Title:
MARKER
Document Type and Number:
WIPO Patent Application WO/2017/150130
Kind Code:
A1
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. When viewed in a plan view, the second ridge lines or the second trough bottom lines are slanted with respect to the first ridge lines.
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Inventors:
SAITO TOMOHIRO
Application Number:
PCT/JP2017/004796
Publication Date:
September 08, 2017
Filing Date:
February 09, 2017
Export Citation:
Assignee:
ENPLAS CORP (JP)
International Classes:
B29C45/26
Foreign References:
| JP2011123154A | 2011-06-23 |
Other References:
See also references of EP 3424671A4
Attorney, Agent or Firm:
WASHIDA, Kimihito (JP)
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