AU468997B2 - Improvements in high magnification optical apparatus - Google Patents

Improvements in high magnification optical apparatus

Info

Publication number
AU468997B2
AU468997B2 AU45474/72A AU4547472A AU468997B2 AU 468997 B2 AU468997 B2 AU 468997B2 AU 45474/72 A AU45474/72 A AU 45474/72A AU 4547472 A AU4547472 A AU 4547472A AU 468997 B2 AU468997 B2 AU 468997B2
Authority
AU
Australia
Prior art keywords
optical apparatus
projector
disc
lens system
screen
Prior art date
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.)
Expired
Application number
AU45474/72A
Other languages
English (en)
Other versions
AU4547472A (en
Inventor
John Freeman Robin
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.)
Vision Engr Ltd
Original Assignee
Vision Engr 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 Vision Engr Ltd filed Critical Vision Engr Ltd
Publication of AU4547472A publication Critical patent/AU4547472A/en
Application granted granted Critical
Publication of AU468997B2 publication Critical patent/AU468997B2/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/01—Head-up displays
    • G02B27/0101—Head-up displays characterised by optical features
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B21/00—Microscopes
    • G02B21/18—Arrangements with more than one light path, e.g. for comparing two specimens
    • G02B21/20—Binocular arrangements
    • G02B21/22—Stereoscopic arrangements
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B21/00—Microscopes
    • G02B21/36—Microscopes arranged for photographic purposes or projection purposes or digital imaging or video purposes including associated control and data processing arrangements
    • G02B21/364—Projection microscopes
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B23/00—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/01—Head-up displays
    • G02B27/0101—Head-up displays characterised by optical features
    • G02B2027/0118—Head-up displays characterised by optical features comprising devices for improving the contrast of the display / brillance control visibility
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/01—Head-up displays
    • G02B27/0149—Head-up displays characterised by mechanical features
    • G02B2027/0154—Head-up displays characterised by mechanical features with movable elements

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Astronomy & Astrophysics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Projection Apparatus (AREA)
  • Microscoopes, Condenser (AREA)
  • Stereoscopic And Panoramic Photography (AREA)
AU45474/72A 1971-08-19 1972-08-10 Improvements in high magnification optical apparatus Expired AU468997B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB38943/71 1971-08-19
GB3894371 1971-08-19

Publications (2)

Publication Number Publication Date
AU4547472A AU4547472A (en) 1974-02-14
AU468997B2 true AU468997B2 (en) 1976-01-29

Family

ID=10406647

Family Applications (1)

Application Number Title Priority Date Filing Date
AU45474/72A Expired AU468997B2 (en) 1971-08-19 1972-08-10 Improvements in high magnification optical apparatus

Country Status (10)

Country Link
JP (1) JPS4830440A (enExample)
AU (1) AU468997B2 (enExample)
BE (1) BE787783A (enExample)
CA (1) CA964501A (enExample)
CH (1) CH551018A (enExample)
DE (1) DE2240750A1 (enExample)
FR (1) FR2149584B1 (enExample)
IT (1) IT1019014B (enExample)
NL (1) NL7211311A (enExample)
ZA (1) ZA725372B (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4033683A (en) * 1976-07-14 1977-07-05 Tancredi Henry J Image viewing apparatus
JPS6039433U (ja) * 1983-08-22 1985-03-19 株式会社島津製作所 ネジ締機

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5019936A (enExample) * 1973-06-28 1975-03-03

Also Published As

Publication number Publication date
FR2149584B1 (enExample) 1975-01-03
NL7211311A (enExample) 1973-02-21
CA964501A (en) 1975-03-18
FR2149584A1 (enExample) 1973-03-30
BE787783A (fr) 1972-12-18
IT1019014B (it) 1977-11-10
ZA725372B (en) 1973-05-30
CH551018A (de) 1974-06-28
DE2240750A1 (de) 1973-02-22
JPS4830440A (enExample) 1973-04-21
AU4547472A (en) 1974-02-14

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