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1. WO2011101130 - IMAGING SYSTEM

Publication Number WO/2011/101130
Publication Date 25.08.2011
International Application No. PCT/EP2011/000739
International Filing Date 16.02.2011
Chapter 2 Demand Filed 11.10.2011
IPC
G02B 15/00 2006.1
GPHYSICS
02OPTICS
BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
15Optical objectives with means for varying the magnification
G02F 1/29 2006.1
GPHYSICS
02OPTICS
FDEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH IS MODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THE DEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY, COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g. SWITCHING, GATING, MODULATING OR DEMODULATING; TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF; FREQUENCY-CHANGING; NON-LINEAR OPTICS; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
1Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
29for the control of the position or the direction of light beams, i.e. deflection
G02F 1/31 2006.1
GPHYSICS
02OPTICS
FDEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH IS MODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THE DEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY, COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g. SWITCHING, GATING, MODULATING OR DEMODULATING; TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF; FREQUENCY-CHANGING; NON-LINEAR OPTICS; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
1Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
29for the control of the position or the direction of light beams, i.e. deflection
31Digital deflection devices
G02B 13/00 2006.1
GPHYSICS
02OPTICS
BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
13Optical objectives specially designed for the purposes specified below
CPC
G02B 15/00
GPHYSICS
02OPTICS
BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
15Optical objectives with means for varying the magnification
G02B 26/08
GPHYSICS
02OPTICS
BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
26Optical devices or arrangements using movable or deformable optical elements for controlling the intensity, colour, phase, polarisation or direction of light, e.g. switching, gating, modulating
08for controlling the direction of light
G02F 1/133371
GPHYSICS
02OPTICS
FDEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH IS MODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THE DEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY, COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g. SWITCHING, GATING, MODULATING OR DEMODULATING; TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF; FREQUENCY-CHANGING; NON-LINEAR OPTICS; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
1Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
01for the control of the intensity, phase, polarisation or colour 
13based on liquid crystals, e.g. single liquid crystal display cells
133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
1333Constructional arrangements; ; Manufacturing methods
133371Cells with varying thickness of the liquid crystal layer
G02F 1/29
GPHYSICS
02OPTICS
FDEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH IS MODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THE DEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY, COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g. SWITCHING, GATING, MODULATING OR DEMODULATING; TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF; FREQUENCY-CHANGING; NON-LINEAR OPTICS; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
1Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
29for the control of the position or the direction of light beams, i.e. deflection
G02F 1/294
GPHYSICS
02OPTICS
FDEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH IS MODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THE DEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY, COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g. SWITCHING, GATING, MODULATING OR DEMODULATING; TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF; FREQUENCY-CHANGING; NON-LINEAR OPTICS; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
1Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
29for the control of the position or the direction of light beams, i.e. deflection
294Variable focal length devices
G02F 1/31
GPHYSICS
02OPTICS
FDEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH IS MODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THE DEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY, COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g. SWITCHING, GATING, MODULATING OR DEMODULATING; TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF; FREQUENCY-CHANGING; NON-LINEAR OPTICS; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
1Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
29for the control of the position or the direction of light beams, i.e. deflection
31Digital deflection, ; i.e. optical switching
Applicants
  • JOS. SCHNEIDER OPTISCHE WERKE GMBH [DE]/[DE] (AllExceptUS)
  • WANG, Lingli [NL]/[DE] (UsOnly)
Inventors
  • WANG, Lingli
Agents
  • KÖLLNER, Malte
Priority Data
10 2010 008 342.917.02.2010DE
Publication Language German (de)
Filing Language German (DE)
Designated States
Title
(DE) ABBILDUNGSSYSTEM
(EN) IMAGING SYSTEM
(FR) SYSTÈME DE REPRÉSENTATION
Abstract
(DE) Es wird ein Abbildungssystem (100) zum Abbilden eines Objekts auf einen Bildsensor (112) vorgeschlagen, welches eine dem Objekt zugewandte Frontseite (102) sowie eine vom Objekt abgewandte Rückseite (104) aufweist, die vom Objekt aus betrachtet hinter der Frontseite (102) angeordnet ist. Weiterhin weist das Abbildungssystem (100) eine Lichteintritts-Einrichtung (200) an der Frontseite (102) auf, durch welche vom Objekt kommendes Licht in das Abbildungssystem (100) eintreten kann. Das Licht durchläuft dabei den Strahlengang (120) zwischen Objekt und Bildsensor (112). Ebenfalls sind mindestens ein erstes und ein zweites optisches Element (114, 202) vorhanden, welche derart an der Rückseite angeordnet sind, dass sie den Strahlengang (120) beeinflussen können. Die Lichteintritts-Einrichtung (200) weist ein elektrisch schaltbares Flüssigkristall-Element (300) auf, welches den Strahlengang (120; 204) je nach elektrischem Schaltungszustand unter mindestens einem ersten Winkel (322) und einem zweiten, vom ersten unterschiedlichen Winkel (324) ablenkt. Durch diese elektrisch bewirkte Änderung des Strahlengangs (120, 204) wird eine diskret schaltbare Brennweitenänderung realisiert.
(EN) An imaging system (100) for imaging an object onto an image sensor (112) is proposed, which has a front side (102) facing the object and a rear side (104) facing away from the object, said rear side being arranged behind the front side (102) as viewed from the object. Furthermore, the imaging system (100) has a light entrance device (200) at the front side (102), through which light coming from the object can enter into the imaging system (100). In this case, the light traverses the beam path (120) between object and image sensor (112). At least one first and one second optical element (114, 202) are likewise present, which are arranged at the rear side in such a way that they can influence the beam path (120). The light entrance device (200) has an electrically switchable liquid crystal element (300), which deflects the beam path (120; 204) at at least one first angle (322) and a second angle (324), which is different from the first, depending on the electrical switching state. A discretely switchable focal length change is realized by this electrically effected change in the beam path (120, 204).
(FR) Un système de représentation (100) est proposé pour reproduire un objet sur un capteur vidéo (112), qui présente une face avant (102), tournée vers l'objet, ainsi qu'une face arrière (104), détournée de l'objet ; celle-là se trouve, vue de l'objet, derrière la face avant (102). De plus le système de représentation (100) présente un dispositif d'entrée de lumière (200) sur la face avant (102), par lequel la lumière venant de l'objet peut entrer dans le système de représentation (100). La lumière traverse ce faisant le trajet du faisceau (120) entre l'objet et le capteur vidéo (112). Il existe également au moins un premier et un deuxième élément optique (114, 202), qui sont disposés sur la face arrière de telle façon, qu'ils puissent influencer le trajet du faisceau (120). Le dispositif d'entrée de lumière (200) présente un élément à cristal liquide (300), commutable électriquement qui dévie le trajet du faisceau (120; 204) en fonction de l'état de commutation électrique sous au moins un premier angle (322) et un deuxième angle (324), différent du premier. Par cette modification, induite électriquement, du trajet du faisceau (120, 204) on réalise un changement de focale, commutable discrètement.
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