FR642348A - Improvements to optical systems - Google Patents

Improvements to optical systems

Info

Publication number
FR642348A
FR642348A FR642348DA FR642348A FR 642348 A FR642348 A FR 642348A FR 642348D A FR642348D A FR 642348DA FR 642348 A FR642348 A FR 642348A
Authority
FR
France
Prior art keywords
optical systems
optical
systems
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
French (fr)
Inventor
Jacob Frank Leventhal
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 filed Critical
Application granted granted Critical
Publication of FR642348A publication Critical patent/FR642348A/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
    • G02B27/09—Beam shaping, e.g. changing the cross-sectional area, not otherwise provided for
    • G02B27/0933—Systems for active beam shaping by rapid movement of an element
    • 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
    • G02B27/09—Beam shaping, e.g. changing the cross-sectional area, not otherwise provided for
    • G02B27/0938—Using specific optical elements
    • G02B27/095—Refractive optical elements

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
FR642348D 1926-10-14 1927-09-07 Improvements to optical systems Expired FR642348A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US642348XA 1926-10-14 1926-10-14

Publications (1)

Publication Number Publication Date
FR642348A true FR642348A (en) 1928-08-27

Family

ID=22054491

Family Applications (1)

Application Number Title Priority Date Filing Date
FR642348D Expired FR642348A (en) 1926-10-14 1927-09-07 Improvements to optical systems

Country Status (1)

Country Link
FR (1) FR642348A (en)

Similar Documents

Publication Publication Date Title
FR704587A (en) Improvements to filtration systems
FR642348A (en) Improvements to optical systems
FR605442A (en) Improvements to vibratory systems
FR660700A (en) Improvements to optical systems
FR631166A (en) Improvements to telephone systems
FR609921A (en) Improvements to optical systems
FR699757A (en) Improvements to optical systems
FR681182A (en) Improvements to optical systems
FR679962A (en) Improvements to take change systems
FR614065A (en) Improvements to optical projection systems
FR621653A (en) Improvements to optical lens systems
FR647751A (en) Improvements to telephone systems
FR650954A (en) Improvements to telephone systems
FR642998A (en) Improvements to radiotelegraph communications systems
FR35473E (en) Improvements to optical devices
FR734120A (en) Improvements to optical systems
FR669069A (en) Improvements to light projection systems
FR643377A (en) Improvements to modulator systems
FR694706A (en) Improvements to electro-optical systems
FR37093E (en) Improvements to amplifier systems
FR614193A (en) Optical lens enhancements
FR706533A (en) Improvements to optical systems of oscillographs
FR646407A (en) Improvements to systems generating ultra-violet light
FR635775A (en) Improvements to telephone systems
FR667117A (en) Improvements to telephone systems