# US 2017/0288306 A1 · Adjustable phase shifting device for array antenna and antenna > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2017/0288306 A1 - Document ID: US20170288306A1 - Status: Published application - Kind: A1 - Application number: 15/507,763 - Filed: 2015-09-11 - Published: 2017-10-05 - Earliest claimed: 2014-11-11 - Assignees: Zi-Meng Li - Inventors: Victor Aleksandrovich Sledkov; Zi-Meng Li - Web page: https://patentgrep.com/patent/US20170288306A1 ## CPC - H01P 1/184: {Strip line phase-shifters (H01P1/181, H01P1/185, H01P1/19 take precedence)} - H01P 1/18: Phase-shifters (H01P1/165 takes precedence) - H01P 5/12: Coupling devices having more than two ports (H01P5/04 takes precedence) - H01Q 1/246: {specially adapted for base stations} - H01Q 3/32: by mechanical means - H01Q 21/0075: {Stripline fed arrays (H01Q21/065 takes precedence)} - H01Q 23/00: Antennas with active circuits or circuit elements integrated within them or attached to them - 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 This paper discloses an adjustable phase shifting device for antenna array as well as an antenna array, the device including a branched network of feed lines containing transformer portions of varying width for reducing reflection of signals passing through the network and coupling the common input port with the output ports placed along the first edge of the device via one or more junctions and including portions of feed lines placed along the second edge of the device, the dielectric members mounted on one rod adjacent to these portions of feed lines and can be moved along ones to synchronously adjust the phase relationship between the output ports, the dielectric members having one or more transformer portions for reducing reflection of signals passing through the network, wherein the dielectric member mounted adjacent to portions of feed lines placed along the second edge of the device and connected with the first junction from input port contains transformer portions at both ends and other dielectric members contain transformer portions only at one end which overlap a portion of feed line placed along the second edge of the device. ## Claims ### Claim 1 An adjustable phase shifting device for feeding signals between a common input port and two or more output ports, the device including a branched network of feed lines containing transformer portions of varying width for reducing reflection of signals passing through the network and coupling the common input port with the output ports placed along the first edge of the device via one or more junctions and including portions of feed lines placed along the second edge of the device, the dielectric members mounted on one rod adjacent to these portions of feed lines and can be moved along ones to synchronously adjust the phase relationship between the output ports, the dielectric members having one or more transformer portions for reducing reflection of signals passing through the network, wherein the dielectric member mounted adjacent to portions of feed lines placed along the second edge of the device and connected with the first junction from input port contains transformer portions at both ends and other dielectric members contain transformer portions only at one end which overlap a portion of feed line placed along the second edge of the device. ### Claim 2 (depends on 1) The device of claim 1 wherein transformer portions of the dielectric members formed by cuts reducing width of the dielectric members. ### Claim 3 (depends on 1) The device of claim 1 wherein transformer portions of the dielectric members formed by cuts reducing thickness of the dielectric members. ### Claim 4 (depends on 1) The device of claim 1 wherein the rod made of material having small thermal extension, for example metal or fiberglass. ### Claim 5 (depends on 1) The device of claim 1 wherein the feed lines consist of strip lines placed inside of the conductive box having two wide walls placed above and below strip lines and two narrow walls. ### Claim 6 (depends on 5) The device of claim 5 wherein the conductive cavity made as a metal profile by extrusion. ### Claim 7 (depends on 5) The device of claims 5 t 6 wherein a conductive box contains the longitudinal projections on the inner surfaces of wide walls nearby the second edge of the device. ### Claim 8 (depends on 1) The device of claims 1 wherein each dielectric member contains two equal parts placed between wide walls on both sides of each portion of strip line placed along the second edge of the device and fixed on a rod. ### Claim 9 (depends on 1) The device of claim 1 wherein each dielectric member made as one part containing the longitudinal slot for a strip line and the longitudinal hole or channel for a rod. ### Claim 10 (depends on 8) The device of claim 8 wherein each dielectric member contains the longitudinal slots for the longitudinal projections placed on inner surfaces of wide walls. ### Claim 11 (depends on 8) The device of claim 8 wherein each dielectric member is made of upper and lower layers and a plastic profile made by extrusion. ### Claim 12 (depends on 1) The device of claim 1 wherein each dielectric member made as one part containing the longitudinal slot for a strip line and the lugs for mounting the dielectric member on a rod by installation these lugs into holes made in a rod. ### Claim 13 (depends on 12) The device of claim 12 wherein the dielectric members made by injection in a mold has at least one gap for adjusting the contact between the dielectric members and the feed network. ### Claim 14 (depends on 1) The device of claim 1 wherein at least some portions of the strip lines connected with output ports contain dielectric substrates placed between wide walls on both sides of strip lines. ### Claim 15 (depends on 14) The device of claim 14 wherein dielectric substrates made of material having low dielectric constant, preferably foam-type material, for example polyethylene foam. ### Claim 16 (depends on 1) The device of claim 1 wherein at least some portions of the strip lines connected with output ports contain nonconductive spacers supporting the strip lines between widewalls. ### Claim 17 (depends on 1) The device of claim 1 wherein the strip lines formed on one side of the lower dielectric substrate supporting the strip lines between wide walls. ### Claim 18 (depends on 1) The device according to claim 1 wherein the upper dielectric substrate is placed on the strip lines formed on the lower dielectric substrate. ### Claim 19 (depends on 1) The device of claim 1 wherein the strip lines formed on both sides of the dielectric substrate supporting the strip lines between wide walls. ### Claim 20 (depends on 1) The device of claim 1 wherein at least one feed line placed between a junction and an output port contains the portion having wave impedance at least 20% more than impedance of the output port and the transformer portion connected to an output port. ### Claim 21 (canceled)