (en)
ES (1) ES436963A1 (en)
FI (1) FI751515A (en)
FR (1) FR2273290B1 (en)
GB (1) GB1474847A (en)
HU (1) HU175781B (en)
IT (1) IT1037780B (en)
NL (1) NL7506296A (en)
NO (1) NO139872C (en)
PL (1) PL104910B1 (en)
SE (1) SE382262B (en)
SU (1) SU625640A3 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4311366A (en) * 1978-03-01 1982-01-19 J. H. Dallmeyer Limited Image focusing system
US4380374A (en) * 1981-04-16 1983-04-19 Minnesota Mining & Manufacturing Company Variable focal length projection lens for use on overhead projectors
JP2691566B2 (en) * 1988-06-14 1997-12-17 旭光学工業株式会社 Magnifying projection lens
JP2954217B2 (en) * 1987-12-09 1999-09-27 株式会社日立製作所 Projection lens

Also Published As

Publication number Publication date
FR2273290A1 (en) 1975-12-26
DK238075A (en) 1975-11-30
JPS513228A (en) 1976-01-12
CH585910A5 (en) 1977-03-15
NO751480L (en) 1975-12-02
GB1474847A (en) 1977-05-25
CS192543B2 (en) 1979-08-31
FR2273290B1 (en) 1980-07-11
IT1037780B (en) 1979-11-20
ES436963A1 (en) 1976-12-01
AU8129275A (en) 1976-11-25
PL104910B1 (en) 1979-09-29
FI751515A (en) 1975-11-30
NL7506296A (en) 1975-12-02
SE382262B (en) 1976-01-19
CA1050314A (en) 1979-03-13
HU175781B (en) 1980-10-28
DD120942A5 (en) 1976-07-05
SU625640A3 (en) 1978-09-25
SE7407134L (en) 1975-12-01
BR7503348A (en) 1976-04-27
NO139872B (en) 1979-02-12
DE2519991A1 (en) 1975-12-18
ATA398475A (en) 1979-01-15
BE829494A (en) 1975-09-15
AT351828B (en) 1979-08-10

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