# US 11,445,624 B2 · Apparatus and method for detecting disassembly of apparatus > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,445,624 B2 - Document ID: US11445624B2 - Status: Granted - Kind: B2 - Application number: 17/237,286 - Filed: 2021-04-22 - Published: 2021-10-28 - Granted: 2022-09-13 - Earliest claimed: 2020-04-24 - Assignees: Suprema Inc. - Applicants: Suprema Inc. - Inventors: Junsun Yeom; Taehoon Lee - Web page: https://patentgrep.com/patent/US11445624B2 ## CPC - H05K 5/0208: {Interlock mechanisms; Means for avoiding unauthorised use or function, e.g. tamperproof} - H05K: PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS ## Abstract An apparatus has a device installed on an entrance wall bracket. The apparatus includes a fixing member configured to fix the device to the entrance wall bracket, a detection switch selectively pushed by the fixing member to detect whether the fixing member is released, and a tamper unit operating a tamper function when the release of the fixing member is detected through the detection switch. ## Claims ### Claim 1 A device installed on an entrance wall bracket, comprising: a fixing member configured to fix the device to the entrance wall bracket; a detection switch pushed by the fixing member to detect whether the fixing member is released; and a tamper unit operating a tamper function when the release of the fixing member is detected through the detection switch. ### Claim 2 (depends on 1) The device of claim 1, wherein the fixing member has a tip portion, and the device includes a fixing hole, wherein the apparatus further includes an insert mounted in the fixing hole through which the tip portion of the fixing member is rotatably coupled. ### Claim 3 (depends on 2) The device of claim 2, further comprising: a cap sealing member having elasticity and provided between the tip portion of the fixing member and the detection switch. ### Claim 4 (depends on 1) The device of claim 1, wherein the detection switch includes a tact switch configured to turn off a tamper function of the tamper unit when the tact switch is pushed in a predetermined distance by a tip portion of the fixing member and turn on the tamper function of the tamper unit when the tact switch is pushed in a distance less than the predetermined distance by the tip portion of the fixing member or is separated from the tip portion of the fixing member. ### Claim 5 (depends on 4) The device of claim 4, wherein the detection switch includes: a terminal electrically connected to a printed circuit board; a button configured to apply an operation signal by the push of the fixing member; and a tamper body configured to transmit the operation signal of the button to the terminal and elastically supporting the button, wherein the button extends from the tamper body in a first direction in which the button faces the tip portion of the fixing member, and the terminal is disposed in a second direction perpendicular to the first direction to face the printed circuit board. ### Claim 6 (depends on 3) The device of claim 3, wherein the cap sealing member includes: a cover portion positioned to face the fixing hole and formed convexly in a direction in which the fixing member is inserted; and a fixing portion extending outward from the cover portion to be fixed to an edge of the fixing hole. ### Claim 7 (depends on 3) The device of claim 3, wherein the cap sealing member includes: a cover portion positioned to face the fixing hole and formed convexly in a direction in which the fixing member is inserted; a fixing portion fixed to an edge of the fixing hole; and a corrugated portion provided between the cover portion and the fixing portion to connect the cover portion and the fixing portion, wherein the corrugated portion is extended and contracted by the push of the fixing member. ### Claim 8 (depends on 1) The device of claim 1, wherein the tamper unit generates an alarm signal to implement the tamper function. ### Claim 9 A detection apparatus, comprising: an entrance wall bracket having a through hole and configured to be fixedly installed on an entrance wall; and a device installed on the entrance wall bracket, the device comprising: a fixing member configured to fix the device to the entrance wall bracket; a detection switch selectively pushed by the fixing member to detect whether the fixing member is released; and a tamper unit operating a tamper function when the release of the fixing member is detected through the detection switch. ### Claim 10 (depends on 9) The detection apparatus of claim 9, wherein the device includes a fixing hole to match the through hole when the device is assembled to the entrance wall bracket. ### Claim 11 (depends on 10) The detection apparatus of claim 10, wherein the device is configured to be fastened to the entrance wall bracket by one fixing member. ### Claim 12 A method of detecting disassembly of an apparatus, comprising: providing an apparatus including: an entrance wall bracket having a through hole and configured to be fixedly installed on an entrance wall; and a device installed on the entrance wall bracket; detecting whether a fixing member is released using a detection switch pushed by the fixing member; and operating a tamper function. ### Claim 13 (depends on 12) The method of claim 12, wherein the detection switch detects that the fixing member is released when the detection switch becomes not to be pushed by the fixing member. ### Claim 14 (depends on 12) The method of claim 12, wherein, in the providing the apparatus, the device includes a fixing hole to match the through hole when the device is assembled to the entrance wall bracket. ### Claim 15 (depends on 12) The method of claim 12, wherein, in the providing the apparatus, the device is fastened to the entrance wall bracket by one fixing member.