# US 9,437,919 B2 · Information equipment with a plurality of radio communication antennas > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 9,437,919 B2 - Document ID: US9437919B2 - Status: Granted - Kind: B2 - Application number: 13/307,594 - Filed: 2011-11-30 - Published: 2012-03-29 - Granted: 2016-09-06 - Earliest claimed: 2006-05-29 - Assignees: Kabushiki Kaisha Toshiba - Applicants: Hiroshi Shimasaki; Masao Teshima; Satoshi Mizoguchi; Anwar Sathath; Toshiyuki Hirota - Inventors: Hiroshi Shimasaki; Masao Teshima; Satoshi Mizoguchi; Anwar Sathath; Toshiyuki Hirota - Web page: https://patentgrep.com/patent/US9437919B2 ## CPC - H01Q 1/2266: {disposed inside the computer} - 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 21/28: Combinations of substantially independent non-interacting antenna units or systems {(multiple beam H01Q25/00)} - 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 Information equipment according to an embodiment includes a display housing with a display unit, a first radio communication antenna disposed at an end part of the display housing, a second radio communication antenna using a frequency band adjacent to or overlapped with that of the first radio communication antenna, and a third radio communication antenna disposed at an end part between the first and the second radio communication antennas, and uses a frequency band not adjacent to nor overlapped with those of the first and the second radio communication antennas. ## Claims ### Claim 1 An electronic device, comprising: a housing comprising a display unit, the housing comprising a long side and a short side; a first antenna for a first communication system at the short side; a second antenna for a WLAN communication system at a position in the long side, the position being far from the short side, wherein a lowest frequency of a frequency band for the WLAN communication system is higher than a lowest frequency of a frequency band for the first communication system; and a third antenna for a third communication system between the first antenna and the second antenna, wherein the third antenna is larger than the first antenna and the second antenna, and a lowest frequency of a frequency band for the third communication system is lower than a lowest frequency of the frequency band for the first communication system, wherein the first communication system, the WLAN communication system, and the third communication system are different from each other, wherein the third antenna is arranged on an imaginary straight line between the first antenna and the second antenna, and wherein the second antenna is between a center of the long side and a connection point of the short side and the long side. ### Claim 2 (depends on 1) The electronic device of claim 1, wherein at least a part of the third antenna overlaps with the display unit. ### Claim 3 (depends on 2) The electronic device of claim 2, wherein the first, the second, and the third antennas are in a half of the housing with respect to a center line through a center of the long side. ### Claim 4 (depends on 3) The electronic device of claim 3, wherein at least a part of the first antenna overlaps with the display unit. ### Claim 5 (depends on 3) The electronic device of claim 3, wherein at least a part of the second antenna overlaps with the display unit. ### Claim 6 (depends on 1) The electronic device of claim 1, wherein a distance between the first antenna and the second antenna is longer than a distance between the third antenna and the first antenna. ### Claim 7 An electronic device, comprising: a housing comprising a display unit, the housing comprising a first end part and a second end part, the second end part orthogonally connecting the first end part; a first antenna for a first communication system at the first end part; a second antenna for a second communication system at the second end part, wherein a highest frequency of a frequency band for the second communication system is higher than a highest frequency of a frequency band for the first communication system; and a third antenna for a third communication system at the first end part and between the first antenna and the second antenna, wherein the third antenna is larger than the first antenna and the second antenna, and a lowest frequency of a frequency band for the third communication system is lower than a lowest frequency of a frequency band for the first communication system and the second communication system, and a highest frequency of the frequency band for the third communication system is lower than a highest frequency of the frequency band for the first communication system and the second communication system, wherein the first communication system, the second communication system, and the third communication system are different from each other, wherein the third antenna is arranged on an imaginary straight line between the first antenna and the second antenna, and wherein the second antenna is between a center of the second end part and a connection point of the second end part and the first end part. ### Claim 8 (depends on 7) The electronic device of claim 7, wherein at least a part of the third antenna overlaps with the display unit. ### Claim 9 (depends on 8) The electronic device of claim 8, wherein the first, the second, and the third antennas are in a half of the housing with respect to a center line through a center of the first end part. ### Claim 10 (depends on 9) The electronic device of claim 9, wherein at least a part of the first antenna overlaps with the display unit. ### Claim 11 (depends on 9) The electronic device of claim 9, wherein at least a part of the second antenna overlaps with the display unit. ### Claim 12 (depends on 7) The electronic device of claim 7, wherein a distance between the first antenna and the second antenna is longer than the distance between a third antenna and the first antenna. ### Claim 13 An electronic device, comprising: a display housing comprising a display unit, the display housing comprising at least one long side and at least one short side; a first fed antenna in the display housing, the first fed antenna comprising a first feed point at which the first antenna is fed from a feeder line for a first communication system; a second fed antenna in the display housing, the second fed antenna comprising a second feed point at which the second antenna is fed from a second feeder line for a second communication system, wherein a lowest frequency of a frequency band for the second communication system is higher than a lowest frequency of a frequency band for the first communication system; and a third fed antenna in the display housing and arranged on an imaginary straight line between the first fed antenna and the second fed antenna, wherein the third fed antenna comprises a third feed point at which the third antenna is fed from a feeder line for third communication system, a lowest frequency of a frequency band for the third communication system is lower than the lowest frequency for the first communication system and the lowest frequency for the second communication system, a highest frequency of a frequency band for the third communication system is lower than a highest frequency of a frequency band for the first communication system and a highest frequency of a frequency band for the second communication system, wherein the first fed antenna is arranged on an imaginary straight line between the third fed antenna and a first end of the at least one long side, and the second fed antenna is arranged on an imaginary straight line between the third fed antenna and a second end of the at least one long side. ### Claim 14 (depends on 13) The electronic device of claim 13, wherein the first fed antenna is arranged on the at least one short side. ### Claim 15 (depends on 14) The electronic device of claim 14, wherein the second fed antenna is arranged on the at least one short side. ### Claim 16 (depends on 15) The electronic device of claim 15, wherein at least a part of the third fed antenna overlaps with the display unit.