# US 7,610,070 B2 · Dynamically configured antenna for multiple frequencies and bandwidths > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 7,610,070 B2 - Document ID: US7610070B2 - Status: Granted - Kind: B2 - Application number: 11/805,231 - Filed: 2007-05-22 - Published: 2007-09-27 - Granted: 2009-10-27 - Earliest claimed: 2002-05-24 - Inventors: Dominik J. Schmidt - Web page: https://patentgrep.com/patent/US7610070B2 ## CPC - H04B 1/006: {using switches for selecting the desired band (H04B1/0057 takes precedence)} - H01Q 1/241: {used in mobile communications, e.g. GSM (H01Q1/247, H01Q1/248 take precedence)} - H01Q 9/0442: {with particular tuning means} - H01Q 9/0457: {electromagnetically coupled to the feed line} - H01Q 9/14: Length of element or elements adjustable (telescopic elements H01Q1/10) - H04B 1/005: {adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges} - H04B 1/38: Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving - H04B: TRANSMISSION - H01Q: ANTENNAS, i.e. RADIO AERIALS (radiators or antennas for microwave heating H05B6/72) ## Abstract A wireless communication device includes a reconfigurable antenna and one or more wireless transceivers coupled to the antenna. The reconfigurable antenna can be dynamically configured to transmit and receive wireless signals at a plurality of frequencies and bandwidths. A processor core is coupled to the reconfigurable antenna and the wireless transceivers. The processor core dynamically controls the configurations of the reconfigurable antenna and processes the wireless signals transmitted and received at the plurality of frequencies. ## Claims ### Claim 1 An apparatus comprising: an active antenna portion including at least a first member and a second member; a first switch configured to selectively couple the first member and the second member; a passive antenna portion; and a shield coupled between the active antenna portion and the passive antenna portion, the shield including an aperture permitting a signal received by the active antenna portion to propagate to the passive antenna portion. ### Claim 2 (depends on 1) The apparatus of claim 1, wherein the first member and the second member correspond to a primary body and a plurality of secondary bodies, respectively. ### Claim 3 (depends on 2) The apparatus of claim 2, wherein the first switch comprises a first micro-electromechanical switch and wherein a one or more secondary switches are configured to selectively couple pairs of the secondary bodies. ### Claim 4 (depends on 2) The apparatus of claim 2, further comprising one or more additional switches configured to selectively couple ones of the plurality of secondary bodies. ### Claim 5 (depends on 1) The apparatus of claim 1, wherein the shield comprises a ground plane coupled between a first substrate and a second substrate, the first substrate including the active antenna portion and the second substrate including the passive antenna portion. ### Claim 6 (depends on 5) The apparatus of claim 5, wherein the passive antenna portion comprises a plurality of passive antennas each corresponding to a frequency matching stub, wherein each frequency matching stub has a length of approximately a quarter of a wavelength at a corresponding resonance frequency. ### Claim 7 (depends on 6) The apparatus of claim 6, wherein the corresponding frequency matching stubs are located radially about a stub junction at a termination of a transmission line portion of the passive antenna portion. ### Claim 8 (depends on 1) The apparatus of claim 1, wherein the first switch comprises: an input line coupled to the second member and formed on a substrate; an output line coupled to the first member and formed on the substrate; an electrode formed on the substrate between the input line and the output line; and an armature configured to selectively couple the input line to the output line under control of the electrode. ### Claim 9 (depends on 1) The apparatus of claim 1, wherein the apparatus is a mobile communication device. ### Claim 10 (depends on 1) The apparatus of claim 1, wherein the apparatus is a portable computer system. ### Claim 11 (depends on 1) The apparatus of claim 1, wherein the apparatus is a cellular telephone. ### Claim 12 A method performed by an apparatus comprising an active antenna portion coupled to a passive antenna portion, the method comprising: selectively controlling an electrical connection between a primary antenna body of the active antenna portion and a first one of a plurality of secondary antenna bodies of the active antenna portion; the active antenna portion receiving a signal, wherein the active antenna portion is coupled to the passive antenna portion via a shield having an aperture that permits the propagation of the received signal to the passive antenna portion; and the passive antenna portion outputting the received signal to a transceiver via a transmission line. ### Claim 13 (depends on 12) The method of claim 12, further comprising selectively connecting at least one of a plurality of frequency stubs to the transmission line. ### Claim 14 (depends on 12) The method of claim 12, wherein the selectively controlling is performed by a first switch. ### Claim 15 (depends on 12) The method of claim 12, wherein a processor of a mobile station selectively controls the first switch. ### Claim 16 (depends on 12) The method of claim 12, further comprising selectively controlling electrical connections between ones of the plurality of secondary antenna bodies via a plurality of switches. ### Claim 17 (depends on 12) The method of claim 12, wherein the shield comprises a ground plane coupled between a first substrate and a second substrate, the first substrate including the active antenna portion and the second substrate including the passive antenna portion. ### Claim 18 (depends on 12) The method of claim 12, wherein the apparatus is a mobile communication device. ### Claim 19 (depends on 12) The method of claim 12, wherein the apparatus is a portable computer system. ### Claim 20 (depends on 12) The method of claim 12, wherein the apparatus is a cellular telephone. ### Claim 21 An apparatus comprising: a first substrate including a plurality of antenna bodies, adjacent ones of which are selectively coupleable via a corresponding switch; a second substrate including a transmission line and a plurality of passive antennas configured to resonate at fixed frequencies; and a shield layer located between the first and second substrates. ### Claim 22 (depends on 21) The apparatus of claim 21, wherein the shield layer comprises an aperture connecting the first substrate and the second substrate, and wherein the apparatus is a mobile device. ### Claim 23 (depends on 22) The apparatus of claim 22, wherein the aperture is half of a largest frequency of wireless signals to be transmitted or received by the apparatus. ### Claim 24 (depends on 23) The apparatus of claim 23, wherein the shield layer comprises a ground plane. ### Claim 25 (depends on 21) The apparatus of claim 21, wherein the plurality of antenna bodies comprises a primary body and at least one secondary body. ### Claim 26 (depends on 25) The apparatus of claim 25, wherein the plurality of passive antennas comprise frequency matching stubs, wherein each frequency matching stub has a length of approximately a quarter of the wavelength at a corresponding resonance frequency. ### Claim 27 (depends on 26) The apparatus of claim 26, wherein the corresponding frequency matching stubs are located radially about a stub junction at a termination of the transmission line. ### Claim 28 (depends on 21) The apparatus of claim 21, wherein the second substrate includes a configurable filter having a plurality of filter stubs electrically connectable to the transmission line. ### Claim 29 (depends on 21) The apparatus of claim 21, wherein the apparatus is a mobile communication device. ### Claim 30 (depends on 21) The apparatus of claim 21, wherein the apparatus is a portable computer system. ### Claim 31 (depends on 21) The apparatus of claim 21, wherein the apparatus is a cellular telephone.