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1. WO2020136143 - AN OPTICAL SYSTEM COMPRISING A LENS WITH AN ADJUSTABLE FOCAL LENGTH

Publication Number WO/2020/136143
Publication Date 02.07.2020
International Application No. PCT/EP2019/086852
International Filing Date 20.12.2019
IPC
G02B 3/14 2006.01
GPHYSICS
02OPTICS
BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
3Simple or compound lenses
12Fluid-filled or evacuated lenses
14of variable focal length
G02B 7/02 2006.01
GPHYSICS
02OPTICS
BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
7Mountings, adjusting means, or light-tight connections, for optical elements
02for lenses
G02B 7/08 2006.01
GPHYSICS
02OPTICS
BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
7Mountings, adjusting means, or light-tight connections, for optical elements
02for lenses
04with mechanism for focusing or varying magnification
08adapted to co-operate with a remote control mechanism
G02B 7/10 2006.01
GPHYSICS
02OPTICS
BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
7Mountings, adjusting means, or light-tight connections, for optical elements
02for lenses
04with mechanism for focusing or varying magnification
10by relative axial movement of several lenses, e.g. of varifocal objective lens
G02B 13/00 2006.01
GPHYSICS
02OPTICS
BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
13Optical objectives specially designed for the purposes specified below
CPC
G02B 13/0065
GPHYSICS
02OPTICS
BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
13Optical objectives specially designed for the purposes specified below
001Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras
0055employing a special optical element
0065having a beam-folding prism or mirror
G02B 13/009
GPHYSICS
02OPTICS
BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
13Optical objectives specially designed for the purposes specified below
001Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras
009having zoom function
G02B 3/14
GPHYSICS
02OPTICS
BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
3Simple or compound lenses
12Fluid-filled or evacuated lenses
14of variable focal length
G02B 7/021
GPHYSICS
02OPTICS
BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
7Mountings, adjusting means, or light-tight connections, for optical elements
02for lenses
021for more than one lens
G02B 7/08
GPHYSICS
02OPTICS
BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
7Mountings, adjusting means, or light-tight connections, for optical elements
02for lenses
04with mechanism for focusing or varying magnification
08adapted to co-operate with a remote control mechanism
G02B 7/10
GPHYSICS
02OPTICS
BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
7Mountings, adjusting means, or light-tight connections, for optical elements
02for lenses
04with mechanism for focusing or varying magnification
10by relative axial movement of several lenses, e.g. of varifocal objective lens
Applicants
  • OPTOTUNE CONSUMER AG [CH]/[CH]
Inventors
  • BÜELER, Michael
  • SMOLKA, Stephan
  • HAASE, Johannes
  • VERLANGEN, Matthieu
Agents
  • SCHULZ JUNGHANS PATENTANWÄLTE PARTGMBB
Priority Data
18248266.128.12.2018EP
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) AN OPTICAL SYSTEM COMPRISING A LENS WITH AN ADJUSTABLE FOCAL LENGTH
(FR) SYSTÈME OPTIQUE COMPRENANT UNE LENTILLE AYANT UNE LONGUEUR FOCALE RÉGLABLE
Abstract
(EN)
The invention relates to an optical system (1) comprising a solid lens barrel (2) for optical elements (3), wherein the lens barrel (2) extends along an optical axis (100) of the optical system (100), the lens barrel (2) holding a plurality of optical elements (3), the plurality comprising a lens system (5), comprising at least one solid lens (53), and a first lens (6) having an adjustable focal length, wherein the first lens (6) comprises a container (62) filled with a transparent fluid, wherein the container (62) comprises an elastically deformable and transparent membrane (61) facing a transparent bottom portion (67) of the container (62), wherein the lens barrel (2) has a first and a second opening (22, 22') facing along the optical axis (100), wherein the first and/or the second opening (22, 22') is configured to receive the lens system (5), wherein the lens barrel (2) has a first slot (24) extending perpendicular to the optical axis (100), wherein the first lens (6) is inserted through the first slot (24) perpendicular the optical axis (100) into the lens barrel (2). The invention further relates to method of assembly of such an optical system (1).
(FR)
L'invention concerne un système optique (1) comprenant un barillet de lentille (2) solide pour des éléments optiques (3), le barillet de lentille (2) s'étendant le long d'un axe optique (100) du système optique (1). Le barillet de lentille (2) contient une pluralité d'éléments optiques (3), la pluralité comprenant un système de lentilles (5), comprenant au moins une lentille solide (53) et une première lentille (6) ayant une longueur focale réglable. La première lentille (6) comprend un récipient (62) rempli d'un fluide transparent, le récipient (62) comprenant une membrane élastiquement déformable et transparente (61) faisant face à une partie inférieure transparente (67) du récipient (62). Le barillet de lentille (2) a une première et une seconde ouverture (22, 22') faisant face le long de l'axe optique (100), la première et/ou la seconde ouverture (22, 22') étant configurées pour recevoir le système de lentilles (5), le barillet de lentille (2) ayant une première fente (24) s'étendant perpendiculairement à l'axe optique (100), la première lentille (6) étant insérée à travers la première fente (24) perpendiculaire à l'axe optique (100) dans le barillet de lentille (2). La présente invention concerne un procédé d'assemblage d'un tel système optique (1).
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