DK107522C - Scale reading magnifier. - Google Patents

Scale reading magnifier.

Info

Publication number
DK107522C
DK107522C DK274665A DK274665A DK107522C DK 107522 C DK107522 C DK 107522C DK 274665 A DK274665 A DK 274665A DK 274665 A DK274665 A DK 274665A DK 107522 C DK107522 C DK 107522C
Authority
DK
Denmark
Prior art keywords
scale reading
reading magnifier
magnifier
scale
reading
Prior art date
Application number
DK274665A
Other languages
Danish (da)
Original Assignee
Dennert & Pape Aristo Werke Kg
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 Dennert & Pape Aristo Werke Kg filed Critical Dennert & Pape Aristo Werke Kg
Application granted granted Critical
Publication of DK107522C publication Critical patent/DK107522C/en

Links

Classifications

    • 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
    • G02B3/04—Simple or compound lenses with non-spherical faces with continuous faces that are rotationally symmetrical but deviate from a true sphere, e.g. so called "aspheric" lenses

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
  • Length-Measuring Instruments Using Mechanical Means (AREA)
DK274665A 1964-06-05 1965-05-31 Scale reading magnifier. DK107522C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DED44609A DE1207659B (en) 1964-06-05 1964-06-05 Lens whose profile is convex in the middle part and concave in the edge parts against the direction of view

Publications (1)

Publication Number Publication Date
DK107522C true DK107522C (en) 1967-06-05

Family

ID=7048429

Family Applications (1)

Application Number Title Priority Date Filing Date
DK274665A DK107522C (en) 1964-06-05 1965-05-31 Scale reading magnifier.

Country Status (3)

Country Link
DE (1) DE1207659B (en)
DK (1) DK107522C (en)
GB (1) GB1065482A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3312182C2 (en) * 1983-04-02 1985-05-30 Festo-Maschinenfabrik Gottlieb Stoll, 7300 Esslingen Demonstration element

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT168425B (en) * 1939-10-10 1951-06-11 Philips Nv Process for manufacturing an optical element

Also Published As

Publication number Publication date
GB1065482A (en) 1967-04-19
DE1207659B (en) 1965-12-23

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