# US 2018/0026366 A1 · Phase shifting apparatus and electrically adjustable antenna > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2018/0026366 A1 - Document ID: US20180026366A1 - Status: Published application - Kind: A1 - Application number: 15/541,539 - Filed: 2015-12-21 - Published: 2018-01-25 - Earliest claimed: 2015-01-05 - Assignees: Alcatel Lucent - Applicants: Alcatel-Lucent Shanghai Bell Co., Ltd. - Inventors: Chengyu Xu; Zhenhua Li; Zhendong Wang; Chenguang Zhou - Web page: https://patentgrep.com/patent/US20180026366A1 ## CPC - H01Q 3/32: by mechanical means - H01P 1/18: Phase-shifters (H01P1/165 takes precedence) - H01P 1/184: {Strip line phase-shifters (H01P1/181, H01P1/185, H01P1/19 take precedence)} - H01Q 1/48: Earthing means; Earth screens; Counterpoises - H01Q: ANTENNAS, i.e. RADIO AERIALS (radiators or antennas for microwave heating H05B6/72) - H01P: WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE (operating at optical frequencies G02B) ## Abstract The present disclosure provides a phase shifting apparatus and an electrically adjustable antenna. The phase shifting apparatus comprises a grounding plate; two bottom substrates respectively arranged on both sides of the grounding plate and coupled to the grounding plate; two top substrates respectively arranged on both sides of the two bottom substrates, wherein each of the top substrates and each of the bottom substrates form a phase shifting unit; a rod coupled to the two top substrates for adjusting a relative sliding movement between the two top substrates and the two bottom substrates so as to simultaneously adjust a phase of the output signal of each phase shifting unit. By employing the technical solution of the present disclosure, screws are not needed in course of assembling the phase shifting apparatus, PIM performance of the phase shifting apparatus is improved, and the friction force is smaller so that an ACU can drive the rod at a low temperature. The phase shifting apparatus has fewer parts and is low cost, meanwhile the parts are connected using nonmetallic rivets for ease of assembling and reworking. ## Claims ### Claim 1 A phase shifting apparatus, wherein comprising: a grounding plate; at least two bottom substrates respectively arranged on both sides of the grounding plate and coupled to the grounding plate; at least two top substrates respectively arranged on both sides of the two bottom substrates, wherein each of the top substrates and each of the bottom substrates form a phase shifting unit; a rod coupled to the two top substrates for adjusting a relative sliding movement between the at least two top substrates and the at least two bottom substrates, so as to simultaneously adjust a phase of an output signal of each phase shifting unit. ### Claim 2 (depends on 1) The phase shifting apparatus according to claim 1, wherein, each of the bottom substrates is provided with at least one signal input line and at least one phase-shift signal output line, on a side facing the corresponding top substrate. ### Claim 3 (depends on 2) The phase shifting apparatus according to claim 2, wherein, each of the top substrates is provided with at least one U-shaped line coupled to the at least one signal input line and the at least one phase-shift signal output line, on a side facing the corresponding bottom substrate. ### Claim 4 (depends on 1) The phase shifting apparatus according to claim 1, wherein the phase shifting apparatus further comprises: a fixing part for fixing the two top substrates in relation to each other, wherein the rod is coupled to the two top substrates via the fixing part. ### Claim 5 (depends on 4) The phase shifting apparatus according to claim 4, wherein the fixing part comprises: a first fastening piece and a second fastening piece that are capable of being fastened with each other, wherein the top substrates and the bottom substrates are attached when the first fastening piece is fastened to the second fastening piece. ### Claim 6 (depends on 5) The phase shifting apparatus according to claim 5, wherein, the first fastening piece is disposed with at least one rivet and at least one groove, and the second fastening piece is correspondingly disposed with at least one rivet and at least one groove, such that a fixed connection between the first fastening piece and the second fastening piece is formed by the matching between the rivets and the grooves. ### Claim 7 (depends on 6) The phase shifting apparatus according to claim 6, wherein, each of the top substrates is provided with at least two through-holes for allowing the rivets of the first and second fastening pieces to pass through; and each of the bottom substrates is provided with at least one slot hole for providing a movement space for the rivets on the first and second fastening piece. ### Claim 8 (depends on 1) The phase shifting apparatus according to claim 1, wherein, further comprising: a plate-joint rivet for fixing the two bottom substrates to the grounding plate by passing the plate-joint rivet through a through-hole disposed on each of the bottom substrates and a through-hole disposed on the grounding plate. ### Claim 9 (depends on 1) The phase shifting apparatus according to claim 1, wherein, the bottom substrates and the top substrates are coated with an insulating layer except for a welding position. ### Claim 10 (depends on 1) The phase shifting apparatus according to claim 1, wherein, each of the bottom substrates is provided with one signal input line and three phase-shift signal output lines on a side facing the corresponding top substrate, wherein two of the three phase-shift signal output lines are connected via an external conductor. ### Claim 11 (depends on 1) The phase shifting apparatus according to claim 1, wherein, the fixing part and/or the plate-joint rivet are made of non-metallic material. ### Claim 12 (depends on 1) An electrically adjustable antenna, wherein: the phase shifting apparatus according to claim 1; an antenna control unit coupled to the rod for driving the rod, such that the two top substrates slide simultaneously relative to the two bottom substrates.