NO751480L - - Google Patents

Info

Publication number
NO751480L
NO751480L NO751480A NO751480A NO751480L NO 751480 L NO751480 L NO 751480L NO 751480 A NO751480 A NO 751480A NO 751480 A NO751480 A NO 751480A NO 751480 L NO751480 L NO 751480L
Authority
NO
Norway
Application number
NO751480A
Other languages
Norwegian (no)
Other versions
NO139872B (no
NO139872C (no
Inventor
G Vogl
B Moeller
J-E 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/no
Publication of NO139872C publication Critical patent/NO139872C/no

Links

Classifications

    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B9/00Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or -
    • G02B9/12Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having three components only
    • G02B9/14Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having three components only arranged + - +
    • G02B9/16Optical 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
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00Optical objectives specially designed for the purposes specified below
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B9/00Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or -
    • G02B9/34Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having four components only
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B3/00Simple or compound lenses
    • G02B3/02Simple or compound lenses with non-spherical faces
    • G02B3/08Simple 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 Projeksjonsoptikk. NO139872C (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7407134A SE382262B (sv) 1974-05-29 1974-05-29 Projektionsoptik.

Publications (3)

Publication Number Publication Date
NO751480L true NO751480L (fr) 1975-12-02
NO139872B NO139872B (no) 1979-02-12
NO139872C NO139872C (no) 1979-05-23

Family

ID=20321270

Family Applications (1)

Application Number Title Priority Date Filing Date
NO751480A NO139872C (no) 1974-05-29 1975-04-24 Projeksjonsoptikk.

Country Status (21)

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

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 (ja) * 1988-06-14 1997-12-17 旭光学工業株式会社 拡大投影レンズ
JP2954217B2 (ja) * 1987-12-09 1999-09-27 株式会社日立製作所 投写用レンズ

Also Published As

Publication number Publication date
AU8129275A (en) 1976-11-25
DK238075A (da) 1975-11-30
SE382262B (sv) 1976-01-19
HU175781B (hu) 1980-10-28
GB1474847A (en) 1977-05-25
NO139872B (no) 1979-02-12
BR7503348A (pt) 1976-04-27
DE2519991A1 (de) 1975-12-18
CH585910A5 (fr) 1977-03-15
ATA398475A (de) 1979-01-15
PL104910B1 (pl) 1979-09-29
FI751515A (fr) 1975-11-30
ES436963A1 (es) 1976-12-01
CA1050314A (fr) 1979-03-13
IT1037780B (it) 1979-11-20
SU625640A3 (ru) 1978-09-25
FR2273290B1 (fr) 1980-07-11
BE829494A (fr) 1975-09-15
DD120942A5 (fr) 1976-07-05
AT351828B (de) 1979-08-10
NL7506296A (nl) 1975-12-02
FR2273290A1 (fr) 1975-12-26
CS192543B2 (en) 1979-08-31
JPS513228A (fr) 1976-01-12
SE7407134L (sv) 1975-12-01
NO139872C (no) 1979-05-23

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