DK238075A - PROJECTION OPTICS - Google Patents

PROJECTION OPTICS

Info

Publication number
DK238075A
DK238075A DK238075A DK238075A DK238075A DK 238075 A DK238075 A DK 238075A DK 238075 A DK238075 A DK 238075A DK 238075 A DK238075 A DK 238075A DK 238075 A DK238075 A DK 238075A
Authority
DK
Denmark
Prior art keywords
projection optics
optics
projection
Prior art date
Application number
DK238075A
Other languages
Danish (da)
Inventor
G Vogl
B Moller
J-E Astero
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 DK238075A publication Critical patent/DK238075A/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
DK238075A 1974-05-29 1975-05-28 PROJECTION OPTICS DK238075A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
DK238075A true DK238075A (en) 1975-11-30

Family

ID=20321270

Family Applications (1)

Application Number Title Priority Date Filing Date
DK238075A DK238075A (en) 1974-05-29 1975-05-28 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
SE382262B (en) 1976-01-19
SE7407134L (en) 1975-12-01
ATA398475A (en) 1979-01-15
BE829494A (en) 1975-09-15
FI751515A (en) 1975-11-30
NO139872B (en) 1979-02-12
DD120942A5 (en) 1976-07-05
NO139872C (en) 1979-05-23
GB1474847A (en) 1977-05-25
AU8129275A (en) 1976-11-25
BR7503348A (en) 1976-04-27
NO751480L (en) 1975-12-02
ES436963A1 (en) 1976-12-01
CH585910A5 (en) 1977-03-15
DE2519991A1 (en) 1975-12-18
NL7506296A (en) 1975-12-02
CS192543B2 (en) 1979-08-31
HU175781B (en) 1980-10-28
FR2273290B1 (en) 1980-07-11
CA1050314A (en) 1979-03-13
SU625640A3 (en) 1978-09-25
AT351828B (en) 1979-08-10
FR2273290A1 (en) 1975-12-26
JPS513228A (en) 1976-01-12
IT1037780B (en) 1979-11-20
PL104910B1 (en) 1979-09-29

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