# US 7,612,723 B2 · Portable communication device antenna arrangement > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 7,612,723 B2 - Document ID: US7612723B2 - Status: Granted - Kind: B2 - Application number: 11/681,320 - Filed: 2007-03-02 - Published: 2008-08-14 - Granted: 2009-11-03 - Earliest claimed: 2007-02-02 - Assignees: Sony Ericsson Mobile Communications AB - Inventors: Jan-Willem Zweers; Ernst Hupkes - Web page: https://patentgrep.com/patent/US7612723B2 ## CPC - H01Q 1/243: {with built-in antennas} - H01Q 1/362: {for broadside radiating helical antennas} - H01Q 7/00: Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop - H01Q 11/08: Helical antennas - H01Q: ANTENNAS, i.e. RADIO AERIALS (radiators or antennas for microwave heating H05B6/72) ## Abstract A portable communication device is provided, which includes a radio communication unit, an antenna exciter element for connection to the radio communication unit and ground and at least one further antenna element provided on one side of the antenna exciter element. The further antenna elements comprise a first mass block of electrically conducting material including components provided for the operation of the portable communication device. The mass block is dimensioned for operating in a frequency band in which communication is desired when being excited by the antenna exciter element and each mass block and the antenna exciter element extend in three dimensions. ## Claims ### Claim 1 A communication device comprising: a radio communication unit; an antenna exciter element including an electrically conducting wire having a first feeding end and a second feeding end connected to the radio communication unit, where the electrically conducting wires section includes a winding section including a number of windings about a central axis, where a final one of the windings contacts a penultimate winding and none other of the windings contact each other, and where a first one of the windings defines a first low impedance side and the final winding defines a second low impedance side; and at least one other antenna element disposed on a first side of the antenna exciter element, where the at least one other antenna element includes a first mass block made from electrically conducting material including components provided for operation of the communication device, the first mass block being dimensioned for operating in a predetermined frequency band when excited by the antenna exciter element, and the first mass block and the antenna exciter element extending in three dimensions. ### Claim 2 (depends on 1) The communication device of claim 1, where the first mass block is disposed at a particular distance from the antenna exciter element. ### Claim 3 (depends on 1) The communication device of claim 1, where the at least one other antenna element faces and is aligned with one of the first or second low impedance sides. ### Claim 4 (depends on 1) The communication device of claim 1, where the antenna exciter element includes a middle section between the first and second low impedance sides, where the middle section has a higher impedance than the first and second low impedance sides. ### Claim 5 (depends on 4) The communication device of claim 4, where the at least one other antenna element faces and is aligned with the middle section. ### Claim 6 (depends on 1) The communication device of claim 1, further comprising a third antenna element. ### Claim 7 (depends on 6) The communication device of claim 6, where the third antenna element faces and is aligned with one of the first and second low impedance sides. ### Claim 8 (depends on 6) The communication device of claim 6, where the third antenna element comprises a second mass block. ### Claim 9 (depends on 8) The communication device of claim 8, where a connection exists between the first or second mass blocks. ### Claim 10 (depends on 9) The communication device of claim 9, where the connection is a high impedance connection. ### Claim 11 (depends on 9) The communication device of claim 9, where the connection is tuneable. ### Claim 12 (depends on 7) The communication device of claim 7, where the third antenna element comprises an electrical conductor that extends along an entire length of a corresponding one of the first or second low impedance sides. ### Claim 13 (depends on 12) The communication device of claim 12, where the electrical conductor is electrically connected to the antenna exciter element. ### Claim 14 (depends on 1) The communication device of claim 1, where a point of contact between the final winding and the penultimate winding occurs at a distal end of the final winding. ### Claim 15 (depends on 14) The communication device of claim 14, where the antenna exciter element further comprises a return section joined to the distal end of the final winding and extending toward and past the first winding. ### Claim 16 (depends on 15) The communication device of claim 15, where the second feeding end is disposed at an end of the return section opposing the distal end of the final winding and being substantially parallel to the first feeding end in a feeding plane that is substantially perpendicular to the central axis. ### Claim 17 (depends on 1) The communication device of claims 1, where the first feeding end is disposed at an input section connected to the first winding. ### Claim 18 (depends on 1) The communication device of claims 1, where the first winding is at a first distance from the final winding in a direction of the central axis, and an inner diameter of each of the windings are at a second distance from the central axis, the first and second distances defining a volume of the antenna exciter element. ### Claim 19 A communication device comprising: a radio communication unit; an antenna exciter element connected to the radio communication unit; at least one other antenna element disposed on a first side of the antenna exciter element, where the at least one other antenna element includes a first mass block made from electrically conducting material including components provided for operation of the communication device, the first mass block being dimensioned for operating in a predetermined frequency band when excited by the antenna exciter element, and the first mass block and the antenna exciter element extending in three dimensions; and a casing within which the radio communication unit, the antenna exciter element, and the at least one other antenna element reside. ### Claim 20 (depends on 1) The communication device of claim 1, where the communication device is an accessory for a wireless communication terminal. ### Claim 21 (depends on 19) The communication device of claim 19, where the mass block is disposed at a particular distance from the antenna exciter element. ### Claim 22 (depends on 19) The communication device of claim 19, where the communication device is an accessory for a wireless communication terminal. ### Claim 23 (depends on 19) The communication device of claim 19, where the antenna exciter element includes a first low impedance side and a second low impedance side.