GB898007A - Improvements in or relating to optical magnifying systems - Google Patents

Improvements in or relating to optical magnifying systems

Info

Publication number
GB898007A
GB898007A GB4090058A GB4090058A GB898007A GB 898007 A GB898007 A GB 898007A GB 4090058 A GB4090058 A GB 4090058A GB 4090058 A GB4090058 A GB 4090058A GB 898007 A GB898007 A GB 898007A
Authority
GB
United Kingdom
Prior art keywords
beam splitter
relating
optical magnifying
dec
window
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
GB4090058A
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.)
Laubman and Pank Pty Ltd
Original Assignee
Laubman and Pank Pty 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
Priority claimed from AU34139/57A external-priority patent/AU231047B2/en
Application filed by Laubman and Pank Pty Ltd filed Critical Laubman and Pank Pty Ltd
Publication of GB898007A publication Critical patent/GB898007A/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
    • G02B27/02—Viewing or reading apparatus
    • G02B27/021—Reading apparatus

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Microscoopes, Condenser (AREA)
  • Lenses (AREA)

Abstract

898,007. Viewing devices. LAUBMAN & PANK Ltd. Dec. 18, 1958 [Dec. 24, 1957], No. 40900/58. Class 97(1). An optical magnifying system comprises a beam splitter 4 which reflects rays from an object disposed in a window 3 to a concave reflector 6 so that an enlarged virtual image of the object is formed behind the concave reflector and can be viewed through the beam splitter 4. The beam splitter and reflector are mounted in a housing 1 provided with the window 3 and including a strip lamp 8 and cylindrical condenser 9 for illuminating the object.
GB4090058A 1957-12-24 1958-12-18 Improvements in or relating to optical magnifying systems Expired GB898007A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AU34139/57A AU231047B2 (en) 1957-12-24 Optical magnifying system

Publications (1)

Publication Number Publication Date
GB898007A true GB898007A (en) 1962-06-06

Family

ID=3721481

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4090058A Expired GB898007A (en) 1957-12-24 1958-12-18 Improvements in or relating to optical magnifying systems

Country Status (1)

Country Link
GB (1) GB898007A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3711188A (en) * 1970-06-10 1973-01-16 Visidyne Inc Compact optical display system
US4735497A (en) * 1983-07-01 1988-04-05 Aoi Systems, Inc. Apparatus for viewing printed circuit boards having specular non-planar topography

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3711188A (en) * 1970-06-10 1973-01-16 Visidyne Inc Compact optical display system
US4735497A (en) * 1983-07-01 1988-04-05 Aoi Systems, Inc. Apparatus for viewing printed circuit boards having specular non-planar topography

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