# US 10,864,892 B2 · Anti-theft apparatus and outboard motor anti-theft system > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,864,892 B2 - Document ID: US10864892B2 - Status: Granted - Kind: B2 - Application number: 16/722,449 - Filed: 2019-12-20 - Published: 2020-07-09 - Granted: 2020-12-15 - Earliest claimed: 2019-01-09 - Assignees: Honda Motor Co., Ltd. - Applicants: Honda Motor Co., Ltd. - Inventors: Takashi Hashizume; Manabu Dobashi; Tetsuya Matsuhisa; Ryota Hisada - Web page: https://patentgrep.com/patent/US10864892B2 ## CPC - B60R 25/34: of conditions of vehicle components, e.g. of windows, door locks or gear selectors - B60R 25/1004: {Alarm systems characterised by the type of sensor, e.g. current sensing means (using door lock sensors B60R25/1001)} - B63H 21/30: Mounting of propulsion plant or unit, e.g. for anti-vibration purposes (hull reinforcements therefor B63B3/70) - F02D 35/00: Controlling engines, dependent on conditions exterior or interior to engines, not otherwise provided for - F02D 45/00: Electrical control not provided for in groups F02D41/00 - F02D43/00 - B60R 2325/304: Boats - B63H 20/08: Means enabling movement of the position of the propulsion element, e.g. for trim, tilt or steering; Control of trim or tilt (initiating means for steering B63H25/02) - B60R: VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR - B63H: MARINE PROPULSION OR STEERING (propulsion of air-cushion vehicles B60V1/14; specially adapted for submarines, other than nuclear propulsion, B63G; specially adapted for torpedoes F42B19/00) - F02D: CONTROLLING COMBUSTION ENGINES (vehicle fittings, acting on a single sub-unit only, for automatically controlling vehicle speed B60K31/00; conjoint control of vehicle sub-units of different type or different function, road vehicle drive control systems for purposes other than the control of a single sub-unit B60W) ## Abstract An anti-theft apparatus for an outboard motor that can be mounted on a boat, comprising a comparison unit configured to compare a vibration of the outboard motor with a vibration of a portion of the boat other than the outboard motor, and a notification unit configured to make a predetermined notification based on a comparison result by the comparison unit. ## Claims ### Claim 1 An anti-theft apparatus for an outboard motor that can be mounted on a boat, comprising: a comparison unit configured to compare a vibration of the outboard motor with a vibration of a portion of the boat other than the outboard motor; and a notification unit configured to make a predetermined notification based on a comparison result by the comparison unit. ### Claim 2 (depends on 1) The apparatus according to claim 1, wherein the boat includes at least two vibration detection sensors each configured to detect a vibration, a first vibration detection sensor as one of the at least two vibration detection sensors is installed in the outboard motor, and a second vibration detection sensor as the other one is installed in the portion of the boat, and the comparison unit performs the comparison based on signals of the at least two vibration detection sensors. ### Claim 3 (depends on 2) The apparatus according to claim 2, wherein the outboard motor is set as a first outboard motor, and the boat further includes a second outboard motor different from the first outboard motor, and the second vibration detection sensor is installed in the second outboard motor as the portion. ### Claim 4 (depends on 2) The apparatus according to claim 2, further comprising a reception unit configured to receive the signals from the at least two vibration detection sensors. ### Claim 5 (depends on 2) The apparatus according to claim 2, wherein the anti-theft apparatus is installed in each of the at least two vibration detection sensors, and further comprises a communication unit configured to perform mutual communication between the at least two vibration detection sensors. ### Claim 6 (depends on 2) The apparatus according to claim 2, wherein the outboard motor includes a main body portion incorporating a power source, and an attachment portion configured to be pivotal with respect to the main body portion and to attach the main body portion to a hull, and the first vibration detection sensor is installed in the attachment portion. ### Claim 7 (depends on 2) The apparatus according to claim 2, wherein the outboard motor includes a main body portion incorporating a power source, and an attachment portion configured to be pivotal with respect to the main body portion and to attach the main body portion to a hull, the first vibration detection sensor is installed in the main body portion, and the anti-theft apparatus further comprises a correction unit configured to correct, based on a relative positional relationship between the attachment portion and the main body portion, a detection result of the vibration of the outboard motor by the first vibration detection sensor. ### Claim 8 (depends on 2) The apparatus according to claim 2, further comprising a second correction unit configured to correct, based on information indicating an installation position of each of the at least two vibration detection sensors, detection results by the at least two vibration detection sensors. ### Claim 9 (depends on 1) The apparatus according to claim 1, further comprising a determination unit configured to determine, based on the vibration of the outboard motor and the vibration of the portion, whether the boat is located on land, wherein if the determination unit determines that the boat is located on land, the notification unit makes the notification. ### Claim 10 (depends on 1) The apparatus according to claim 1, further comprising a determination unit configured to determine, based on position information of the boat and map information, whether the boat is located on land, wherein if the determination unit determines that the boat is located on land, the notification unit makes the notification. ### Claim 11 An outboard motor anti-theft system comprising an outboard motor that can be mounted on a boat and an anti-theft apparatus configured to communicate with the outboard motor, wherein the anti-theft apparatus comprises a comparison unit configured to compare a vibration of the outboard motor with a vibration of a portion of the boat other than the outboard motor, and a notification unit configured to make a predetermined notification based on a comparison result by the comparison unit.