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1. WO1996004581 - PROCESS AND DEVICE FOR DISPLAYING OPTICAL TEST OBJECTS

Publication Number WO/1996/004581
Publication Date 15.02.1996
International Application No. PCT/EP1995/002873
International Filing Date 21.07.1995
IPC
A61B 3/032 2006.01
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
BDIAGNOSIS; SURGERY; IDENTIFICATION
3Apparatus for testing the eyes; Instruments for examining the eyes
02Subjective types, i.e. testing apparatus requiring the active assistance of the patient
028for testing visual acuity; for determination of refraction, e.g. phoropters
032Devices for presenting test symbols or characters, e.g. test chart projectors
CPC
A61B 3/032
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
BDIAGNOSIS; SURGERY; IDENTIFICATION
3Apparatus for testing the eyes; Instruments for examining the eyes
02Subjective types, i.e. testing apparatus requiring the active assistance of the patient
028for testing visual acuity; for determination of refraction, e.g. phoropters
032Devices for presenting test symbols or characters, e.g. test chart projectors
Applicants
  • OCULUS OPTIKGERÄTE GMBH [DE/DE]; Dutenhofen Münchholzhäuser Strasse 29 D-35582 Wetzlar, DE (AllExceptUS)
  • KÖST, Gert [DE/DE]; DE (UsOnly)
Inventors
  • KÖST, Gert; DE
Priority Data
P 44 26 877.729.07.1994DE
Publication Language German (DE)
Filing Language German (DE)
Designated States
Title
(DE) ANORDNUNG UND VERFAHREN ZUR DARSTELLUNG VON SEHZEICHEN
(EN) PROCESS AND DEVICE FOR DISPLAYING OPTICAL TEST OBJECTS
(FR) PROCEDE ET DISPOSITIF DE VISUALISATION D'OPTOTYPES
Abstract
(DE)
In einem Sehtestgerät wird ein Digital Mirror Display (DMD) derart angebracht, daß durch direkte Betrachtung oder mittels Projektion Sehzeichen von hoher Güte dargeboten werden können.
(EN)
A digital mirror display (DMD) is arranged in an optical test apparatus for visualising high quality optical test objects by direct observation or projection.
(FR)
Dans un appareil de contrôle de l'acuité visuelle, un miroir de visualisation numérique (DMD) permet de visualiser des optotypes de haute qualité par observation directe ou par projection.
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