AT351828B - Projektionsobjektiv - Google Patents

Projektionsobjektiv

Info

Publication number
AT351828B
AT351828B AT398475A AT398475A AT351828B AT 351828 B AT351828 B AT 351828B AT 398475 A AT398475 A AT 398475A AT 398475 A AT398475 A AT 398475A AT 351828 B AT351828 B AT 351828B
Authority
AT
Austria
Prior art keywords
projection lens
lens
projection
Prior art date
Application number
AT398475A
Other languages
German (de)
English (en)
Other versions
ATA398475A (de
Inventor
Jan-Erik Asteroe
Bo Moeller
Georg Vogl
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 ATA398475A publication Critical patent/ATA398475A/de
Application granted granted Critical
Publication of AT351828B publication Critical patent/AT351828B/de

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)
AT398475A 1974-05-29 1975-05-26 Projektionsobjektiv AT351828B (de)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
ATA398475A ATA398475A (de) 1979-01-15
AT351828B true AT351828B (de) 1979-08-10

Family

ID=20321270

Family Applications (1)

Application Number Title Priority Date Filing Date
AT398475A AT351828B (de) 1974-05-29 1975-05-26 Projektionsobjektiv

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
NO751480L (fr) 1975-12-02
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
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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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee
ELJ Ceased due to non-payment of the annual fee
REN Ceased due to non-payment of the annual fee