Patents
- 祖乙 彭
- Feb 4, 2023
- 1 min read
1. USA Patent，SWITCH CONTROLLING SYSTEM AND SWITCH CONTROLLING METHOD OF SMART APPLIANCES，Number: 11,115,779， 2021
2. USA Patent，REMOTE ACCESS CONTROL SYSTEM FOR CONTROLLING DOOR LOCK TO UNLOCK REMOTELY，Number: 9,948,905 , 2018
3. USA Patent，DOOR-LOCK CONTROL METHOD，Number: 9,948,905，2018
4. USA Patent，DOORBELL-TRIGGERING METHOD，Number: 9,648,289, 2017
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