Abstract: An electronic device and a method for protecting an equipment from voltage surge damage are provided. The method includes: electrically connecting an input terminal of a one-way pass circuit to a first equipment and electrically connecting an output terminal of the one-way pass circuit to a second equipment; electrically connecting an over-voltage check circuit to the output terminal and a regenerative resistor circuit, wherein the regenerative resistor circuit includes a resistor; detecting, by the over-voltage check circuit, a voltage of the output terminal; and electrically, by the over-voltage check circuit, connecting the output terminal to the resistor in response to the voltage being greater than a voltage threshold.

Abstract: A method for secure data transmission and a system using the same method are provided. The method includes: coupling a programmable logic device to a server; receiving a first data packet by the server; inputting the first data packet into a machine learning model to predict a protocol type and a command type of the first data packet by the server; verifying whether the protocol type and the command type are correct by the server; adding the first data packet to a data packet information set in response to the protocol type and the command type being correct by the server; generating a filtering rule according to the data packet information set and deploying the filtering rule in the programmable logic device by the server; and performing the secure data transmission according to the filtering rule by the programmable logic device.

Abstract: A battery powered system and a battery powered method are provided. The battery powered method includes: disposing a first power connector and a first magnet on a first connecting face of a first electronic device; and disposing a second power connector and a second magnet on a second connecting face of a first battery device, wherein the first power connector is connected to the second power connector in response to the first magnet and the second magnet being attached to each other, and the first battery device powers the first electronic device via the first power connector.

Abstract: A motor control system and a motor control method are provided. The motor control method includes: coupling a brushless direct current (BLDC) motor of the motor device to the motor controller via at least one wire, wherein the motor controller provides power to the BLDC motor via the at least one wire; and coupling a sensor of the motor device to the motor controller via the at least one wire, wherein the sensor generates sensed data, wherein the sensed data is transmitted to the motor controller via the at least one wire.

Abstract: A method of database replication and a database system using the same method are provided, wherein the method includes: coupling a switch to a first database and a filter, wherein the switch mirrors a data packet of the first database to the filter, wherein the filter adds a header to the data packet; and coupling a master receiver to the filter and a second database, wherein the master receiver receives the data packet from the filter and performs an inspection for the data packet according to the header, wherein the master receiver transmits the data packet to the second database in response to the data packet passing the inspection.

Abstract: A communication system and a communication method for reporting a compromised state in one-way transmission are provided. The communication method includes: receiving a packet by a first port; coupling an error checking circuit to the first port, wherein the error checking circuit checks a header of the packet; coupling a first unidirectional coupler to the first port and the error checking circuit, and coupling a second unidirectional coupler to the first port and the error checking circuit; in response to an error being in the header, disabling the first unidirectional coupler and the data inspection circuit and enabling the second unidirectional coupler by the error checking circuit; receiving the packet from the communication device by a receiving server; and in response to determining the received packet is incomplete by the receiving server, outputting the compromised state by the receiving server.

Abstract: A communication system and a communication method for one-way transmission are provided. The communication method includes: transmitting a filtering rule to a programmable logic device by a server; receiving a signal and obtaining data from the signal by the server; packing the data to generate at least one data packet by the server; transmitting the at least one data packet to the programmable logic device by the server; and determining, according to the filtering rule, whether to output the at least one data packet by the programmable logic device.

Abstract: A switch device is provided. The switch device includes a switch and a one-way link circuit, wherein the switch including a first port, a second port, and a third port. The third port coupled to the second port via a first path and coupled to the first port via a second path. An input terminal of the one-way link circuit is coupled to the first port.

Abstract: A communication system and a communication method for reporting a compromised state in one-way transmission are provided. The communication method includes: receiving a packet by a first port; coupling an error checking circuit to the first port, wherein the error checking circuit checks a header of the packet; coupling a first unidirectional coupler to the first port and the error checking circuit, and coupling a second unidirectional coupler to the first port and the error checking circuit; in response to an error being in the header, disabling the first unidirectional coupler and the data inspection circuit and enabling the second unidirectional coupler by the error checking circuit; receiving the packet from the communication device by a receiving server; and in response to determining the received packet is incomplete by the receiving server, outputting the compromised state by the receiving server.

Abstract: A communication system and a communication method for one-way transmission are provided.

Abstract: A communication method and a switch device for one-way transmission based on VLAN ID are provided. The communication method includes: receiving, by a first port of a switch, a first data packet from a first external device; packing the first data packet with a first VLAN ID corresponding to a first path to generate a second data packet; receiving, by a first PLD, the second data packet from a third port of the switch; filtering, by the first PLD, the second data packet according to a first filtering rule; in response to the second data packet being matched with the first filtering rule, overwriting the first VLAN ID by a second VLAN ID corresponding to a second path to generate a third data packet; and transmitting, by the first PLD, the third data packet to a second port of the switch via the second path.

Abstract: A communication method and a switch device for one-way transmission based on VLAN ID are provided. The communication method includes: receiving, by a first port of a switch, a first data packet from a first external device; packing the first data packet with a first VLAN ID corresponding to a first path to generate a second data packet; receiving, by a first PLD, the second data packet from a third port of the switch; filtering, by the first PLD, the second data packet according to a first filtering rule; in response to the second data packet being matched with the first filtering rule, overwriting the first VLAN ID by a second VLAN ID corresponding to a second path to generate a third data packet; and transmitting, by the first PLD, the third data packet to a second port of the switch via the second path.

Abstract: A communication system and a communication method for one-way transmission are provided. The communication method includes: receiving, by a router, a first synchronization message from a grandmaster clock; generating, by the router, a timestamp according to the first synchronization message; receiving, by the router, at least one data packet; transmitting, by the router, the at least one data packet and the timestamp to a programmable logic device; and outputting, by the programmable logic device, the at least one data packet and the timestamp.

Abstract: A communication system and a communication method for one-way transmission are provided. The communication method includes: transmitting a filtering rule to a programmable logic device by a server; receiving a signal and obtaining data from the signal by the server; packing the data to generate at least one data packet by the server; transmitting the at least one data packet to the programmable logic device by the server; and determining, according to the filtering rule, whether to output the at least one data packet by the programmable logic device.

Abstract: A switch device is provided. The switch device includes a switch and a one-way link circuit, wherein the switch including a first port, a second port, and a third port. The third port coupled to the second port via a first path and coupled to the first port via a second path. An input terminal of the one-way link circuit is coupled to the first port.