Patent ID: 11919162
Assignee: UBTECH ROBOTICS CORP LTD
Field: Furniture, games (Other fields)
Classification: CPC B  A  G | IPC A  B  G

Claim 13:
14. The modular device according to claim 11, wherein the first type connector comprises a first detection circuit, and each of the second type connectors comprises a second detection circuit;
the first detection circuit comprises a first control module that comprises a first power pin electrically connected to a power supply, an orientation detection pin electrically connected to the first detection terminal of the first type connector, a signal input pin and a signal output pin that are connected to the first signal terminal of the first type connector and the second signal terminals of the second type connectors, and a first ground pin that is grounded, and the first control module further comprises L voltage detection pins;
the second detection circuit comprises Q first voltage dividing resistors connected to one another successively, a first of the first voltage dividing resistors is connected to the power supply, and a last of the first voltage dividing resistors is grounded, O orientation detection terminals are respectively connected to O nodes between O pairs of adjacent ones of the first voltage dividing resistors, the O orientation detection terminals are respectively connected to the O second detection terminals of one corresponding second type connector, one of the O orientation detection terminals is connected to one of the L voltage detection pins of the first control module, and Q is greater than O;
when the first type connector of the first of the master building element and the slave building elements is engaged with one of the second type connectors of the second of the master building element and the slave building elements, the first control module is configured to determine an orientation of one of the second detection terminals of the one of the second type connectors, which is connected to the first detection terminal of the first type connector, according to a voltage value of the orientation detection pin of the first control module.