# US 9,520,676 B1 · Communication connector > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 9,520,676 B1 - Document ID: US9520676B1 - Status: Granted - Kind: B1 - Application number: 14/924,883 - Filed: 2015-10-28 - Granted: 2016-12-13 - Earliest claimed: 2015-10-28 - Assignees: Surtec Industries Inc. - Applicants: Surtec Industries Inc. - Inventors: Chou-Hsing Chen - Web page: https://patentgrep.com/patent/US9520676B1 ## CPC - H01R 29/00: Coupling parts for selective co-operation with a counterpart in different ways to establish different circuits, e.g. for voltage selection, for series-parallel selection, {programmable connectors} - H01R 24/64: for high frequency, e.g. RJ 45 - H01R 13/6466: on substrates, e.g. printed circuit boards [PCB] - H01R 13/703: operated by engagement or disengagement of coupling parts, {e.g. dual-continuity coupling part}(H01R13/71 takes precedence) - H01R: ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS ## Abstract A communication connector is provided which can selectively provide compensation to the electrical circuits thereof. The communication connector includes a housing, a circuit board arrangement, contacts and a switchable device. The circuit board arrangement is disposed in the housing and includes electrical circuits and contact pads electrically connected to each other; the contacts is disposed at the circuit board arrangement and electrically connected to the electrical circuits respectively; the switchable device is movable in relative to the circuit board arrangement and has a compensation circuit board and switching contacts electrically connected to each other. The switchable device can be selectively moved to a predetermined position to enable the switching contacts to make contact with the contact pads respectively and enable the compensation circuit board to electrically connect to the electrical circuits. ## Claims ### Claim 1 A RJ45 communication connector, comprising: a housing; a circuit board arrangement, disposed in the housing and comprising a plurality of electrical circuits and a plurality of contact pads which are electrically connected to the electrical circuits respectively; a plurality of contacts, disposed at the circuit board arrangement and electrically connected to the electrical circuits respectively; and a switchable device which is movable in relative to the circuit board arrangement, and the switchable device comprising a compensation circuit board and a plurality of switching contacts electrically connected to the compensation circuit board; wherein the switchable device is configured to selectively move to a predetermined position to enable the switching contacts to make contact with the contact pads respectively and enable the compensation circuit board to electrically connect to the electrical circuits. ### Claim 2 (depends on 1) The RJ45 communication connector according to claim 1, wherein the compensation circuit board is configured to provide a compensation coupling to the electrical circuits when the switchable device moves to the predetermined position, so as to change an coupling of the electrical circuits. ### Claim 3 (depends on 2) The RJ45 communication connector according to claim 2 is implemented as a communication plug. ### Claim 4 (depends on 3) The RJ45 communication connector according to claim 3, wherein the compensation circuit board comprises an actuating tab which protrudes from a lateral surface of the housing. ### Claim 5 (depends on 3) The RJ45 communication connector according to claim 3, wherein the circuit board arrangement comprises a main circuit board where the contact pads and the contacts are disposed, and the main circuit board is spaced apart from the compensation circuit board, and the switching contacts are located between the main circuit board and the compensation circuit board. ### Claim 6 (depends on 3) The RJ45 communication connector according to claim 3, wherein the housing comprises a fitting on a lateral surface of the housing. ### Claim 7 (depends on 6) The RJ45 communication connector according to claim 6, wherein the fitting is a recess. ### Claim 8 (depends on 2) The RJ45 communication connector according to claim 2 is implemented as a communication jack. ### Claim 9 (depends on 8) The RJ45 communication connector according to claim 8, wherein the housing includes a plug socket and the contacts are located within the plug socket, and the switchable device further comprises an actuating structure which is fixed to the compensation circuit board and located within the plug socket. ### Claim 10 (depends on 9) The RJ45 communication connector according to claim 9, wherein the actuating structure comprises a fitting on a front edge of the actuating structure. ### Claim 11 (depends on 10) The RJ45 communication connector according to claim 10, wherein the fitting is a protrusion. ### Claim 12 (depends on 9) The RJ45 communication connector according to claim 9, wherein the plug socket comprises a recess formed on a lateral surface of the plug socket. ### Claim 13 (depends on 9) The RJ45 communication connector according to claim 9, wherein the circuit board arrangement comprises a main circuit board where the contact pads and the contacts are disposed, and the main circuit board is located between the actuating structure and the compensation circuit board; the switching contacts are located between the compensation circuit board and the main circuit board. ### Claim 14 (depends on 13) The RJ45 communication connector according to claim 13, wherein the main circuit board comprises a slot, and the switchable device further comprises a post which passes through the slot and fixes the actuating structure and the compensation circuit board. ### Claim 15 (depends on 8) The RJ45 communication connector according to claim 8, further comprising a plurality of insulation displacement contacts which are electrically connected to the electrical circuits respectively.