# US 11,305,877 B2 · Electronic device and information processing apparatus > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,305,877 B2 - Document ID: US11305877B2 - Status: Granted - Kind: B2 - Application number: 16/137,007 - Filed: 2018-09-20 - Published: 2020-03-26 - Granted: 2022-04-19 - Earliest claimed: 2018-09-20 - Assignees: Panasonic Intellectual Property Management Co., Ltd. - Applicants: Panasonic Intellectual Property Management Co., Ltd. - Inventors: Sho Hoshino - Web page: https://patentgrep.com/patent/US11305877B2 ## CPC - B64D 11/064: {Adjustable inclination or position of seats} - B64D 11/00151: {Permanently mounted seat back monitors} - G01P 1/023: {for acceleration measuring devices} - B64D: EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT - G01P: MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT (measuring or recording blood flow A61B5/02, A61B8/06; monitoring speed or deceleration of electrically-propelled vehicles B60L3/00; vehicle lighting systems adapted to indicate speed B60Q1/54; determining position or course in navigation, measuring ground distance in geodesy or surveying G01C; combined measuring devices for measuring two or more variables of movement G01C23/00; measuring velocity of sound G01H; measuring velocity of light G01J7/00; measuring direction or velocity of solid objects by reception or emission of radiowaves or other waves and based on propagation effects, e.g. Doppler effect, propagation time, direction of propagation, G01S; measuring speed of nuclear radiation G01T; measuring acceleration of gravity G01V; {measuring or recording the speed of trains B61L23/00; speed indicators incorporated in motor vehicles B60K35/00; measuring frequency or phase G01R; traffic control G08G}) ## Abstract An electronic device in an aspect of the present disclosure is an electronic device which is mounted on a seat that is turnable around a first axis such that the electronic device is turnable around a second axis. The electronic device includes a detector that detects acceleration information, and a controller that determines which of a turn around the first axis and a turn around the second axis is occurring based on a temporal change in the acceleration information detected by the detector. ## Claims ### Claim 1 An information processing apparatus configured to be connected to a plurality of electronic devices, the plurality of electronic devices being configured to detect accelerations, the plurality of electronic devices being respectively mounted on a plurality of seats that are arranged in a vehicle, each of the plurality of seats being configured to be reclined around a first axis, the information processing apparatus comprising: an input unit configured to receive the accelerations detected by the plurality of electronic devices respectively mounted on the plurality of seats; a determination unit configured to determine an inclination of the vehicle based on the accelerations detected by the plurality of electronic devices; and a calculator configured to identify a seat, from among the plurality of seats, that is reclined around the first axis based on both of (i) the accelerations detected by the plurality of electronic devices and (ii) the determined inclination of the vehicle. ### Claim 2 (depends on 1) The information processing apparatus according to claim 1, wherein the determination unit is configured to determine the inclination of the vehicle based on an average value of the accelerations detected by the plurality of electronic devices. ### Claim 3 (depends on 2) The information processing apparatus according to claim 2, wherein the calculator is configured to identify the seat based on a difference between (i) each of the accelerations detected by the plurality of electronic devices and (ii) the average value of the accelerations detected by the plurality of electronic devices. ### Claim 4 (depends on 1) The information processing apparatus according to claim 1, further comprising an output unit configured to output information indicating that the identified seat is reclined to an electronic device mounted on a seat in front of the identified seat. ### Claim 5 (depends on 1) The information processing apparatus according to claim 1, further comprising an output unit configured to output information indicating that the identified seat is reclined to an electronic device prepared for a crew, the electronic device prepared for the crew being separate from the plurality of electronic devices. ### Claim 6 (depends on 1) The information processing apparatus according to claim 1, wherein: the plurality of electronic devices include a first electronic device that is mounted on a corresponding first seat from among the plurality of seats, the first electronic device being configured to be turned around a second axis relative to the corresponding first seat, and the first electronic device includes: an acceleration sensor configured to detect an acceleration; and a controller configured to determine whether the corresponding first seat is reclined around the first axis or the first electronic device is turned around the second axis based on a trajectory of the acceleration. ### Claim 7 (depends on 6) The information processing apparatus according to claim 6, wherein the controller is configured to: determine whether the trajectory of the acceleration is an upward-projected curve or a downward-projected curve, determine that the corresponding first seat is reclined around the first axis, when the controller determines that the trajectory of the acceleration is the upward-projected curve, and determine that the first electronic device is turned around the second axis, when the controller determines that the trajectory of the acceleration is the downward-projected curve.