# US 10,368,780 B2 · Body worn antenna > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,368,780 B2 - Document ID: US10368780B2 - Status: Granted - Kind: B2 - Application number: 15/314,103 - Filed: 2016-05-09 - Published: 2017-07-13 - Granted: 2019-08-06 - Earliest claimed: 2015-05-10 - Assignees: Check-Cap Ltd. - Applicants: Check-Cap Ltd. - Inventors: Yosi Pahima; Maxim Kaplan - Web page: https://patentgrep.com/patent/US10368780B2 ## CPC - A61B 5/073: {Intestinal transmitters} - A61B 1/00016: {using wireless means} - A61B 1/041: {Capsule endoscopes for imaging} - A61B 5/062: {using magnetic field} - A61B 6/4057: {by using radiation sources located in the interior of the body (A61B6/037 takes precedence)} - A61B 6/4258: {for detecting non x-ray radiation, e.g. gamma radiation (A61B6/037 takes precedence)} - A61B 6/56: {Details of data transmission or power supply, e.g. use of slip rings} - H01Q 1/273: {Adaptation for carrying or wearing by persons or animals} - 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 9/285: {Planar dipole (H01Q9/065 takes precedence; patch antenna H01Q9/0407)} - A61B 5/066: {Superposing sensor position on an image of the patient, e.g. obtained by ultrasound or x-ray imaging} - A61B 6/483: {involving scattered radiation} - A61B 6/485: {involving fluorescence X-ray imaging} - A61B 2562/166: the sensor is mounted on a specially adapted printed circuit board - A61B: DIAGNOSIS; SURGERY; IDENTIFICATION (usefulness limited to only animals A61D) - H01Q: ANTENNAS, i.e. RADIO AERIALS (radiators or antennas for microwave heating H05B6/72) ## Abstract A wearable antenna for communicating between an external transceiver and a capsule inside the gastrointestinal tract of a user, including a printed circuit board for forming a conducting pattern on a first face and on a second face of the printed circuit board; a first conducting pattern on the first face of the printed circuit board, including: a) an almost completely split conducting elongated bar across a center of the printed circuit board; b) an identical main conducting transmission area on each side of the almost completely split elongated bar; c) a thin conducting line respectively connecting between each side of the almost completely split elongated bar and the transmission area; a second conducting pattern on the second face of the printed circuit board including a U shaped conductor; wherein the U shaped conductor is positioned to serve as a balun for the conducting pattern on the first face. ## Claims ### Claim 1 A wearable antenna for communicating between an external transceiver and a capsule inside the gastrointestinal tract of a user comprising: a printed circuit board comprising a first continuous planar conducting pattern printed directly on a first face and a second continuous planar conducting pattern printed directly on a second face of the printed circuit board, the first conducting pattern on the first face of the printed circuit board, comprising: a) a conducting elongated bar across a center of the printed circuit board: wherein the elongated bar is partially split to form two sides, forming a void between the sides of the elongated bar: b) an identical main conducting transmission area on each side of the elongated bar: c) a thin conducting line respectively connecting between each side of the elongated bar and the transmission area: the second conducting pattern on the second face of the printed circuit board comprising: a U shaped conductor having an elongated conducting area and an elongated conducting line: wherein the U shaped conductor is positioned to serve as a balun for the conducting pattern on the first face; and wherein the size of the printed circuit board is selected to be attachable to the lower back of the user and to transmit a signal having an ISM band frequency, wherein the U shaped conductor is shorted with the conducting elongated bar by via holes through the printed circuit board. ### Claim 2 (depends on 1) A wearable antenna according to claim 1, wherein the U shaped conductor on the second face of the printed circuit board is positioned with an offset relative to the center of the printed circuit board to balance the signal transmitted by the wearable antenna. ### Claim 3 (depends on 1) A wearable antenna according to claim 1, wherein the U shaped conductor is shorted with the conducting elongated bar by an electrical connection along an external width of the printed circuit board. ### Claim 4 (depends on 1) A wearable antenna according to claim 1, wherein the antenna is connected with a cable to the external transceiver located near the waist of the user. ### Claim 5 (depends on 1) A wearable antenna according to claim 1, wherein the conducting bar is larger than the main conducting transmission areas together. ### Claim 6 (depends on 1) A wearable antenna according to claim 1, wherein the main conducting transmission areas together are larger than the conducting bar. ### Claim 7 (depends on 1) A wearable antenna according to claim 1, wherein one side of the elongated bar includes an elongated line extending inward next to the void. ### Claim 8 (depends on 7) A wearable antenna according to claim 7, wherein the elongated line has an identical or similar thickness as the elongated conducting line of the U shaped conductor. ### Claim 9 A method of communicating between an external transceiver and a capsule inside the gastrointestinal tract of a user, comprising: attaching a wearable antenna to the body of the user wherein the wearable antenna includes a printed circuit board comprising a first continuous planar conducting pattern printed directly on a first face and a second continuous planar conducting pattern printed directly on a second face of the printed circuit board, preparing the printed circuit board by printing the first conducting pattern on the first face of the printed circuit board, comprising: a) a conducting elongated bar across a center of the printed circuit board: wherein the elongated bar is partially split to form two sides, forming a void between the sides of the elongated bar: b) an identical main conducting transmission area on each side of the elongated bar: c) a thin conducting line respectively connecting between each side of the elongated bar and the transmission area: preparing the printed circuit board by further printing the second conducting pattern on the second face of the printed circuit board comprising a U shaped conductor having an elongated conducting area and an elongated conducting line: wherein the U shaped conductor is positioned to serve as a balun for the conducting pattern on the first face: and wherein the size of the printed circuit board is selected to be attachable to the lower back of the user and to transmit a signal having an ISM band frequency, wherein the U shaped conductor is shorted with the conducting elongated bar by via holes through the printed circuit board. ### Claim 10 (depends on 9) A method according to claim 9, wherein the U shaped conductor on the second face of the printed circuit board is positioned with an offset relative to the center of the printed circuit board to balance the signal transmitted by the wearable antenna. ### Claim 11 (depends on 9) A method according to claim 9, wherein the U shaped conductor is shorted with the conducting elongated bar by an electrical connection along an external width of the printed circuit board. ### Claim 12 (depends on 9) A method according to claim 9, wherein the antenna is connected with a cable to the external transceiver located near the waist of the user. ### Claim 13 (depends on 9) A method according to claim 9, wherein the conducting bar is larger than the main conducting transmission areas together. ### Claim 14 (depends on 9) A method according to claim 9, wherein the main conducting transmission areas together are larger than the conducting bar. ### Claim 15 (depends on 9) A method according to claim 9, wherein one side of the elongated bar includes an elongated line extending inward next to the void. ### Claim 16 (depends on 15) A method according to claim 15, wherein the elongated line has an identical or similar thickness as the elongated conducting line of the U shaped conductor. ### Claim 17 A wearable antenna for communicating between an external transceiver and a capsule inside the gastrointestinal tract of a user comprising: a printed circuit board comprising a first continuous planar conducting pattern printed directly on a first face and a second continuous planar conducting pattern printed directly on a second face of the printed circuit board, the first conducting pattern on the first face of the printed circuit board, comprising: a) a conducting elongated bar across a center of the printed circuit board: wherein the elongated bar is partially split to form two sides, forming a void between the sides of the elongated bar: b) an identical main conducting transmission area on each side of the elongated bar: c) a thin conducting line respectively connecting between each side of the elongated bar and the transmission area: the second conducting pattern on the second face of the printed circuit board comprising: a U shaped conductor having an elongated conducting area and an elongated conducting line: wherein the U shaped conductor is positioned to serve as a balun for the conducting pattern on the first face; wherein the size of the printed circuit board is selected to be attachable to the lower back of the user and to transmit a signal having an ISM band frequency, and wherein the thin conducting line is at least partially printed along an outline of the printed circuit board and together with the elongated bar completely surround the transmission area. ### Claim 18 A method of communicating between an external transceiver and a capsule inside the gastrointestinal tract of a user, comprising: attaching a wearable antenna to the body of the user wherein the wearable antenna includes a printed circuit board comprising a first continuous planar conducting pattern printed directly on a first face and a second continuous planar conducting pattern printed directly on a second face of the printed circuit board, preparing the printed circuit board by printing the first conducting pattern on the first face of the printed circuit board, comprising: a) a conducting elongated bar across a center of the printed circuit board: wherein the elongated bar is partially split to form two sides, forming a void between the sides of the elongated bar: b) an identical main conducting transmission area on each side of the elongated bar: c) a thin conducting line respectively connecting between each side of the elongated bar and the transmission area: preparing the printed circuit board by further printing the second conducting pattern on the second face of the printed circuit board comprising a U shaped conductor having an elongated conducting area and an elongated conducting line: wherein the U shaped conductor is positioned to serve as a balun for the conducting pattern on the first face: wherein the size of the printed circuit board is selected to be attachable to the lower back of the user and to transmit a signal having an ISM band frequency, and wherein the thin conducting line is at least partially printed along an outline of the printed circuit board and together with the elongated bar completely surround the transmission area.