FR708953A - Improvements to cinematographic equipment and other optical projection systems - Google Patents

Improvements to cinematographic equipment and other optical projection systems

Info

Publication number
FR708953A
FR708953A FR708953DA FR708953A FR 708953 A FR708953 A FR 708953A FR 708953D A FR708953D A FR 708953DA FR 708953 A FR708953 A FR 708953A
Authority
FR
France
Prior art keywords
optical projection
projection systems
cinematographic equipment
cinematographic
equipment
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
Herbert Baxter
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 FR708953A publication Critical patent/FR708953A/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00Optical objectives specially designed for the purposes specified below
    • G02B13/08Anamorphotic objectives

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
FR708953D 1930-01-17 1931-01-08 Improvements to cinematographic equipment and other optical projection systems Expired FR708953A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB708953X 1930-01-17

Publications (1)

Publication Number Publication Date
FR708953A true FR708953A (en) 1931-08-01

Family

ID=10494209

Family Applications (1)

Application Number Title Priority Date Filing Date
FR708953D Expired FR708953A (en) 1930-01-17 1931-01-08 Improvements to cinematographic equipment and other optical projection systems

Country Status (1)

Country Link
FR (1) FR708953A (en)

Similar Documents

Publication Publication Date Title
FR714826A (en) Projection lens
FR714881A (en) Improvements to television systems
FR708953A (en) Improvements to cinematographic equipment and other optical projection systems
FR735194A (en) Improvements to cinematographic projection devices
FR699757A (en) Improvements to optical systems
FR724176A (en) Improvements to cinematographic devices and their optical compensators
FR728589A (en) Improvements to television systems and devices
FR712920A (en) Improvements to optical devices
FR711721A (en) Improvements to telegraph systems and apparatus
FR700201A (en) Improvements to simplex telegraph systems
FR734120A (en) Improvements to optical systems
FR713927A (en) Improvements to electro-optical systems
FR696533A (en) Improvements to cameras or projection devices
FR824954A (en) Improvements to cinematographic and fixed projection systems
FR706533A (en) Improvements to optical systems of oscillographs
FR732486A (en) Improvements to optical systems for photophonographic devices
FR735042A (en) Improvements to cinematographic projection devices
FR667191A (en) Improvements to projection equipment and cinematographic prints
FR811956A (en) Improvements to optical systems used in cinematographic equipment
FR706347A (en) Projection lens
FR690413A (en) Improvements to light projection devices
FR710115A (en) Improvements to electro-optical systems
FR733492A (en) Improvements to cinematographic devices and projectors
FR669069A (en) Improvements to light projection systems
FR711495A (en) Optical projection system