Wide-angle lens for elevator lift car

Wide-angle lens for elevator lift car

The utility model relates to a wide-angle lens for an elevator lift car in the field of wide-angle lenses. The wide-angle lens comprises a lens surface and a fixing frame, wherein the lens surface is spherical; at least three screw holes which are used to be fixedly connected with the fixing frame a...

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1. Verfasser: YIN XUEHAI
Format: Patent
Sprache:chi ; eng
Schlagworte:
ELEVATORS
ESCALATORS OR MOVING WALKWAYS
HAULING
HOISTING
LIFTING
OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
OPTICS
PERFORMING OPERATIONS
PHYSICS
TRANSPORTING
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creator YIN XUEHAI
description The utility model relates to a wide-angle lens for an elevator lift car in the field of wide-angle lenses. The wide-angle lens comprises a lens surface and a fixing frame, wherein the lens surface is spherical; at least three screw holes which are used to be fixedly connected with the fixing frame are formed on the inner side of the edge of the lens surface at intervals; and the fixing frame is fixedly connected to the inner wall of the corresponding elevator lift car. By the wide-angle lens, elevator passengers can view surrounding conditions in the lift car, so that the aims of finding potential safety hazards in advance and correspondingly preventing danger in advance are fulfilled.
format Patent
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subjects ELEVATORS
ESCALATORS OR MOVING WALKWAYS
HAULING
HOISTING
LIFTING
OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
OPTICS
PERFORMING OPERATIONS
PHYSICS
TRANSPORTING
title Wide-angle lens for elevator lift car
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