Patent · US Active

Eye examining instrument

US9084540B2 · kind B2 · utility

1Cited by

1References

16Claims

0Family size

Assignee

Haag-Streit AG · CH

Inventors

Tobias Nef · Zuckenriet, CH
René Mueri · Herzogenbuchsee, CH
Philipp GLOOR · Köniz, CH
Urs Mosimann · Bern, CH

Key dates

Filing date	Aug 5, 2013
Grant date	Jul 21, 2015
Priority date	—
Expiry date	Sep 24, 2033

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61B3/10
WIPO fieldMedical technology
WIPO sectorInstruments

Abstract

An eye examining instrument comprises a projection device and a concave screen. The eye examining instrument furthermore comprises a convex reflector, wherein an image can be projected by the projection device onto the convex reflector and reflected by the convex reflector onto the concave screen.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.