# US 12,181,871 B2 · Information presentation method, information presentation device, and recording medium > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,181,871 B2 - Document ID: US12181871B2 - Status: Granted - Kind: B2 - Application number: 17/780,426 - Filed: 2021-01-22 - Published: 2023-01-05 - Granted: 2024-12-31 - Earliest claimed: 2020-02-27 - Assignees: Panasonic Intellectual Property Management Co., Ltd. - Applicants: Panasonic Intellectual Property Management Co., Ltd. - Inventors: Yoichi Ikeda - Web page: https://patentgrep.com/patent/US12181871B2 ## CPC - G05D 1/0044: {by providing the operator with a computer generated representation of the environment of the vehicle, e.g. virtual reality, maps (maps used for automatic navigation G05D1/0274; flight directors G01C23/005)} - A47L 9/2894: {Details related to signal transmission in suction cleaners} - G05D 1/648: Performing a task within a working area or space, e.g. cleaning - A47L 2201/04: Automatic control of the travelling movement; Automatic obstacle detection - G05D 2105/10: for cleaning, vacuuming or polishing - G05D: SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES - A47L: DOMESTIC WASHING OR CLEANING (brushes A46B; cleaning quantities of bottles or of other hollow articles of one kind B08B9/00; laundry D06F); SUCTION CLEANERS IN GENERAL (cleaning in general B08) ## Abstract An information presentation method that is executed by a computer includes acquiring travelling path information that includes a cleaning path and a relocation path, the cleaning path showing positions cleaned by a self-propelled vacuum cleaner in each of a plurality of regions included in a specific area, and the relocation path showing a route of the self-propelled vacuum cleaner that has travelled from one region to another region different from the one region out of the regions, the route being included in the specific area; generating presentation information that includes the cleaning path and the relocation path and that changes the mode of display of at least one of the cleaning path or the relocation path when a specific condition is satisfied; and presenting the presentation information to the user as the travelling path of the self-propelled vacuum cleaner in the specific area. ## Claims ### Claim 1 An information presentation method that is executed by a computer, the information presentation method comprising: acquiring travelling path information that includes a cleaning path and a relocation path, the cleaning path showing a position cleaned by a self-propelled vacuum cleaner in each of a plurality of regions included in a specific area, and the relocation path showing a route of the self-propelled vacuum cleaner that has travelled from one region to another region different from the one region out of the plurality of regions, the route being included in the specific area; determining whether a specific condition is satisfied, and when the specific condition is satisfied, generating presentation information that includes the cleaning path and the relocation path and that instructs to display at least one of the cleaning path or the relocation path in a different mode of display; and presenting the presentation information to a user as a travelling path of the self-propelled vacuum cleaner in the specific area, wherein the specific condition includes at least one of (i) the specific area has been cleaned in the past with cleaning frequency greater than or equal to a predetermined value and (ii) when the specific area is divided into a plurality of blocks of a predetermined size, a travelling path including the cleaning path and the relocation path and occupying at least one of the plurality of blocks has a density greater than or equal to a given value. ### Claim 2 (depends on 1) The information presentation method according to claim 1, wherein the generating of the presentation information includes: as the specific condition, when there is no past travelling path information that corresponds to the specific area, generating the presentation information that instructs to display the relocation path in a different mode of display. ### Claim 3 (depends on 1) The information presentation method according to claim 1, wherein the generating of the presentation information includes: as the specific condition, when there is past travelling path information that corresponds to the specific area, generating the presentation information that instructs to display the cleaning path in a different mode of display. ### Claim 4 (depends on 1) The information presentation method according to claim 1, wherein the generating of the presentation information includes: as the specific condition, when the specific area is divided into the plurality of blocks of the predetermined size and when the travelling path that includes the cleaning path and the relocation path and that occupies at least one of the plurality of blocks has a density greater than or equal to the given value, generating the presentation information that instructs to display the relocation path in a different mode of display. ### Claim 5 (depends on 4) The information presentation method according to claim 4, wherein the generating of the presentation information further includes: generating the presentation information that instructs to display the relocation path in a different mode of display for each of the plurality of blocks in accordance with the density of the travelling path that occupies the block. ### Claim 6 (depends on 1) The information presentation method according to claim 1, wherein the mode of display corresponds to light and shade of a path displayed on a display. ### Claim 7 (depends on 1) The information presentation method according to claim 1, wherein the mode of display corresponds to a color of a path displayed on a display. ### Claim 8 (depends on 1) The information presentation method according to claim 1, wherein the mode of display corresponds to brightness of a path displayed on a display. ### Claim 9 (depends on 1) The information presentation method according to claim 1, wherein the mode of display corresponds to a line thickness of a path displayed on a display. ### Claim 10 (depends on 1) The information presentation method according to claim 1, wherein the mode of display corresponds to a line type of a path displayed on a display. ### Claim 11 (depends on 1) The information presentation method according to claim 1, the information presentation method further comprising: generating proposal information when a full length of the relocation path included in the travelling path information acquired is greater than or equal to a predetermined value, the proposal information indicating a proposal to change the route of the self-propelled vacuum cleaner for next cleaning; and presenting the proposal information to the user. ### Claim 12 (depends on 11) The information presentation method according to claim 11, further comprising: when the user has approved the proposal information, transmitting a command to change the route of the self-propelled vacuum cleaner for next cleaning to the self-propelled vacuum cleaner in accordance with the proposal information. ### Claim 13 (depends on 1) The information presentation method according to claim 1, wherein the generating includes, when the specific condition is not satisfied, generating presentation information that instructs to display the cleaning path and the relocation path in a same mode of display. ### Claim 14 (depends on 1) The information presentation device according to claim 1, wherein the presentation information generator generates presentation information that instructs to display the cleaning path and the relocation path in a same mode of display when the specific condition is not satisfied. ### Claim 15 An information presentation device comprising: an acquirer that acquires travelling path information that includes a cleaning path and a relocation path, the cleaning path showing a position cleaned by a self-propelled vacuum cleaner in each of a plurality of regions included in a specific area, and the relocation path showing a route of the self-propelled vacuum cleaner that has travelled from one region to another region different from the one region out of the plurality of regions, the route being included in the specific area; a condition determiner that determines whether the travelling path information acquired by the acquirer satisfies a specific condition, the specific condition includes at least one of (i) the specific area has been cleaned in the past with cleaning frequency greater than or equal to a predetermined value and (ii) when the specific area is divided into a plurality of blocks of a predetermined size, a travelling path including the cleaning path and the relocation path and occupying at least one of the plurality of blocks has a density greater than or equal to a given value; a presentation information generator that generates presentation information that includes the cleaning path and the relocation path and that instructs to display at least one of the cleaning path or the relocation path in a different mode of display when the specific condition is satisfied; and a display device that presents the presentation information to a user as a travelling path of the self-propelled vacuum cleaner in the specific area. ### Claim 16 A non-transitory computer-readable recording medium for recording a program that causes a computer to execute: acquiring travelling path information that includes a cleaning path and a relocation path, the cleaning path showing a position cleaned by a self-propelled vacuum cleaner in each of a plurality of regions included in a specific area, and the relocation path showing a route of the self-propelled vacuum cleaner that has travelled from one region to another region different from the one region out of the plurality of regions, the route being included in the specific area; determining whether a specific condition is satisfied, and when the specific condition is satisfied, generating presentation information that includes the cleaning path and the relocation path and that instructs to display at least one of the cleaning path or the relocation path in a different mode of display; and presenting the presentation information to a user as a travelling path of the self-propelled vacuum cleaner in the specific area, wherein the specific condition includes at least one of (i) the specific area has been cleaned in the past with cleaning frequency greater than or equal to a predetermined value and (ii) when the specific area is divided into a plurality of blocks of a predetermined size, a travelling path including the cleaning path and the relocation path and occupying at least one of the plurality of blocks has a density greater than or equal to a given value. ### Claim 17 (depends on 16) The non-transitory computer-readable recording medium according to claim 16, wherein the generating includes, when the specific condition is not satisfied, generating presentation information that instructs to display the cleaning path and the relocation path in a same mode of display.