# US 2024/0201764 A1 · System for long-distance power transmission and method of operating the same > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2024/0201764 A1 - Document ID: US20240201764A1 - Status: Published application - Kind: A1 - Application number: 18/510,054 - Filed: 2023-11-15 - Published: 2024-06-20 - Earliest claimed: 2022-12-19 - Assignees: Bks Tec Corp. - Applicants: Bks Tec Corp. - Inventors: CHENG HSIANG CHEN; YIH SHYANG HER; HSIN TSE TSAI - Web page: https://patentgrep.com/patent/US20240201764A1 ## CPC - G06F 1/266: {Arrangements to supply power to external peripherals either directly from the computer or under computer control, e.g. supply of power through the communication port, computer controlled power-strips} - G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N) ## Abstract A system and a method for data and power transmission including a receive dongle device are proposed. The receive dongle device includes: a receive handshake controller configured to determine a first voltage of a first power signal, the first power signal configured to be transmitted from a source device to a sink device; a receive input port configured to receive a second power signal having a second voltage different from the first voltage; and a receive voltage converter configured to convert the second power signal to a third power signal having the first voltage and to provide the third power signal to the sink device. ## Claims ### Claim 1 A system for power transmission, comprising: a receive dongle device, including: a receive handshake controller configured to determine a first voltage of a first power signal, the first power signal configured to be transmitted from a source device to a sink device; a receive input port configured to receive a second power signal having a second voltage different from the first voltage; and a receive voltage converter configured to convert the second power signal to a third power signal having the first voltage and to provide the third power signal to the sink device. ### Claim 2 (depends on 1) The system of claim 1, further comprising a power line connected between the source device and the sink device, and configured to transmit the second power signal. ### Claim 3 (depends on 2) The system of claim 2, further comprising: a transmit dongle device, including: a transmit input port configured to receive the first power signal from the source device; a transmit handshake controller configured operate with the receive handshake controller to determine the second voltage; and a transmit voltage converter configured to convert the first power signal to the second power signal having a third voltage. ### Claim 4 (depends on 3) The system of claim 3, wherein the second voltage is greater than the first voltage. ### Claim 5 (depends on 4) The system of claim 4, wherein the third voltage is greater than the second voltage. ### Claim 6 (depends on 4) The system of claim 4, further comprising a transmission line assembly connected between the transmit dongle device and the receive dongle device, wherein the power line is included in the transmission line assembly. ### Claim 7 (depends on 6) The system of claim 6, wherein the transmission line assembly further comprises a signal line configured to transmit a first data signal. ### Claim 8 (depends on 7) The system of claim 7, wherein the first data signal is an optical signal. ### Claim 9 (depends on 2) The system of claim 2, further comprising a memory device configured to store a current limit of the power line, wherein the receive handshake controller is configured to determine whether power delivery between the source device and the sink device is authorized based on the current limit. ### Claim 10 (depends on 9) The system of claim 9, wherein the second voltage is less than the first voltage. ### Claim 11 A method, comprising: performing a handshake operation between a source device and a sink device to determine a first voltage; detecting, in response to power being received from a power line, a first power signal having a second voltage; converting the first power signal to a second power signal having the first voltage; and providing the second power signal to the sink device. ### Claim 12 (depends on 11) The method of claim 11, wherein the first voltage is less than the second voltage. ### Claim 13 (depends on 11) The method of claim 11, further comprising: performing the handshake operation further to determine a third voltage different from the first voltage; providing a third power signal having the first voltage by the source device; converting the third power signal to a fourth power signal having the third voltage; and transmitting the fourth power signal to the power line. ### Claim 14 (depends on 13) The method of claim 13, wherein the performing of the handshake operation to determine the third voltage comprises performing the handshake operation between a transmit handshake controller and a receive handshake controller arranged at a first end and a second end, respectively, of the power line. ### Claim 15 (depends on 13) The method of claim 13, wherein the converting of the third power signal to the fourth power signal is performed based on information of a maximal current limit and a resistance associated with the power line. ### Claim 16 (depends on 15) The method of claim 15, further comprising receiving the information of the maximal current limit and the resistance associated with the power line from a marker device. ### Claim 17 (depends on 11) The method of claim 11, further comprising terminating a connection between the source device and the sink device in response to determining that a maximal power loss is greater than a power difference between a first power level supported by the source device and a second power level requested by the sink device. ### Claim 18 (depends on 11) The method of claim 11, wherein the detecting of the first power signal further comprises detecting a first data signal through a signal line. ### Claim 19 (depends on 18) The method of claim 18, wherein the first data signal is an optical signal. ### Claim 20 (depends on 11) The method of claim 11, wherein the converting of the first power signal to the second power signal is performed based on a look-up table of support voltages, including the first voltage, of the power line.