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1. WO1996006378 - HEAD MOUNTED DISPLAY AND VIEWING SYSTEM USING A REMOTE RETRO-REFLECTOR AND METHOD OF DISPLAYING AND VIEWING AN IMAGE

Publication Number WO/1996/006378
Publication Date 29.02.1996
International Application No. PCT/US1995/007306
International Filing Date 07.06.1995
Chapter 2 Demand Filed 22.03.1996
IPC
G02B 5/30 2006.01
GPHYSICS
02OPTICS
BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
5Optical elements other than lenses
30Polarising elements
G02B 27/00 2006.01
GPHYSICS
02OPTICS
BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
27Optical systems or apparatus not provided for by any of the groups G02B1/-G02B26/119
G02B 27/01 2006.01
GPHYSICS
02OPTICS
BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
27Optical systems or apparatus not provided for by any of the groups G02B1/-G02B26/119
01Head-up displays
CPC
G02B 2027/0132
GPHYSICS
02OPTICS
BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
27Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
01Head-up displays
0101characterised by optical features
0132comprising binocular systems
G02B 2027/0136
GPHYSICS
02OPTICS
BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
27Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
01Head-up displays
0101characterised by optical features
0132comprising binocular systems
0136with a single image source for both eyes
G02B 2027/0138
GPHYSICS
02OPTICS
BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
27Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
01Head-up displays
0101characterised by optical features
0138comprising image capture systems, e.g. camera
G02B 2027/0143
GPHYSICS
02OPTICS
BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
27Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
01Head-up displays
0101characterised by optical features
0143the two eyes not being equipped with identical nor symmetrical optical devices
G02B 2027/0178
GPHYSICS
02OPTICS
BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
27Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
01Head-up displays
017Head mounted
0178Eyeglass type, eyeglass details G02C
G02B 27/0172
GPHYSICS
02OPTICS
BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
27Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
01Head-up displays
017Head mounted
0172characterised by optical features
Applicants
  • FERGASON, James, L. [US/US]; US
Inventors
  • FERGASON, James, L.; US
Agents
  • SKLAR, Warren, A.; Renner, Otto, Boisselle & Sklar, P.L.L. 19th floor 1621 Euclid Avenue Cleveland, OH 44115, US
Priority Data
08/295,38324.08.1994US
08/383,46603.02.1995US
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) HEAD MOUNTED DISPLAY AND VIEWING SYSTEM USING A REMOTE RETRO-REFLECTOR AND METHOD OF DISPLAYING AND VIEWING AN IMAGE
(FR) SYSTEME D'AFFICHAGE ET DE VISUALISATION PORTE SUR LA TETE UTILISANT UN RETROREFLECTEUR SITUE A DISTANCE ET PROCEDE D'AFFICHAGE ET DE VISUALISATION D'UNE IMAGE
Abstract
(EN)
A head mounted display system (10) includes focusing optics (21) to focus light from an image source (15), retro-reflector (23) and beamsplitter (22), the image source (15) and beamsplitter (22) directing light toward the retro-reflector (23) to focus a real image, and the light reflected from the retro-reflector (23) being directed via the beamsplitter (22) for viewing, thereby to use conjugate optics effectively to place the viewing eye (13) or detector in relation to the image source (15) the same as the relation of the focusing optics (21) to the image source (15). The retro-reflector (23) may be mounted on a common housing (11) or support with the beamsplitter (22) and focusing optics (21) or it may be remotely located. A method for forming an image using conjugate optics in which light from a source (15) is focused to form a real image at a retro-reflector (23) and is reflected for viewing.
(FR)
Système (10) d'affichage monté sur la tête qui comprend une optique de focalisation (21) destinée à focaliser de la lumière provenant d'une source (15) d'images, un rétroréflecteur (23) et un diviseur (22) de faisceaux, la source (15) d'images et le diviseur (22) de faisceaux dirigeant la lumière vers le rétroréflecteur (23) pour focaliser une image réelle, et la lumière réfléchie par le rétroréflecteur (23) étant dirigée via le diviseur (22) de faisceaux en vue de la visualisation. Ledit système utilise des optiques conjuguées pour placer effectivement l'oeil (13) qui visualise ou le détecteur en relation à la source (15) d'images de la même façon que l'optique de focalisation (21) en relation avec la source (15) d'images. Ledit rétroréflecteur (23) peut être monté sur un boîtier (11) ou support ordinaire avec le diviseur (22) de faisceaux et l'optique de focalisation (21) ou peut être placé à distance. Un procédé permettant de former une image en utilisant des optiques conjuguées, selon lequel de la lumière provenant d'une source (15) est focalisée pour former une image réelle au niveau d'un rétroréflecteur (23) et est réfléchie en vue de la visualisation, est également décrit.
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