CN211740235U - 适用于视障群体室内行走路径规划的微型可穿戴式设备 - Google Patents
适用于视障群体室内行走路径规划的微型可穿戴式设备 Download PDFInfo
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CN201921919036.4U CN211740235U (zh) | 2019-11-08 | 2019-11-08 | 适用于视障群体室内行走路径规划的微型可穿戴式设备 |
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GR01 | Patent grant | ||
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EE01 | Entry into force of recordation of patent licensing contract | ||
EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Xuzhou matrix Photoelectric Technology Co.,Ltd. Assignor: Jiangsu Normal University Contract record no.: X2020980009600 Denomination of utility model: Micro wearable device for indoor walking path planning of visually impaired Group Granted publication date: 20201023 License type: Common License Record date: 20201218 |
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EC01 | Cancellation of recordation of patent licensing contract | ||
EC01 | Cancellation of recordation of patent licensing contract |
Assignee: Xuzhou matrix Photoelectric Technology Co.,Ltd. Assignor: Jiangsu Normal University Contract record no.: X2020980009600 Date of cancellation: 20220919 |
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CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201023 Termination date: 20211108 |