JPS513228A - - Google Patents

Info

Publication number
JPS513228A
JPS513228A JP50063946A JP6394675A JPS513228A JP S513228 A JPS513228 A JP S513228A JP 50063946 A JP50063946 A JP 50063946A JP 6394675 A JP6394675 A JP 6394675A JP S513228 A JPS513228 A JP S513228A
Authority
JP
Japan
Legal status (The legal status 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 status listed.)
Pending
Application number
JP50063946A
Other languages
Japanese (ja)
Inventor
Booguru Georugu
Moraa Bo
Eriku Asutero Jan
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
RINDAKO Ltd
Original Assignee
RINDAKO 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 RINDAKO Ltd filed Critical RINDAKO Ltd
Publication of JPS513228A publication Critical patent/JPS513228A/ja
Pending legal-status Critical Current

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)
JP50063946A 1974-05-29 1975-05-28 Pending JPS513228A (fr)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
JPS513228A true JPS513228A (fr) 1976-01-12

Family

ID=20321270

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50063946A Pending JPS513228A (fr) 1974-05-29 1975-05-28

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)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54154321A (en) * 1978-03-01 1979-12-05 Dallmeyer Ltd J H Image focucing device
JPH01250916A (ja) * 1987-12-09 1989-10-05 Hitachi Ltd 投写用レンズ
JPH01314217A (ja) * 1988-06-14 1989-12-19 Asahi Optical Co Ltd 拡大投影レンズ

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4380374A (en) * 1981-04-16 1983-04-19 Minnesota Mining & Manufacturing Company Variable focal length projection lens for use on overhead projectors

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54154321A (en) * 1978-03-01 1979-12-05 Dallmeyer Ltd J H Image focucing device
JPH01250916A (ja) * 1987-12-09 1989-10-05 Hitachi Ltd 投写用レンズ
JPH01314217A (ja) * 1988-06-14 1989-12-19 Asahi Optical Co Ltd 拡大投影レンズ

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
AT351828B (de) 1979-08-10
NL7506296A (nl) 1975-12-02
FR2273290A1 (fr) 1975-12-26
CS192543B2 (en) 1979-08-31
SE7407134L (sv) 1975-12-01
NO139872C (no) 1979-05-23

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