The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 29, 2019
Filed:
Dec. 09, 2016
Oculus Optikgeraete Gmbh, Wetzlar, DE;
Carsten Feiertag, Hungen, DE;
OCULUS OPTIKGERAETE GMBH, Wetzlar, DE;
Abstract
The invention relates to a trial frame for determining the subjective refraction of a subject, comprising two lens holder devices for receiving lenses, a bridge, which adjustably connects the lens holder devices, a nose rest device having a pivotable and height-adjustable nose rest and two temples, which are adjustable in length and height, the trial frame comprising two polarization filter devices, the polarization filter devices having a circular or a linear polarization filter, a pivot for pivoting the circular or linear polarization filter in and out in front of the lens holder device, and a rotating device for rotating the polarization filter in front of the lens holder device, the polarization filter devices each being removably attachable to the lens holder devices.