# US 12,601,502 B2 · Cooking appliance > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,601,502 B2 - Document ID: US12601502B2 - Status: Granted - Kind: B2 - Application number: 17/943,357 - Filed: 2022-09-13 - Published: 2023-05-04 - Granted: 2026-04-14 - Earliest claimed: 2021-10-28 - Assignees: LG Electronics Inc. - Applicants: LG Electronics Inc. - Inventors: Haemin Kim; Dongmin Lee - Web page: https://patentgrep.com/patent/US12601502B2 ## CPC - F24C 15/02: Doors specially adapted for stoves or ranges - F24C 7/085: {on baking ovens} - F24C 15/006: {Arrangements for circulation of cooling air} - H05B 6/6414: {Aspects relating to the door of the microwave heating apparatus} - H05B 6/642: {Cooling of the microwave components and related air circulation systems (H05B6/6473 takes precedence)} - H05B 6/6435: {Aspects relating to the user interface of the microwave heating apparatus} - H05B 6/76: Prevention of microwave leakage, e.g. door sealings - F24C: DOMESTIC STOVES OR RANGES (exclusively for solid fuels F24B); DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION - H05B: ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL ## Abstract A cooking appliance is provided that may include a main body having a cavity, and a door that opens and closes the cavity. The door may include a display module including a display unit disposed in front of the door, a cooling flow path unit disposed behind the display module and having formed therein a flow path through which air for cooling flows, a shielding unit disposed behind the cooling flow path unit and configured to shield electromagnetic waves generated in the main body, and a microphone mounted on a top of the display module. ## Claims ### Claim 1 A cooking appliance comprising a main body having a cavity, and a door that opens and closes the cavity, wherein the door includes: an outer panel forming an outer shape of the door; an inner panel disposed behind the outer panel and mounted on the outer panel; and a microphone mounted on a top of the door, wherein the microphone is disposed between the outer panel and the inner panel, and wherein the outer panel includes an upper plate having the microphone disposed on a lower side thereof, and configured to block the microphone from being exposed to the outside. ### Claim 2 (depends on 1) The cooking appliance of claim 1, wherein the outer panel includes at least one support configured to support the microphone, and wherein the inner panel includes a fixing member that protrudes from an end of the inner panel and contacts a portion of the microphone to fix a location of the microphone when the inner panel and the outer panel are coupled. ### Claim 3 (depends on 2) The cooking appliance of claim 2, wherein the at least one support is configured to support the microphone to maintain contact with a lower surface of the upper plate. ### Claim 4 (depends on 3) The cooking appliance of claim 3, wherein the at least one support includes: a pair of first supports configured to support both ends of the microphone; and a second support disposed between and spaced apart from the pair of first supports. ### Claim 5 (depends on 4) The cooking appliance of claim 4, wherein each of the pair of first supports includes: a first connection portion that protrudes from a lower surface of the upper plate and an inner wall of the outer panel; and a first guide rail that protrudes from the first connection portion, and having an upper surface spaced apart from the lower surface of the upper plate to form a space into which the microphone is fitted. ### Claim 6 (depends on 5) The cooking appliance of claim 5, wherein the second support includes: a second connection portion that protrudes from the lower surface of the upper plate and the inner wall of the outer panel; and a second guide rail that protrudes from the second connection portion, and having an upper surface formed to have a stepped portion with the second connection portion to form a space into which the microphone is fitted between the upper surface and the lower surface of the upper plate. ### Claim 7 (depends on 6) The cooking appliance of claim 6, wherein the microphone includes: a circuit board; a first buffering portion that is attached to a first surface of the circuit board and contacts the lower surface of the upper plate when the microphone is mounted on the outer panel; and a second buffering portion attached to a second surface of the circuit board and contacts the upper surface of the first guide rail when the microphone is mounted on the outer panel. ### Claim 8 (depends on 7) The cooking appliance of claim 7, wherein the first buffering portion extends over the entire first surface of the circuit board, and wherein the second buffering portion is disposed at a location corresponding to the first guide rail. ### Claim 9 (depends on 7) The cooking appliance of claim 7, wherein the circuit board includes apertures formed in both ends, and wherein the second buffering portion corresponds in shape to and surrounds an edge of the second aperture. ### Claim 10 (depends on 7) The cooking appliance of claim 7, wherein the first buffering portion is provided with a through hole that passes through the first buffering portion, and wherein the circuit board is provided with an insertion protrusion inserted into the through hole. ### Claim 11 (depends on 2) The cooking appliance of claim 2, wherein the fixing member includes: a first piece that protrudes from the inner panel and includes a portion that supports a side surface of the microphone; and a second piece that protrudes from the first piece and having a portion that supports a lower surface of the microphone. ### Claim 12 (depends on 11) The cooking appliance of claim 11, wherein a width of the second piece is smaller than a width of the first piece to form a stepped surface at a boundary between the first piece and the second piece, and wherein the stepped surface supports the side and lower surfaces of the microphone. ### Claim 13 (depends on 2) The cooking appliance of claim 2, wherein the door further includes: a display module including a display unit disposed on a front of the door on which videos or images are displayed; and a cooling flow path unit disposed behind the display module, and having formed therein a flow path through which air for cooling flows. ### Claim 14 (depends on 13) The cooking appliance of claim 13, wherein the display module further includes: a baffle that is disposed in front of the display unit, surrounds an edge of the display unit, and is coupled to the outer panel to mount the display unit on the outer panel; and a front cover that is disposed in front of the baffle and surrounds an edge of the baffle, wherein the door further includes a shielding unit disposed behind the cooling flow path unit, and configured to shield electromagnetic waves generated in the main body, and wherein the shielding unit includes a frame disposed behind the inner panel, coupled to the inner panel, and having one side rotatably coupled to the main body. ### Claim 15 (depends on 14) The cooking appliance of claim 14, wherein the door further includes: a first camera mounted on a lower portion of the outer panel to capture a state of a lower portion of the door; a second camera disposed on an upper portion of the door, mounted by passing through the baffle and the front cover, and configured to capture a state of a front of the door; and a third camera mounted on the frame, disposed to face the cavity, and configured to capture a state of the cavity. ### Claim 16 (depends on 15) The cooking appliance of claim 15, wherein the door further includes a human detector disposed on an upper portion of the door, mounted by passing through the baffle and the front cover, disposed at a location spaced apart from the second camera, and configured to detect a presence of a user in front of the cooking appliance. ### Claim 17 (depends on 1) The cooking appliance of claim 1, wherein the door further includes: a display module including a display unit disposed on a front of the door; a cooling flow path unit disposed behind the display module, and having formed therein a flow path through which air for cooling flows; a shielding unit disposed behind the cooling flow path unit and configured to shield electromagnetic waves generated in the main body; and the microphone, which is mounted on a top of the display module. ### Claim 18 (depends on 17) The cooking appliance of claim 17, wherein the display module includes: the display unit on which videos or images are displayed; the outer panel disposed behind the display unit, and on which the display unit is mounted; and the microphone which is mounted on a top of the outer panel. ### Claim 19 (depends on 1) The cooking appliance of claim 1, wherein the door further includes: a display module including a display unit disposed on a front of the door; a cooling flow path unit disposed behind the display module, and having formed therein a flow path through which air for cooling flows; and the microphone, which is mounted on a top of the display module, the microphone including a circuit board and buffers provided at first and second sides of the circuit board to prevent damage to the circuit board. ### Claim 20 (depends on 19) The cooking appliance of claim 19, wherein the display module includes: the display unit on which videos or images are displayed; the outer panel disposed behind the display unit, and on which the display unit is mounted; and the microphone which is mounted on a top of the outer panel.