# US 11,308,014 B1 · Bi-directional signal transmission connection cable > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,308,014 B1 - Document ID: US11308014B1 - Status: Granted - Kind: B1 - Application number: 17/220,410 - Filed: 2021-04-01 - Published: 2022-04-21 - Granted: 2022-04-19 - Earliest claimed: 2020-10-15 - Assignees: Lerain Technology Co., Ltd. - Applicants: LeRain Technology Co., Ltd. - Inventors: Miaobin Gao - Web page: https://patentgrep.com/patent/US11308014B1 ## CPC - G06F 13/4004: {Coupling between buses} - G06F 13/4045: {where the bus bridge performs an extender function} - G06F 13/4072: {Drivers or receivers (G06F13/4086 takes precedence; for multistate logic circuits H03K19/0002)} - G06F 13/38: Information transfer, e.g. on bus (G06F13/14 takes precedence) - G06F 13/42: Bus transfer protocol, e.g. handshake; Synchronisation - G06F 2213/00: Indexing scheme relating to interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units - G06F 2213/0042: Universal serial bus [USB] - G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N) ## Abstract A bi-directional signal transmission connection cable is disclosed. The bi-directional signal transmission connection cable can be connected between a first and a second electronic device. The bi-directional signal transmission connection cable includes a first connection port, a second connection port, a first repeater chip, a second repeater chip and a plurality of transmission wires. The first and the second repeater chips are symmetrically disposed in the first and the second connection ports. The first repeater chip has a first set of adjustment parameters, and the second repeater chip has a second set of adjustment parameters. Thus, when a signal is transmitted between the first and the second electronic devices via the first connection port, the second connection port, and the plurality of transmission wires, the signal is adjusted by the first set of adjustment parameters and the second set of adjustment parameters. ## Claims ### Claim 1 A bi-directional signal transmission connection cable used for connecting between a first electronic device and a second electronic device, the bi-directional signal transmission connection cable comprising: a first connection port, wherein a first side and a second side of the first connection port each have two sets of connection pins to be electrically connected to the first electronic device; a second connection port, wherein a first side and a second side of the second connection port each have two sets of connection pins to be electrically connected to the second electronic device; a first repeater chip, disposed at the first side of the first connection port; a second repeater chip, disposed at the first side of the second connection port, wherein the first repeater chip and the second repeater chip are symmetrically arranged in the first connection port and the second connection port, the first repeater chip has a first set of adjustment parameters, and the second repeater chip has a second set of adjustment parameters, wherein the first set of adjustment parameters comprises a first forward adjustment parameter and a first reverse adjustment parameter, and the second set of adjustment parameters comprises a second forward adjustment parameter and a second reverse adjustment parameter, wherein each adjustment parameter includes at least a gain adjustment parameter and an equalization adjustment parameter; and a plurality of transmission wires, including a first set of transmission wires, a second set of transmission wires, a third set of transmission wires, and a fourth set of transmission wires and connected between the first repeater chip and the second repeater chip; wherein: the first side of the first connection port and the second side of the second connection port are each connected to two sets of transmission wires via two sets of internal pins; the first repeater chip of the first side of the first connection port is connected to the second side of the second connection port via two sets of transmission wires; and the second side of the first connection port and the first side of the second connection port are each connected to two sets of transmission wires via two sets of internal pins; the second side of the first connection port is connected to the second repeater chip of the first side of the second connection port via two sets of transmission wires; thus, when a signal is transmitted between the first electronic device and the second electronic device via the first connection port, the second connection port, and the plurality of transmission wires, the signal is adjusted by the first set of adjustment parameters and the second set of adjustment parameters, wherein the plurality of transmission wires. ### Claim 2 (depends on 1) The bi-directional signal transmission connection cable as claimed in claim 1, wherein the first connection port and the second connection port have at least one through hole, and the signal is transmitted from any one connection port to another connection port via two through holes. ### Claim 3 A bi-directional signal transmission connection cable, used for connecting between a first electronic device and a second electronic device, the bi-directional signal transmission connection cable comprising: a first connection port, wherein a first side and a second side of the first connection port each have two sets of connection pins to be electrically connected to the first electronic device; a second connection port, wherein a first side and a second side of the second connection port each have two sets of connection pins to be electrically connected to the second electronic device: a first repeater chip, disposed at the first side of the first connection port; a second repeater chip, disposed at the first side of the second connection port; wherein the first repeater chip and the second repeater chip are symmetrically arranged in the first connection port and the second connection port, the first repeater chip has a first set of adjustment parameters, and the second repeater chip has a second set of adjustment parameters, wherein the first set of adjustment parameters comprises a first forward adjustment parameter and a first reverse adjustment parameter, and the second set of adjustment parameters comprises a second forward adjustment parameter and a second reverse adjustment parameter, wherein each adjustment parameter includes at least a gain adjustment parameter and an equalization adjustment parameter; and a plurality of transmission wires, including a first set of transmission wires, a second set of transmission wires, a third set of transmission wires, and a fourth set of transmission wires and connected between the first repeater chip and the second repeater chip; wherein the first side of the first connection port and the first side of the second connection port are connected to four sets of transmission wires via four sets of internal pins respectively, the first connection port and the second connection port have at least one through hole, and the signal is transmitted from any one connection port to another connection port via the through hole once; thus, when a signal is transmitted between the first electronic device and the second electronic device via the first connection port, the second connection port, and the plurality of transmission wires, the signal is adjusted by the first set of adjustment parameters and the second set of adjustment parameters, wherein the plurality of transmission wires. ### Claim 4 (depends on 3) The bi-directional signal transmission connection cable as claimed in claim 3, wherein a positive channel and a negative channel of the four sets of transmission wires are cross-connected to the internal pin of another connection port. ### Claim 5 A bi-directional signal transmission connection cable used for connecting between a first electronic device and a second electronic device, the bi-directional signal transmission connection cable comprising: a first connection port, wherein a first side and a second side of the first connection port each have two sets of connection pins to be electrically connected to the first electronic device; a second connection port, wherein a first side and a second side of the second connection port each have two sets of connection pins to be electrically connected to the second electronic device: a first repeater chip, disposed at the first side of the first connection port; a second repeater chip, disposed at the first side of the second connection port, wherein the first repeater chip and the second repeater chip are symmetrically arranged in the first connection port and the second connection port, the first repeater chip has a first set of adjustment parameters, and the second repeater chip has a second set of adjustment parameters, wherein the first set of adjustment parameters comprises a first forward adjustment parameter and a first reverse adjustment parameter, and the second set of adjustment parameters comprises a second forward adjustment parameter and a second reverse adjustment parameter, wherein each adjustment parameter includes at least a gain adjustment parameter and an equalization adjustment parameter; a plurality of transmission wires, including a first set of transmission wires, a second set of transmission wires, a third set of transmission wires, and a fourth set of transmission wires and connected between the first repeater chip and the second repeater chip, wherein the first side of the first connection port and the second side of the second connection port are each connected to two sets of transmission wires via two sets of internal pins; the second side of the first connection port and the first side of the second connection port are each connected to two sets of transmission wires via two sets of internal pins; a third repeater chip, disposed at the second side of the first connection port; and a fourth repeater chip, disposed at the second side of the second connection port, wherein the third repeater chip and the fourth repeater chip are symmetrically arranged with each other; thus, when a signal is transmitted between the first electronic device and the second electronic device via the first connection port, the second connection port, and the plurality of transmission wires, the signal is adjusted by the first set of adjustment parameters and the second set of adjustment parameters, wherein the plurality of transmission wires. ### Claim 6 (depends on 5) The bi-directional signal transmission connection cable as claimed in claim 5, wherein: the first repeater chip is connected to the fourth repeater chip via two sets of transmission wires; and the second repeater chip is connected to the third repeater chip via two sets of transmission wires. ### Claim 7 (depends on 5) The bi-directional signal transmission connection cable as claimed in claim 5, wherein: the third repeater chip has a third set of adjustment parameters which comprises a third forward adjustment parameter and a third reverse adjustment parameter; and the fourth repeater chip has a fourth set of adjustment parameters which comprises a fourth forward adjustment parameter and a fourth reverse adjustment parameter, wherein each adjustment parameter includes at least a gain adjustment parameter and an equalization adjustment parameter.