FR11140E - Instrument d'optique - Google Patents

Instrument d'optique

Info

Publication number
FR11140E
FR11140E FR11140DA FR11140E FR 11140 E FR11140 E FR 11140E FR 11140D A FR11140D A FR 11140DA FR 11140 E FR11140 E FR 11140E
Authority
FR
France
Prior art keywords
optical instrument
instrument
optical
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
Other languages
English (en)
Inventor
Georges Fotescu
Gustave Heilbrunn
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR11140E publication Critical patent/FR11140E/fr
Expired legal-status Critical Current

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
    • G02B3/08—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)
FR11140D 1908-09-21 1909-06-16 Instrument d'optique Expired FR11140E (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR394514T 1908-09-21
FR11140T 1909-06-16

Publications (1)

Publication Number Publication Date
FR11140E true FR11140E (fr) 1909-12-09

Family

ID=1353475

Family Applications (1)

Application Number Title Priority Date Filing Date
FR11140D Expired FR11140E (fr) 1908-09-21 1909-06-16 Instrument d'optique

Country Status (1)

Country Link
FR (1) FR11140E (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2493110A (en) * 1945-09-28 1950-01-03 Corman And Young Optical Compa Lens for focusing infrared and ultraviolet rays
US2821108A (en) * 1953-02-06 1958-01-28 Taylor Taylor & Hobson Ltd Deep-field optical objectives
US3827798A (en) * 1971-04-05 1974-08-06 Optical Res & Dev Corp Optical element of reduced thickness

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2493110A (en) * 1945-09-28 1950-01-03 Corman And Young Optical Compa Lens for focusing infrared and ultraviolet rays
US2821108A (en) * 1953-02-06 1958-01-28 Taylor Taylor & Hobson Ltd Deep-field optical objectives
US3827798A (en) * 1971-04-05 1974-08-06 Optical Res & Dev Corp Optical element of reduced thickness

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