# US 7,746,288 B2 · Antenna for WWAN and integrated antenna for WWAN, GPS and WLAN > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 7,746,288 B2 - Document ID: US7746288B2 - Status: Granted - Kind: B2 - Application number: 11/437,686 - Filed: 2006-05-22 - Published: 2007-08-30 - Granted: 2010-06-29 - Earliest claimed: 2006-02-24 - Assignees: Yageo Corporation - Inventors: Chi-Yueh Wang; Cheng-Han Lee; Ching-Chia Mai - Web page: https://patentgrep.com/patent/US7746288B2 ## CPC - H01Q 9/0421: {with a shorting wall or a shorting pin at one end of the element (H01Q9/0414 takes precedence)} - G06F 1/1616: {with folding flat displays, e.g. laptop computers or notebooks having a clamshell configuration, with body parts pivoting to an open position around an axis parallel to the plane they define in closed position} - 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 1/2266: {disposed inside the computer} - H01Q 13/08: Radiating ends of two-conductor microwave transmission lines, e.g. of coaxial lines, of microstrip lines - H01Q 13/10: Resonant slot antennas - 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) ## Abstract The present invention relates to an antenna for WWAN and an integrated antenna for WWAN, WLAN, and GPS. The integrated antenna comprises a ground metal plate, a coupled WWAN antenna, a WLAN antenna, an auxiliary grounding element, and at least one supporting element. The integrated antenna of the invention can be applied to a wireless electronic device with WWAN and WLAN by utilizing the coupled WWAN antenna to induce a WWAN frequency and the WLAN antenna to induce a WLAN frequency. In addition, the ground metal plate and the auxiliary grounding element are selectively connected or not connected to a ground end of the wireless electronic device, and can be separately used to provide grounding effect. Therefore, the integrated antenna can be mounted on any part of the wireless electronic device, and can have stable electrical characteristic. ## Claims ### Claim 1 An integrated antenna for WWAN and WLAN, comprising: a ground metal plate; a coupled WWAN antenna, the coupled WWAN antenna comprising a first radiating metal plate, a second radiating metal plate, and a third radiating metal plate, the first radiating metal plate being a separate metal plate and used for matching with the second radiating metal plate to induce a first resonance mode, the third radiating metal plate used to induce a second resonance mode; a WLAN antenna connected to the ground metal plate, the WLAN antenna comprising a fourth radiating metal plate and a fifth radiating metal plate for respectively inducing a third resonance mode and a fourth resonance mode; an auxiliary grounding element electrically connected to the ground metal plate; and at least one supporting element for supporting the first radiating metal plate. ### Claim 2 (depends on 1) The integrated antenna as claimed in claim 1, wherein the frequency of the first resonance mode is in a range of 824 MHz to 960 MHz, the frequency of the second resonance mode is in a range of 1575 MHz and 1710 MHz to 2170 MHz, the frequency of the third resonance mode is 5 GHz, and the frequency of the fourth resonance mode is 2.4 GHz. ### Claim 3 (depends on 1) The integrated antenna as claimed in claim 1, wherein the supporting element is an insulating element. ### Claim 4 (depends on 1) The integrated antenna as claimed in claim 1, wherein the coupled WWAN antenna further comprises a first connecting metal plate and a second connecting metal plate respectively used to connect the second radiating metal plate and the third radiating metal plate to the ground metal plate, in which the first radiating metal plate comprises a first portion, a second portion, and a third portion; and the WLAN antenna further comprises a third connecting metal plate used to connect the fourth radiating metal plate and the fifth radiating metal plate to the ground metal plate. ### Claim 5 (depends on 4) The integrated antenna as claimed in claim 4, wherein the fourth radiating metal plate and the fifth radiating metal plate extend in different opposite directions, so as to make the WLAN antenna is formed as an T shape; the WLAN antenna is disposed on a second side surface and a top surface of the integrated antenna; the third connecting metal plate and the fourth radiating metal plate are disposed on the second side surface; and the fifth radiating metal plate extends from the second side surface to the top surface. ### Claim 6 (depends on 4) The integrated antenna as claimed in claim 4, wherein the fourth radiating metal plate and the fifth radiating metal plate extend along the same direction and are disposed on the same side surface, so as to make the WLAN antenna is formed as an F shape. ### Claim 7 (depends on 4) The integrated antenna as claimed in claim 4, wherein the ground metal plate is disposed on a bottom surface of the integrated antenna; the first connecting metal plate and the second connecting metal plate of the coupled WWAN antenna extend from one side of the ground metal plate and are disposed on a first side surface of the integrated antenna; the first portion is disposed on the first side surface, the second portion is disposed on a top surface of the integrated antenna, the top surface is corresponding to the bottom surface, and the third portion is disposed on a second side surface of the integrated antenna, the second side surface is corresponding to the first side surface; and the second radiating metal plate is disposed on the top surface, and the third radiating metal plate is disposed on the first side surface. ### Claim 8 (depends on 4) The integrated antenna as claimed in claim 4, wherein the supporting element is a printed circuit board, and the ground metal plate is disposed on a bottom surface of the printed circuit board; the first connecting metal plate and the second connecting metal plate of the coupled WWAN antenna extend from one side of the ground metal plate and are disposed on a first side surface of the printed circuit board; the first portion is disposed on the first side surface, the second portion is disposed on a top surface of the printed circuit board, the top surface is corresponding to the bottom surface, and the third portion is disposed on a second side surface of the printed circuit board, the second side surface is corresponding to the first side surface; and the second radiating metal plate is disposed on the top surface, and the third radiating metal plate is disposed on the first side surface. ### Claim 9 (depends on 4) The integrated antenna as claimed in claim 4, wherein the supporting element is a non-conductive solid material, and the ground metal plate is disposed on a bottom surface of the non-conductive solid material; the first connecting metal plate and the second connecting metal plate of the coupled WWAN antenna extend from one side of the ground metal plate and are disposed on a first side surface of the non-conductive solid material; the first portion is disposed on the first side surface, the second portion is disposed on a top surface of the non-conductive solid material, the top surface is corresponding to the bottom surface, and the third portion is disposed on a second side surface of the non-conductive solid material, the second side surface is corresponding to the first side surface; and the second radiating metal plate is disposed on the top surface, and the third radiating metal plate is disposed on the first side surface. ### Claim 10 (depends on 4) The integrated antenna as claimed in claim 4, wherein the supporting element is a flexible printed circuit board, and the ground metal plate is disposed on a top of the flexible printed circuit board; the third connecting metal plate extends downwards along one side of the ground metal plate, and the WLAN antenna is connected to the third connecting metal plate; the first connecting metal plate and the second connecting metal plate extend upwards from a bottom of the flexible printed circuit board, the bottom is corresponding to the top; the third radiating metal plate is connected to the second connecting metal plate and is disposed parallel with the bottom and separated for a distance, and the second radiating metal plate is connected to the first connecting metal plate and is disposed parallel with the third radiating metal plate and separated for a distance; the first portion of the first radiating metal plate is disposed at the same horizontal position as the third radiating metal plate, the second portion of the first radiating metal plate is disposed at the same horizontal position as the second radiating metal plate and interposed between the second radiating metal plate and the WLAN antenna, and the third portion of the first radiating metal plate is disposed between the second radiating metal plate and the ground metal plate and parallel with the second radiating metal plate and separated for a distance. ### Claim 11 (depends on 10) The integrated antenna as claimed in claim 10, wherein the flexible printed circuit board is bent to be a cuboid, and the ground metal plate is disposed on a bottom surface of the cuboid; the first connecting metal plate and the second connecting metal plate of the coupled WWAN antenna are electrically connected to one side of the ground metal plate and disposed on a first side surface of the cuboid; the first portion is disposed on the first side surface, the second portion is disposed on a top surface of the cuboid, the top surface is corresponding to the bottom surface, and the third portion is disposed on a second side surface of the cuboid, the second side surface is corresponding to the first side surface; and the second radiating metal plate is disposed on the top surface, and the third radiating metal plate is disposed on the first side surface. ### Claim 12 (depends on 1) The integrated antenna as claimed in claim 1, wherein the distance between the first radiating metal plate and the second radiating metal plate is between 0.5 mm and 1.5 mm. ### Claim 13 (depends on 12) The integrated antenna as claimed in claim 12, wherein the distance between the first radiating metal plate and the second radiating metal plate is between 0.5 mm and 1.0 mm, and the induced frequency of the first resonance mode is in a range of 824 MHz to 894 MHz. ### Claim 14 (depends on 12) The integrated antenna as claimed in claim 12, wherein the distance between the first radiating metal plate and the second radiating metal plate is between 1.0 mm and 1.5 mm, and the induced frequency of the first resonance mode is in a range of 880 MHz to 960 MHz. ### Claim 15 (depends on 1) The integrated antenna as claimed in claim 1, further comprising a gain metal plate connected to the ground metal plate for increasing gain. ### Claim 16 (depends on 1) The integrated antenna as claimed in claim 1, wherein the auxiliary grounding element is aluminum foil. ### Claim 17 (depends on 1) The integrated antenna as claimed in claim 1, wherein the auxiliary grounding element is conductive glue. ### Claim 18 (depends on 1) The integrated antenna as claimed in claim 1, wherein the auxiliary grounding element is conductive foam. ### Claim 19 (depends on 1) The integrated antenna as claimed in claim 1, wherein the ground metal plate has at least one slot. ### Claim 20 An antenna for WWAN, comprising: a ground metal plate; a coupled WWAN antenna, the coupled WWAN antenna comprising a first radiating metal plate, a second radiating metal plate, and a third radiating metal plate, the first radiating metal plate being a separate metal plate and used for matching with the second radiating metal plate to induce a first resonance mode, the third radiating metal plate used to induce a second resonance mode; an auxiliary grounding element electrically connected to the ground metal plate; and at least one supporting element for supporting the first radiating metal plate, wherein the coupled WWAN antenna further comprises a first connecting metal plate and a second connecting metal plate respectively used to connect the second radiating metal plate and the third radiating metal plate to the ground metal plate; the first radiating metal plate comprises a first portion, a second portion, and a third portion. ### Claim 21 (depends on 20) The antenna as claimed in claim 20, wherein the frequency of the first resonance mode is in a range of 824 MHz to 960 MHz, and the frequency of the second resonance mode is in a range of 1575 MHz and 1710 MHz to 2170 MHz. ### Claim 22 (depends on 20) The antenna as claimed in claim 20, wherein the supporting element is an insulating element. ### Claim 23 (depends on 20) The antenna as claimed in claim 20, wherein the ground metal plate is disposed on a bottom surface of the antenna; the first connecting metal plate and the second connecting metal plate of the coupled WWAN antenna extend from one side of the ground metal plate and are disposed on a first side surface of the antenna; the first portion is disposed on the first side surface, the second portion is disposed on a top surface of the antenna, the top surface is corresponding to the bottom surface, and the third portion is disposed on a second side surface of the antenna, the second side surface is corresponding to the first side surface; the second radiating metal plate is disposed on the top surface, and the third radiating metal plate is disposed on the first side surface. ### Claim 24 (depends on 20) The antenna as claimed in claim 20, wherein the supporting element is a printed circuit board, and the ground metal plate is disposed on a bottom surface of the printed circuit board; the first connecting metal plate and the second connecting metal plate of the coupled WWAN antenna extend from one side of the ground metal plate and are disposed on a first side surface of the printed circuit board; the first portion is disposed on the first side surface, the second portion is disposed on a top surface of the printed circuit board, the top surface is corresponding to the bottom surface, and the third portion is disposed on a second side surface of the printed circuit board, the second side surface is corresponding to the first side surface; and the second radiating metal plate is disposed on the top surface, and the third radiating metal plate is disposed on the first side surface. ### Claim 25 (depends on 20) The antenna as claimed in claim 20, wherein the supporting element is a non-conductive solid material, and the ground metal plate is disposed on a bottom surface of the non-conductive solid material; the first connecting metal plate and the second connecting metal plate of the coupled WWAN antenna extend from one side of the ground metal plate and are disposed on a first side surface of the non-conductive solid material; the first portion is disposed on the first side surface, the second portion is disposed on a top surface of the non-conductive solid material, the top surface is corresponding to the bottom surface, and the third portion is disposed on a second side surface of the non-conductive solid material, the second side surface is corresponding to the first side surface; and the second radiating metal plate is disposed on the top surface, and the third radiating metal plate is disposed on the first side surface. ### Claim 26 (depends on 20) The antenna as claimed in claim 20, wherein the supporting element is a flexible printed circuit board, and the ground metal plate is disposed on a top of the flexible printed circuit board; the first connecting metal plate and the second connecting metal plate extend upwards from a bottom of the flexible printed circuit board, the bottom is corresponding to the top; the third radiating metal plate is connected to the second connecting metal plate and is disposed parallel with the bottom and separated for a distance; the second radiating metal plate is connected to the first connecting metal plate and is disposed parallel with the third radiating metal plate and separated for a distance; the first portion of the first radiating metal plate is disposed at the same horizontal position as the third radiating metal plate, the second portion of the first radiating metal plate is disposed at the same horizontal position as the second radiating metal plate, and the third portion of the first radiating metal plate is disposed between the second radiating metal plate and the ground metal plate and is disposed parallel with the second radiating metal plate and separated for a distance. ### Claim 27 (depends on 26) The antenna as claimed in claim 26, wherein the flexible printed circuit board is bent to be a cuboid, and the ground metal plate is disposed on a bottom surface of the cuboid; the first connecting metal plate and the second connecting metal plate of the coupled WWAN antenna are electrically connected to one side of the ground metal plate and are disposed on a first side surface of the cuboid; the first portion of the coupled WWAN antenna is disposed on the first side surface, the second portion of the coupled WWAN antenna is disposed on a top surface of the cuboid, the top surface is corresponding to the bottom surface, and the third portion of the coupled WWAN antenna is disposed on a second side surface of the cuboid, the second side surface is corresponding to the first side surface; and the second radiating metal plate is disposed on the top surface, and the third radiating metal plate is disposed on the first side surface. ### Claim 28 (depends on 20) The antenna as claimed in claim 20, wherein the distance between the first radiating metal plate and the second radiating metal plate is between 0.5 mm and 1.5 mm. ### Claim 29 (depends on 28) The antenna as claimed in claim 28, wherein the distance between the first radiating metal plate and the second radiating metal plate is 0.5 mm to 1.0 mm, and the induced frequency of the first resonance mode is in a range of 824 MHz to 894 MHz. ### Claim 30 (depends on 28) The antenna as claimed in claim 28, wherein the distance between the first radiating metal plate and the second radiating metal plate is between 1.0 mm and 1.5 mm, and the induced frequency of the first resonance mode is in a range of 880 MHz to 960 MHz. ### Claim 31 (depends on 20) The antenna as claimed in claim 20, further comprising a gain metal plate connected to the ground metal plate for increasing gain. ### Claim 32 (depends on 20) The antenna as claimed in claim 20, wherein the auxiliary grounding element is aluminum foil. ### Claim 33 (depends on 20) The antenna as claimed in claim 20, wherein the auxiliary grounding element is conductive glue. ### Claim 34 (depends on 20) The antenna as claimed in claim 20, wherein the auxiliary grounding element is conductive foam. ### Claim 35 (depends on 20) The antenna as claimed in claim 20, wherein the ground metal plate has at least one slot.