# US 12,118,904 B2 · Active electronic shelf label > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,118,904 B2 - Document ID: US12118904B2 - Status: Granted - Kind: B2 - Application number: 17/944,879 - Filed: 2022-09-14 - Published: 2023-04-27 - Granted: 2024-10-15 - Earliest claimed: 2020-01-17 - Assignees: Hanshow Technology Co., Ltd. - Applicants: Hanshow Technology Co., Ltd. - Inventors: Shiguo Hou; Hongbo Shen; Jianguo Zhao; Yujun Lin; Linjiang Wang - Web page: https://patentgrep.com/patent/US12118904B2 ## CPC - G09F 3/208: {Electronic labels, Labels integrating electronic displays} - G09F 3/204: {specially adapted to be attached to a shelf or the like} - G09F: DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS ## Abstract Disclosed in the present disclosure is an active electronic shelf label, including: a shelf label body, a guide rail, a guide rail positive power supply line, a guide rail negative power supply line, a shelf label positive elastic sheet, and a shelf label negative elastic sheet. The shelf label body is connected to the guide rail and movable along the guide rail. The guide rail positive power supply line and the guide rail negative power supply line are respectively provided along the guide rail. A first contact point of the shelf label positive elastic sheet is electrically coupled to a power input terminal of the shelf label body. A first contact point of the shelf label negative elastic sheet is electrically coupled to a power output terminal of the shelf label body. A second contact point of the shelf label positive elastic sheet is electrically coupled to the guide rail positive power supply line by contact, and a second contact point of the shelf label negative elastic sheet is electrically coupled to the shelf label negative elastic sheet by contact. The present disclosure can improve the efficiency of installing and disassembling the electronic shelf label, enables flexible adjustment of the position of the shelf label body on the guide rail according to actual needs, and is simple in structure, light in weight, and easy to maintain. ## Claims ### Claim 1 An active electronic shelf label, comprising: a shelf label body, a guide rail, a guide rail positive power supply line, a guide rail negative power supply line, a shelf label positive elastic sheet, and a shelf label negative elastic sheet; wherein the shelf label body is connected to and movable along the guide rail; the guide rail positive power supply line and the guide rail negative power supply line are provided along the guide rail, respectively; a first contact point of the shelf label positive elastic sheet is electrically coupled to a power input terminal of the shelf label body, and a first contact point of the shelf label negative elastic sheet is electrically coupled to a power output terminal of the shelf label body; a second contact point of the shelf label positive elastic sheet is electrically coupled to the guide rail positive power supply line, and a second contact point of the shelf label negative elastic sheet is electrically coupled to the guide rail negative power supply line; and the guide rail is provided with a slot, the shelf label body is provided with a plug movable within the slot, and the shelf label positive elastic sheet and the shelf label negative elastic sheet are fixed on the plug. ### Claim 2 (depends on 1) The active electronic shelf label according to claim 1, wherein an inner frame of the slot is provided with two grooves; and the guide rail positive power supply line and the guide rail negative power supply line are provided on the guide rail by respectively passing through the two grooves. ### Claim 3 (depends on 1) The active electronic shelf label according to claim 1, wherein an inner frame of the slot is provided with a buckle seat, and the plug is provided with a buckle; and the shelf label body is fixed on the guide rail by the buckle and the buckle seat. ### Claim 4 (depends on 1) The active electronic shelf label according to claim 1, wherein the shelf label positive elastic sheet and the shelf label negative elastic sheet are fixed on the plug by hot melting or gluing. ### Claim 5 (depends on 1) The active electronic shelf label according to claim 1, wherein the shelf label body comprises a shelf label shell and a printed circuit board provided therein, and the first contact point of the shelf label positive elastic sheet and the first contact point of the shelf label negative elastic sheet are electrically coupled to the printed circuit board, respectively. ### Claim 6 (depends on 5) The active electronic shelf label according to claim 5, wherein the shelf label body further comprises a display screen provided on the shelf label shell, and the printed circuit board is fixed on the display screen. ### Claim 7 (depends on 6) The active electronic shelf label according to claim 6, wherein the display screen is provided with a plastic sheet, and the plastic sheet is fixed on an outer frame of the shelf label shell. ### Claim 8 (depends on 5) The active electronic shelf label according to claim 5, wherein the printed circuit board is provided with a copper-clad area, and the copper-clad area is provided with a power input terminal and a power output terminal; and the first contact point of the positive elastic sheet passes through the shelf label shell and is electrically coupled to the power input terminal on the copper-clad area of the printed circuit board, and the first contact point of the negative elastic sheet passes through the shelf label shell and is electrically coupled to the power output terminal on the copper-clad area of the printed circuit board. ### Claim 9 (depends on 8) The active electronic shelf label according to claim 8, wherein the first contact point of the shelf label positive elastic sheet is electrically coupled to the power input terminal on the copper-clad area of the printed circuit board by being in elastic contact with the power input terminal, and the first contact point of the shelf label negative elastic sheet is electrically coupled to the power output terminal on the copper-clad area of the printed circuit board by being in elastic contact with the power input terminal. ### Claim 10 An active electronic shelf label, comprising: a shelf label body; a guide rail; a guide rail positive power supply line; a guide rail negative power supply line; a shelf label positive elastic sheet; a shelf label negative elastic sheet; the shelf label body is connected to and movable along the guide rail; the guide rail positive power supply line and the guide rail negative power supply line are provided along the guide rail, respectively; the shelf label body includes a shelf label shell and a printed circuit board provided therein; the printed circuit board is provided with a copper-clad area, and the copper-clad area is provided with the power input terminal and the power output terminal; the first contact point of the positive elastic sheet passes through the shelf label shell and is electrically coupled to the power input terminal on the copper-clad area of the printed circuit board, and the first contact point of the negative elastic sheet passes through the shelf label shell and is electrically coupled to the power output terminal on the copper-clad area of the printed circuit board; a second contact point of the shelf label positive elastic sheet is electrically coupled to the guide rail positive power supply line; and a second contact point of the shelf label negative elastic sheet is electrically coupled to the guide rail negative power supply line. ### Claim 11 (depends on 10) The active electronic shelf label according to claim 10, wherein the first contact point of the shelf label positive elastic sheet is electrically coupled to the power input terminal on the copper-clad area of the printed circuit board by being in elastic contact with the power input terminal, and the first contact point of the shelf label negative elastic sheet is electrically coupled to the power output terminal on the copper-clad area of the printed circuit board by being in elastic contact with the power output terminal. ### Claim 12 An active electronic shelf label, comprising: a shelf label body; a guide rail; a guide rail positive power supply line; a guide rail negative power supply line; a shelf label positive elastic sheet; a shelf label negative elastic sheet; the shelf label body is connected to and movable along the guide rail; the guide rail positive power supply line and the guide rail negative power supply line are provided along the guide rail, respectively; the shelf label body includes a shelf label shell and a printed circuit board provided therein; the first contact point of the positive elastic sheet passes through the shelf label shell and is electrically coupled to the printed circuit board, and the first contact point of the negative elastic sheet passes through the shelf label shell and is electrically coupled to the printed circuit board; and a second contact point of the shelf label positive elastic sheet is electrically coupled to the guide rail positive power supply line; and a second contact point of the shelf label negative elastic sheet is electrically coupled to the guide rail negative power supply line. ### Claim 13 (depends on 12) The active electronic shelf label according to claim 12, wherein the first contact point of the shelf label positive elastic sheet is electrically coupled to the printed circuit board by being in elastic contact with the printed circuit board, and the first contact point of the shelf label negative elastic sheet is electrically coupled to the printed circuit board by being in elastic contact with the printed circuit board. ### Claim 14 (depends on 12) The active electronic shelf label according to claim 12, wherein the guide rail is provided with a slot, the shelf label body is provided with a plug movable within the slot. ### Claim 15 (depends on 14) The active electronic shelf label according to claim 14, wherein an inner frame of the slot is provided with two grooves; and the guide rail positive power supply line and the guide rail negative power supply line are provided on the guide rail by respectively passing through the two grooves. ### Claim 16 (depends on 14) The active electronic shelf label according to claim 14, wherein an inner frame of the slot is provided with a buckle seat; the plug is provided with a buckle; and the shelf label body is fixed on the guide rail by the buckle and the buckle seat. ### Claim 17 (depends on 12) The active electronic shelf label according to claim 12, wherein the shelf label positive elastic sheet and the shelf label negative elastic sheet are fixed on the plug by hot melting or gluing. ### Claim 18 (depends on 12) The active electronic shelf label according to claim 12, wherein the shelf label body further comprises a display screen provided on the shelf label shell, and the printed circuit board is fixed on the display screen. ### Claim 19 (depends on 18) The active electronic shelf label according to claim 18, wherein the display screen is provided with a plastic sheet, and the plastic sheet is fixed on an outer frame of the shelf label shell.