# US 2016/0254584 A1 · Devices with s-shaped balun segment and related methods > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2016/0254584 A1 - Document ID: US20160254584A1 - Status: Published application - Kind: A1 - Application number: 14/633,583 - Filed: 2015-02-27 - Published: 2016-09-01 - Earliest claimed: 2015-02-27 - Assignees: Harris Corporation - Applicants: Harris Corporation - Inventors: Francis Eugene PARSCHE - Web page: https://patentgrep.com/patent/US20160254584A1 ## CPC - H01P 5/10: for coupling balanced lines or devices with unbalanced lines or devices - H01Q 1/3291: {mounted in or on other locations inside the vehicle or vehicle body} - H01Q 1/36: Structural form of radiating elements, e.g. cone, spiral, umbrella; {Particular materials used therewith}(H01Q1/08, H01Q1/14 take precedence) - H01Q 1/50: Structural association of antennas with earthing switches, lead-in devices or lightning protectors - H01Q 9/30: with feed to end of elongated active element, e.g. unipole (H01Q9/44 takes precedence) - H01P: WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE (operating at optical frequencies G02B) - H01Q: ANTENNAS, i.e. RADIO AERIALS (radiators or antennas for microwave heating H05B6/72) ## Abstract An electronic device may include a wireless circuit, and a coaxial cable device having an S-shaped balun segment coupled to the wireless circuit, and an antenna segment coupled to the S-shaped balun segment. The S-shaped balun segment may include a first inner conductor segment, and a first outer conductor segment surrounding the first inner conductor segment. The antenna segment may include a second inner conductor segment coupled to the first inner conductor segment, and a second outer conductor segment surrounding the second inner conductor segment and coupled to the first outer conductor segment, the second inner conductor segment extending from the second outer conductor segment. ## Claims ### Claim 1 An electronic device comprising: a wireless circuit; and a coaxial cable device comprising an S-shaped balun segment coupled to said wireless circuit, and an antenna segment coupled to said S-shaped balun segment; said S-shaped balun segment comprising a first inner conductor segment, and a first outer conductor segment surrounding said first inner conductor segment; said antenna segment comprising a second inner conductor segment coupled to said first inner conductor segment, and a second outer conductor segment surrounding said second inner conductor segment and coupled to said first outer conductor segment, said second inner conductor segment extending from said second outer conductor segment. ### Claim 2 (depends on 1) The electronic device of claim 1 wherein said S-shaped balun segment comprises first and second bends therein. ### Claim 3 (depends on 2) The electronic device of claim 2 wherein each of said first and second bends defines a reverse of direction. ### Claim 4 (depends on 1) The electronic device of claim 1 wherein said antenna segment has an operating wavelength associated therewith; and wherein said first and second turns are spaced apart a length in a range of 0.1 to 0.3 of the operating wavelength. ### Claim 5 (depends on 1) The electronic device of claim 1 wherein said antenna segment has an operating wavelength associated therewith; and wherein said second inner conductor segment extends outwardly from said second outer conductor segment a length in a range of 0.1 to 0.3 of the operating wavelength. ### Claim 6 (depends on 1) The electronic device of claim 1 wherein said coaxial cable device has a diameter d; and wherein said S-shaped balun segment has a width in a range of 4 d to 6 d. ### Claim 7 (depends on 1) The electronic device of claim 1 wherein said coaxial cable device has a diameter d; and wherein said second inner conductor segment has a diameter in a range of 0.2 d to 0.4 d. ### Claim 8 (depends on 1) The electronic device of claim 1 wherein said S-shaped balun segment further comprises a wire extension coupled between spaced apart points of said first outer conductor segment. ### Claim 9 (depends on 1) The electronic device of claim 1 wherein said antenna segment operates without a ground plane. ### Claim 10 (depends on 1) The electronic device of claim 1 further comprising a core body defining a plurality of passageways therethrough; and wherein said S-shaped balun segment extends through the plurality of passageways. ### Claim 11 An electronic device comprising: a coaxial cable device comprising an S-shaped balun segment, and an antenna segment coupled to said S-shaped balun segment; said S-shaped balun segment comprising a first inner conductor segment, and a first outer conductor segment surrounding said first inner conductor segment; said antenna segment comprising a second inner conductor segment coupled to said first inner conductor segment, and a second outer conductor segment surrounding said second inner conductor segment and coupled to said first outer conductor segment, said second inner conductor segment extending from said second outer conductor segment; and a core body defining a plurality of passageways therethrough, said S-shaped balun segment extending through the plurality of passageways. ### Claim 12 (depends on 11) The electronic device of claim 11 wherein said S-shaped balun segment comprises first and second bends therein. ### Claim 13 (depends on 12) The electronic device of claim 12 wherein each of said first and second bends defines a reverse of direction. ### Claim 14 (depends on 11) The electronic device of claim 11 wherein said antenna segment has an operating wavelength associated therewith; and wherein said first and second turns are spaced apart a length in a range of 0.1 to 0.3 of the operating wavelength. ### Claim 15 (depends on 11) The electronic device of claim 11 wherein said coaxial cable device has a diameter d; and wherein said S-shaped balun segment has a width in a range of 4 d to 6 d. ### Claim 16 (depends on 11) The electronic device of claim 11 wherein said coaxial cable device has a diameter d; and wherein said second inner conductor segment has a diameter in a range of 0.2 d to 0. 4 d. ### Claim 17 A method for making an electronic device comprising: forming a coaxial cable device comprising an S-shaped balun segment coupled to a wireless circuit, and an antenna segment coupled to the S-shaped balun segment; the S-shaped balun segment comprising a first inner conductor segment, and a first outer conductor segment surrounding the first inner conductor segment; the antenna segment comprising a second inner conductor segment coupled to the first inner conductor segment, and a second outer conductor segment surrounding the second inner conductor segment and coupled to the first outer conductor segment, the second inner conductor segment extending from the second outer conductor segment. ### Claim 18 (depends on 17) The method of claim 17 wherein the S-shaped balun segment comprises first and second bends therein. ### Claim 19 (depends on 18) The method of claim 18 wherein each of the first and second bends defines a reverse of direction. ### Claim 20 (depends on 17) The method of claim 17 wherein the antenna segment has an operating wavelength associated therewith; and wherein the first and second turns are spaced apart a length in a range of 0.1 to 0.3 of the operating wavelength. ### Claim 21 (depends on 17) The method of claim 17 wherein the antenna segment has an operating wavelength associated therewith; and wherein the second inner conductor segment extends outwardly from the second outer conductor segment a length in a range of 0.1 to 0.3 of the operating wavelength. ### Claim 22 (depends on 17) The method of claim 17 further comprising positioning a core body defining a plurality of passageways therethrough so that the S-shaped balun segment extends through the plurality of passageways.