CA2291757C - Modificateur d'images a usage photographique - Google Patents

Modificateur d'images a usage photographique Download PDF

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Publication number
CA2291757C
CA2291757C CA002291757A CA2291757A CA2291757C CA 2291757 C CA2291757 C CA 2291757C CA 002291757 A CA002291757 A CA 002291757A CA 2291757 A CA2291757 A CA 2291757A CA 2291757 C CA2291757 C CA 2291757C
Authority
CA
Canada
Prior art keywords
film
image
modifier
light
camera
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 - Fee Related
Application number
CA002291757A
Other languages
English (en)
Other versions
CA2291757A1 (fr
Inventor
Steven H. L. Hylen
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.)
SmARTlens Corp
Original Assignee
SmARTlens Corp
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 SmARTlens Corp filed Critical SmARTlens Corp
Priority claimed from PCT/US1997/008605 external-priority patent/WO1998050825A1/fr
Publication of CA2291757A1 publication Critical patent/CA2291757A1/fr
Application granted granted Critical
Publication of CA2291757C publication Critical patent/CA2291757C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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  • Structure And Mechanism Of Cameras (AREA)
  • Stroboscope Apparatuses (AREA)
  • Microscoopes, Condenser (AREA)

Abstract

L'invention concerne un dispositif de modification de lumière destiné à être utilisé dans un appareil-photo. Le dispositif présente différents modes de réalisation: une lame transparente (2) ayant un diagramme de diffusion, montée sur le plan focal, une lame transparente montée sur une cartouche de film, une longueur d'une bande de film en plastique à motifs placée au voisinage d'une longueur similaire de bande (16) de film photographique, ces deux bandes de film étant enroulées dans un boîtier de film classique 35 mm, et un coupleur de lame transparente placée entre l'objectif principal de l'appareil-photo et le boîtier (12) de l'appareil-photo.
CA002291757A 1997-05-09 1997-05-09 Modificateur d'images a usage photographique Expired - Fee Related CA2291757C (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US1997/008605 WO1998050825A1 (fr) 1995-09-12 1997-05-09 Modificateur d'images a usage photographique

Publications (2)

Publication Number Publication Date
CA2291757A1 CA2291757A1 (fr) 1998-11-12
CA2291757C true CA2291757C (fr) 2005-01-18

Family

ID=22260940

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002291757A Expired - Fee Related CA2291757C (fr) 1997-05-09 1997-05-09 Modificateur d'images a usage photographique

Country Status (5)

Country Link
JP (1) JP2001524224A (fr)
AT (1) ATE454648T1 (fr)
CA (1) CA2291757C (fr)
DE (1) DE69739735D1 (fr)
IL (1) IL132755A0 (fr)

Also Published As

Publication number Publication date
IL132755A0 (en) 2001-03-19
ATE454648T1 (de) 2010-01-15
CA2291757A1 (fr) 1998-11-12
JP2001524224A (ja) 2001-11-27
DE69739735D1 (de) 2010-02-25

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Effective date: 20130509