Positional relationship detection device and positional relationship detection system
US10929629B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Dec 17, 2019 |
| Grant date | Feb 23, 2021 |
| Priority date | — |
| Expiry date | Dec 17, 2039 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06V20/52
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A positional relationship detection device that detects positional relationships among a plurality of types of articles displayed in a display shelf partitioned by a plurality of shelf boards is provided. Information codes with specific information recorded are arranged at respective positions at which respective types of articles are displayed, the specific information being configured to specify the types of the articles by using the shelf boards. A guide code with prescribed arrangement information recorded is disposed such that a rotation angle of the guide code becomes a prescribed angle with respect to the shelf boards, the prescribed arrangement information indicating that the guide code is an information code arranged such that rotation angle of the guide code with respect to the shelf boards becomes the prescribed angle.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.