Title:
マーカ
Document Type and Number:
Japanese Patent JP6661407
Kind Code:
B2
Abstract:
The marker according to the present invention comprises: a first surface which has light transmissivity, and in which a plurality of cylindrical projection surfaces each having a first ridge line oriented in a first direction are arranged in a second direction that is perpendicular to the first direction; and a second surface which has a plurality of to-be-detected parts that are projected onto the plurality of projection surfaces, and a reflection part that is a region other than the to-be-detected parts and includes a plurality of depressions or a plurality of protrusions. The reflection part has either a plurality of depressions which are arranged such that second ridge lines are disposed periodically or a plurality of protrusions which are arranged such that second trough bottom lines are disposed periodically. The second ridge lines or the second trough bottom lines are slanted with respect to the first ridge lines.
Inventors:
Saito Kyokei
Application Number:
JP2016037340A
Publication Date:
March 11, 2020
Filing Date:
February 29, 2016
Export Citation:
Assignee:
Enplus Inc.
International Classes:
B29C33/42; G02B3/00; G02B3/06; G02B7/02
Domestic Patent References:
| JP2011123154A |
Attorney, Agent or Firm:
Washeda International Patent Office