# US 7,466,271 B2 · Multiple-band antenna with patch and slot structures > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 7,466,271 B2 - Document ID: US7466271B2 - Status: Granted - Kind: B2 - Application number: 11/838,751 - Filed: 2007-08-14 - Published: 2008-02-07 - Granted: 2008-12-16 - Earliest claimed: 2003-11-26 - Assignees: Research In Motion Limited - Inventors: Geyi Wen; Perry Jarmuszewski; Adam D. Stevenson - Web page: https://patentgrep.com/patent/US7466271B2 ## CPC - H01Q 5/371: Branching current paths - H01Q 1/243: {with built-in antennas} - H01Q 1/38: formed by a conductive layer on an insulating support {(patch antennas H01Q9/0407; microstrip dipole antennas H01Q9/065; microstrip slot antennas H01Q13/106; transmission line microstrip antennas H01Q13/206; manufacturing reflecting surfaces using insulating material for supporting the reflecting surface H01Q15/142)} - H01Q 5/10: Resonant antennas - H01Q 5/307: Individual or coupled radiating elements, each element being fed in an unspecified way - H01Q 9/0407: {Substantially flat resonant element parallel to ground plane, e.g. patch antenna (dipole H01Q9/285; monopole H01Q9/40)} - H01Q 9/0414: {in a stacked or folded configuration} - H01Q 9/0421: {with a shorting wall or a shorting pin at one end of the element (H01Q9/0414 takes precedence)} - H01Q 9/0442: {with particular tuning means} - H01Q 13/10: Resonant slot antennas - Y10T 29/49016: Antenna or wave energy "plumbing" making - H01Q: ANTENNAS, i.e. RADIO AERIALS (radiators or antennas for microwave heating H05B6/72) - Y10T: TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION ## Abstract A multiple-band antenna having first and second operating frequency bands is provided. The antenna includes a first patch structure associated primarily with the first operating frequency band, a second patch structure electrically coupled to the first patch structure and associated primarily with the second operating frequency band, a first slot structure disposed between a first portion of the first patch structure and the second patch structure and associated primarily with the first operating frequency band, and a second slot structure disposed between a second portion of the first patch structure and the second patch structure and associated primarily with the second operating frequency band. A mounting structure for the multiple-band antenna is also provided. The mounting structure includes a first surface and a second surface opposite to and overlapping the first surface. The first and second patch structures are mounted to the first surface, and a feeding point and ground point, respectively connected to the first and second patch structures, are mounted to the second surface. ## Claims ### Claim 1 A multiple-band antenna comprising: a first patch structure comprising spaced apart first and second end portions; a second patch structure electrically coupled to the first patch structure between the first and second end portions thereof; a first triangularly-shaped slot structure disposed between the first end portion of the first patch structure and the second patch structure, the first triangularly-shaped slot structure having an apex portion and an opposing base portion; a second triangularly-shaped slot structure disposed between the second end portion of the first patch structure and the second patch structure, the second triangularly-shaped slot structure having an apex portion and an opposing base portion; and a second rectangularly-shaped slot structure coupled to the apex portion of the second triangularly-shaped slot structure. ### Claim 2 (depends on 1) The multiple-band antenna of claim 1, further comprising a first rectangularly-shaped slot structure coupled to the apex portion of the first triangularly-shaped slot structure; and wherein the first rectangularly-shaped slot structure is smaller in area than the second rectangularly-shaped slot structure. ### Claim 3 (depends on 1) The multiple-band antenna of claim 1, wherein dimensions of the first patch structure and the first triangularly-shaped slot structure primarily determine a first operating frequency band, gain of the multiple-band antenna in the first operating frequency band, and impedance of the multiple-band antenna in the first operating frequency band; and wherein dimensions of the second patch structure and the second triangularly-shaped slot structure primarily determine the second operating frequency band, gain of the multiple-band antenna in the second operating frequency band, and impedance of the multiple-band antenna in the second operating frequency band. ### Claim 4 (depends on 3) The multiple-band antenna of claim 3, wherein the first operating frequency band comprises a transmit sub-band of 880-915 MHz and a receive sub-band of 925-960 MHz; and wherein the second frequency band comprises a transmit sub-band of 1850-1910 MHz and a receive sub-band of 1930-1990 MHz. ### Claim 5 (depends on 1) The multiple-band antenna of claim 1, wherein the first patch structure further comprises an adjoining portion coupling the first and second end portions to define a substantially C-shaped structure; and wherein the second patch structure is electrically coupled to the adjoining portion. ### Claim 6 (depends on 1) The multiple-band antenna of claim 1, further comprising: a feeding point electrically coupled to the second end portion and positioned to overlap the second end portion; and a ground point electrically coupled to the second patch structure and positioned to overlap the second patch structure. ### Claim 7 (depends on 6) The multiple-band antenna of claim 6, wherein the first patch structure further comprises a bent portion electrically coupling the feeding point to the second end portion; and wherein the second patch structure comprises a bent portion electrically coupling the ground point to the second patch structure. ### Claim 8 (depends on 1) The multiple-band antenna of claim 1, further comprising: a fine tuning tab connected to the second portion of the first patch structure; a pair of fine tuning tabs connected to the first portion of the first patch structure; and a tuning slot disposed between the pair of fine tuning tabs in the first portion of the first patch structure. ### Claim 9 A wireless mobile communication device comprising: a housing; at least one wireless transceiver carried by the housing; and a multiple-band antenna carried by the housing and connected to the at least one wireless transceiver, the multiple-band antenna comprising a first patch structure comprising spaced apart first and second end portions, a second patch structure electrically coupled to the first patch structure between the first and second end portions thereof, a first triangularly-shaped slot structure disposed between the first end portion of the first patch structure and the second patch structure, the first triangularly-shaped slot structure having an apex portion and an opposing base portion, a second triangularly-shaped slot structure disposed between the second end portion of the first patch structure and the second patch structure, the second triangularly-shaped slot structure having an apex portion and an opposing base portion, and a second rectangularly-shaped slot structure coupled to the apex portion of the second triangularly-shaped slot structure. ### Claim 10 (depends on 9) The wireless mobile communication device of claim 9, further comprising a first rectangularly-shaped slot structure coupled to the apex portion of the first triangularly-shaped slot structure; and wherein the first rectangularly-shaped slot structure is smaller in area than the second rectangularly-shaped slot structure. ### Claim 11 (depends on 9) The wireless mobile communication device of claim 9, wherein dimensions of the first patch structure and the first triangularly-shaped slot structure primarily determine a first operating frequency band, gain of the multiple-band antenna in the first operating frequency band, and impedance of the multiple-band antenna in the first operating frequency band; and wherein dimensions of the second patch structure and the second triangularly-shaped slot structure primarily determine the second operating frequency band, gain of the multiple-band antenna in the second operating frequency band, and impedance of the multiple-band antenna in the second operating frequency band. ### Claim 12 (depends on 11) The wireless mobile communication device of claim 11, wherein the first frequency band comprises a transmit sub-band of 880-915 MHz and a receive sub-band of 925-960 MHz; and wherein the second frequency band comprises a transmit sub-band of 1850-1910 MHz and a receive sub-band of 1930-1990 MHz. ### Claim 13 (depends on 9) The wireless mobile communication device of claim 9, wherein the first patch structure further comprises an adjoining portion coupling the first and second end portions to define a substantially C-shaped structure; and wherein the second patch structure is electrically coupled to the adjoining portion. ### Claim 14 (depends on 9) The wireless mobile communication device of claim 9, further comprising: a feeding point electrically coupled to the second end portion and positioned to overlap the second end portion; and a ground point electrically coupled to the second patch structure and positioned to overlap the second patch structure. ### Claim 15 (depends on 14) The wireless mobile communication device of claim 14, wherein the first patch structure further comprises a bent portion electrically coupling the feeding point to the second end portion; and wherein the second patch structure comprises a bent portion electrically coupling the ground point to the second patch structure. ### Claim 16 (depends on 9) The wireless mobile communication device of claim 9, wherein the multiple-band antenna is mounted in the housing adjacent top and rear surfaces thereof. ### Claim 17 (depends on 9) The wireless mobile communication device of claim 9, further comprising at least one of a keyboard, a display, a speaker, and a microphone carried by the housing on a front surface thereof. ### Claim 18 (depends on 9) The wireless mobile communication device of claim 9, further comprising: a fine tuning tab connected to the second portion of the first patch structure; a pair of fine tuning tabs connected to the first portion of the first patch structure; and a tuning slot disposed between the pair of fine tuning tabs in the first portion of the first patch structure. ### Claim 19 (depends on 9) The wireless mobile communication device of claim 9, wherein the at least one wireless transceiver is for at least one of data and voice operation. ### Claim 20 A method for making a multiple-band antenna comprising: forming a first patch structure comprising spaced apart first and second end portions; forming a second patch structure electrically coupled to the first patch structure between the first and second end portions thereof; forming a first triangularly-shaped slot structure disposed between the first end portion of the first patch structure and the second patch structure, the first triangularly-shaped slot structure having an apex portion and an opposing base portion; forming a second triangularly-shaped slot structure disposed between the second end portion of the first patch structure and the second patch structure, the second triangularly-shaped slot structure having an apex portion and an opposing base portion; and forming a second rectangularly-shaped slot structure coupled to the apex portion of the second triangularly-shaped slot structure. ### Claim 21 (depends on 20) The method of claim 20, further comprising forming a first rectangularly-shaped slot structure coupled to the apex portion of the first triangularly-shaped slot structure; and wherein the first rectangularly-shaped slot structure is smaller in area than the second rectangularly-shaped slot structure. ### Claim 22 (depends on 20) The method of claim 20, wherein dimensions of the first patch structure and the first triangularly-shaped slot structure primarily determine a first operating frequency band, gain of the multiple-band antenna in the first operating frequency band, and impedance of the multiple-band antenna in the first operating frequency band; and wherein dimensions of the second patch structure and the second triangularly-shaped slot structure primarily determine the second operating frequency band, gain of the multiple-band antenna in the second operating frequency band, and impedance of the multiple-band antenna in the second operating frequency band. ### Claim 23 (depends on 22) The method of claim 22, wherein the first operating frequency band comprises a transmit sub-band of 880-915 MHz and a receive sub-band of 925-960 MHz; and wherein the second frequency band comprises a transmit sub-band of 1850-1910 MHz and a receive sub-band of 1930-1990 MHz. ### Claim 24 (depends on 20) The method of claim 20, wherein forming the first patch structure further comprises forming an adjoining portion coupling the first and second end portions to define a substantially C-shaped structure; and wherein the second patch structure is electrically coupled to the adjoining portion. ### Claim 25 (depends on 20) The method of claim 20, further comprising: forming a feeding point electrically coupled to the second end portion and positioned to overlap the second end portion; and forming a ground point electrically coupled to the second patch structure and positioned to overlap the second patch structure. ### Claim 26 (depends on 25) The method of claim 25, wherein forming the first patch structure further comprises forming a bent portion electrically coupling the feeding point to the second end portion; and wherein forming the second patch structure comprises forming a bent portion electrically coupling the ground point to the second patch structure. ### Claim 27 (depends on 20) The method of claim 20, further comprising: forming a fine tuning tab connected to the second portion of the first patch structure; forming a pair of fine tuning tabs connected to the first portion of the first patch structure; and forming a tuning slot disposed between the pair of fine tuning tabs in the first portion of the first patch structure.