# US 10,483,626 B2 · Electronic device using metal cover as antenna radiator > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,483,626 B2 - Document ID: US10483626B2 - Status: Granted - Kind: B2 - Application number: 16/287,054 - Filed: 2019-02-27 - Published: 2019-08-29 - Granted: 2019-11-19 - Earliest claimed: 2018-02-27 - Assignees: Samsung Electronics Co., Ltd. - Applicants: Samsung Electronics Co., Ltd. - Inventors: Jaehyung Kim; Jinu Kim; Jesun Moon - Web page: https://patentgrep.com/patent/US10483626B2 ## CPC - H01Q 1/243: {with built-in antennas} - G06F 1/1635: {Details related to the integration of battery packs and other power supplies such as fuel cells or integrated AC adapter} - G06F 1/1641: {the display being formed by a plurality of foldable display components (G06F1/1647 takes precedence)} - G06F 1/1643: {the display being associated to a digitizer, e.g. laptops that can be used as penpads (details related to the relative motion of the display enclosure with respect to the body enclosure, e.g. to move between laptop and tablet PC configuration G06F1/1615)} - G06F 1/1647: {including at least an additional display (G06F1/1692 takes precedence)} - G06F 1/1652: {the display being flexible, e.g. mimicking a sheet of paper, or rollable} - G06F 1/1656: {Details related to functional adaptations of the enclosure, e.g. to provide protection against EMI, shock, water, or to host detachable peripherals like a mouse or removable expansions units like PCMCIA cards, or to provide access to internal components for maintenance or to removable storage supports like CDs or DVDs, or to mechanically mount accessories (mounting of accessories to a computer display G06F1/1607; display hoods G06F1/1603; cooling arrangements for portable computers G06F1/203)} - G06F 1/1658: {related to the mounting of internal components, e.g. disc drive or any other functional module} - G06F 1/1681: {Details related solely to hinges (hinge details related to the transmission of signals or power are classified in G06F1/1683)} - G06F 1/1698: {the I/O peripheral being a sending/receiving arrangement to establish a cordless communication link, e.g. radio or infrared link, integrated cellular phone (details of antennas disposed inside a computer H01Q1/2266)} - H01Q 1/44: using equipment having another main function to serve additionally as an antenna {, e.g. means for giving an antenna an aesthetic aspect}(H01Q1/27 - H01Q1/34 take precedence) - H01Q 1/48: Earthing means; Earth screens; Counterpoises - H01Q 13/10: Resonant slot antennas - H01Q 21/28: Combinations of substantially independent non-interacting antenna units or systems {(multiple beam H01Q25/00)} - H04M 1/0249: {Details of the mechanical connection between the housing parts or relating to the method of assembly} - H04M 1/026: {Details of the structure or mounting of specific components} - H04M 1/0266: {for a display module assembly} - H04M 1/0277: {for a printed circuit board assembly} - G06F 1/1626: {with a single-body enclosure integrating a flat display, e.g. Personal Digital Assistants [PDAs]} - H01Q: ANTENNAS, i.e. RADIO AERIALS (radiators or antennas for microwave heating H05B6/72) - G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N) - H04M: TELEPHONIC COMMUNICATION (circuits for controlling other apparatus via a telephone cable and not involving telephone switching apparatus G08) ## Abstract An electronic device is provided. The electronic device includes a housing including a front plate and a back plate facing away from the front plate, a display positioned within the housing and exposed through the front plate, and a printed circuit board (PCB) interposed between the front plate and the back plate. The back plate includes a first conductive part having a quadrangular cutting elongated from a corner in the second direction, when viewed from above the back plate, a second conductive part positioned in the cutting, when viewed from above the back plate, and an insulating part of an L shape elongated between the first conductive part and the second conductive part, when viewed from above the back plate, and contacting the first conductive part and the second conductive part. ## Claims ### Claim 1 An electronic device comprising: a housing including a front plate and a back plate facing away from the front plate; a display positioned within the housing and exposed through the front plate; and a printed circuit board (PCB) interposed between the front plate and the back plate, wherein the back plate has a quadrangular shape including a first periphery elongated in a first direction, and a second periphery shorter than the first periphery and elongated in a second direction perpendicular to the first direction and includes: a first conductive part having a quadrangular cutting elongated from a corner in the second direction, when viewed from above the back plate, a second conductive part positioned in the cutting, when viewed from above the back plate, and an insulating part of an L shape elongated between the first conductive part and the second conductive part, when viewed from above the back plate, and contacting the first conductive part and the second conductive part, wherein the PCB includes: a first ground plane interposed between the first conductive part and the front plate, elongated in the second direction, and spaced apart from the second periphery, a second ground plane electrically connected with the first ground plane, and at least one radio frequency communication circuit electrically connected to a first point on the first ground plane adjacent to the first periphery and a second point on the first conductive part adjacent to the second periphery, wherein the second ground plane is elongated in the second direction parallel to the second conductive part between the second conductive part and the front plate, and wherein at least a portion of the second ground plane is elongated and is separated from an edge of the first ground plane by a slit elongated in the second direction along a portion of the insulating part. ### Claim 2 (depends on 1) The electronic device of claim 1, further comprising: a first flexible conductive member adjacent to at least one of the first periphery and the second periphery and positioned between the second ground plane and a third point on the second conductive part. ### Claim 3 (depends on 1) The electronic device of claim 1, further comprising: a second flexible conductive member positioned between the second ground plane and a fourth point of the second conductive part, which is positioned between the second point and the third point along the second periphery, when viewed from above the back plate. ### Claim 4 An electronic device comprising: a housing including a front plate and a back plate facing away from the front plate; a display positioned within the housing and exposed through the front plate; and at least one printed circuit board (PCB) interposed between the front plate and the back plate, wherein the back plate has a quadrangular shape including a first periphery elongated in a first direction, and a second periphery shorter than the first periphery and elongated in a second direction perpendicular to the first direction and includes: a first conductive part having a quadrangular cutting elongated from a corner of the back plate in the second direction, when viewed from above the back plate, a second conductive part positioned in the cutting, when viewed from above the back plate, and an insulating part of an L shape elongated between the first conductive part and the second conductive part, when viewed from above the back plate, and contacting the first conductive part and the second conductive part, wherein the at least one PCB includes: a first ground plane interposed between the first conductive part and the front plate, a second ground plane electrically connected with the first ground plane, and at least one radio frequency communication circuit electrically connected to a first point on the first ground plane adjacent to the first periphery, a second point on the second conductive part adjacent to at least one of the first periphery and the second periphery, and a third point on the first conductive part adjacent to the second periphery, wherein the second ground plane is elongated in the second direction parallel to the second conductive part between the second conductive part and the front plate, and wherein at least a portion of the second ground plane is elongated and is separated from an edge of the first ground plane by a slit. ### Claim 5 (depends on 4) The electronic device of claim 4, wherein the slit formed in the second ground plane is elongated along a portion of the insulating part. ### Claim 6 (depends on 4) The electronic device of claim 4, wherein the second ground plane is electrically connected to a fourth point on the second conductive part, and wherein the fourth point is positioned between the second point and the third point along the second periphery, when viewed from above the back plate. ### Claim 7 (depends on 6) The electronic device of claim 6, further comprising: a first flexible conductive member positioned between the second ground plane and a fourth point on the second conductive part. ### Claim 8 (depends on 7) The electronic device of claim 7, wherein the first flexible conductive member is a C-clip. ### Claim 9 (depends on 6) The electronic device of claim 6, wherein the second ground plane is electrically connected to a fifth point on the second conductive part, and wherein the fifth point is positioned between the second point and the fourth point along the second periphery, when viewed from above the back plate. ### Claim 10 (depends on 9) The electronic device of claim 9, further comprising: a second flexible conductive member positioned between the second ground plane and the fifth point on the second conductive part. ### Claim 11 (depends on 10) The electronic device of claim 10, further comprising: a switch configured to turn on or off an electrical connection through the second flexible conductive member, wherein a processor included in the at least one PCB controls the on or off of the switch. ### Claim 12 (depends on 10) The electronic device of claim 10, further comprising: a tuner installed in the second flexible conductive member, wherein a processor included in the at least one PCB controls the tuner. ### Claim 13 (depends on 4) The electronic device of claim 4, further comprising: a switch installed in a slit formed in the second ground plane to change a length of the slit, wherein a processor included in the at least one PCB controls the switch. ### Claim 14 An electronic device comprising: a housing including a front plate and a back plate facing away from the front plate; a display positioned within the housing and exposed through the front plate; and at least one printed circuit board (PCB) interposed between the front plate and the back plate, wherein the back plate has a quadrangular shape including a first periphery elongated in a first direction, and a second periphery shorter than the first periphery and elongated in a second direction perpendicular to the first direction and includes: a first conductive part and a second conductive part separated by a first slit, and an insulating part formed in the first slit and contacting the first conductive part and the second conductive part, wherein the at least one PCB includes: a first ground plane interposed between the first conductive part and the front plate, a second ground plane electrically connected with the first ground plane, and at least one radio frequency communication circuit electrically connected to a first point on the first ground plane adjacent to the first periphery, a second point on the second conductive part adjacent to at least one of the first periphery and the second periphery, and a third point on the first conductive part adjacent to the second periphery, wherein the second ground plane is elongated in the second direction parallel to the second conductive part between the second conductive part and the front plate, and wherein at least a portion of the second ground plane is elongated and is separated from an edge of the first ground plane by a second slit. ### Claim 15 (depends on 14) The electronic device of claim 14, wherein the first slit includes a first portion and a second portion elongated and formed in a direction different from the first portion. ### Claim 16 (depends on 15) The electronic device of claim 15, wherein the first portion is parallel to the first direction, and wherein the second portion is parallel to the second direction. ### Claim 17 (depends on 15) The electronic device of claim 15, wherein the first slit is of an L shape in which one end of the first portion is connected with one end of the second portion. ### Claim 18 (depends on 15) The electronic device of claim 15, wherein the first slit is of a T shape in which one end of the first portion is connected to a center of the second portion. ### Claim 19 (depends on 15) The electronic device of claim 15, wherein the first slit further includes a third portion elongated and formed in a direction parallel to the first portion. ### Claim 20 (depends on 15) The electronic device of claim 15, wherein the first slit further includes a third portion elongated and formed in a direction parallel to the second portion.