# US 11,443,615 B2 · Electronic apparatus and method of controlling the same > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,443,615 B2 - Document ID: US11443615B2 - Status: Granted - Kind: B2 - Application number: 17/084,887 - Filed: 2020-10-30 - Published: 2021-06-03 - Granted: 2022-09-13 - Earliest claimed: 2019-11-29 - Assignees: Samsung Electronics Co., Ltd. - Applicants: Samsung Electronics Co., Ltd. - Inventors: Kyuhyun Cho - Web page: https://patentgrep.com/patent/US11443615B2 ## CPC - G06F 3/165: {Management of the audio stream, e.g. setting of volume, audio stream path} - G08C 23/02: using infrasonic, sonic or ultrasonic waves - G01S 5/18: using ultrasonic, sonic or infrasonic waves - H04B 11/00: Transmission systems employing ultrasonic, sonic or infrasonic waves - H04L 12/2816: {Controlling appliance services of a home automation network by calling their functionalities (arrangements in telecontrol or telemetry systems for selectively calling a substation from a main station; in which substation desired apparatus is selected for applying a control signal thereto or for obtaining measured values therefrom H04Q9/00)} - H04S 7/303: {Tracking of listener position or orientation} - H04R 2227/005: Audio distribution systems for home, i.e. multi-room use - H04R 2420/07: Applications of wireless loudspeakers or wireless microphones - G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N) - G08C: TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS (fluid pressure transmitting systems F15B; mechanical means for transferring the output of a sensing member into a different variable G01D5/00; mechanical control systems G05G) - G01S: RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES - H04B: TRANSMISSION - H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M) - H04S: STEREOPHONIC SYSTEMS - H04R: LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS (producing sounds with frequency not determined by supply frequency G10K) ## Abstract Disclosed is an electronic apparatus configured to identify a location of an object. The electronic apparatus includes: a sound output unit comprising sound output circuitry; and a processor configured to: obtain first sound information from an external apparatus that receives a first sound output from the sound output unit, obtain second sound information from the external apparatus that receives a second sound output from an object, and identify locations of the electronic apparatus and the object with respect to the external apparatus based on a first signal characteristic and a second signal characteristic respectively detected using the obtained first sound information and second sound information. ## Claims ### Claim 1 An electronic apparatus comprising: a sound output unit including sound output circuitry; and a processor configured to: obtain first sound information from an external apparatus that receives a first sound output from the sound output unit, obtain second sound information from the external apparatus that receives a second sound output from an object, and identify locations of the electronic apparatus and the object with respect to the external apparatus based on a first signal characteristic and a second signal characteristic respectively detected using the obtained first sound information and second sound information. ### Claim 2 (depends on 1) The electronic apparatus according to claim 1, wherein the external apparatus comprises a plurality of external apparatuses. ### Claim 3 (depends on 2) The electronic apparatus according to claim 2, wherein one of the plurality of external apparatuses is configured to obtain the second sound information of the object from other external apparatuses. ### Claim 4 (depends on 1) The electronic apparatus according to claim 1, wherein the processor is configured to: detect a location pattern of the object or the external apparatus based on at least one of loudness, response time, a noise level or a noise frequency of the first sound or the second sound. ### Claim 5 (depends on 1) The electronic apparatus according to claim 1, wherein the first sound information and the second sound information comprise identification information of the external apparatus. ### Claim 6 (depends on 5) The electronic apparatus according to claim 5, wherein the identification information of the external apparatus comprises at least one of identification (ID) of the external apparatus, a name of the external apparatus, an inaudible frequency assigned to the external apparatus, or a noise frequency. ### Claim 7 (depends on 1) The electronic apparatus according to claim 1, wherein the second sound information comprises an inaudible band signal output from the external apparatus by converting the second sound output from the object. ### Claim 8 (depends on 1) The electronic apparatus according to claim 1, wherein the processor is configured to output the first sound based on an inaudible band of a sound output from the sound output. ### Claim 9 (depends on 8) The electronic apparatus according to claim 8, wherein the processor is configured to generate a band having a frequency having a largest difference from an audible frequency within a usable inaudible band. ### Claim 10 (depends on 8) The electronic apparatus according to claim 8, wherein the processor is configured to change the signal characteristic of the first sound based on the location of the object. ### Claim 11 (depends on 1) The electronic apparatus according to claim 1, wherein the processor is configured to control an operation of the external apparatus based on the location of the object. ### Claim 12 A method of controlling an electronic apparatus, comprising: obtaining first sound information from an external apparatus that receives a first sound output from an object; outputting a second sound; obtaining second sound information from the external apparatus that receives the output second sound; and identifying locations of the electronic apparatus and the object with respect to the external apparatus based on a first signal characteristic and a second signal characteristic respectively detected using the obtained first sound information and second sound information. ### Claim 13 (depends on 12) The method according to claim 12, wherein the external apparatus comprises a plurality of external apparatuses. ### Claim 14 (depends on 13) The method according to claim 13, wherein one of the plurality of external apparatuses obtains the first sound information of the object from other external apparatuses. ### Claim 15 (depends on 12) The method according to claim 12, wherein a location pattern of the object or the external apparatus is detected based on at least one of loudness, response time, a noise level or a noise frequency of the first sound or second sound. ### Claim 16 (depends on 12) The method according to claim 12, wherein the first sound information and the second sound information comprise identification information of the external apparatuses. ### Claim 17 (depends on 16) The method according to claim 16, wherein the identification information of the external apparatus comprises at least one of identification (ID) of the external apparatus, a name of the external apparatus, an inaudible frequency assigned to the external apparatus, or a noise frequency. ### Claim 18 (depends on 12) The method according to claim 12, wherein the first sound information comprises an inaudible band signal output from the external apparatus by converting the first sound output from the object. ### Claim 19 (depends on 12) The method according to claim 12, wherein the outputting the second sound comprises outputting the second sound based on an inaudible band of a sound output from a sound output. ### Claim 20 (depends on 19) The method according to claim 19, wherein the second sound is output in a band having a frequency having a largest difference from an audible frequency within a usable inaudible band.